@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Fraunces:opsz,wght@9..144,500;9..144,600&display=swap');
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/atkinson-hyperlegible-400.woff2') format('woff2'); }
@font-face { font-family: 'Atkinson Hyperlegible'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/atkinson-hyperlegible-700.woff2') format('woff2'); }

:root {
  --paper: #f7f5ee;
  --paper-deep: #eeece2;
  --ink: #152722;
  --muted: #3d524b;
  --line: #d5dbd2;
  --white: #fffef9;
  --on-ink: #fffef9;
  --mint: #9ecfbd;
  --mint-deep: #1a5c4c;
  --mint-soft: #e3f0e9;
  --coral: #ecaa87;
  --coral-soft: #f8e4d8;
  --sun: #f2d17c;
  --sun-soft: #fbf0ca;
  --lavender: #bcb6dc;
  --lavender-soft: #eceaf7;
  --accent-fill: #27705e;
  --on-accent: #fff;
  --sun-ink: #806b32;
  --coral-ink: #a15b3e;
  --lav-ink: #655e9b;
  --shadow: 0 12px 32px rgba(40, 58, 49, .07);
  --shadow-soft: 0 4px 18px rgba(40, 58, 49, .05);
  --radius: 18px;
  --font-scale: 1;
  font-size: calc(16px * var(--font-scale));
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: 'DM Sans', system-ui, sans-serif; font-size: 1rem; line-height: 1.45; -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
button { border: 0; cursor: pointer; color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(39,112,94,.32); outline-offset: 3px; }

body[data-theme='sand'] { --paper: #f6f0e5; --paper-deep: #eee3d3; --ink: #2a241f; --muted: #5c5248; --line: #e2d8c9; --white: #fffaf2; --on-ink: #fffaf2; --mint: #a8c7b3; --mint-deep: #2a614b; --mint-soft: #e4efe6; --coral: #e8ab89; --coral-soft: #f7e6da; --sun: #e8c86a; --sun-soft: #f8edcf; --lavender: #bcb6dc; --lavender-soft: #eceaf4; --accent-fill: #2a614b; --on-accent: #fff; --sun-ink: #5c4810; --coral-ink: #86462c; --lav-ink: #4a447a; }
body[data-theme='night'] { --paper: #141c19; --paper-deep: #1c2924; --ink: #f2f7f1; --muted: #c2d0c7; --line: #3a4d44; --white: #24352e; --on-ink: #10211b; --mint: #9fd7bd; --mint-deep: #b6e6ce; --mint-soft: #2a4539; --coral: #e8a888; --coral-soft: #4a352c; --sun: #e6c97a; --sun-soft: #453a24; --lavender: #c4bce8; --lavender-soft: #35324f; --accent-fill: #9fd7bd; --on-accent: #10221b; --sun-ink: #f0d89a; --coral-ink: #f0a888; --lav-ink: #d2cbf5; --shadow: 0 12px 32px rgba(0,0,0,.22); --shadow-soft: 0 4px 18px rgba(0,0,0,.16); }
body[data-theme='ocean'] { --paper: #252b36; --paper-deep: #313846; --ink: #f2f5fa; --muted: #b8c2d0; --line: #4a5466; --white: #353c4d; --on-ink: #1a222c; --mint: #8fd0e0; --mint-deep: #a8dff0; --mint-soft: #334856; --coral: #d08770; --coral-soft: #4a3840; --sun: #ebcb8b; --sun-soft: #45402f; --lavender: #c4a0be; --lavender-soft: #433a4c; --accent-fill: #8fd0e0; --on-accent: #1a222c; --sun-ink: #f5dca0; --coral-ink: #e8a890; --lav-ink: #e0c0da; --shadow: 0 12px 32px rgba(0,0,0,.28); --shadow-soft: 0 4px 18px rgba(0,0,0,.2); }
body[data-theme='rosepine'] { --paper: #faf4ed; --paper-deep: #f0e8dc; --ink: #37344f; --muted: #5f5a72; --line: #e0d7cb; --white: #fffdf9; --on-ink: #fffdf9; --mint: #56949f; --mint-deep: #1a5470; --mint-soft: #e2eef0; --coral: #d7827e; --coral-soft: #f6e7e4; --sun: #ea9d34; --sun-soft: #f9edd9; --lavender: #907aa9; --lavender-soft: #efe9f2; --accent-fill: #1a5470; --on-accent: #faf4ed; --sun-ink: #7a5410; --coral-ink: #944058; --lav-ink: #5f4a7a; --shadow: 0 12px 32px rgba(87,82,121,.08); --shadow-soft: 0 4px 18px rgba(87,82,121,.05); }
body[data-theme='dusk'] { --paper: #161722; --paper-deep: #1e2030; --ink: #e4e9ff; --muted: #b4bad8; --line: #383c56; --white: #272a40; --on-ink: #14161f; --mint: #9ece6a; --mint-deep: #b8e08a; --mint-soft: #2a3828; --coral: #f7768e; --coral-soft: #422832; --sun: #e0af68; --sun-soft: #3d3224; --lavender: #bb9af7; --lavender-soft: #322845; --accent-fill: #9ece6a; --on-accent: #14161f; --sun-ink: #f0c888; --coral-ink: #ff9aab; --lav-ink: #d0b8ff; --shadow: 0 12px 32px rgba(0,0,0,.32); --shadow-soft: 0 4px 18px rgba(0,0,0,.24); }
body[data-theme='forest'] { --paper: #eef3e6; --paper-deep: #e2e9d6; --ink: #283328; --muted: #4f5e54; --line: #cfd8c2; --white: #fbfcf6; --on-ink: #fbfcf6; --mint: #7ba88c; --mint-deep: #355f46; --mint-soft: #e0ebe0; --coral: #e69875; --coral-soft: #f6e8dc; --sun: #dbbc7f; --sun-soft: #f4ecd8; --lavender: #9bb0c9; --lavender-soft: #e6edf2; --accent-fill: #355f46; --on-accent: #f2f5e9; --sun-ink: #6a5418; --coral-ink: #984c32; --lav-ink: #3f5c78; --shadow: 0 12px 32px rgba(79,88,78,.08); --shadow-soft: 0 4px 18px rgba(79,88,78,.05); }
body[data-font='compact'] { --font-scale: .92; }
body[data-font='large'] { --font-scale: 1.11; }
body.reduced-motion *, body.reduced-motion *::before, body.reduced-motion *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }

.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 248px; flex: 0 0 248px; min-height: 100vh; display: flex; flex-direction: column; padding: 27px 18px 22px; background: var(--paper-deep); border-right: 1px solid var(--line); }
.brand-lockup { display: flex; align-items: center; gap: 11px; padding: 0 10px 38px; }
.brand-mark { display: grid; grid-template-columns: repeat(2, 7px); gap: 3px; width: 24px; height: 24px; align-content: center; justify-content: center; transform: rotate(-8deg); }
.brand-mark span { width: 7px; height: 7px; border-radius: 2px; background: var(--mint-deep); }
.brand-mark span:nth-child(2) { background: var(--coral); }.brand-mark span:nth-child(3) { background: var(--sun); }.brand-mark span:nth-child(4) { background: var(--lavender); }
.brand-name { font-weight: 700; font-size: 1.04rem; letter-spacing: -.04em; }.brand-name span { font-weight: 400; }
.brand-note { color: var(--muted); font-size: .68rem; margin-top: 1px; letter-spacing: .02em; }
.main-nav { display: grid; gap: 4px; }
.nav-item, .settings-trigger { display: flex; align-items: center; gap: 12px; width: 100%; padding: 11px 12px; border-radius: 10px; background: transparent; color: var(--muted); text-align: left; font-weight: 500; transition: background .2s, color .2s, transform .2s; }
.nav-item:hover, .settings-trigger:hover { color: var(--ink); background: rgba(255,255,255,.46); }.nav-item.active { color: var(--mint-deep); background: rgba(255,255,255,.72); box-shadow: var(--shadow-soft); }
.nav-icon { width: 20px; text-align: center; font-size: 1.04rem; line-height: 1; }.nav-badge { display: inline-flex; min-width: 19px; height: 19px; align-items: center; justify-content: center; margin-left: 4px; padding: 0 5px; border-radius: 99px; background: var(--coral-soft); color: var(--coral-ink); font-size: .68rem; }
.sidebar-bottom { margin-top: auto; }.focus-card { padding: 16px; border: 1px solid rgba(39,112,94,.12); border-radius: 15px; background: var(--mint-soft); }.focus-topline { display: flex; justify-content: space-between; }.eyebrow { color: var(--muted); font-size: .64rem; font-weight: 700; letter-spacing: .13em; line-height: 1.25; }.focus-spark { color: var(--mint-deep); }.focus-title { margin-top: 13px; font-size: .92rem; font-weight: 700; }.focus-copy { margin: 4px 0 13px; color: var(--muted); font-size: .72rem; line-height: 1.4; }.text-button, .quiet-link { padding: 0; background: transparent; color: var(--mint-deep); font-size: .76rem; font-weight: 700; }.text-button span, .quiet-link span { margin-left: 5px; font-size: 1rem; }.settings-trigger { margin-top: 18px; }.sidebar-footnote { padding: 17px 12px 0; color: var(--muted); font-size: .63rem; line-height: 1.5; }

.main-content { min-width: 0; flex: 1; }.topbar { height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 4.6vw; border-bottom: 1px solid var(--line); }.breadcrumb { color: var(--muted); font-size: .75rem; }.breadcrumb-slash { padding: 0 9px; color: #b0b9b1; }.breadcrumb strong { color: var(--ink); font-weight: 600; }.topbar-actions { display: flex; align-items: center; gap: 14px; }.streak-pill { display: flex; gap: 7px; align-items: center; padding: 7px 12px; border-radius: 99px; background: var(--sun-soft); color: var(--sun-ink); font-size: .72rem; font-weight: 600; }.streak-dot { color: #c29725; }.icon-button, .mobile-menu, .close-button { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; border-radius: 9px; background: transparent; color: var(--muted); }.icon-button:hover, .mobile-menu:hover, .close-button:hover { background: var(--paper-deep); color: var(--ink); }.avatar { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: var(--coral-soft); color: var(--coral-ink); font-weight: 700; font-size: .72rem; }.mobile-menu { display: none; }
.page-wrap { width: min(1190px, 100%); margin: 0 auto; padding: 36px 4.6vw 72px; }.page-section { display: none; animation: pageIn .35s ease both; }.page-section.active { display: block; }@keyframes pageIn { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
h1, h2, h3, p { margin-top: 0; }h1, h2, h3 { letter-spacing: -.045em; line-height: 1.08; }h1 { max-width: 700px; margin-bottom: 16px; font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 600; }h1 em { color: var(--mint-deep); font-family: Fraunces, Georgia, serif; font-style: normal; font-weight: 500; }h2 { margin-bottom: 6px; font-size: 1.5rem; }h3 { margin-bottom: 0; font-size: 1rem; }p { color: var(--muted); }.lead { max-width: 520px; margin-bottom: 0; color: var(--muted); font-size: 1rem; line-height: 1.65; }.accent-eyebrow { color: var(--mint-deep); }
.welcome-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(360px, .96fr); align-items: center; gap: 5vw; min-height: 355px; }.welcome-copy .eyebrow { margin-bottom: 21px; }.home-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }.primary-button, .secondary-button { min-height: 46px; padding: 0 18px; border-radius: 9px; font-size: .8rem; font-weight: 700; transition: transform .2s, box-shadow .2s; }.primary-button { background: linear-gradient(140deg, var(--accent-fill), color-mix(in srgb, var(--accent-fill) 82%, #122b23)); color: var(--on-accent); box-shadow: 0 6px 13px rgba(39,112,94,.18); }.primary-button:hover, .secondary-button:hover { transform: translateY(-2px); }.primary-button span { margin-left: 10px; font-size: 1rem; }.secondary-button { background: transparent; color: var(--ink); border: 1px solid var(--line); }.reassurance { display: flex; align-items: center; gap: 8px; margin-top: 22px; color: var(--muted); font-size: .7rem; }.reassurance-icon { display: inline-flex; align-items: center; justify-content: center; width: 17px; height: 17px; border-radius: 50%; background: var(--mint-soft); color: var(--mint-deep); font-size: .65rem; font-weight: 700; }
.welcome-art { position: relative; min-height: 315px; display: flex; align-items: center; justify-content: center; }.art-board { width: min(365px, 80%); position: relative; z-index: 1; padding: 22px 24px 24px; border: 1px solid rgba(39,112,94,.1); border-radius: 23px; background: rgba(255,254,249,.82); box-shadow: 0 24px 60px rgba(55,83,67,.12); transform: rotate(3deg); }.board-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 17px; border-bottom: 1px solid var(--line); }.board-title { color: var(--muted); font-size: .7rem; font-weight: 600; }.board-count { color: var(--mint-deep); font-family: Fraunces, Georgia, serif; font-size: 1.35rem; }.dot-groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; padding: 27px 6px 22px; }.dot-group { display: grid; grid-template-columns: repeat(2, 16px); gap: 8px; justify-content: center; padding: 14px 8px; border-radius: 12px; background: var(--mint-soft); }.dot-group i { width: 16px; height: 16px; border-radius: 50%; background: var(--mint); }.board-answer { padding: 13px 15px; border-radius: 11px; background: var(--paper); color: var(--muted); font-size: .8rem; text-align: center; }.board-answer strong { color: var(--ink); font-size: 1.15rem; }.art-orbit { position: absolute; border: 1px dashed rgba(39,112,94,.2); border-radius: 50%; }.orbit-one { width: 330px; height: 250px; transform: rotate(-17deg); }.orbit-two { width: 260px; height: 290px; transform: rotate(34deg); border-color: rgba(236,170,135,.32); }.art-label { position: absolute; z-index: 2; padding: 6px 9px; border-radius: 6px; color: var(--ink); font-size: .66rem; font-weight: 700; box-shadow: var(--shadow-soft); }.label-top { top: 36px; left: 6%; background: var(--sun-soft); transform: rotate(-8deg); }.label-bottom { bottom: 43px; right: 5%; background: var(--coral-soft); transform: rotate(6deg); }
.section-heading { display: flex; justify-content: space-between; align-items: end; }.home-heading { margin: 75px 0 22px; }.heading-note { color: var(--muted); font-size: .74rem; }.home-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }.home-card { min-height: 191px; display: flex; flex-direction: column; align-items: flex-start; padding: 20px; border-radius: var(--radius); text-align: left; transition: transform .22s, box-shadow .22s; }.home-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }.home-card > span:not(.card-number):not(.card-icon):not(.card-link) { max-width: 230px; color: var(--muted); font-size: .75rem; line-height: 1.5; }.card-learn { background: var(--mint-soft); }.card-practice { background: var(--sun-soft); }.card-review { background: var(--lavender-soft); }.card-number { align-self: flex-end; color: var(--muted); font-size: .63rem; }.card-icon { margin: 12px 0 13px; font-size: 1.15rem; color: var(--mint-deep); }.card-practice .card-icon { color: var(--sun-ink); }.card-review .card-icon { color: var(--lav-ink); }.home-card strong { margin-bottom: 7px; font-size: .93rem; }.card-link { margin-top: auto; padding-top: 16px; color: var(--ink); font-size: .7rem; font-weight: 700; }.card-link b { margin-left: 7px; font-size: .95rem; }.home-lower-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 13px; margin-top: 13px; }.panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-soft); }.mini-progress-panel { padding: 23px; }.panel-heading { display: flex; align-items: start; justify-content: space-between; gap: 15px; }.mini-progress-body { display: flex; align-items: center; gap: 26px; padding-top: 23px; }.progress-ring { flex: 0 0 112px; width: 112px; height: 112px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; background: conic-gradient(var(--mint-deep) 0deg, var(--mint-soft) 0deg); position: relative; }.progress-ring::after { content: ''; position: absolute; inset: 9px; border-radius: 50%; background: var(--white); }.progress-ring span, .progress-ring small { position: relative; z-index: 1; }.progress-ring span { font-family: Fraunces, Georgia, serif; font-size: 1.6rem; }.progress-ring small { color: var(--muted); font-size: .59rem; }.progress-summary { display: grid; gap: 5px; }.progress-summary strong { font-size: .9rem; }.progress-summary span { color: var(--muted); font-size: .73rem; }.mini-meter { height: 5px; margin-top: 12px; overflow: hidden; border-radius: 5px; background: var(--paper-deep); }.mini-meter span { display: block; height: 100%; width: 0%; border-radius: inherit; background: var(--mint-deep); transition: width .5s; }.progress-summary small { color: var(--muted); font-size: .63rem; }.calm-note { display: flex; flex-direction: column; justify-content: center; padding: 24px; background: var(--coral-soft); }.note-mark { color: var(--coral-ink); font-family: Georgia, serif; font-size: 3rem; line-height: .7; }.calm-note p { margin: 9px 0 12px; color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.08rem; line-height: 1.35; }.note-author { color: var(--coral-ink); font-size: .66rem; }

.page-intro { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 42px; }.compact-intro h1 { max-width: 680px; margin: 12px 0 13px; font-size: clamp(2.25rem, 4vw, 3.6rem); }.intro-stamp { display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 0 0 112px; height: 112px; border-radius: 50%; background: var(--sun-soft); transform: rotate(5deg); }.intro-stamp span { color: var(--sun-ink); font-family: Fraunces, Georgia, serif; font-size: 2.4rem; line-height: 1; }.intro-stamp small { margin-top: 5px; color: var(--sun-ink); font-size: .63rem; }.intro-icon { display: flex; align-items: center; justify-content: center; width: 70px; height: 70px; border-radius: 19px; background: var(--mint-soft); color: var(--mint-deep); font-size: 2rem; transform: rotate(5deg); }.game-stamp { background: var(--lavender-soft); transform: rotate(-4deg); }.game-stamp span { font-size: 1.45rem; color: var(--lav-ink); }.game-stamp small { color: var(--lav-ink); }.progress-date { padding-bottom: 7px; color: var(--muted); font-size: .7rem; }

.learn-layout { display: grid; grid-template-columns: 280px 1fr; gap: 17px; align-items: start; }.lesson-list { display: grid; gap: 6px; }.lesson-tab { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 12px; border: 1px solid transparent; border-radius: 11px; background: transparent; text-align: left; }.lesson-tab:hover { background: var(--paper-deep); }.lesson-tab.active { border-color: var(--line); background: var(--white); box-shadow: var(--shadow-soft); }.lesson-num { color: var(--muted); font-size: .66rem; }.lesson-tab strong { display: block; font-size: .78rem; }.lesson-tab small { display: block; margin-top: 2px; color: var(--muted); font-size: .64rem; }.lesson-arrow { color: var(--muted); }.lesson-detail { min-height: 470px; padding: 34px; overflow: hidden; }.lesson-detail.lesson-mint { background: linear-gradient(145deg, var(--white) 58%, var(--mint-soft)); }.lesson-detail.lesson-sun { background: linear-gradient(145deg, var(--white) 58%, var(--sun-soft)); }.lesson-detail.lesson-coral { background: linear-gradient(145deg, var(--white) 58%, var(--coral-soft)); }.lesson-detail.lesson-lavender { background: linear-gradient(145deg, var(--white) 58%, var(--lavender-soft)); }.lesson-kicker { color: var(--mint-deep); font-size: .67rem; font-weight: 700; letter-spacing: .1em; }.lesson-detail h2 { margin: 10px 0 11px; font-size: 2rem; }.lesson-detail .lesson-lead { max-width: 620px; font-size: .92rem; line-height: 1.65; }.lesson-visual { display: flex; align-items: center; gap: 20px; margin: 30px 0 28px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: color-mix(in srgb, var(--white) 85%, var(--paper)); }.visual-equation { min-width: 125px; color: var(--mint-deep); font-family: Fraunces, Georgia, serif; font-size: 2rem; text-align: center; }.visual-equation small { display: block; margin-top: 2px; color: var(--muted); font-family: 'DM Sans', sans-serif; font-size: .62rem; }.visual-groups { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }.visual-group { display: grid; grid-template-columns: repeat(5, 10px); gap: 4px; padding: 10px; border-radius: 9px; background: var(--mint-soft); }.visual-group i { width: 10px; height: 10px; border-radius: 50%; background: var(--mint-deep); opacity: .85; }.visual-arrow { color: var(--muted); font-size: 1.25rem; }.lesson-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }.lesson-step { min-height: 102px; padding: 14px; border-radius: 11px; background: color-mix(in srgb, var(--white) 88%, var(--paper)); }.lesson-step span { display: block; margin-bottom: 8px; color: var(--mint-deep); font-size: .63rem; font-weight: 700; }.lesson-step strong { display: block; font-size: .76rem; }.lesson-step p { margin: 5px 0 0; font-size: .7rem; line-height: 1.4; }.lesson-callout { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 22px; padding: 13px 15px; border-radius: 10px; background: color-mix(in srgb, var(--white) 90%, var(--paper)); border: 1px solid var(--line); color: var(--ink); font-size: .76rem; }.lesson-callout b { color: var(--mint-deep); }

.practice-intro { align-items: center; gap: 24px; margin-bottom: 16px; }.practice-intro h1 { margin: 6px 0 4px; font-size: clamp(1.5rem, 2.8vw, 2.05rem); letter-spacing: -.03em; }.practice-intro .lead { max-width: 520px; margin: 0; font-size: .84rem; line-height: 1.5; }.practice-intro .eyebrow { margin-bottom: 5px; }.practice-mode-note { display: flex; align-items: center; gap: 8px; padding-bottom: 0; color: var(--muted); font-size: .68rem; }.mode-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px var(--mint-soft); }.practice-layout { display: grid; grid-template-columns: minmax(0, 1fr) 285px; gap: 17px; align-items: start; }
.practice-col { display: grid; gap: 17px; min-width: 0; align-content: start; }
.practice-main { min-height: 440px; padding: clamp(25px, 4vw, 48px); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: linear-gradient(148deg, var(--white), var(--mint-soft)); }.question-kicker { color: var(--mint-deep); font-size: .66rem; font-weight: 700; letter-spacing: .12em; }.question-number { margin: 22px 0 19px; font-family: Fraunces, Georgia, serif; font-size: clamp(3.7rem, 9vw, 6.2rem); line-height: .95; letter-spacing: -.05em; }.question-number span { color: var(--muted); font-family: 'DM Sans', sans-serif; font-size: .72em; }.answer-form { display: flex; gap: 9px; justify-content: center; width: min(100%, 360px); }.answer-input { width: 110px; height: 54px; border: 1px solid var(--line); border-radius: 9px; background: var(--white); color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.5rem; text-align: center; }.answer-input::placeholder { color: #adb7af; }.answer-submit { min-height: 54px; padding: 0 19px; border-radius: 9px; background: var(--ink); color: var(--white); font-size: .76rem; font-weight: 700; }.answer-hint { display: flex; align-items: center; gap: 7px; margin-top: 19px; color: var(--muted); font-size: .7rem; }.hint-button { padding: 0; background: transparent; color: var(--mint-deep); text-decoration: underline; text-underline-offset: 3px; }.hint-box { max-width: 430px; margin-top: 15px; padding: 13px 16px; border-radius: 10px; background: var(--paper); border: 1px solid var(--line); color: var(--ink); opacity: .9; font-size: .73rem; text-align: left; }.feedback { width: min(100%, 485px); margin-top: 22px; padding: 17px 19px; border-radius: 12px; text-align: left; }.feedback.correct { border: 1px solid rgba(39,112,94,.18); background: var(--mint-soft); }.feedback.incorrect { border: 1px solid rgba(193,104,65,.18); background: var(--coral-soft); }.feedback-title { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: .85rem; font-weight: 700; }.feedback-title span { display: inline-flex; align-items: center; justify-content: center; width: 19px; height: 19px; border-radius: 50%; background: var(--white); color: var(--mint-deep); font-size: .7rem; }.feedback.incorrect .feedback-title span { color: var(--coral-ink); }.feedback p { margin: 0; color: var(--ink); font-size: .74rem; line-height: 1.5; }.feedback .next-button { margin-top: 13px; }.next-button { padding: 9px 13px; border-radius: 7px; background: var(--ink); color: var(--white); font-size: .7rem; font-weight: 700; }.try-again-button { margin-top: 13px; padding: 9px 13px; border-radius: 7px; background: transparent; border: 1px solid rgba(179,96,59,.25); color: var(--coral-ink); font-size: .7rem; font-weight: 700; }.setup-panel, .practice-stats { padding: 20px; }.setup-group { margin-top: 24px; }.setup-group label { display: block; margin-bottom: 10px; color: var(--muted); font-size: .67rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }.table-picker { display: flex; flex-wrap: wrap; gap: 7px; }.table-chip { width: 34px; height: 31px; border: 1px solid var(--line); border-radius: 7px; background: transparent; color: var(--muted); font-size: .72rem; font-weight: 600; }.table-chip.active { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }.setup-group select { width: 100%; height: 41px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); color: var(--ink); font-size: .72rem; }.setup-hint { display: flex; gap: 9px; margin-top: 23px; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: .68rem; }.setup-hint span:first-child { display: inline-flex; flex: 0 0 16px; align-items: center; justify-content: center; width: 16px; height: 16px; border-radius: 50%; background: var(--paper-deep); font-size: .62rem; }.practice-stats { margin-top: 13px; }.side-stat-row { display: flex; justify-content: space-between; align-items: center; margin-top: 13px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }.side-stat-row strong { color: var(--ink); font-size: .82rem; }

.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }.quick-card { min-height: 236px; display: flex; flex-direction: column; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); text-align: left; transition: transform .2s, box-shadow .2s; }.quick-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }.quick-card:nth-child(1) { background: var(--mint-soft); border-color: transparent; }.quick-card:nth-child(2) { background: var(--sun-soft); border-color: transparent; }.quick-card:nth-child(3) { background: var(--lavender-soft); border-color: transparent; }.quick-duration { font-family: Fraunces, Georgia, serif; font-size: 2.9rem; line-height: 1; }.quick-card:nth-child(1) .quick-duration { color: var(--mint-deep); }.quick-card:nth-child(2) .quick-duration { color: var(--sun-ink); }.quick-card:nth-child(3) .quick-duration { color: var(--lav-ink); }.quick-card small { margin-top: 4px; color: var(--muted); font-size: .68rem; }.quick-card strong { margin-top: 31px; font-size: .92rem; }.quick-card p { margin: 7px 0 17px; font-size: .72rem; line-height: 1.5; }.quick-start { margin-top: auto; align-self: flex-start; padding: 8px 11px; border-radius: 7px; background: var(--white); border: 1px solid var(--line); color: var(--ink); font-size: .7rem; font-weight: 700; }.quick-running { margin-top: 17px; padding: 24px; }.hidden { display: none !important; }.running-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }.running-timer { font-family: Fraunces, Georgia, serif; font-size: 2rem; }.running-head small { color: var(--muted); font-size: .7rem; }.stop-session { padding: 9px 12px; border: 1px solid var(--line); border-radius: 7px; background: transparent; font-size: .7rem; }.session-progress { height: 6px; margin-top: 22px; overflow: hidden; border-radius: 8px; background: var(--paper-deep); }.session-progress span { display: block; width: 0%; height: 100%; background: var(--mint-deep); transition: width .5s; }.session-question { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0 5px; }.session-question strong { font-family: Fraunces, Georgia, serif; font-size: 2.3rem; }.session-question input { width: 85px; height: 45px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); text-align: center; }.session-question button { height: 45px; padding: 0 14px; border-radius: 8px; background: var(--ink); color: var(--white); font-size: .7rem; font-weight: 700; }.session-result { margin: 10px 0 0; font-size: .73rem; }.session-principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 43px; }.session-principles > div { padding: 19px 20px; border-top: 1px solid var(--line); }.session-principles span { display: block; margin-bottom: 17px; color: var(--muted); font-size: .65rem; }.session-principles strong { display: block; font-size: .8rem; }.session-principles p { margin: 5px 0 0; font-size: .71rem; }

.games-layout { display: grid; grid-template-columns: minmax(0, 1fr) 285px; gap: 17px; align-items: start; }.game-main { min-height: 470px; padding: 35px; }.game-intro { display: flex; align-items: start; justify-content: space-between; gap: 20px; }.game-intro h2 { margin: 10px 0 6px; font-size: 1.8rem; }.game-intro p { max-width: 430px; margin: 0; font-size: .77rem; }.game-score { padding: 8px 11px; border-radius: 8px; background: var(--sun-soft); color: var(--sun-ink); font-size: .7rem; font-weight: 700; white-space: nowrap; }.match-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 590px; margin: 32px auto 0; }.match-card { min-height: 102px; padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.5rem; transition: transform .2s, background .2s; }.match-card:hover { transform: translateY(-2px); }.match-card.selected { border-color: var(--mint-deep); background: var(--mint-soft); }.match-card.matched { border-color: transparent; background: var(--accent-fill); color: var(--on-accent); }.match-card.wrong { border-color: #bc704e; background: var(--coral-soft); animation: shake .28s ease; }.match-card small { display: block; margin-top: 5px; font-family: 'DM Sans', sans-serif; color: var(--muted); font-size: .55rem; }.matched small { color: var(--on-accent); opacity: .85; }.game-foot { max-width: 590px; display: flex; align-items: center; justify-content: space-between; gap: 15px; margin: 22px auto 0; color: var(--muted); font-size: .68rem; }.game-restart { padding: 8px 11px; border: 1px solid var(--line); border-radius: 7px; background: transparent; font-size: .68rem; font-weight: 700; }.game-choice { display: grid; grid-template-columns: 24px 1fr auto; gap: 10px; align-items: center; width: 100%; margin-top: 9px; padding: 12px 9px; border-radius: 10px; background: transparent; text-align: left; }.game-choice:hover, .game-choice.active { background: var(--paper-deep); }.game-choice > span { color: var(--mint-deep); font-size: 1.15rem; text-align: center; }.game-choice strong, .game-choice small { display: block; }.game-choice strong { font-size: .75rem; }.game-choice small { margin-top: 3px; color: var(--muted); font-size: .62rem; }.game-choice b { color: var(--muted); }.game-tip { margin-top: 13px; padding: 18px; background: var(--coral-soft); border-color: transparent; }.tip-icon { color: var(--coral-ink); }.game-tip strong { display: block; margin-top: 12px; font-size: .8rem; }.game-tip p { margin: 6px 0 0; color: var(--coral-ink); font-size: .7rem; }.path-visual { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; max-width: 620px; margin: 40px auto 22px; }.path-node { display: flex; width: 65px; height: 65px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; background: var(--paper); font-family: Fraunces, Georgia, serif; font-size: 1.4rem; }.path-node.current { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }.path-node.done { background: var(--accent-fill); color: var(--on-accent); }.path-arrow { color: var(--muted); }.path-options { display: flex; justify-content: center; gap: 9px; }.path-options button { min-width: 90px; padding: 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); font-family: Fraunces, Georgia, serif; font-size: 1.2rem; }.path-options button:hover { border-color: var(--mint-deep); background: var(--mint-soft); }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; margin-bottom: 17px; }.stat-card { padding: 20px; border-radius: 15px; background: var(--white); border: 1px solid var(--line); }.stat-card:nth-child(1) { background: var(--mint-soft); border-color: transparent; }.stat-card:nth-child(2) { background: var(--sun-soft); border-color: transparent; }.stat-card:nth-child(3) { background: var(--coral-soft); border-color: transparent; }.stat-card:nth-child(4) { background: var(--lavender-soft); border-color: transparent; }.stat-label { color: var(--muted); font-size: .66rem; }.stat-value { margin-top: 17px; font-family: Fraunces, Georgia, serif; font-size: 2.25rem; line-height: 1; }.stat-note { margin-top: 6px; color: var(--muted); font-size: .65rem; }.stats-grid .beyond-card { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 22px; background: linear-gradient(135deg, var(--lavender-soft), var(--white)); border-color: transparent; }.stats-grid .beyond-card .stat-value { margin-top: 8px; font-size: 1.7rem; }.stats-grid .beyond-card .stat-note { margin-top: 3px; }.progress-dashboard { display: grid; grid-template-columns: 1.25fr .75fr; gap: 17px; }.mastery-panel, .improvement-panel { padding: 24px; }.panel-chip, .trend-up { padding: 6px 8px; border-radius: 6px; background: var(--paper-deep); color: var(--muted); font-size: .62rem; }.trend-up { background: var(--mint-soft); color: var(--mint-deep); }.mastery-chart { display: grid; grid-template-columns: repeat(10, 1fr); gap: 7px; align-items: end; height: 210px; padding: 29px 6px 0; }.mastery-column { display: flex; height: 100%; flex-direction: column; justify-content: end; align-items: center; gap: 8px; }.mastery-bar { width: min(34px, 70%); min-height: 7px; height: 8%; border-radius: 7px 7px 3px 3px; background: var(--paper-deep); transition: height .5s; }.mastery-bar.growing { background: var(--sun); }.mastery-bar.mastered { background: var(--mint-deep); }.mastery-column label { color: var(--muted); font-size: .62rem; }.chart-legend { display: flex; gap: 17px; margin-top: 20px; color: var(--muted); font-size: .64rem; }.chart-legend span { display: flex; align-items: center; gap: 6px; }.chart-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; }.legend-mastered { background: var(--mint-deep); }.legend-growing { background: var(--sun); }.legend-start { background: var(--paper-deep); }.rhythm-chart { display: flex; align-items: end; gap: 9px; height: 210px; padding: 29px 5px 0; border-bottom: 1px solid var(--line); }.rhythm-bar { flex: 1; min-width: 7px; height: 6%; border-radius: 5px 5px 0 0; background: var(--lavender); opacity: .78; }.rhythm-bar.today { background: var(--mint-deep); opacity: 1; }.rhythm-caption { display: flex; justify-content: space-between; padding-top: 10px; color: var(--muted); font-size: .63rem; }.facts-review-panel { margin-top: 17px; padding: 24px; }.fact-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; }.fact-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px; border-radius: 10px; background: var(--paper); }.fact-equation { font-family: Fraunces, Georgia, serif; font-size: 1.05rem; }.fact-status { color: var(--muted); font-size: .62rem; text-align: right; }.fact-status.growing { color: var(--sun-ink); }.fact-status.ready { color: var(--mint-deep); }

.review-count { display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 0 0 94px; height: 94px; border-radius: 50%; background: var(--coral-soft); transform: rotate(4deg); }.review-count strong { color: var(--coral-ink); font-family: Fraunces, Georgia, serif; font-size: 2.1rem; line-height: 1; }.review-count span { margin-top: 4px; color: var(--coral-ink); font-size: .61rem; }.review-layout { display: grid; grid-template-columns: minmax(0, 1fr) 285px; gap: 17px; align-items: start; }.review-main { min-height: 460px; padding: 35px; }.review-queue-head { display: flex; align-items: start; justify-content: space-between; }.review-queue-head h2 { margin: 10px 0 5px; font-size: 1.8rem; }.review-queue-head p { margin: 0; font-size: .75rem; }.review-main .practice-main { padding: 0; min-height: 340px; border: 0; box-shadow: none; background: transparent; }.review-empty { min-height: 355px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }.empty-icon { display: flex; align-items: center; justify-content: center; width: 65px; height: 65px; margin-bottom: 20px; border-radius: 50%; background: var(--mint-soft); color: var(--mint-deep); font-size: 1.7rem; }.review-empty h2 { margin-bottom: 8px; font-size: 1.4rem; }.review-empty p { max-width: 350px; margin-bottom: 20px; font-size: .75rem; }.review-method { padding: 20px; }.method-step { display: flex; gap: 11px; margin-top: 20px; }.method-step > span { display: flex; flex: 0 0 23px; width: 23px; height: 23px; align-items: center; justify-content: center; border-radius: 50%; background: var(--mint-soft); color: var(--mint-deep); font-size: .68rem; font-weight: 700; }.method-step strong { display: block; font-size: .75rem; }.method-step p { margin: 3px 0 0; font-size: .68rem; }.review-quote { padding: 22px; margin-top: 13px; border-radius: var(--radius); background: var(--sun-soft); color: var(--sun-ink); font-family: Fraunces, Georgia, serif; font-size: 2rem; line-height: .65; }.review-quote span { display: block; color: var(--sun-ink); font-size: .92rem; line-height: 1.4; }

.settings-dialog { width: min(525px, calc(100% - 28px)); padding: 0; border: 1px solid var(--line); border-radius: 18px; background: var(--white); color: var(--ink); box-shadow: 0 30px 100px rgba(30,50,42,.2); }.settings-dialog::backdrop { background: rgba(28,43,37,.3); backdrop-filter: blur(2px); }.dialog-head { display: flex; justify-content: space-between; align-items: start; padding: 23px 24px 18px; border-bottom: 1px solid var(--line); }.dialog-head h2 { margin: 8px 0 0; font-size: 1.5rem; }.close-button { font-size: 1.45rem; }.settings-body { max-height: min(600px, 62vh); overflow-y: auto; padding: 6px 24px 4px; }.settings-profile { display: flex; align-items: center; gap: 14px; margin: 12px 0 6px; padding: 15px 16px; border-radius: 14px; background: var(--mint-soft); }.settings-profile-copy { flex: 1; min-width: 0; }.settings-profile-copy strong { display: block; font-size: .9rem; }.settings-profile-copy span { display: block; margin-top: 3px; color: var(--muted); font-size: .66rem; line-height: 1.4; }.small-button { min-height: 37px; padding: 0 14px; font-size: .7rem; }.settings-section-title { margin: 18px 0 2px; color: var(--muted); font-size: .62rem; font-weight: 700; letter-spacing: .13em; }.settings-section .setting-row:last-child { border-bottom: 0; }.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 17px 0; border-bottom: 1px solid var(--line); }.setting-row.stacked { align-items: start; flex-direction: column; gap: 12px; }.setting-row strong { display: block; font-size: .78rem; }.setting-row span { display: block; margin-top: 4px; color: var(--muted); font-size: .66rem; }.switch { width: 39px; height: 23px; padding: 3px; border-radius: 99px; background: var(--paper-deep); transition: background .2s; }.switch span { display: block; width: 17px; height: 17px; margin: 0; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.18); transition: transform .2s; }.switch.on { background: var(--accent-fill); }.switch.on span { transform: translateX(16px); }.theme-options, .font-options { display: flex; flex-wrap: wrap; gap: 8px; }.theme-options button, .font-options button { display: inline-flex; align-items: center; gap: 8px; padding: 7px 11px; border: 1px solid var(--line); border-radius: 7px; background: transparent; color: var(--muted); font-size: .68rem; }.theme-options button.active, .font-options button.active { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }.theme-dot { width: 13px; height: 13px; border-radius: 50%; border: 1px solid rgba(0,0,0,.1); }.theme-dot-mist { background: linear-gradient(135deg, #f7f5ee 50%, #9ecfbd 50%); }.theme-dot-sand { background: linear-gradient(135deg, #f6f0e5 50%, #a8c7b3 50%); }.theme-dot-night { background: linear-gradient(135deg, #18231f 50%, #9fd7bd 50%); }.theme-dot-ocean { background: linear-gradient(135deg, #2e3440 50%, #88c0d0 50%); }.theme-dot-rosepine { background: linear-gradient(135deg, #faf4ed 50%, #56949f 50%); }.theme-dot-dusk { background: linear-gradient(135deg, #1a1b26 50%, #9ece6a 50%); }.theme-dot-forest { background: linear-gradient(135deg, #f2f5e9 50%, #7ba88c 50%); }.font-preview { font-family: Fraunces, Georgia, serif; line-height: 1; }.font-preview-s { font-size: .6rem; }.font-preview-m { font-size: .78rem; }.font-preview-l { font-size: 1rem; }.shortcut-list { display: grid; gap: 9px; padding: 10px 0 14px; }.shortcut-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .7rem; }.shortcut-keys { display: flex; gap: 5px; }.shortcut-row kbd { min-width: 23px; padding: 3px 6px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; background: var(--paper-deep); color: var(--ink); font-family: 'DM Sans', sans-serif; font-size: .61rem; font-weight: 700; text-align: center; }.sr-file { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }.settings-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 24px 22px; color: var(--muted); font-size: .65rem; }.danger-link { padding: 0; background: transparent; color: var(--coral-ink); font-size: .67rem; text-decoration: underline; text-underline-offset: 3px; }.sr-live { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }.toast { position: fixed; z-index: 10; right: 22px; bottom: 22px; max-width: 300px; padding: 12px 15px; border: 1px solid var(--line); border-radius: 9px; background: var(--white); box-shadow: var(--shadow); color: var(--ink); font-size: .72rem; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .2s, transform .2s; }.toast.show { opacity: 1; transform: none; }
@keyframes shake { 0%,100% { transform: translateX(0); } 33% { transform: translateX(-4px); } 66% { transform: translateX(4px); } }

@media (max-width: 1000px) { .sidebar { width: 210px; flex-basis: 210px; }.welcome-grid { grid-template-columns: 1fr; gap: 8px; }.welcome-art { transform: none; }.learn-layout { grid-template-columns: 1fr; }.lesson-list { grid-template-columns: repeat(2, 1fr); }.practice-layout, .games-layout, .review-layout { grid-template-columns: minmax(0, 1fr) 250px; } }
@media (max-width: 780px) { .sidebar { position: fixed; z-index: 20; inset: 0 auto 0 0; width: 248px; transform: translateX(-101%); transition: transform .25s; box-shadow: 18px 0 40px rgba(30,50,42,.14); }.sidebar.open { transform: none; }.mobile-menu { display: inline-flex; margin-right: 12px; }.topbar { height: 65px; padding: 0 22px; }.breadcrumb { display: flex; align-items: center; }.topbar-actions { gap: 8px; }.streak-pill { padding: 6px 9px; }.profile-chip-name { display: none; }.page-wrap { padding: 36px 22px 60px; }.welcome-grid { grid-template-columns: 1fr; gap: 8px; }.welcome-art { min-height: 290px; margin-top: 13px; }.home-heading { margin-top: 50px; }.home-cards, .quick-grid, .stats-grid, .fact-list { grid-template-columns: repeat(2, 1fr); }.home-lower-grid, .progress-dashboard { grid-template-columns: 1fr; }.learn-layout { grid-template-columns: 1fr; }.lesson-list { grid-template-columns: repeat(2, 1fr); }.lesson-detail { min-height: auto; }.practice-layout, .games-layout, .review-layout { grid-template-columns: 1fr; }.practice-side, .game-aside, .review-aside { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 13px; }.practice-stats, .game-tip, .review-quote { margin-top: 0; }.practice-main { min-height: 500px; }.session-principles { margin-top: 35px; }.page-intro { align-items: start; }.intro-stamp, .intro-icon, .review-count { flex: 0 0 78px; width: 78px; height: 78px; }.intro-stamp span { font-size: 1.8rem; }.intro-stamp small { font-size: .54rem; text-align: center; }.review-count strong { font-size: 1.6rem; }.review-count span { font-size: .54rem; text-align: center; } }
@media (max-width: 520px) { h1 { font-size: 2.45rem; }.topbar { padding: 0 16px; }.breadcrumb { font-size: .68rem; }.streak-pill { display: none; }.page-wrap { padding: 31px 16px 50px; }.lead { font-size: .9rem; }.home-actions { display: grid; }.primary-button, .secondary-button { width: 100%; }.welcome-art { min-height: 240px; }.home-heading { display: block; }.heading-note { display: block; margin-top: 9px; }.home-cards, .quick-grid, .stats-grid, .fact-list, .lesson-list, .practice-side, .game-aside, .review-aside { grid-template-columns: 1fr; }.home-card { min-height: 162px; }.calm-note { min-height: 180px; }.page-intro { gap: 12px; }.compact-intro h1 { font-size: 2.35rem; }.intro-stamp, .intro-icon, .review-count { flex-basis: 67px; width: 67px; height: 67px; }.intro-icon { font-size: 1.5rem; border-radius: 14px; }.lesson-detail { padding: 24px 19px; }.lesson-detail h2 { font-size: 1.65rem; }.lesson-visual { display: block; }.lesson-visual > .visual-equation { margin-bottom: 16px; }.lesson-steps { grid-template-columns: 1fr; }.lesson-step { min-height: auto; }.practice-main { padding: 25px 16px; }.question-number { font-size: 4.5rem; }.answer-form { width: 100%; }.answer-input { flex: 0 0 96px; }.answer-submit { flex: 1; }.mastery-panel, .improvement-panel, .facts-review-panel { padding: 19px 15px; }.mastery-chart, .rhythm-chart { gap: 4px; }.chart-legend { gap: 8px; flex-wrap: wrap; }.game-main, .review-main { padding: 23px 16px; }.match-grid { gap: 7px; }.match-card { min-height: 86px; font-size: 1.18rem; }.game-foot { display: block; }.game-restart { margin-top: 10px; }.session-question { flex-wrap: wrap; }.settings-foot { align-items: start; flex-direction: column; }.stats-grid .beyond-card { flex-direction: column; align-items: flex-start; gap: 12px; } }

/* Strategy help stays close to the equation so each question has a way in. */
.fact-helper { width: min(100%, 430px); margin: 0 auto 18px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); text-align: left; }.fact-helper-top { display: flex; align-items: start; justify-content: space-between; gap: 10px; }.fact-helper-top strong { display: block; margin-top: 5px; font-size: .8rem; color: var(--ink); }.helper-mark { color: var(--mint-deep); }.fact-helper > p { margin: 9px 0; color: var(--ink); opacity: .85; font-size: .7rem; line-height: 1.45; }.fact-helper > p b { color: var(--ink); opacity: 1; }.helper-steps { display: grid; gap: 7px; margin: 11px 0 3px; }.helper-steps > div { display: flex; gap: 8px; align-items: start; }.helper-steps p { margin: 0; color: var(--ink); opacity: .82; font-size: .68rem; line-height: 1.4; }.helper-example { margin-top: 8px; color: var(--mint-deep); }.helper-memory { margin-top: 10px; color: var(--ink); }.helper-memory span { color: var(--mint-deep); }.fact-helper .guide-toggle { margin-top: 10px; }.table-guide-steps div { align-items: start; }.table-guide .guide-toggle { display: inline-flex; }

.guide-toggle { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); color: var(--ink); font-size: .68rem; font-weight: 700; cursor: pointer; transition: background .15s, border-color .15s, color .15s; }
.guide-toggle:hover { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }

/* Stronger hierarchy: key words read clearly before the supporting detail. */
h1, h2, h3 { font-weight: 700; }.lead { color: var(--ink); font-weight: 500; }.home-card strong, .panel-heading h3, .lesson-detail h2, .lesson-step strong, .stat-value, .fact-equation, .feedback-title, .table-guide strong, .fact-helper-top strong { font-weight: 700; }.question-number { font-weight: 600; }.keyboard-note { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 14px; color: var(--muted); font-size: .64rem; font-weight: 600; }.keyboard-divider { color: var(--line); }.keyboard-note kbd { min-width: 23px; padding: 3px 6px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; background: var(--paper-deep); color: var(--ink); font-family: 'DM Sans', sans-serif; font-size: .61rem; font-weight: 700; text-align: center; }

/* Profiles: each learner signs in to their own space on this device. */
.profile-screen { position: fixed; inset: 0; z-index: 40; overflow-y: auto; background: var(--paper); padding: 46px 20px 64px; }
.profile-panel { width: min(660px, 100%); margin: 0 auto; }
.profile-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 34px; }
.profile-screen h1 { margin: 12px 0 14px; font-size: clamp(2.1rem, 4.4vw, 3.3rem); }
.profile-legacy { display: flex; gap: 10px; align-items: start; margin-top: 18px; padding: 13px 15px; border-radius: 11px; background: var(--sun-soft); color: var(--sun-ink); font-size: .74rem; line-height: 1.5; }
.profile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin: 26px 0; }
.profile-card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-soft); }
.profile-card.current { border-color: var(--mint-deep); }
.profile-login { display: flex; align-items: center; gap: 13px; width: 100%; padding: 17px 16px; border-radius: var(--radius); background: transparent; text-align: left; transition: background .2s; }
.profile-login:hover { background: var(--mint-soft); }
.avatar-lg { flex: 0 0 auto; width: 46px; height: 46px; font-size: 1.05rem; }
.avatar-mint { background: var(--mint-soft); color: var(--mint-deep); }
.avatar-coral { background: var(--coral-soft); color: var(--coral-ink); }
.avatar-sun { background: var(--sun-soft); color: var(--sun-ink); }
.avatar-lavender { background: var(--lavender-soft); color: var(--lav-ink); }
.profile-card-copy { flex: 1; min-width: 0; }
.profile-card-copy strong { display: block; font-size: .88rem; }
.profile-card-copy small { display: block; margin-top: 2px; color: var(--muted); font-size: .64rem; }
.profile-card-arrow { color: var(--muted); }
.profile-delete { position: absolute; top: 8px; right: 8px; width: 25px; height: 25px; border-radius: 7px; background: transparent; color: var(--muted); font-size: 1rem; line-height: 1; }
.profile-delete:hover { background: var(--coral-soft); color: var(--coral-ink); }
.profile-empty { display: grid; gap: 4px; margin: 26px 0; padding: 2px; color: var(--muted); font-size: .78rem; }
.profile-empty strong { color: var(--ink); font-size: .86rem; }
.profile-form { display: grid; gap: 13px; justify-items: start; margin-top: 6px; padding: 23px; }
.profile-form-head h2 { margin-top: 7px; font-size: 1.3rem; }
.profile-form label, .profile-color-label { color: var(--muted); font-size: .66rem; font-weight: 700; letter-spacing: .08em; }
.profile-form-row { display: grid; gap: 7px; width: 100%; }
.profile-form input[type='text'] { width: min(100%, 320px); padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; background: var(--white); color: var(--ink); }
.profile-color-row { grid-template-columns: auto auto; align-items: center; gap: 13px; }
.profile-colors { display: flex; gap: 8px; }
.profile-color { width: 31px; height: 31px; padding: 3px; border: 2px solid transparent; border-radius: 50%; background: transparent; }
.profile-color span { display: block; width: 100%; height: 100%; border-radius: 50%; }
.profile-color[data-profile-color='mint'] span { background: var(--mint); }
.profile-color[data-profile-color='coral'] span { background: var(--coral); }
.profile-color[data-profile-color='sun'] span { background: var(--sun); }
.profile-color[data-profile-color='lavender'] span { background: var(--lavender); }
.profile-color.active { border-color: var(--ink); }
.profile-screen-foot { display: flex; justify-content: center; margin-top: 24px; }
.profile-chip { display: flex; align-items: center; gap: 8px; padding: 4px 11px 4px 5px; border-radius: 99px; background: transparent; transition: background .2s; }
.profile-chip:hover { background: var(--paper-deep); }
.profile-chip-name { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .72rem; font-weight: 600; }
@media (max-width: 780px) { .profile-screen { padding: 30px 16px 50px; }.profile-grid { grid-template-columns: 1fr; } }

/* UI polish: softer depth, gentle motion, clearer affordances. */
body::before { content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(900px 480px at 90% -10%, var(--mint-soft) 0%, transparent 62%), radial-gradient(760px 430px at -12% 108%, var(--sun-soft) 0%, transparent 58%); }
.topbar { position: sticky; top: 0; z-index: 15; background: color-mix(in srgb, var(--paper) 80%, transparent); backdrop-filter: blur(11px); -webkit-backdrop-filter: blur(11px); }
.nav-item { position: relative; }
.nav-item.active::before { content: ''; position: absolute; left: 3px; top: 26%; bottom: 26%; width: 3px; border-radius: 3px; background: var(--mint-deep); }
.primary-button { background: linear-gradient(140deg, var(--mint-deep), color-mix(in srgb, var(--mint-deep) 82%, #122b23)); box-shadow: 0 8px 18px rgba(39,112,94,.22); }
.primary-button:hover { box-shadow: 0 12px 24px rgba(39,112,94,.28); }
.primary-button:active, .secondary-button:active, .home-card:active, .quick-start:active, .lesson-tab:active { transform: scale(.98); }
.profile-chip .avatar { transition: transform .2s; }
.profile-chip:hover .avatar { transform: scale(1.08); }
.page-section.active .home-card, .page-section.active .stat-card { animation: rise .45s ease both; }
.page-section.active .home-card:nth-child(2), .page-section.active .stat-card:nth-child(2) { animation-delay: .06s; }
.page-section.active .home-card:nth-child(3), .page-section.active .stat-card:nth-child(3) { animation-delay: .12s; }
.page-section.active .stat-card:nth-child(4) { animation-delay: .18s; }
.feedback { animation: popIn .32s cubic-bezier(.34, 1.4, .64, 1) both; }
.art-orbit { animation: bob 7s ease-in-out infinite alternate; }
.orbit-two { animation-duration: 10s; animation-delay: -3s; }
.home-card:hover { box-shadow: 0 18px 38px rgba(40,58,49,.13); }
@keyframes rise { from { opacity: 0; transform: translateY(11px); } }
@keyframes popIn { from { opacity: 0; transform: scale(.95) translateY(6px); } }
@keyframes bob { to { translate: 0 -9px; } }

/* Level pill + daily goal */
.level-pill { padding: 7px 12px; border-radius: 99px; background: var(--mint-soft); color: var(--mint-deep); font-size: .72rem; font-weight: 700; }
.goal-dots { display: flex; gap: 6px; align-items: center; }
.goal-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--paper-deep); border: 1px solid var(--line); }
.goal-dot.filled { background: var(--mint-deep); border-color: var(--mint-deep); }
.home-goal-row { display: grid; gap: 8px; margin-top: 14px; }
.home-goal-row > span { color: var(--muted); font-size: .68rem; font-weight: 600; }
.goal-target-picks { display: flex; gap: 6px; }
.side-goal-dots { margin-top: 10px; }
.confusion-card { margin-top: 13px; padding: 16px; }
.confusion-card strong { display: block; margin: 8px 0 6px; font-size: .82rem; }
.confusion-card p { margin: 0; font-size: .7rem; line-height: 1.45; }
.confusion-tip { margin-top: 10px !important; padding: 10px 12px; border-radius: 9px; background: var(--paper); border: 1px solid var(--line); color: var(--ink) !important; font-size: .7rem !important; text-align: left; }
.focus-chip { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; padding: 6px 10px; border-radius: 99px; background: var(--sun-soft); color: var(--sun-ink); font-size: .7rem; font-weight: 700; }
.focus-chip button { width: 20px; height: 20px; border-radius: 50%; background: rgba(255,255,255,.7); color: var(--sun-ink); line-height: 1; }

/* Test + level layouts */
.test-layout, .level-layout { display: grid; grid-template-columns: minmax(0, 1fr) 285px; gap: 17px; align-items: start; }
.test-main, .level-main .panel { min-height: 420px; padding: 28px; }
.test-aside, .level-aside { display: grid; gap: 13px; }
.test-intro h2, .test-results h2 { margin: 10px 0 10px; font-size: 1.7rem; }
.test-intro p, .test-results p { max-width: 480px; font-size: .8rem; }
.level-chip { display: inline-flex; flex-direction: column; gap: 2px; margin: 18px 0 22px; padding: 12px 14px; border-radius: 12px; background: var(--mint-soft); color: var(--mint-deep); font-weight: 700; }
.level-chip small { color: var(--muted); font-weight: 500; font-size: .68rem; }
.test-progress-row { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: .72rem; font-weight: 600; margin-bottom: 10px; }
.test-running .question-number { margin: 28px 0 20px; text-align: center; }
.test-running .answer-form { margin: 0 auto; }
.missed-list { margin: 18px 0; padding: 14px; border-radius: 12px; background: var(--paper-deep); }
.missed-list strong { display: block; margin-bottom: 8px; font-size: .78rem; }
.missed-list div { color: var(--muted); font-size: .74rem; margin-top: 4px; }
.missed-list span { color: var(--coral-ink); }
.test-clean { color: var(--mint-deep); font-weight: 600; }
.test-result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.test-custom-setup { padding: 18px; display: grid; gap: 10px; }
.test-custom-setup label { color: var(--muted); font-size: .66rem; font-weight: 700; letter-spacing: .06em; }
.test-count-picks { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 4px; }
.test-stats-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 14px 0 4px; padding: 12px 14px; border-radius: 11px; background: var(--paper-deep); }
.test-stats-row span { color: var(--muted); font-size: .68rem; }
.test-stats-row strong { display: block; margin-top: 3px; color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.05rem; }
.test-history-panel { padding: 18px; }
.test-history-panel .eyebrow { margin-bottom: 10px; }
.test-history-empty { margin: 0; color: var(--muted); font-size: .7rem; line-height: 1.5; }
.test-history-stats { display: flex; justify-content: space-between; gap: 8px; margin: 12px 0 14px; }
.test-history-stats span { display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--muted); font-size: .6rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.test-history-stats strong { color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.25rem; }
.test-history-chart { display: flex; align-items: end; gap: 6px; height: 56px; }
.test-history-bar { flex: 1; display: flex; align-items: end; height: 100%; }
.test-history-bar span { width: 100%; min-height: 8px; border-radius: 5px 5px 3px 3px; background: var(--mint-soft); transition: height .4s; }
.test-history-bar:nth-last-child(1) span { background: var(--mint-deep); }
.test-history-bar span:hover { background: var(--mint); }
.factor-max-picks { display: flex; flex-wrap: wrap; gap: 7px; }

.level-main { display: grid; gap: 13px; }
.level-now h2 { margin: 8px 0 8px; font-size: 1.8rem; }
.learnt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.learnt-card { padding: 14px; border-radius: 12px; background: var(--paper-deep); text-align: center; }
.learnt-card strong { display: block; font-family: Fraunces, Georgia, serif; font-size: 1.6rem; }
.learnt-card span { color: var(--muted); font-size: .64rem; }
.level-learnt { padding: 22px; }
.table-learn-row { display: grid; grid-template-columns: 36px 1fr auto; gap: 10px; align-items: center; margin-top: 10px; font-size: .72rem; }
.table-learn-row small { color: var(--muted); font-size: .62rem; }
.level-ladder { display: grid; gap: 8px; padding: 8px 0 4px; }
.level-rung { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 10px; border-radius: 10px; border: 1px solid transparent; }
.level-rung.passed { background: var(--mint-soft); }
.level-rung.current { border-color: var(--mint-deep); background: var(--white); box-shadow: var(--shadow-soft); }
.level-num { color: var(--muted); font-size: .72rem; font-weight: 700; }
.level-rung strong { display: block; font-size: .78rem; }
.level-rung small { display: block; color: var(--muted); font-size: .62rem; margin-top: 2px; }
.level-rung b { color: var(--mint-deep); font-size: .62rem; }

/* Mastery map */
.mastery-map-panel { padding: 22px; overflow-x: auto; background: linear-gradient(165deg, var(--white) 55%, var(--mint-soft)); }
.mastery-map { display: grid; grid-template-columns: 36px repeat(10, minmax(36px, 1fr)); gap: 6px; min-width: 440px; padding: 6px; }
.map-corner { }
.map-col-head, .map-row-head { display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: .62rem; font-weight: 700; letter-spacing: .04em; }
.map-cell { position: relative; aspect-ratio: 1; min-height: 36px; border-radius: 10px; border: 1px solid var(--line); background: var(--paper-deep); color: var(--muted); font-size: .62rem; font-weight: 700; transition: transform .18s, box-shadow .18s, background .2s; overflow: hidden; }
.map-cell .map-product { opacity: .55; font-family: Fraunces, Georgia, serif; font-size: .72rem; font-weight: 600; }
.map-cell:hover { transform: translateY(-3px) scale(1.04); box-shadow: var(--shadow-soft); z-index: 1; }
.map-cell:hover .map-product { opacity: 1; color: var(--ink); }
.map-cell.mastered { background: linear-gradient(145deg, var(--mint-deep), var(--mint)); border-color: transparent; color: var(--on-accent); box-shadow: 0 2px 8px rgba(39, 112, 94, .18); }
.map-cell.mastered .map-product { opacity: .92; color: var(--on-accent); }
.map-cell.mastered:hover { box-shadow: 0 6px 16px rgba(39, 112, 94, .28); }
.map-cell.growing { background: linear-gradient(145deg, var(--sun), var(--sun-soft)); border-color: transparent; color: var(--sun-ink); }
.map-cell.growing .map-product { opacity: .9; color: var(--sun-ink); }
.map-cell.fresh { background: var(--paper-deep); }
.map-check { position: absolute; top: 3px; right: 4px; font-size: .55rem; line-height: 1; opacity: .9; }
.map-caption { margin: 16px 0 0; color: var(--muted); font-size: .68rem; line-height: 1.45; }
.mastery-map-legend { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.map-stat-ring { --ring-pct: 0; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; width: 58px; height: 58px; margin-right: 6px; border-radius: 50%; background: conic-gradient(var(--mint-deep) calc(var(--ring-pct) * 1%), var(--paper-deep) 0); box-shadow: inset 0 0 0 6px var(--white); font-family: Fraunces, Georgia, serif; }
.map-stat-ring strong { font-size: .95rem; line-height: 1; color: var(--ink); }
.map-stat-ring small { font-size: .5rem; font-weight: 700; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; font-family: 'DM Sans', sans-serif; }
.mastery-table-summaries { display: grid; grid-template-columns: repeat(10, 1fr); gap: 6px; margin-top: 16px; }
.map-table-summary { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 4px; border-radius: 9px; background: var(--white); border: 1px solid var(--line); }
.map-table-summary span { color: var(--muted); font-size: .58rem; font-weight: 700; }
.map-table-summary strong { font-family: Fraunces, Georgia, serif; font-size: .95rem; color: var(--mint-deep); }
.map-table-summary small { color: var(--muted); font-size: .52rem; }

/* Report */
.report-host { margin-top: 17px; padding: 0; overflow: hidden; }
.report-sheet { padding: 28px; }
.report-head { display: flex; justify-content: space-between; gap: 16px; align-items: start; margin-bottom: 22px; }
.report-head h2 { margin: 8px 0 4px; font-size: 1.8rem; }
.report-head p { margin: 0; font-size: .75rem; }
.report-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 22px; }
.report-stat { padding: 16px; border-radius: 12px; background: var(--paper-deep); }
.report-stat span { display: block; color: var(--muted); font-size: .64rem; }
.report-stat strong { display: block; margin-top: 10px; font-family: Fraunces, Georgia, serif; font-size: 1.7rem; }
.report-stat small { display: block; margin-top: 4px; color: var(--muted); font-size: .62rem; }
.report-block { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.report-block h3 { margin: 0 0 8px; font-size: .95rem; }
.report-list { margin: 0; padding-left: 18px; color: var(--muted); font-size: .76rem; line-height: 1.55; }
.report-delta { color: var(--mint-deep); font-size: .74rem; font-weight: 600; }
.report-foot { margin-top: 24px; color: var(--muted); font-size: .64rem; }
.mode-usage-panel { margin-top: 17px; padding: 0; overflow: hidden; }
.mode-usage-sheet { padding: 28px; }
.mode-usage-head { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.mode-usage-head h2 { margin: 8px 0 5px; font-size: 1.55rem; }
.mode-usage-head p { max-width: 560px; margin: 0; font-size: .75rem; line-height: 1.5; }
.mode-usage-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: end; }
.mode-usage-callout { margin-top: 22px; padding: 16px; border-radius: 13px; background: var(--sun-soft); color: var(--ink); }
.mode-unused-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 10px 0; }
.mode-unused-list span { padding: 6px 9px; border: 1px solid color-mix(in srgb, var(--sun-ink) 28%, transparent); border-radius: 99px; color: var(--sun-ink); font-size: .68rem; font-weight: 700; }
.mode-usage-copy { margin: 9px 0 0; color: var(--ink); font-size: .72rem; line-height: 1.5; }
.mode-usage-callout > small { display: block; margin-top: 12px; color: var(--muted); font-size: .62rem; }
.mode-usage-list { margin-top: 22px; }
.mode-usage-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.mode-usage-row:last-child { border-bottom: 0; }
.mode-usage-row.unused { opacity: .7; }
.mode-usage-row strong { display: block; font-size: .77rem; }
.mode-usage-row small { display: block; margin-top: 3px; color: var(--muted); font-size: .64rem; }
.mode-usage-row > span { color: var(--ink); font-size: .68rem; font-weight: 600; text-align: right; white-space: nowrap; }
.mode-usage-row em { display: block; margin-top: 3px; color: var(--muted); font-size: .59rem; font-style: normal; font-weight: 400; }

@media (max-width: 780px) {
  .test-layout, .level-layout { grid-template-columns: 1fr; }
  .learnt-grid, .report-stats { grid-template-columns: 1fr 1fr; }
  .level-pill { display: none; }
  .mode-usage-head { flex-direction: column; }
  .mode-usage-actions { justify-content: start; }
  .mode-usage-row { align-items: start; }
  .mode-usage-row > span { white-space: normal; }
}

@media print {
  body { background: #fff !important; }
  body::before, .sidebar, .topbar, .profile-screen, .settings-dialog, .toast, .sr-live, .no-print { display: none !important; }
  .app-shell { display: block; }
  .main-content { width: 100%; }
  .page-wrap { padding: 0; width: 100%; max-width: none; }
  .page-section { display: none !important; animation: none !important; }
  #section-progress { display: block !important; }
  .stats-grid, .progress-dashboard, .facts-review-panel, .mode-usage-panel, .page-intro { display: none !important; }
  .report-host { border: 0; box-shadow: none; margin: 0; }
  .panel { box-shadow: none; }
}

/* Practice session: targets, summary, skip, weakest tables, setup collapse */
.tiny-control { display: inline-flex; align-items: center; justify-content: center; min-height: 27px; padding: 4px 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--white); color: var(--muted); font-size: .66rem; font-weight: 600; }
.tiny-control:hover { border-color: var(--mint); color: var(--mint-deep); }
.tiny-control.active, [data-session-target].active { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }
.picker-actions, .session-picks { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.session-picks { margin-top: 0; }
.finish-session-btn { margin-top: 10px; width: 100%; }
.auto-next-btn { margin-top: 14px; width: 100%; }
.auto-next-btn.active { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }
.setup-toggle { display: none; width: 100%; margin-top: 17px; }
.sr-live { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.sr-file { display: none; }
.feedback-equation { margin: 10px 0 8px; color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.55rem; }
.feedback-equation strong { color: var(--mint-deep); }
.feedback-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 13px; }
.feedback .try-again-button { margin-top: 0; }
.skip-button { padding: 9px 13px; border-radius: 7px; background: transparent; border: 1px solid var(--line); color: var(--muted); font-size: .7rem; font-weight: 700; }
.skip-button:hover { background: var(--paper-deep); color: var(--ink); }
.session-summary { width: min(100%, 480px); }
.session-summary h2 { margin: 10px 0 12px; font-size: 2.1rem; }
.session-summary-stats { margin: 0 0 12px; color: var(--ink); font-weight: 600; font-size: .9rem; }
.session-solid { margin: 0 0 22px; color: var(--muted); font-size: .78rem; line-height: 1.55; }
.session-solid strong { color: var(--mint-deep); }
@media (max-width: 780px) {
  .setup-collapsible { display: block; }
  .setup-collapsible > :not(.setup-toggle) { display: none; }
  .setup-panel.setup-open .setup-collapsible > :not(.setup-toggle) { display: block; }
  .setup-toggle { display: block; }
}

/* Practice: input polish, lesson links, picture peek, weak chips, nudge, best */
input[type='number']::-webkit-inner-spin-button, input[type='number']::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type='number'] { -moz-appearance: textfield; appearance: textfield; }
.answer-input.correct { border-color: var(--mint-deep); background: var(--mint-soft); }
.answer-input.incorrect { border-color: #bc704e; background: var(--coral-soft); }
.lesson-link { display: inline-flex; align-items: center; gap: 5px; margin: 10px 8px 0 0; padding: 0; background: transparent; color: var(--mint-deep); font-size: .68rem; font-weight: 700; }
.lesson-link span { font-size: .9rem; }
.practice-visual { margin-top: 12px; justify-content: center; }
.practice-visual .visual-group { grid-template-columns: repeat(5, 8px); padding: 8px; }
.practice-visual i { width: 8px; height: 8px; }
.table-chip.weak { border-style: dashed; border-color: var(--coral); color: var(--coral-ink); }
.session-best { margin: 0 0 16px; color: var(--mint-deep); font-size: .78rem; font-weight: 600; }
.pause-nudge { margin-top: 12px; color: var(--muted); font-size: .68rem; animation: rise .4s ease both; }

/* Games: shared scaffold, options, tower, true/false */
.game-group-label { margin: 16px 0 6px; padding: 0 9px; color: var(--muted); font-size: .6rem; font-weight: 700; letter-spacing: .12em; }
.game-menu .game-group-label:first-child { margin-top: 6px; }
.game-choice em { display: block; margin-top: 3px; color: var(--mint-deep); font-size: .6rem; font-style: normal; font-weight: 700; }
.game-question { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 34px 0 10px; font-family: Fraunces, Georgia, serif; font-size: clamp(1.8rem, 4vw, 2.7rem); }
.game-question strong { color: var(--mint-deep); }
.game-question > span { color: var(--ink); }
.missing-mark { display: inline-flex; align-items: center; justify-content: center; width: .85em; height: .85em; border: 3px dashed var(--mint-deep); border-radius: 9px; color: var(--mint-deep); font-size: .75em; }
.tap-fact span { color: var(--muted); }
.game-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; max-width: 460px; margin: 20px auto 0; }
.game-option { min-height: 64px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); font-family: Fraunces, Georgia, serif; font-size: 1.5rem; transition: transform .15s, box-shadow .15s; }
.game-option:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); border-color: var(--mint); }
.game-option:active { transform: scale(.97); }
.game-last { max-width: 460px; margin: 18px auto 0; padding: 9px 12px; border-radius: 9px; font-size: .74rem; font-weight: 600; text-align: center; }
.game-last.correct-last { background: var(--mint-soft); color: var(--mint-deep); }
.game-last.wrong-last { background: var(--coral-soft); color: var(--coral-ink); }
.game-done { max-width: 460px; margin: 30px auto 0; text-align: center; }
.game-done-score { font-family: Fraunces, Georgia, serif; font-size: 2.6rem; line-height: 1; color: var(--ink); }
.game-done p { margin: 10px 0 18px; }
.game-perfect { color: var(--mint-deep); font-weight: 700; }
.tower { display: flex; flex-direction: column; align-items: center; gap: 6px; max-width: 300px; margin: 26px auto 18px; }
.tower-block { min-width: 170px; padding: 9px 16px; border-radius: 9px; background: var(--paper-deep); color: var(--muted); font-family: Fraunces, Georgia, serif; font-size: 1.05rem; text-align: center; }
.tower-block.done { background: var(--mint-soft); color: var(--mint-deep); }
.tower-block.current { background: var(--sun-soft); color: var(--sun-ink); font-weight: 600; }
.tower-question { color: var(--sun-ink); }
.tf-options { display: flex; justify-content: center; gap: 12px; max-width: 380px; margin: 24px auto 0; }
.tf-btn { flex: 1; min-height: 60px; border-radius: 12px; font-size: .95rem; font-weight: 700; border: 1px solid var(--line); background: var(--white); transition: transform .15s; }
.tf-btn:hover { transform: translateY(-2px); }
.tf-btn:active { transform: scale(.97); }
.true-btn:hover { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }
.false-btn:hover { border-color: #bc704e; background: var(--coral-soft); color: var(--coral-ink); }
.path-hint { margin: 0 0 16px; text-align: center; color: var(--muted); font-size: .75rem; }
@media (max-width: 520px) {
  .game-options { grid-template-columns: repeat(2, 1fr); }
  .game-question { margin-top: 24px; }
  .tower-block { min-width: 140px; font-size: .95rem; }
}

/* Unlimited session note */
.unlimited-note { margin: 0 0 14px; color: var(--muted); font-size: .68rem; }

/* Review page: overview queue, session, summary */
.review-overview { max-width: 560px; margin: 0 auto; }
.review-overview .review-queue-head { margin-bottom: 6px; }
.review-due-list { display: grid; gap: 8px; margin: 18px 0; }
.review-due-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; background: var(--white); }
.review-due-row .fact-equation { font-weight: 700; }
.review-due-row .fact-status { font-size: .66rem; }
.review-week-stats { margin: 14px 0 0; color: var(--muted); font-size: .7rem; }
.review-upcoming { margin: 20px auto 0; max-width: 330px; text-align: left; }
.review-upcoming h3 { margin: 0 0 8px; font-size: .8rem; }
.review-upcoming ul { margin: 0; padding: 0; list-style: none; }
.review-upcoming li { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--line); color: var(--ink); font-size: .76rem; }
.review-upcoming li small { color: var(--muted); font-size: .64rem; }
.review-session, .review-summary { max-width: 560px; margin: 0 auto; }
.review-session .session-progress { margin-bottom: 24px; }
.review-session .question-number { margin: 26px 0 20px; }
.review-session .answer-form { margin: 0 auto; }
.review-session .feedback { width: 100%; }
.review-summary h2 { margin: 10px 0 14px; font-size: 2rem; }
.review-summary .session-solid { margin-bottom: 14px; }
.review-summary .missed-list { margin: 16px 0; }

/* Dark themes: shared surface tweaks (switch knob + quick-start wash) */
body[data-theme='night'] .quick-start, body[data-theme='ocean'] .quick-start, body[data-theme='dusk'] .quick-start { background: var(--paper); border-color: var(--line); color: var(--ink); }
body[data-theme='night'] .switch span, body[data-theme='ocean'] .switch span, body[data-theme='dusk'] .switch span { background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.4); }
body[data-theme='night'] .switch.on span, body[data-theme='ocean'] .switch.on span, body[data-theme='dusk'] .switch.on span { background: var(--paper); }

/* Settings: live theme preview */
.theme-preview { margin-top: 14px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); display: flex; flex-direction: column; gap: 10px; }
.tp-window { border: 1px solid var(--line); border-radius: 10px; background: var(--white); overflow: hidden; }
.tp-top { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: var(--paper-deep); }
.tp-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-fill); }
.tp-title { width: 62px; height: 6px; border-radius: 3px; background: var(--ink); opacity: .7; }
.tp-pill { margin-left: auto; width: 30px; height: 10px; border-radius: 99px; background: var(--mint-soft); border: 1px solid var(--line); }
.tp-body { display: grid; gap: 8px; padding: 12px; }
.tp-line { height: 7px; border-radius: 4px; background: var(--muted); opacity: .45; }
.tp-line.l1 { width: 72%; }
.tp-line.l2 { width: 46%; }
.tp-btn { justify-self: start; padding: 5px 14px; border-radius: 6px; background: var(--accent-fill); color: var(--on-accent); font-size: .6rem; font-weight: 700; }
.tp-card { display: flex; align-items: center; gap: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.tp-accent-bar { width: 42px; height: 8px; border-radius: 4px; background: var(--mint-deep); }
.tp-caption { color: var(--muted); font-size: .62rem; font-weight: 600; text-align: center; }

/* Quick sessions: custom mode, chips, counts, summary */
.quick-card.custom { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 18px; background: var(--coral-soft); border-color: transparent; }
.quick-card.custom .custom-mark { color: var(--coral-ink); font-size: 2rem; }
.quick-card.custom .custom-copy { flex: 1; min-width: 0; }
.quick-card.custom .custom-copy strong { margin-top: 4px; }
.quick-card.custom .custom-copy p { margin: 5px 0 0; }
.quick-custom { margin-top: 17px; padding: 22px; display: grid; gap: 16px; }
.quick-custom-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.quick-custom-head h3 { margin: 6px 0 0; font-size: 1.2rem; }
.quick-custom-row { display: grid; grid-template-columns: 86px 1fr; gap: 12px; align-items: start; }
.quick-custom-label { padding-top: 5px; color: var(--muted); font-size: .68rem; font-weight: 700; letter-spacing: .08em; }
.quick-custom-note { grid-column: 2; color: var(--muted); font-size: .64rem; }
.quick-custom .quick-all { justify-self: start; margin-top: 8px; }
.quick-custom-start { justify-self: start; margin-top: 4px; }
.quick-tables-chip { display: inline-block; margin-top: 10px; padding: 4px 9px; border-radius: 99px; background: var(--mint-soft); color: var(--mint-deep); font-size: .64rem; font-weight: 700; }
.quick-count { display: flex; justify-content: center; gap: 20px; margin-top: 14px; color: var(--muted); font-size: .7rem; }
.quick-count span { display: inline-flex; align-items: center; gap: 6px; }
.quick-count span::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--mint-deep); }
.running-timer.untimed { color: var(--mint-deep); font-size: 1.5rem; }
.quick-summary { max-width: 420px; margin: 0 auto; text-align: center; }
.quick-summary h2 { margin: 10px 0 6px; font-size: 2rem; }
.quick-summary-pct { margin: 0 0 18px; color: var(--muted); font-size: .78rem; }
.quick-summary .test-result-actions { justify-content: center; }
@media (max-width: 520px) {
  .quick-custom-row { grid-template-columns: 1fr; gap: 8px; }
  .quick-custom-note { grid-column: 1; }
  .quick-card.custom { flex-wrap: wrap; }
}

/* Quick session summary: per-question stats + wrong list */
.quick-summary-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0 18px; }
.quick-stat { padding: 12px; border-radius: 11px; background: var(--paper-deep); text-align: center; }
.quick-stat span { display: block; color: var(--muted); font-size: .62rem; }
.quick-stat strong { display: block; margin-top: 6px; font-family: Fraunces, Georgia, serif; font-size: 1.25rem; }
.quick-wrong { margin: 6px 0 18px; text-align: left; }
.quick-wrong-list { display: grid; gap: 7px; margin-top: 10px; }
.quick-wrong-row { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); }
.quick-wrong-eq { font-family: Fraunces, Georgia, serif; font-size: .95rem; }
.quick-wrong-eq strong { color: var(--mint-deep); }
.quick-wrong-given { color: var(--muted); font-size: .66rem; }
.quick-wrong-time { padding: 3px 8px; border-radius: 99px; background: var(--coral-soft); color: var(--coral-ink); font-size: .62rem; font-weight: 700; white-space: nowrap; }
.quick-clean { margin: 0 0 18px; color: var(--mint-deep); font-size: .76rem; font-weight: 600; }
body[data-theme='night'] .quick-wrong-time { color: #e8936b; }
@media (max-width: 520px) {
  .quick-summary-stats { grid-template-columns: 1fr 1fr 1fr; gap: 7px; }
  .quick-wrong-row { grid-template-columns: 1fr auto; }
  .quick-wrong-given { grid-column: 1 / -1; }
}

/* v2: Daily plan */
.plan-panel { margin-top: 13px; padding: 22px; }
.plan-list { display: grid; gap: 14px; margin-top: 16px; }
.plan-item { display: grid; gap: 8px; }
.plan-item-label { color: var(--muted); font-size: .64rem; font-weight: 700; letter-spacing: .1em; }
.plan-facts { display: flex; flex-wrap: wrap; gap: 8px; }
.plan-row { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); color: var(--ink); text-align: left; transition: background .2s, transform .2s; }
.plan-row:hover { background: var(--mint-soft); transform: translateY(-1px); }
.plan-row.done { opacity: .65; }
.plan-check { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 20px; width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--line); background: var(--white); color: var(--mint-deep); font-size: .7rem; font-weight: 700; }
.plan-row.done .plan-check { background: var(--accent-fill); border-color: transparent; color: var(--on-accent); }
.plan-eq { font-family: Fraunces, Georgia, serif; font-size: .95rem; }
.plan-row small { margin-left: auto; color: var(--muted); font-size: .62rem; }

/* v2.0: home quick stats, rhythm, review card, achievements strip */
.home-quick-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; margin-top: 17px; }
.quick-stat-card { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.quick-stat-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 10px; background: var(--mint-soft); color: var(--mint-deep); font-size: .95rem; }
.quick-stat-card > div { min-width: 0; }
.quick-stat-label { display: block; color: var(--ink); opacity: .6; font-size: .6rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.quick-stat-value { display: block; margin-top: 2px; font-family: Fraunces, Georgia, serif; font-size: 1.4rem; line-height: 1.1; color: var(--ink); }
.quick-stat-sub { display: block; margin-top: 2px; color: var(--ink); opacity: .65; font-size: .6rem; }
.home-mid-stack { display: grid; gap: 13px; }
.rhythm-panel { padding: 18px 20px; }
.home-rhythm-body { padding-top: 12px; }
.rhythm-chart.mini { height: 90px; padding: 12px 4px 0; }
.rhythm-total { margin: 10px 0 0; color: var(--ink); opacity: .75; font-size: .68rem; }
.review-count-card { padding: 18px 20px; }
.review-count-card .panel-chip { margin-left: auto; }
.review-card-copy { margin: 10px 0 12px; color: var(--ink); opacity: .75; font-size: .72rem; line-height: 1.45; }
.home-achievements-panel { margin-top: 17px; padding: 18px 20px; }
.home-achievement-row { display: flex; gap: 8px; margin-top: 12px; }
.home-achievement-row .ach-icon { flex: 0 0 34px; width: 34px; height: 34px; font-size: .9rem; }
.home-achievement-note { margin: 10px 0 0; color: var(--ink); opacity: .7; font-size: .68rem; }
@media (max-width: 780px) {
  .home-quick-stats { grid-template-columns: repeat(2, 1fr); }
  .home-lower-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) { .home-quick-stats { gap: 9px; } }
.plan-facts .plan-row { width: auto; }
.plan-empty { color: var(--muted); font-size: .72rem; }

/* v2: Achievements */
.achievements-panel { margin-top: 17px; padding: 22px; }
.achievement-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 16px; }
.achievement { display: flex; align-items: center; gap: 11px; padding: 12px; border-radius: 11px; border: 1px solid var(--line); }
.achievement.unlocked { background: var(--mint-soft); border-color: transparent; }
.achievement.locked { opacity: .55; }
.ach-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 50%; background: var(--white); color: var(--mint-deep); font-size: 1rem; font-weight: 700; }
.achievement.locked .ach-icon { color: var(--muted); }
.achievement strong { display: block; font-size: .78rem; }
.achievement small { display: block; margin-top: 2px; color: var(--muted); font-size: .64rem; line-height: 1.35; }
@media (max-width: 520px) { .achievement-grid { grid-template-columns: 1fr; } }

/* v2: Story problems */
.story-problem { max-width: 440px; margin: 6px auto 2px; padding: 12px 14px; border-radius: 11px; background: var(--sun-soft); color: var(--ink); font-size: .82rem; line-height: 1.5; text-align: left; }
.story-mark { color: var(--sun-ink); font-weight: 700; margin-right: 7px; }

/* v2: Collapsible icon rail (desktop) */
.rail-toggle { display: flex; align-items: center; gap: 12px; width: 100%; margin-top: 14px; padding: 11px 12px; border-radius: 10px; background: transparent; color: var(--muted); font-size: .72rem; font-weight: 500; text-align: left; transition: background .2s, color .2s; }
.rail-toggle:hover { color: var(--ink); background: rgba(255,255,255,.46); }
.rail-toggle .nav-icon { width: 20px; text-align: center; font-size: 1.04rem; line-height: 1; }
@media (min-width: 781px) {
  body.nav-rail .sidebar { width: 64px; flex: 0 0 64px; padding: 24px 10px 16px; }
  body.nav-rail .brand-lockup { flex-direction: column; align-items: center; gap: 6px; padding: 0 0 26px; }
  body.nav-rail .brand-name, body.nav-rail .brand-note { display: none; }
  body.nav-rail .nav-item { justify-content: center; padding: 12px 0; }
  body.nav-rail .nav-item > span:not(.nav-icon) { display: none; }
  body.nav-rail .nav-item .nav-icon { width: auto; }
  body.nav-rail .focus-card, body.nav-rail .sidebar-footnote { display: none; }
  body.nav-rail .settings-trigger { justify-content: center; padding: 11px 0; }
  body.nav-rail .settings-trigger > span:not(.nav-icon) { display: none; }
  body.nav-rail .rail-toggle { justify-content: center; padding: 11px 0; }
  body.nav-rail .rail-toggle > span:not(.nav-icon) { display: none; }
}
@media (max-width: 780px) {
  .rail-toggle { display: none; }
}

/* Practice: animations + live feedback */
#practiceCard { position: relative; }
#practiceCard.fresh .question-number { animation: qPop .4s cubic-bezier(.34, 1.4, .64, 1) both; }
#practiceCard.state-correct .question-number { animation: qPop .3s ease both; }
#practiceCard.state-correct { box-shadow: 0 0 0 3px rgba(39,112,94,.16), var(--shadow-soft); }
#practiceCard.state-incorrect .question-number { animation: shakeX .32s ease; }
#practiceCard.state-incorrect { box-shadow: 0 0 0 3px rgba(193,104,65,.14), var(--shadow-soft); }
.answer-input.correct { animation: ringFlash .5s ease; }
.answer-input.incorrect { animation: shakeX .32s ease; }
.session-progress span { background: linear-gradient(90deg, var(--mint-deep), var(--mint)); background-size: 200% 100%; animation: shimmer 2.2s linear infinite; }
@keyframes qPop { from { opacity: 0; transform: scale(.82) translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes shakeX { 0%, 100% { transform: translateX(0); } 30% { transform: translateX(-5px); } 60% { transform: translateX(5px); } }
@keyframes ringFlash { 0% { box-shadow: 0 0 0 0 rgba(39,112,94,.35); } 100% { box-shadow: 0 0 0 14px rgba(39,112,94,0); } }
@keyframes shimmer { from { background-position: 0% 0; } to { background-position: -200% 0; } }

/* Accuracy ring */
.acc-ring-wrap { position: absolute; top: 16px; right: 16px; display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--muted); }
.acc-ring { width: 44px; height: 44px; transform: rotate(-90deg); }
.acc-ring-bg { fill: none; stroke: var(--paper-deep); stroke-width: 5; }
.acc-ring-fg { fill: none; stroke: var(--mint-deep); stroke-width: 5; stroke-linecap: round; transition: stroke-dashoffset .5s ease; }
.acc-ring-wrap small { font-size: .56rem; font-weight: 700; }

/* Fact confidence dots */
.fact-meta { display: flex; align-items: center; justify-content: center; gap: 9px; margin: -6px 0 14px; color: var(--muted); font-size: .62rem; }
.fact-dots { display: inline-flex; gap: 5px; }
.fact-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--paper-deep); border: 1px solid var(--line); }
.fact-dot.filled { background: var(--mint-deep); border-color: var(--mint-deep); }

/* Run chip */
.run-chip { display: inline-flex; align-items: center; gap: 4px; margin-left: 8px; padding: 2px 8px; border-radius: 99px; background: var(--sun-soft); color: var(--sun-ink); font-size: .62rem; font-weight: 700; }
.run-chip.bump { animation: chipBump .45s cubic-bezier(.34, 1.6, .64, 1); }
@keyframes chipBump { 0% { transform: scale(1); } 40% { transform: scale(1.35); } 100% { transform: scale(1); } }

/* Picture peek stagger */
.practice-visual > .visual-group, .feedback-groups .visual-group { animation: dotIn .3s ease both; }
.practice-visual > .visual-group:nth-child(1), .feedback-groups .visual-group:nth-child(1) { animation-delay: 0s; }
.practice-visual > .visual-group:nth-child(2), .feedback-groups .visual-group:nth-child(2) { animation-delay: .05s; }
.practice-visual > .visual-group:nth-child(3), .feedback-groups .visual-group:nth-child(3) { animation-delay: .1s; }
.practice-visual > .visual-group:nth-child(4), .feedback-groups .visual-group:nth-child(4) { animation-delay: .15s; }
.practice-visual > .visual-group:nth-child(5), .feedback-groups .visual-group:nth-child(5) { animation-delay: .2s; }
.practice-visual > .visual-group:nth-child(6), .feedback-groups .visual-group:nth-child(6) { animation-delay: .25s; }
.practice-visual > .visual-group:nth-child(n+7), .feedback-groups .visual-group:nth-child(n+7) { animation-delay: .3s; }
@keyframes dotIn { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: none; } }
.feedback-groups { margin-top: 10px; }
.feedback-groups .visual-group { grid-template-columns: repeat(5, 8px); padding: 8px; }
.feedback-groups i { width: 8px; height: 8px; }

/* Solid burst */
.solid-burst { position: relative; height: 26px; margin: 4px 0 0; }
.solid-burst i { position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; border-radius: 50%; background: var(--mint-deep); opacity: 0; animation: burst 0.7s ease-out both; }
.solid-burst i:nth-child(1) { --bx: 26px; --by: -18px; animation-delay: 0s; }
.solid-burst i:nth-child(2) { --bx: 34px; --by: 8px; animation-delay: .05s; }
.solid-burst i:nth-child(3) { --bx: 0px; --by: -24px; animation-delay: .1s; }
.solid-burst i:nth-child(4) { --bx: -26px; --by: -14px; animation-delay: .15s; }
.solid-burst i:nth-child(5) { --bx: -34px; --by: 10px; animation-delay: .2s; }
.solid-burst i:nth-child(6) { --bx: 12px; --by: 22px; animation-delay: .25s; }
@keyframes burst { 0% { opacity: 0; transform: translate(0, 0) scale(.5); } 20% { opacity: 1; } 100% { opacity: 0; transform: translate(var(--bx), var(--by)) scale(1); } }

/* Session summary stagger */
.session-summary > * { animation: rise .45s ease both; }
.session-summary > *:nth-child(2) { animation-delay: .06s; }
.session-summary > *:nth-child(3) { animation-delay: .12s; }
.session-summary > *:nth-child(4) { animation-delay: .18s; }
@media (max-width: 520px) { .acc-ring-wrap { top: 10px; right: 10px; } }

/* Practice page: keep the math problem front and centre */
@media (min-width: 781px) { .practice-intro { align-items: center; } }
.practice-main { min-height: 440px; }
@media (max-width: 780px) { .practice-intro { margin-bottom: 12px; gap: 12px; } }

/* Practice v3: summary wrong list, parent note, pace, pad, build, breath */
.session-wrong { margin: 0 0 16px; padding: 12px 14px; border-radius: 11px; background: var(--coral-soft); color: var(--coral-ink); font-size: .78rem; }
.session-wrong ul { margin: 8px 0 0; padding-left: 1.1rem; }
.session-wrong li span { opacity: .75; font-size: .9em; }
.parent-note { margin: 0 0 18px; padding: 14px; border-radius: 11px; border: 1px dashed var(--line); background: var(--paper-deep); }
.parent-note p { margin: 8px 0 10px; color: var(--ink); font-size: .78rem; line-height: 1.5; }
.helper-soft { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }
.fact-helper-min { margin-top: 8px; }
.pace-pill { display: inline-flex; align-items: center; gap: 4px; margin-left: 8px; padding: 2px 8px; border-radius: 99px; background: var(--paper-deep); color: var(--muted); font-size: .6rem; font-weight: 700; }
.pace-pill.pace-slow { background: var(--sun-soft); color: var(--sun-ink); }
.twin-chip { background: var(--lavender-soft); color: var(--lav-ink); }
.speak-btn { margin-left: 8px; vertical-align: middle; }
.digit-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; max-width: 240px; margin: 14px auto 0; }
.digit-key { min-height: 48px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); font-family: Fraunces, Georgia, serif; font-size: 1.2rem; font-weight: 600; }
.digit-key:hover { border-color: var(--mint); background: var(--mint-soft); color: var(--mint-deep); }
.digit-key:active { transform: scale(.96); }
.build-it { margin: 14px auto 0; max-width: 360px; padding: 14px; border-radius: 12px; background: var(--paper-deep); text-align: center; }
.build-it p { margin: 6px 0 12px; font-size: .78rem; color: var(--muted); }
.build-grid { display: grid; grid-template-columns: repeat(var(--build-cols, 5), 18px); gap: 6px; justify-content: center; }
.build-dot { width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--line); background: var(--white); padding: 0; }
.build-dot.on { background: var(--mint-deep); border-color: var(--mint-deep); }
.build-actions { display: flex; justify-content: center; gap: 8px; margin-top: 12px; }
.breath-card { width: min(100%, 420px); margin: 0 auto; text-align: center; padding: 20px 10px; }
.breath-card h2 { margin: 10px 0 18px; font-size: 1.8rem; }
.breath-circle { width: 88px; height: 88px; margin: 10px auto 18px; border-radius: 50%; border: 3px solid var(--mint-deep); background: var(--mint-soft); animation: breath 4s ease-in-out infinite; }
@keyframes breath { 0%, 100% { transform: scale(.72); opacity: .7; } 50% { transform: scale(1); opacity: 1; } }
body.reduced-motion .breath-circle { animation: none; }
.question-kicker { display: flex; align-items: center; justify-content: center; gap: 6px; flex-wrap: wrap; }

/* Learn v2.2: arrays, lesson navigation */
.visual-array { display: grid; gap: 6px; justify-items: start; }
.visual-array .visual-group { padding: 7px; }
.visual-array-bare { margin-right: 4px; }
.visual-array-label { display: block; margin-top: 2px; color: var(--muted); font-size: .6rem; font-weight: 600; }
.lesson-nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.lesson-position { color: var(--muted); font-size: .64rem; font-weight: 700; }
.lesson-nav button:disabled { opacity: .4; pointer-events: none; }

/* UX pass: focus rings, motion care, small-screen polish */
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible, .lesson-tab:focus-visible, .table-chip:focus-visible, .map-cell:focus-visible, .digit-key:focus-visible, .build-dot:focus-visible, .game-option:focus-visible, .nav-item:focus-visible { outline: 3px solid var(--mint-deep); outline-offset: 3px; }
body[data-theme='night'] :focus-visible, body[data-theme='ocean'] :focus-visible, body[data-theme='dusk'] :focus-visible { outline-color: var(--mint); }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 100; padding: 10px 14px; border-radius: 0 0 9px 0; background: var(--accent-fill); color: var(--on-accent); font-size: .74rem; font-weight: 700; text-decoration: none; box-shadow: var(--shadow); }
.skip-link:focus, .skip-link:focus-visible { left: 12px; top: 12px; outline: 3px solid var(--mint-deep); outline-offset: 3px; }
button[disabled], button:disabled { opacity: .45; pointer-events: none; cursor: default; }
.toast { z-index: 60; line-height: 1.45; }
body[data-theme='night'] .toast, body[data-theme='ocean'] .toast, body[data-theme='dusk'] .toast { border-color: color-mix(in srgb, var(--ink) 26%, var(--line)); box-shadow: 0 14px 34px rgba(0,0,0,.42); }
.keyboard-note { line-height: 1.7; }
.keyboard-note kbd { line-height: 1.5; }
.helper-soft { line-height: 1.55; }
.setup-hint { line-height: 1.55; }
.setup-hint kbd { min-width: 20px; padding: 2px 5px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; background: var(--paper-deep); color: var(--ink); font-family: 'DM Sans', sans-serif; font-size: .61rem; font-weight: 700; text-align: center; }
body.reduced-motion .breath-circle, body.reduced-motion .run-chip.bump, body.reduced-motion .solid-burst i, body.reduced-motion .session-progress span, body.reduced-motion .practice-visual > .visual-group, body.reduced-motion .feedback-groups .visual-group, body.reduced-motion .session-summary > *, body.reduced-motion .page-section.active .home-card, body.reduced-motion .page-section.active .stat-card, body.reduced-motion .feedback, body.reduced-motion .art-orbit, body.reduced-motion .pause-nudge, body.reduced-motion #practiceCard.fresh .question-number, body.reduced-motion #practiceCard.state-correct .question-number, body.reduced-motion #practiceCard.state-incorrect .question-number, body.reduced-motion .answer-input.correct, body.reduced-motion .answer-input.incorrect, body.reduced-motion .match-card.wrong { animation: none !important; }
body.reduced-motion .acc-ring-fg, body.reduced-motion .mastery-bar, body.reduced-motion .mini-meter span, body.reduced-motion .goal-dot, body.reduced-motion .fact-dot, body.reduced-motion .switch, body.reduced-motion .switch span { transition: none !important; }
body.reduced-motion .primary-button:hover, body.reduced-motion .secondary-button:hover, body.reduced-motion .home-card:hover, body.reduced-motion .quick-card:hover, body.reduced-motion .match-card:hover, body.reduced-motion .game-option:hover, body.reduced-motion .tf-btn:hover, body.reduced-motion .map-cell:hover, body.reduced-motion .plan-row:hover, body.reduced-motion .profile-chip:hover .avatar { transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .breath-circle, .run-chip.bump, .solid-burst i, .session-progress span, .practice-visual > .visual-group, .feedback-groups .visual-group, .session-summary > *, .page-section.active .home-card, .page-section.active .stat-card, .feedback, .art-orbit, .pause-nudge, #practiceCard.fresh .question-number, #practiceCard.state-correct .question-number, #practiceCard.state-incorrect .question-number, .answer-input.correct, .answer-input.incorrect, .match-card.wrong { animation: none !important; }
  .acc-ring-fg, .mastery-bar, .mini-meter span, .goal-dot, .fact-dot, .switch, .switch span { transition: none !important; }
  .primary-button:hover, .secondary-button:hover, .home-card:hover, .quick-card:hover, .match-card:hover, .game-option:hover, .tf-btn:hover, .map-cell:hover, .plan-row:hover, .profile-chip:hover .avatar { transform: none; }
}
@media (max-width: 520px) {
  .digit-pad { max-width: 260px; gap: 7px; }
  .digit-key { min-height: 46px; font-size: 1.1rem; }
  .build-it { max-width: 100%; padding: 14px 12px; }
  .build-grid { gap: 5px; }
  .breath-card { padding: 20px 14px; }
  .breath-card h2 { font-size: 1.5rem; }
  .lesson-nav { flex-wrap: wrap; gap: 8px; }
  .lesson-position { order: 3; flex-basis: 100%; margin-top: 6px; text-align: center; }
  .parent-note { padding: 13px 12px; }
  .session-wrong { padding: 12px; }
  .session-wrong ul { padding-left: 1rem; }
.focus-chip, .twin-chip, .pace-pill { max-width: 100%; flex-wrap: wrap; }
.test-progress-row { flex-wrap: wrap; gap: 6px; font-size: .68rem; }
.toast { right: 16px; left: 16px; bottom: 16px; max-width: none; text-align: center; }
.difficulty-picker { display: flex; justify-content: center; gap: 7px; margin-bottom: 16px; flex-wrap: wrap; }
.difficulty-chip { min-height: 30px; padding: 5px 14px; font-size: .68rem; }
.difficulty-chip.active { border-color: var(--accent-fill); background: var(--mint-soft); color: var(--ink); }
  .voice-layout { grid-template-columns: 1fr; }
  .mastery-table-summaries { grid-template-columns: repeat(5, 1fr); }
  .home-side-stack { gap: 10px; }
  .top-version { display: none; }
}

/* v1.3: version badge, voice challenge, fact of day, confetti */
.app-version { color: var(--muted); font-size: .58rem; font-weight: 700; letter-spacing: .08em; }
.top-version { display: inline-flex; align-items: center; padding: 5px 8px; border-radius: 99px; background: var(--paper-deep); border: 1px solid var(--line); }
.sidebar-footnote .app-version { display: block; margin-top: 4px; opacity: .8; }

.home-side-stack { display: grid; gap: 13px; }
.fact-of-day-card { display: block; width: 100%; padding: 18px; text-align: left; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, var(--white), var(--lavender-soft)); cursor: pointer; transition: transform .2s, box-shadow .2s; }
.fact-of-day-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.fact-of-day-eq { margin: 10px 0 8px; font-family: Fraunces, Georgia, serif; font-size: 1.85rem; color: var(--lav-ink); }
.fact-of-day-card p { margin: 0 0 12px; color: var(--muted); font-size: .72rem; line-height: 1.45; }
.fact-of-day-card .card-link { color: var(--ink); font-size: .7rem; font-weight: 700; }

.voice-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 17px; align-items: start; }
.voice-main { min-height: 420px; padding: 28px; }
.voice-aside { display: grid; gap: 13px; }
.voice-tip { padding: 18px; }
.voice-tip.soft { background: var(--mint-soft); border-color: transparent; }
.voice-tip .tip-icon { display: block; margin-bottom: 8px; color: var(--mint-deep); font-size: 1.1rem; }
.voice-tip strong { display: block; margin-bottom: 6px; font-size: .82rem; }
.voice-tip p { margin: 0; color: var(--muted); font-size: .72rem; line-height: 1.5; }
.voice-setup { max-width: 520px; margin: 0 auto; }
.voice-setup-head { margin-bottom: 18px; text-align: center; }
.voice-setup-head h2 { margin: 8px 0 8px; font-size: 1.7rem; }
.voice-setup .setup-group { margin-top: 14px; }
.voice-setup .setup-group label { display: block; margin-bottom: 8px; color: var(--muted); font-size: .66rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.voice-start-btn { width: 100%; margin-top: 20px; justify-content: center; }
.voice-browser-note { margin: 12px 0 0; text-align: center; color: var(--muted); font-size: .64rem; }
.voice-fallback { max-width: 420px; margin: 40px auto; text-align: center; }
.voice-fallback h2 { margin: 12px 0 10px; font-size: 1.6rem; }
.voice-fallback p { color: var(--muted); font-size: .8rem; line-height: 1.5; }
.voice-run-panel { text-align: center; padding: 12px 8px 20px; }
.voice-run-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 18px; }
.voice-mic-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 99px; background: var(--paper-deep); color: var(--muted); font-size: .68rem; font-weight: 700; }
.voice-mic-pill.listening { background: var(--mint-soft); color: var(--mint-deep); box-shadow: 0 0 0 4px rgba(39, 112, 94, .08); animation: micPulse 1.6s ease-in-out infinite; }
@keyframes micPulse { 0%, 100% { box-shadow: 0 0 0 3px rgba(39, 112, 94, .08); } 50% { box-shadow: 0 0 0 8px rgba(39, 112, 94, .04); } }
body.reduced-motion .voice-mic-pill.listening { animation: none; }
.voice-run, .voice-flame { font-size: .78rem; font-weight: 700; color: var(--sun-ink); }
.voice-flame { color: var(--mint-deep); }
.voice-timer-pill { display: inline-flex; align-items: center; justify-content: center; min-width: 52px; margin: 0 auto 8px; padding: 4px 12px; border-radius: 99px; background: var(--sun-soft); color: var(--sun-ink); font-family: Fraunces, Georgia, serif; font-size: 1.1rem; font-weight: 600; }
.voice-question { margin: 18px 0 10px; font-family: Fraunces, Georgia, serif; font-size: clamp(2.4rem, 7vw, 4rem); line-height: 1.05; color: var(--ink); }
.voice-question span { color: var(--muted); }
.voice-hint { margin: 0 auto; max-width: 320px; color: var(--muted); font-size: .74rem; line-height: 1.45; }
.voice-feedback { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; padding: 10px 16px; border-radius: 12px; font-size: .84rem; font-weight: 600; animation: rise .35s ease both; }
.voice-feedback.correct { background: var(--mint-soft); color: var(--mint-deep); }
.voice-feedback.wrong { background: var(--coral-soft); color: var(--coral-ink); }
.voice-summary { text-align: center; }
.speed-badge { display: inline-block; margin: 0 0 12px; padding: 5px 12px; border-radius: 99px; font-size: .68rem; font-weight: 700; }
.speed-badge.lightning { background: var(--mint-soft); color: var(--mint-deep); }
.speed-badge.swift { background: var(--sun-soft); color: var(--sun-ink); }
.speed-badge.steady { background: var(--lavender-soft); color: var(--lav-ink); }
.speed-badge.calm { background: var(--paper-deep); color: var(--muted); }

.confetti-host { position: fixed; inset: 0; pointer-events: none; z-index: 80; overflow: hidden; }
.confetti-host i { position: absolute; top: -12px; left: calc(8% + (var(--ci) * 5%)); width: 8px; height: 10px; border-radius: 2px; background: var(--mint-deep); opacity: 0; animation: confettiFall 1.2s ease-out forwards; animation-delay: calc(var(--ci) * .03s); }
.confetti-host i:nth-child(3n) { background: var(--sun); }
.confetti-host i:nth-child(3n+1) { background: var(--coral); }
.confetti-host i:nth-child(3n+2) { background: var(--lavender); width: 6px; height: 12px; }
@keyframes confettiFall { 0% { opacity: 1; transform: translateY(0) rotate(0deg); } 100% { opacity: 0; transform: translateY(100vh) rotate(420deg); } }
body.reduced-motion .confetti-host { display: none; }

/* v1.6: homepage + global readable text (no white-on-white / grey wash) */
.lead, .practice-intro .lead, .compact-intro .lead { color: var(--ink); opacity: .88; }
p { color: var(--ink); opacity: .82; }
.home-card { color: var(--ink); border: 1px solid color-mix(in srgb, var(--ink) 8%, transparent); }
.home-card strong { color: var(--ink); }
.home-card > span:not(.card-number):not(.card-icon):not(.card-link) { color: var(--ink); opacity: .78; }
.card-number { color: var(--ink); opacity: .55; }
.card-link { color: var(--ink); }
.heading-note, .reassurance, .progress-summary span, .progress-summary small,
.home-card .card-number { color: var(--ink); opacity: .7; }
.progress-summary strong, .focus-title, .home-heading h2 { color: var(--ink); }
.focus-copy, .sidebar-footnote, .breadcrumb { color: var(--ink); opacity: .72; }
.breadcrumb-slash { color: var(--ink); opacity: .4; }
.breadcrumb strong { color: var(--ink); opacity: 1; }
.answer-submit, .next-button { background: var(--ink); color: var(--on-ink); }
.answer-submit:hover, .next-button:hover { filter: brightness(1.05); }
.answer-input::placeholder { color: var(--muted); opacity: .75; }
.art-board {
  background: var(--white);
  border-color: var(--line);
  color: var(--ink);
}
.board-title, .board-answer { color: var(--ink); opacity: .75; }
.board-answer strong, .board-count { color: var(--ink); opacity: 1; }
.lesson-visual, .lesson-step, .lesson-callout, .hint-box, .quick-start {
  background: color-mix(in srgb, var(--white) 88%, var(--paper));
  color: var(--ink);
}
.lesson-step p, .lesson-detail .lesson-lead, .method-step p, .game-intro p,
.review-empty p, .quick-card p, .stat-note, .stat-label { color: var(--ink); opacity: .78; }
.lesson-step strong, .method-step strong, .quick-card strong, .stat-value { color: var(--ink); opacity: 1; }
.quick-start { color: var(--ink); font-weight: 700; }
.feedback p, .feedback-title { color: var(--ink); }
.feedback-title span { background: var(--white); color: var(--mint-deep); }
.nav-item, .settings-trigger { color: var(--ink); opacity: .78; }
.nav-item:hover, .settings-trigger:hover, .nav-item.active { opacity: 1; color: var(--ink); }
.eyebrow { color: var(--ink); opacity: .62; }
.accent-eyebrow { color: var(--mint-deep); opacity: 1; }
.plan-empty, .unlimited-note, .voice-hint, .voice-browser-note, .map-caption,
.chart-legend, .progress-date, .keyboard-note { color: var(--ink); opacity: .7; }
.side-stat-row { color: var(--ink); opacity: .75; }
.side-stat-row strong { color: var(--ink); opacity: 1; }

/* Practice strip: revisit facts + switch-it-up quick actions */
.practice-strip { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 17px; }.strip-panel { padding: 20px; }
.strip-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.strip-facts { display: flex; flex-wrap: wrap; gap: 9px; }
.strip-fact-chip { display: inline-flex; align-items: center; gap: 7px; padding: 9px 13px; border-radius: 10px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: .95rem; font-weight: 600; transition: transform .15s, border-color .15s, background .15s; }
.strip-fact-chip:hover { transform: translateY(-2px); border-color: var(--mint-deep); background: var(--mint-soft); }
.strip-fact-chip small { font-family: 'DM Sans', sans-serif; font-size: .56rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.strip-fact-chip.due small { color: var(--coral-ink); }
.strip-fact-chip.growing small { color: var(--sun-ink); }
.strip-empty { margin: 0; color: var(--ink); opacity: .75; font-size: .76rem; line-height: 1.5; }
.strip-action-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.strip-action { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; padding: 13px; border-radius: 11px; border: 1px solid var(--line); background: var(--paper); text-align: left; transition: transform .15s, border-color .15s, background .15s; }
.strip-action:hover { transform: translateY(-2px); border-color: var(--mint-deep); background: var(--mint-soft); }
.strip-action-icon { font-size: 1.05rem; color: var(--mint-deep); }
.strip-action strong { font-size: .76rem; color: var(--ink); }
.strip-action small { color: var(--ink); opacity: .65; font-size: .62rem; }
@media (max-width: 780px) { .practice-strip { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .strip-action-grid { grid-template-columns: repeat(2, 1fr); } }
.setup-group label { color: var(--ink); opacity: .7; }
.panel-heading h3, .settings-card-title { color: var(--ink); }
.settings-card-title { opacity: .62; }
.setting-copy span, .settings-profile-copy span, .settings-foot { color: var(--ink); opacity: .72; }
.setting-copy strong, .settings-profile-copy strong { color: var(--ink); opacity: 1; }
.fact-of-day-card p { color: var(--ink); opacity: .78; }
.fact-of-day-eq { color: var(--lav-ink); }
.calm-note p { color: var(--ink); }
.note-author { color: var(--coral-ink); }
body[data-theme='night'] .art-board,
body[data-theme='ocean'] .art-board,
body[data-theme='dusk'] .art-board { background: var(--white); }
body[data-theme='night'] .home-card,
body[data-theme='ocean'] .home-card,
body[data-theme='dusk'] .home-card { border-color: color-mix(in srgb, var(--ink) 14%, transparent); }

/* v1.5: settings UI cleanup + theme contrast */
.settings-dialog {
  width: min(480px, calc(100% - 24px));
  max-height: min(88vh, 720px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .28);
}
.settings-dialog::backdrop { background: rgba(12, 16, 18, .48); backdrop-filter: blur(3px); }
.settings-dialog .dialog-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.settings-dialog .dialog-head h2 { margin: 6px 0 0; font-size: 1.45rem; color: var(--ink); }
.settings-dialog .close-button {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--paper-deep);
  color: var(--ink);
  font-size: 1.35rem;
  line-height: 1;
}
.settings-dialog .close-button:hover { background: var(--line); }
.settings-body {
  max-height: min(560px, 58vh);
  overflow-y: auto;
  padding: 16px 18px 8px;
  display: grid;
  gap: 12px;
  background: var(--paper);
  color: var(--ink);
}
.settings-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
}
.settings-profile-copy { flex: 1; min-width: 0; }
.settings-profile-copy strong { display: block; font-size: .9rem; color: var(--ink); }
.settings-profile-copy span { display: block; margin-top: 3px; color: var(--muted); font-size: .68rem; line-height: 1.4; }
.settings-card {
  margin: 0;
  padding: 4px 14px 6px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
}
.settings-card-title {
  margin: 12px 0 2px;
  color: var(--muted);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.settings-card .setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.settings-card .setting-row:last-child { border-bottom: 0; }
.setting-copy { min-width: 0; flex: 1; }
.setting-copy strong { display: block; font-size: .8rem; color: var(--ink); font-weight: 700; }
.setting-copy span { display: block; margin-top: 3px; color: var(--muted); font-size: .68rem; line-height: 1.4; }
.setting-block { padding: 12px 0; border-bottom: 1px solid var(--line); }
.setting-block:last-child { border-bottom: 0; }
.setting-block .setting-copy { margin-bottom: 10px; }
.theme-options, .font-options { display: flex; flex-wrap: wrap; gap: 8px; }
.theme-options button, .font-options button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  font-size: .72rem;
  font-weight: 600;
}
.theme-options button:hover, .font-options button:hover {
  border-color: var(--mint-deep);
  background: var(--paper-deep);
}
.theme-options button.active, .font-options button.active {
  border-color: var(--accent-fill);
  background: var(--mint-soft);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-fill) 35%, transparent);
}
.theme-options button.active .font-preview, .font-options button.active .font-preview { color: var(--mint-deep); }
.theme-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  flex: 0 0 auto;
}
.theme-dot-mist { background: linear-gradient(135deg, #f7f5ee, #27705e); }
.theme-dot-sand { background: linear-gradient(135deg, #f6f0e5, #2f6a52); }
.theme-dot-forest { background: linear-gradient(135deg, #eef3e6, #3d6a4e); }
.theme-dot-rosepine { background: linear-gradient(135deg, #faf4ed, #1f5f78); }
.theme-dot-night { background: linear-gradient(135deg, #141c19, #9fd7bd); }
.theme-dot-ocean { background: linear-gradient(135deg, #252b36, #8fd0e0); }
.theme-dot-dusk { background: linear-gradient(135deg, #161722, #9ece6a); }
.font-preview { color: var(--ink); font-family: Fraunces, Georgia, serif; line-height: 1; }
.font-preview-s { font-size: .85rem; }
.font-preview-m { font-size: 1.05rem; }
.font-preview-l { font-size: 1.25rem; }
.theme-preview {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-deep);
}
.tp-window { border: 1px solid var(--line); border-radius: 10px; background: var(--white); overflow: hidden; }
.tp-top { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: var(--paper-deep); }
.tp-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-fill); }
.tp-title { width: 62px; height: 6px; border-radius: 3px; background: var(--ink); opacity: .55; }
.tp-pill { margin-left: auto; width: 30px; height: 10px; border-radius: 99px; background: var(--mint-soft); border: 1px solid var(--line); }
.tp-body { display: grid; gap: 8px; padding: 12px; background: var(--white); }
.tp-line { height: 7px; border-radius: 4px; background: var(--muted); opacity: .5; }
.tp-line.l1 { width: 72%; }
.tp-line.l2 { width: 46%; }
.tp-btn { justify-self: start; padding: 5px 14px; border-radius: 6px; background: var(--accent-fill); color: var(--on-accent); font-size: .6rem; font-weight: 700; }
.tp-card { display: flex; align-items: center; gap: 8px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.tp-accent-bar { width: 42px; height: 8px; border-radius: 4px; background: var(--mint-deep); }
.tp-caption { display: block; margin-top: 8px; color: var(--muted); font-size: .64rem; font-weight: 600; text-align: center; }
.shortcut-list { display: grid; gap: 0; padding: 4px 0 8px; }
.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--ink);
  font-size: .74rem;
}
.shortcut-row:last-child { border-bottom: 0; }
.shortcut-row span { color: var(--ink); }
.shortcut-keys { display: inline-flex; gap: 5px; }
.shortcut-row kbd {
  min-width: 26px;
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--paper-deep);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-size: .64rem;
  font-weight: 700;
  text-align: center;
}
.settings-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 22px 16px;
  border-top: 1px solid var(--line);
  background: var(--white);
  color: var(--muted);
  font-size: .66rem;
}
.settings-foot .danger-link { color: var(--coral-ink); font-weight: 600; }
.small-button {
  min-height: 36px;
  padding: 0 14px;
  border-radius: 9px;
  font-size: .72rem;
  font-weight: 700;
}
.secondary-button {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
}
.secondary-button:hover { background: var(--paper-deep); border-color: var(--mint-deep); color: var(--ink); }
.switch {
  flex: 0 0 auto;
  width: 42px;
  height: 24px;
  padding: 3px;
  border-radius: 99px;
  background: var(--paper-deep);
  border: 1px solid var(--line);
}
.switch span {
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
  transition: transform .2s;
}
.switch.on { background: var(--accent-fill); border-color: transparent; }
.switch.on span { transform: translateX(18px); background: var(--on-accent); }
body[data-theme='night'] .switch span,
body[data-theme='ocean'] .switch span,
body[data-theme='dusk'] .switch span { background: #f4f7f5; }
body[data-theme='night'] .switch.on span,
body[data-theme='ocean'] .switch.on span,
body[data-theme='dusk'] .switch.on span { background: var(--on-accent); }

.nav-item:hover, .settings-trigger:hover { color: var(--ink); background: color-mix(in srgb, var(--ink) 8%, transparent); }
.nav-item.active { color: var(--ink); background: var(--white); box-shadow: var(--shadow-soft); border: 1px solid var(--line); }
.nav-item.active .nav-icon { color: var(--mint-deep); }
.text-button, .quiet-link, .lesson-link { color: var(--mint-deep); }
.eyebrow { color: var(--muted); }
.accent-eyebrow { color: var(--mint-deep); }
.lesson-kicker, .question-kicker { color: var(--mint-deep); }
.answer-input { color: var(--ink); background: var(--white); border-color: var(--line); }
.tiny-control { color: var(--ink); background: var(--white); border-color: var(--line); }
.tiny-control:hover { color: var(--ink); border-color: var(--mint-deep); background: var(--mint-soft); }
.tiny-control.active, [data-session-target].active { color: var(--ink); border-color: var(--accent-fill); background: var(--mint-soft); }
.table-chip { color: var(--ink); background: var(--white); }
.table-chip.active { color: var(--ink); background: var(--mint-soft); border-color: var(--accent-fill); }
.fact-status.ready, .panel-chip, .trend-up { color: var(--mint-deep); }
body[data-theme='night'] .nav-item:hover,
body[data-theme='ocean'] .nav-item:hover,
body[data-theme='dusk'] .nav-item:hover,
body[data-theme='night'] .settings-trigger:hover,
body[data-theme='ocean'] .settings-trigger:hover,
body[data-theme='dusk'] .settings-trigger:hover { background: rgba(255,255,255,.08); }
body[data-theme='night'] .nav-item.active,
body[data-theme='ocean'] .nav-item.active,
body[data-theme='dusk'] .nav-item.active { background: var(--white); color: var(--ink); }

@media (max-width: 520px) {
  .settings-body { max-height: min(62vh, 520px); padding: 12px; }
  .settings-profile { flex-wrap: wrap; }
  .settings-foot { flex-direction: column; align-items: flex-start; }
}

/* v2.1: Fact garden, sticker calendar, records shelf, kindly contract, companion, week keeper, growth journal, new games, lesson quizzes, table explorer, factor trees, chant, worksheet studio, teach-back, pattern banner, recap, family view, nudge, coach, year heat, focus, auto theme, notebook */
.garden-panel, .sticker-panel, .records-panel, .contract-panel, .week-panel, .journal-panel, .explorer-panel, .worksheet-panel, .recap-panel, .family-panel, .year-panel, .focus-panel, .coach-panel { padding: 20px 22px; }
.garden-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 6px; min-width: 520px; margin-top: 14px; }
.garden-cell { display: flex; align-items: center; justify-content: center; aspect-ratio: 1; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--muted); font-family: Fraunces, Georgia, serif; font-size: .66rem; transition: transform .18s, background .2s; }
.garden-cell:hover { transform: translateY(-2px); }
.garden-cell.solid { background: var(--mint-soft); border-color: transparent; }
.garden-plant { --petal: var(--mint-deep); --core: var(--sun); display: block; width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle at 50% 50%, var(--core) 0 24%, transparent 25%), radial-gradient(circle at 50% 10%, var(--petal) 0 28%, transparent 29%), radial-gradient(circle at 50% 90%, var(--petal) 0 28%, transparent 29%), radial-gradient(circle at 10% 50%, var(--petal) 0 28%, transparent 29%), radial-gradient(circle at 90% 50%, var(--petal) 0 28%, transparent 29%); }
.plant-2 { --petal: var(--coral); --core: var(--sun); }
.plant-3 { --petal: var(--lavender); --core: var(--mint); transform: rotate(45deg); }
.plant-4 { --petal: var(--sun); --core: var(--coral); transform: rotate(22deg); }
body[data-season='spring'] .garden-plant { --petal: #d98ba5; --core: var(--sun); }
body[data-season='summer'] .garden-plant { --petal: var(--sun); --core: var(--coral); }
body[data-season='autumn'] .garden-plant { --petal: var(--coral); --core: var(--sun); }
body[data-season='winter'] .garden-plant { --petal: var(--lavender); --core: var(--white); }
.season-quest { display: block; margin-top: 10px; color: var(--muted); font-size: .7rem; }
.season-quest strong { color: var(--mint-deep); }

.sticker-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-top: 14px; }
.sticker-day { display: flex; align-items: center; justify-content: center; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--muted); font-size: .68rem; }
.sticker-day.filled { background: var(--sun-soft); border-color: transparent; color: var(--sun-ink); font-weight: 700; }
.sticker-day.today { outline: 2px solid var(--mint-deep); outline-offset: 1px; }
.sticker-head { aspect-ratio: auto; border: 0; background: transparent; color: var(--muted); font-size: .58rem; font-weight: 700; letter-spacing: .06em; }

.record-shelf { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; margin-top: 14px; }
.record-card { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 84px; padding: 12px 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-deep); text-align: center; }
.record-card strong { color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.3rem; line-height: 1.05; }
.record-card small { color: var(--muted); font-size: .62rem; }
.record-card.new { border-color: var(--mint); animation: recordPulse 1.6s ease-out 2; }
.record-new { display: inline-flex; align-items: center; margin-left: 8px; padding: 2px 8px; border-radius: 99px; background: var(--mint-soft); color: var(--mint-deep); font-size: .6rem; font-weight: 700; }
.record-new.pulse { animation: recordPulse 1.2s ease-out 2; }
@keyframes recordPulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--mint-deep) 32%, transparent); } 100% { box-shadow: 0 0 0 10px transparent; } }

.contract-form { display: grid; gap: 10px; max-width: 420px; margin-top: 14px; }
.contract-fields { display: grid; gap: 10px; }
.contract-fields label { display: block; margin-bottom: 4px; color: var(--muted); font-size: .62rem; font-weight: 700; letter-spacing: .08em; }
.contract-fields input, .contract-fields select { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); font-size: .8rem; padding: 8px 10px; }
.contract-progress { height: 5px; margin-top: 12px; overflow: hidden; border-radius: 5px; background: var(--paper-deep); }
.contract-progress span { display: block; height: 100%; width: 0%; border-radius: inherit; background: var(--mint-deep); transition: width .5s; }
.contract-done { margin-top: 12px; padding: 10px 12px; border-radius: 10px; background: var(--mint-soft); color: var(--mint-deep); font-size: .76rem; font-weight: 600; }

.companion { position: absolute; bottom: 10px; left: -14px; z-index: 3; width: 64px; height: 58px; pointer-events: none; }
.companion-body { position: relative; display: block; width: 52px; height: 46px; margin: 0 auto; border-radius: 50% 50% 44% 44%; background: var(--mint); box-shadow: 0 6px 14px rgba(39, 112, 94, .18); }
.companion-eye { position: absolute; top: 19px; width: 8px; height: 8px; border-radius: 50%; background: var(--ink); }
.companion-eye.eye-l { left: 13px; }
.companion-eye.eye-r { right: 13px; }
.companion-cheek { position: absolute; top: 27px; width: 10px; height: 10px; border-radius: 50%; background: var(--coral); opacity: .7; }
.companion-cheek.cheek-l { left: 8px; }
.companion-cheek.cheek-r { right: 8px; }
.companion-hop, #companion.hop { animation: hop .5s ease; }
@keyframes hop { 0%, 100% { transform: translateY(0); } 35% { transform: translateY(-13px); } 60% { transform: translateY(-6px); } }
.companion-bubble { position: absolute; bottom: 64px; left: -8px; z-index: 4; max-width: 210px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); font-size: .66rem; line-height: 1.4; opacity: 0; transform: translateY(4px); transition: opacity .25s ease, transform .25s ease; pointer-events: none; }
.companion-bubble::after { content: ''; position: absolute; top: 100%; left: 20px; border: 6px solid transparent; border-top-color: var(--paper); }
.companion-bubble.show { opacity: 1; transform: none; }

.week-stones { display: flex; gap: 8px; margin-top: 14px; }
.week-stone { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border: 1px solid var(--line); border-radius: 50%; background: var(--paper-deep); color: var(--muted); font-size: .6rem; }
.week-stone.filled { background: var(--mint-deep); border-color: transparent; color: var(--on-accent); }
.week-stone.today { outline: 2px solid var(--mint-deep); outline-offset: 1px; }
.week-collection { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.week-glyph { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 99px; background: var(--mint-soft); color: var(--mint-deep); font-size: .62rem; font-weight: 700; }

.journal-list { margin-top: 10px; }
.journal-entry { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.journal-entry:last-child { border-bottom: 0; }
.journal-glyph { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 26px; width: 26px; height: 26px; border-radius: 50%; background: var(--mint-soft); color: var(--mint-deep); font-size: .66rem; font-weight: 700; }
.journal-entry strong { display: block; color: var(--ink); font-size: .78rem; font-weight: 600; }
.journal-entry small { display: block; margin-top: 1px; color: var(--muted); font-size: .62rem; }
.journal-empty { margin: 12px 0 2px; color: var(--muted); font-size: .72rem; }

.factor-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; max-width: 460px; margin: 30px auto 0; }
.factor-card { min-height: 54px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.2rem; transition: transform .15s, border-color .15s, background .15s; }
.factor-card:hover { transform: translateY(-2px); border-color: var(--mint); background: var(--mint-soft); color: var(--mint-deep); }
.factor-card:active { transform: scale(.97); }
.stone-pond { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; max-width: 560px; margin: 30px auto 0; }
.stone { display: flex; align-items: center; justify-content: center; width: 54px; height: 54px; border: 1px solid var(--line); border-radius: 50%; background: var(--paper); color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.1rem; transition: transform .15s, background .2s; }
.stone:hover { transform: translateY(-3px); }
.stone.crossed { background: var(--mint-deep); border-color: transparent; color: var(--on-accent); opacity: .55; }
.stone-hint { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin: 16px 0 0; }
.stone-hint span { display: inline-flex; align-items: center; justify-content: center; min-width: 24px; height: 24px; padding: 0 6px; border-radius: 99px; background: var(--paper-deep); color: var(--muted); font-size: .62rem; font-weight: 700; }
.stone-hint span.crossed { background: var(--mint-soft); color: var(--mint-deep); }
.chain-row { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 30px 0 22px; }
.chain-opt { min-height: 50px; padding: 0 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.1rem; transition: transform .15s, border-color .15s; }
.chain-opt:hover { transform: translateY(-2px); border-color: var(--mint); }
.chain-opt:active { transform: scale(.97); }

.lesson-quiz { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.lesson-quiz h4 { margin: 0 0 12px; font-size: .92rem; }
.quiz-equation { margin: 0 0 12px; color: var(--mint-deep); font-family: Fraunces, Georgia, serif; font-size: 1.6rem; }
.quiz-badge { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; margin-left: 8px; border-radius: 50%; background: var(--mint-soft); color: var(--mint-deep); font-size: .6rem; font-weight: 700; }
.lesson-quiz .answer-form { width: min(100%, 300px); }
.lesson-quiz .answer-input { width: 84px; height: 44px; font-size: 1.2rem; }
.lesson-quiz .answer-submit { min-height: 44px; font-size: .7rem; }

.division-note { margin: 0 0 14px; color: var(--muted); font-size: .68rem; }

.explorer-panel { margin-top: 17px; }
.explorer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.explorer-row { display: flex; flex-wrap: wrap; gap: 8px; }
.explorer-cell { display: flex; align-items: center; justify-content: center; width: 56px; height: 56px; padding: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: transparent; font-family: Fraunces, Georgia, serif; font-size: 1.1rem; transition: transform .15s, background .2s, color .2s; }
.explorer-cell:hover { transform: translateY(-2px); }
.explorer-cell.revealed { background: var(--mint-soft); border-color: transparent; color: var(--mint-deep); }
.explorer-expand { margin-top: 14px; }

.factor-tree { display: flex; flex-direction: column; align-items: center; gap: 10px; margin: 18px 0; }
.tree-node { display: inline-flex; align-items: center; justify-content: center; min-width: 46px; padding: 8px 14px; border-radius: 99px; background: var(--mint-soft); color: var(--mint-deep); font-family: Fraunces, Georgia, serif; font-size: 1.2rem; }
.tree-node.prime { background: var(--sun-soft); color: var(--sun-ink); }
.tree-links { width: 2px; height: 18px; background: var(--line); }
.tree-tool { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.chant-line { color: var(--muted); letter-spacing: .05em; font-size: .74rem; }
.chant-button { display: inline-flex; align-items: center; justify-content: center; min-height: 27px; padding: 4px 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--white); color: var(--muted); font-size: .66rem; font-weight: 600; }
.chant-button:hover { border-color: var(--mint); color: var(--mint-deep); }

.worksheet-controls { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.worksheet-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 14px; }
.worksheet-eq { margin: 0; padding: 10px 4px; border-bottom: 1px dashed var(--line); color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.05rem; }
.worksheet-key { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 14px; margin-top: 14px; color: var(--muted); font-size: .68rem; }
.worksheet-print { display: none; }
@media print {
  body.worksheet-printing .page-section { display: none !important; animation: none !important; }
  body.worksheet-printing #section-progress { display: block !important; }
  body.worksheet-printing #section-progress > *:not(.worksheet-print):not(#worksheetPanel) { display: none !important; }
  body.worksheet-printing #worksheetPanel > *:not(.worksheet-print) { display: none !important; }
  body.worksheet-printing #worksheetPanel { border: 0; box-shadow: none; padding: 0; background: none; }
  body.worksheet-printing .worksheet-print, body.worksheet-printing #worksheetPrintHost { display: block !important; }
  .worksheet-print { padding: 16px 0; background: #fff; color: #152722; }
  .worksheet-print .worksheet-eq { color: #152722; border-color: #d5dbd2; }
  .worksheet-print .worksheet-key { color: #3d524b; }
}

.teach-back { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.teach-back > strong { display: block; font-size: .74rem; }
.teach-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.teach-chip { display: inline-flex; align-items: center; justify-content: center; min-height: 27px; padding: 4px 9px; border: 1px solid var(--line); border-radius: 7px; background: var(--white); color: var(--muted); font-size: .66rem; font-weight: 600; }
.teach-chip:hover { border-color: var(--mint); color: var(--mint-deep); }
.teach-chip.active { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }
.teach-input { width: 100%; margin-top: 10px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); font-size: .72rem; font-family: inherit; }

.pattern-banner { margin-top: 12px; padding: 10px 12px; border-radius: 10px; background: var(--coral-soft); color: var(--coral-ink); font-size: .7rem; line-height: 1.45; }

.recap-panel { margin-bottom: 13px; padding: 16px 20px; background: linear-gradient(135deg, var(--mint-soft), var(--white)); }
.recap-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.recap-row + .recap-row { margin-top: 9px; }
.recap-item { color: var(--muted); font-size: .72rem; }
.recap-item strong { color: var(--ink); }
.recap-cta { flex: 0 0 auto; }

.family-list { display: grid; gap: 8px; margin-top: 14px; }
.family-card { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.family-card.current { background: var(--mint-soft); border-color: transparent; }
.family-card-name { flex: 1; min-width: 0; }
.family-card-name strong { display: block; font-size: .8rem; }
.family-card-name small { display: block; margin-top: 2px; color: var(--muted); font-size: .62rem; }
.family-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.family-stats span { display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--muted); font-size: .6rem; }
.family-stats strong { color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1rem; }

.nudge-banner { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 13px; padding: 12px 16px; border-radius: 12px; background: var(--sun-soft); color: var(--sun-ink); font-size: .78rem; }
.nudge-banner .primary-button { margin-left: auto; }
.nudge-dismiss { margin-left: 2px; padding: 4px 8px; background: transparent; color: var(--sun-ink); font-size: 1.05rem; line-height: 1; }
.nudge-dismiss:hover { opacity: .75; }

.coach-panel { padding: 18px 20px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; background: linear-gradient(135deg, var(--lavender-soft), var(--white)); }
.coach-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 40px; width: 40px; height: 40px; border-radius: 50%; background: var(--lavender-soft); color: var(--lav-ink); font-size: 1.1rem; }
.coach-message { margin: 0; color: var(--ink); font-size: .82rem; line-height: 1.5; }
.coach-panel .primary-button { margin-left: auto; }

.year-heat { display: grid; grid-template-columns: repeat(12, 1fr); gap: 6px; margin-top: 14px; }
.year-month { display: flex; flex-direction: column; gap: 3px; }
.year-month label { color: var(--muted); font-size: .58rem; text-align: center; }
.year-cell { aspect-ratio: 1; border-radius: 3px; background: var(--paper-deep); }
.year-cell.l1 { background: var(--mint-soft); }
.year-cell.l2 { background: var(--mint); }
.year-cell.l3 { background: var(--mint-deep); }
.year-legend { display: flex; align-items: center; gap: 10px; margin-top: 10px; color: var(--muted); font-size: .6rem; }
.year-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; background: var(--paper-deep); }
.year-legend i.l1 { background: var(--mint-soft); }
.year-legend i.l2 { background: var(--mint); }
.year-legend i.l3 { background: var(--mint-deep); }

.focus-panel { padding: 20px; }
.focus-overlay { position: fixed; inset: 0; z-index: 70; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 26px; text-align: center; background: color-mix(in srgb, var(--paper) 92%, transparent); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); transition: opacity .3s ease; }
.focus-round { margin: 0; color: var(--mint-deep); font-family: Fraunces, Georgia, serif; font-size: 2.6rem; line-height: 1; }
.focus-summary { width: min(100%, 420px); margin: 0 auto; text-align: center; }
.focus-summary h2 { margin: 8px 0 10px; font-size: 1.6rem; }
.focus-overlay small { color: var(--muted); }
.focus-overlay .primary-button { margin-top: 4px; }

.theme-dot-auto { background: linear-gradient(135deg, #f7f5ee 50%, #18231f 50%); }

.notebook-area { width: 100%; margin-top: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); font-size: .72rem; font-family: inherit; resize: vertical; }
.notebook-area::placeholder { color: var(--muted); opacity: .7; }

body.reduced-motion .companion-hop, body.reduced-motion #companion.hop, body.reduced-motion .record-card.new, body.reduced-motion .record-new.pulse { animation: none !important; }
body.reduced-motion .companion-bubble, body.reduced-motion .focus-overlay { transition: none !important; }
@media (prefers-reduced-motion: reduce) {
  .companion-hop, #companion.hop, .record-card.new, .record-new.pulse { animation: none !important; }
  .companion-bubble, .focus-overlay { transition: none !important; }
}

@media (max-width: 780px) {
  .garden-panel, .year-panel { overflow-x: auto; }
  .garden-grid { min-width: 520px; }
  .sticker-grid { gap: 4px; }
  .sticker-day { font-size: .6rem; }
  .worksheet-grid { grid-template-columns: 1fr; }
  .family-list { grid-template-columns: 1fr; }
  .family-card { flex-wrap: wrap; }
  .family-stats { width: 100%; }
  .year-heat { min-width: 640px; }
  .factor-options { grid-template-columns: repeat(2, 1fr); }
  .stone { width: 44px; height: 44px; font-size: 1rem; }
  .stone-pond { gap: 8px; }
  .companion { left: -4px; }
  .recap-row { flex-wrap: wrap; }
  .coach-panel { align-items: flex-start; flex-direction: column; }
  .coach-panel .primary-button { margin-left: 0; }
  .nudge-banner .primary-button { margin-left: 0; }
  .focus-round { font-size: 2.1rem; }
  .chain-row { gap: 6px; }
}

/* v2.5: Daily hub */
.hub-host { max-width: 980px; }
.hub-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 17px; align-items: start; }
.hub-main-col { display: grid; gap: 13px; }
.hub-hello { padding: 6px 4px 8px; }
.hub-hello h2 { margin: 8px 0 8px; font-size: 1.9rem; }
.hub-lead { margin: 0; color: var(--ink); opacity: .8; font-size: .82rem; line-height: 1.5; }
.hub-plan { padding: 20px; }
.hub-card { padding: 18px 20px; }
.hub-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.hub-note { margin: 0 0 14px; color: var(--ink); opacity: .75; font-size: .74rem; line-height: 1.5; }
.hub-due-list { display: grid; gap: 6px; margin-bottom: 12px; }
.hub-due-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 12px; border-radius: 9px; background: var(--paper); }
.hub-due-eq { font-family: Fraunces, Georgia, serif; font-size: .95rem; color: var(--ink); }
.hub-due-row small { color: var(--ink); opacity: .6; font-size: .62rem; }
.hub-side { display: grid; gap: 13px; align-content: start; }
.hub-stat-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--line); color: var(--ink); opacity: .75; font-size: .72rem; }
.hub-stat-row:last-child { border-bottom: 0; }
.hub-stat-row strong { font-family: Fraunces, Georgia, serif; font-size: 1.05rem; color: var(--ink); opacity: 1; }
.hub-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.hub-jump-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.hub-jump-grid .tiny-control { width: 100%; }
@media (max-width: 780px) { .hub-grid { grid-template-columns: 1fr; } }

.home-lower-grid { grid-template-columns: minmax(0, 1.2fr) minmax(0, .9fr) minmax(210px, .78fr); }
.card-featured { position: relative; background: linear-gradient(150deg, var(--sun-soft), var(--white)) !important; border: 1px solid color-mix(in srgb, var(--sun-ink) 35%, transparent) !important; }
.card-featured .card-icon { color: var(--sun-ink); }
.card-featured-chip { position: absolute; top: 14px; right: 14px; max-width: none !important; padding: 3px 9px; border-radius: 99px; background: var(--sun); color: var(--sun-ink) !important; font-size: .56rem !important; font-weight: 700; letter-spacing: .06em; line-height: 1.2 !important; text-transform: uppercase; }
.nav-item.nav-featured { position: relative; background: var(--sun-soft); color: var(--sun-ink); border: 1px solid color-mix(in srgb, var(--sun-ink) 22%, transparent); box-shadow: var(--shadow-soft); }
.nav-item.nav-featured:hover, .nav-item.nav-featured.active { background: var(--sun-soft); color: var(--sun-ink); }
.nav-item.nav-featured .nav-icon { color: var(--sun-ink); }
.nav-featured-tag { margin-left: auto; padding: 2px 7px; border-radius: 99px; background: var(--sun); color: var(--sun-ink); font-size: .52rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
body.nav-rail .nav-item.nav-featured .nav-featured-tag { display: none; }
body.nav-rail .nav-item.nav-featured { border-color: color-mix(in srgb, var(--sun-ink) 30%, transparent); }
.drawer-backdrop { display: none; }

@media (max-width: 1000px) {
  .home-lower-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .home-side-stack { grid-column: 1 / -1; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  body.drawer-open { overflow: hidden; }
  .drawer-backdrop { position: fixed; inset: 0; z-index: 19; display: none; padding: 0; border: 0; background: rgba(21, 39, 34, .28); backdrop-filter: blur(2px); }
  .sidebar.open + .drawer-backdrop { display: block; }
  .home-lower-grid { grid-template-columns: 1fr; }
  .home-side-stack { grid-column: auto; grid-template-columns: 1fr; }
  .tiny-control { min-height: 34px; padding: 6px 11px; }
  .table-chip { min-width: 34px; min-height: 34px; }
  .voice-layout { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .page-intro { display: block; }
  .page-intro > :last-child { margin-top: 16px; }
  .welcome-art { min-height: 240px; margin: 12px 0 0; transform: none; }
  .art-board { width: min(365px, 100%); }
  .orbit-one { width: min(330px, 100%); }
  .orbit-two { width: min(260px, 100%); }
  .build-dot { width: 24px; height: 24px; }
}

body { background: linear-gradient(180deg, color-mix(in srgb, var(--paper) 82%, var(--mint-soft)) 0, var(--paper) 260px); }
.app-shell { position: relative; }
.sidebar { background: linear-gradient(180deg, var(--paper-deep), color-mix(in srgb, var(--paper-deep) 82%, var(--mint-soft))); box-shadow: 12px 0 34px rgba(40, 58, 49, .035); }
.brand-lockup { padding-bottom: 42px; }
.main-nav { gap: 6px; }
.nav-item, .settings-trigger { border: 1px solid transparent; transition: background .2s, border-color .2s, color .2s, transform .2s; }
.nav-item:hover, .settings-trigger:hover { transform: translateX(2px); }
.nav-item.active { border-color: color-mix(in srgb, var(--mint-deep) 18%, var(--line)); background: var(--white); box-shadow: 0 7px 18px rgba(40, 58, 49, .08); }
.nav-item.active::before { left: 5px; width: 4px; }
.topbar { border-bottom-color: color-mix(in srgb, var(--line) 72%, transparent); box-shadow: 0 5px 20px rgba(40, 58, 49, .035); }
.breadcrumb { letter-spacing: .01em; }
.page-wrap { width: min(1240px, 100%); padding-top: 44px; }
.panel { border-color: color-mix(in srgb, var(--line) 88%, transparent); box-shadow: 0 8px 24px rgba(40, 58, 49, .045); }
.welcome-grid { position: relative; isolation: isolate; min-height: 410px; padding: clamp(30px, 4.5vw, 58px); border: 1px solid color-mix(in srgb, var(--mint-deep) 12%, var(--line)); border-radius: 28px; background: linear-gradient(135deg, var(--white) 0%, color-mix(in srgb, var(--white) 72%, var(--mint-soft)) 100%); box-shadow: 0 18px 42px rgba(40, 58, 49, .07); overflow: hidden; }
.welcome-grid::before { content: ''; position: absolute; z-index: 0; top: -170px; right: -110px; width: 420px; height: 420px; border-radius: 50%; background: var(--mint-soft); opacity: .65; }
.welcome-grid::after { content: ''; position: absolute; z-index: 0; bottom: -170px; left: 35%; width: 340px; height: 260px; border-radius: 50%; background: var(--sun-soft); opacity: .42; transform: rotate(-12deg); }
.welcome-copy { position: relative; z-index: 1; }
.welcome-copy h1 { margin-bottom: 18px; font-size: clamp(2.7rem, 5vw, 4.35rem); }
.welcome-copy .lead { max-width: 510px; }
.welcome-art { min-height: 335px; position: relative; z-index: 1; }
.art-board { border-color: color-mix(in srgb, var(--mint-deep) 14%, var(--line)); box-shadow: 0 22px 48px rgba(40, 58, 49, .13); transform: rotate(2deg); }
.art-board::before { content: ''; position: absolute; top: -10px; left: 33%; width: 82px; height: 20px; border-radius: 3px; background: color-mix(in srgb, var(--sun-soft) 84%, var(--white)); opacity: .82; transform: rotate(-4deg); }
.art-label { border: 1px solid color-mix(in srgb, var(--ink) 7%, transparent); }
.home-quick-stats { gap: 10px; margin-top: 22px; }
.quick-stat-card { min-height: 76px; border-color: transparent; box-shadow: none; }
.quick-stat-card:nth-child(1) { background: var(--mint-soft); }
.quick-stat-card:nth-child(2) { background: var(--sun-soft); }
.quick-stat-card:nth-child(3) { background: var(--coral-soft); }
.quick-stat-card:nth-child(4) { background: var(--lavender-soft); }
.quick-stat-card .quick-stat-icon { background: color-mix(in srgb, var(--white) 52%, transparent); }
.home-heading { margin-top: 62px; }
.home-heading h2 { font-size: 1.65rem; }
.home-cards { gap: 16px; }
.home-card { min-height: 208px; padding: 23px; border-radius: 21px; box-shadow: 0 7px 18px rgba(40, 58, 49, .045); }
.home-card:hover { transform: translateY(-5px); box-shadow: 0 17px 34px rgba(40, 58, 49, .12); }
.card-icon { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; margin: 15px 0 17px; border-radius: 13px; background: color-mix(in srgb, var(--white) 48%, transparent); }
.card-featured .card-icon { background: color-mix(in srgb, var(--sun) 42%, var(--white)); }
.home-lower-grid { gap: 16px; }
.mini-progress-panel, .rhythm-panel, .calm-note, .fact-of-day-card, .review-count-card { border-radius: 21px; }
.mini-progress-panel { padding: 25px; }
.progress-ring { box-shadow: inset 0 0 0 7px var(--white), 0 7px 16px rgba(40, 58, 49, .08); }
.calm-note { border-color: transparent; background: linear-gradient(145deg, var(--sun-soft), var(--white)); }
.fact-of-day-card { box-shadow: 0 8px 20px rgba(40, 58, 49, .05); }
.practice-intro { margin-bottom: 22px; }
.practice-mode-note { padding: 9px 13px; border: 1px solid color-mix(in srgb, var(--mint-deep) 15%, var(--line)); border-radius: 99px; background: var(--white); box-shadow: 0 5px 14px rgba(40, 58, 49, .045); }
.practice-layout { gap: 21px; }
.practice-main { min-height: 500px; position: relative; overflow: hidden; border-color: color-mix(in srgb, var(--mint-deep) 18%, var(--line)); border-radius: 26px; background: radial-gradient(circle at 88% 10%, color-mix(in srgb, var(--mint-soft) 80%, transparent), transparent 34%), linear-gradient(148deg, var(--white), color-mix(in srgb, var(--mint-soft) 78%, var(--white))); box-shadow: 0 17px 38px rgba(40, 58, 49, .09); }
.practice-main .test-progress-row { padding-right: 56px; }
.practice-main::before { content: ''; position: absolute; top: 0; right: 0; left: 0; height: 5px; background: linear-gradient(90deg, var(--mint-deep), var(--mint), var(--sun)); opacity: .8; }
.question-kicker { padding: 6px 10px; border-radius: 99px; background: color-mix(in srgb, var(--white) 58%, transparent); }
.question-number { margin: 30px 0 24px; text-shadow: 0 4px 0 color-mix(in srgb, var(--mint-soft) 62%, transparent); }
.answer-form { margin-top: 4px; }
.answer-input { border-radius: 14px; box-shadow: inset 0 2px 5px rgba(40, 58, 49, .05); }
.answer-submit { border-radius: 14px; box-shadow: 0 7px 15px rgba(21, 39, 34, .15); }
.setup-panel, .practice-stats, .confusion-card { border-radius: 20px; }
.setup-panel { padding: 22px; }
.setup-panel > .panel-heading { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.setup-collapsible { margin-top: 17px; }
.setup-group + .setup-group { margin-top: 20px; padding-top: 17px; border-top: 1px solid color-mix(in srgb, var(--line) 72%, transparent); }
.setup-group label { display: block; margin-bottom: 8px; font-size: .66rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.practice-stats { padding: 21px; }
.practice-stats .eyebrow { margin-bottom: 12px; }
.side-stat-row { padding: 8px 0; border-bottom: 1px dashed color-mix(in srgb, var(--line) 82%, transparent); }
.side-stat-row:last-of-type { border-bottom: 0; }
.confusion-card { background: linear-gradient(145deg, var(--coral-soft), var(--white)); }
.practice-strip { gap: 16px; }
.strip-panel { border-radius: 18px; }
.strip-action { min-height: 82px; padding: 14px; border-radius: 13px; }
.tiny-control { min-height: 31px; }

@media (min-width: 781px) {
  .setup-panel { position: sticky; top: 94px; }
}

@media (max-width: 780px) {
  .welcome-grid { min-height: 0; padding: 28px 22px 10px; border-radius: 24px; }
  .welcome-art { min-height: 300px; }
  .practice-main { min-height: 480px; }
  .setup-panel { padding: 18px; }
}

@media (max-width: 520px) {
  .welcome-grid { padding: 24px 15px 8px; }
  .welcome-copy h1 { font-size: 2.45rem; }
  .welcome-art { min-height: 245px; }
  .home-heading { margin-top: 50px; }
  .home-card { min-height: 184px; padding: 20px; }
  .practice-main { min-height: 470px; border-radius: 21px; }
  .question-number { margin: 25px 0 20px; }
  .practice-mode-note { width: 100%; justify-content: center; }
}

.section-view-tabs { display: inline-flex; gap: 4px; max-width: 100%; margin: 24px 0 20px; padding: 4px; overflow-x: auto; border: 1px solid var(--line); border-radius: 13px; background: color-mix(in srgb, var(--white) 70%, var(--paper-deep)); box-shadow: 0 6px 18px rgba(40, 58, 49, .04); scrollbar-width: none; }
.section-view-tabs::-webkit-scrollbar { display: none; }
.section-view-tabs button { min-height: 38px; padding: 8px 15px; border-radius: 9px; color: var(--muted); font-size: .72rem; font-weight: 700; white-space: nowrap; }
.section-view-tabs button:hover { color: var(--ink); background: color-mix(in srgb, var(--white) 62%, transparent); }
.section-view-tabs button.active { color: var(--ink); background: var(--white); box-shadow: 0 4px 11px rgba(40, 58, 49, .09); }
.home-view-pane, .progress-view-pane { display: grid; gap: 16px; min-width: 0; }
.home-view-pane > .panel, .progress-view-pane > .panel { margin: 0; }

.practice-layout { grid-template-columns: minmax(0, 1fr) 285px; }
.practice-col { display: grid; gap: 17px; min-width: 0; align-content: start; }
.practice-commandbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 13px; min-width: 0; padding: 12px 14px; border-radius: 17px; }
.practice-command-summary { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; min-width: 0; }
.practice-command-summary span { display: inline-flex; align-items: center; min-height: 28px; padding: 5px 9px; border-radius: 99px; background: var(--paper-deep); color: var(--muted); font-size: .64rem; font-weight: 700; white-space: nowrap; }
.practice-commandbar .difficulty-picker { flex: 1; margin: 0; }
.practice-command-actions { display: flex; gap: 7px; }
.practice-commandbar .tiny-control { white-space: nowrap; }
.practice-side { display: grid; gap: 13px; min-width: 0; align-content: start; }
.practice-side .practice-stats { margin-top: 0; }
.setup-panel:not(.setup-open) .setup-collapsible { display: none; }
.practice-setup-trigger { border-color: color-mix(in srgb, var(--mint-deep) 34%, var(--line)); color: var(--mint-deep); }
.tiny-control { min-height: 38px; padding: 7px 11px; }
.table-chip { width: 38px; height: 38px; }
.focus-sets { margin-top: 17px; padding: 14px; border: 1px solid color-mix(in srgb, var(--mint-deep) 16%, var(--line)); border-radius: 13px; background: color-mix(in srgb, var(--mint-soft) 52%, var(--white)); }
.focus-sets-head { display: flex; align-items: center; justify-content: space-between; gap: 9px; }
.focus-sets-head > span { color: var(--muted); font-size: .61rem; font-weight: 800; letter-spacing: .08em; }
.focus-sets .quiet-link { min-height: 34px; }
.focus-sets > p { margin: 9px 0 0; color: var(--muted); font-size: .67rem; line-height: 1.45; }
.focus-set-row { display: grid; grid-template-columns: minmax(0, 1fr) 36px; gap: 6px; margin-top: 8px; }
.focus-set-load { min-width: 0; padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--white); text-align: left; }
.focus-set-load strong, .focus-set-load small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.focus-set-load strong { color: var(--ink); font-size: .7rem; }
.focus-set-load small { margin-top: 2px; color: var(--muted); font-size: .58rem; }
.focus-set-delete { width: 36px; min-height: 36px; border-radius: 9px; background: color-mix(in srgb, var(--coral-soft) 62%, var(--white)); color: var(--coral-ink); }
.confidence-check { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; padding-top: 12px; border-top: 1px solid color-mix(in srgb, var(--mint-deep) 18%, var(--line)); }
.confidence-check > span { flex: 1 0 100%; color: var(--muted); font-size: .64rem; font-weight: 700; }
.confidence-check button { min-height: 38px; padding: 7px 10px; border: 1px solid color-mix(in srgb, var(--mint-deep) 22%, var(--line)); border-radius: 9px; background: color-mix(in srgb, var(--white) 72%, transparent); color: var(--ink); font-size: .64rem; font-weight: 700; }
.confidence-check button:hover, .confidence-check button.active { border-color: var(--mint-deep); background: var(--white); color: var(--mint-deep); }

.mistake-lab { margin-bottom: 17px; padding: 22px; border-color: color-mix(in srgb, var(--coral-ink) 13%, var(--line)); background: linear-gradient(135deg, color-mix(in srgb, var(--coral-soft) 66%, var(--white)), var(--white)); }
.mistake-lab-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.mistake-lab-head h2 { margin: 7px 0 4px; font-size: 1.35rem; }
.mistake-lab-head p { max-width: 650px; margin: 0; color: var(--muted); font-size: .73rem; line-height: 1.5; }
.mistake-lab-mark { display: inline-flex; flex: 0 0 52px; width: 52px; height: 52px; align-items: center; justify-content: center; border-radius: 50%; background: var(--white); color: var(--coral-ink); font-family: Fraunces, Georgia, serif; font-size: 1.4rem; }
.mistake-lab-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 17px; }
.mistake-lab-fact { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 9px; align-items: center; min-height: 54px; padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--coral-ink) 14%, var(--line)); border-radius: 11px; background: color-mix(in srgb, var(--white) 88%, transparent); text-align: left; }
.mistake-lab-fact:hover { border-color: color-mix(in srgb, var(--coral-ink) 44%, var(--line)); transform: translateY(-1px); }
.mistake-lab-fact strong { color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1rem; white-space: nowrap; }
.mistake-lab-fact span { overflow: hidden; color: var(--muted); font-size: .62rem; text-overflow: ellipsis; white-space: nowrap; }
.mistake-lab-fact small { color: var(--coral-ink); font-size: .58rem; white-space: nowrap; }

.mastery-controls { display: grid; gap: 12px; margin-bottom: 16px; }
.mastery-view-toggle { display: inline-flex; justify-self: start; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 11px; background: var(--paper-deep); }
.mastery-view-toggle button { min-height: 36px; padding: 7px 12px; border-radius: 8px; color: var(--muted); font-size: .67rem; font-weight: 700; }
.mastery-view-toggle button[aria-pressed="true"] { color: var(--ink); background: var(--white); box-shadow: 0 4px 10px rgba(40, 58, 49, .08); }
.mastery-table-picker { display: flex; flex-wrap: wrap; gap: 6px; }
.mastery-table-picker button { min-width: 40px; min-height: 40px; padding: 6px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); font-size: .7rem; font-weight: 700; }
.mastery-table-picker button[aria-pressed="true"] { border-color: var(--mint-deep); background: var(--mint-soft); color: var(--mint-deep); }
.mastery-map.lens-active { display: block; min-width: 0; padding: 0; }
.mastery-lens { display: grid; gap: 18px; }
.mastery-lens-title { display: flex; align-items: center; gap: 12px; }
.mastery-lens-title > span { display: inline-flex; width: 52px; height: 52px; align-items: center; justify-content: center; border-radius: 15px; background: var(--mint-soft); color: var(--mint-deep); font-family: Fraunces, Georgia, serif; font-size: 1.25rem; }
.mastery-lens-title strong, .mastery-lens-title small { display: block; }
.mastery-lens-title small { margin-top: 3px; color: var(--muted); font-size: .64rem; }
.mastery-lens-facts { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.mastery-lens-fact { display: grid; gap: 6px; min-height: 104px; padding: 13px; border: 1px solid var(--line); border-radius: 13px; background: var(--paper); text-align: left; }
.mastery-lens-fact:hover { border-color: var(--mint-deep); transform: translateY(-2px); }
.mastery-lens-fact > span { color: var(--muted); font-size: .65rem; }
.mastery-lens-fact > strong { color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.45rem; }
.mastery-lens-fact > small { color: var(--muted); font-size: .58rem; }
.mastery-lens-fact.growing { background: var(--sun-soft); }
.mastery-lens-fact.mastered { border-color: color-mix(in srgb, var(--mint-deep) 22%, var(--line)); background: var(--mint-soft); }

body.practice-focus-view .sidebar, body.practice-focus-view .topbar, body.practice-focus-view .practice-intro, body.practice-focus-view .practice-side, body.practice-focus-view .practice-strip { display: none; }
body.practice-focus-view .main-content { width: 100%; }
body.practice-focus-view .page-wrap { width: min(920px, 100%); padding-top: 28px; }
body.practice-focus-view .practice-layout { grid-template-columns: 1fr; grid-template-areas: "command" "main"; }
body.practice-focus-view .practice-col { display: contents; }
body.practice-focus-view .practice-commandbar { grid-area: command; }
body.practice-focus-view .practice-main { grid-area: main; }
body.practice-focus-view .practice-commandbar { position: sticky; z-index: 5; top: 10px; }
body.practice-focus-view .practice-main { min-height: calc(100vh - 150px); }

@media (max-width: 1000px) {
  .practice-layout { grid-template-columns: minmax(0, 1fr) 260px; }
  .practice-commandbar { flex-wrap: wrap; }
  .practice-command-summary { flex: 1 1 auto; }
  .practice-commandbar .difficulty-picker { order: 3; flex-basis: 100%; }
  .mistake-lab-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mastery-lens-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  .section-view-tabs { display: flex; width: 100%; }
  .section-view-tabs button { flex: 1 0 auto; min-height: 44px; }
  .icon-button, .mobile-menu, .close-button { width: 44px; height: 44px; }
  .practice-layout { grid-template-columns: 1fr; grid-template-areas: "command" "main" "side" "strip"; gap: 13px; }
  .practice-col { display: contents; }
  .practice-commandbar { grid-area: command; }
  .practice-main { grid-area: main; }
  .practice-side { grid-area: side; }
  .practice-strip { grid-area: strip; }
  .practice-commandbar { position: sticky; z-index: 4; top: 8px; padding: 10px; }
  .practice-commandbar .difficulty-picker { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
  .practice-side { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
  .setup-panel { grid-column: 1 / -1; position: static; }
  .setup-panel:not(.setup-open) .setup-collapsible { display: none; }
  .practice-command-actions .tiny-control, .practice-commandbar .difficulty-chip { min-height: 44px; }
  .tiny-control, .quiet-link, .next-button, .try-again-button, .game-restart, .lesson-link, .guide-toggle, .chant-button, .small-button, .quick-start { min-height: 44px; }
  .session-picks .tiny-control { min-width: 44px; }
  .table-chip { width: 44px; height: 44px; }
  .confidence-check button { flex: 1 1 120px; min-height: 44px; }
  .mistake-lab-head { align-items: flex-start; }
  .mastery-lens-fact { min-height: 112px; }
  body.practice-focus-view .page-wrap { padding: 16px; }
  body.practice-focus-view .practice-commandbar { top: 6px; }
  body.practice-focus-view .practice-main { min-height: calc(100vh - 128px); }
}

@media (max-width: 520px) {
  .section-view-tabs { margin-top: 19px; }
  .practice-command-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; }
  .practice-command-summary span { justify-content: center; overflow: hidden; text-overflow: ellipsis; }
  .practice-command-actions { width: 100%; }
  .practice-command-actions .tiny-control { flex: 1; }
  .practice-commandbar .difficulty-picker { display: grid; grid-template-columns: repeat(3, 1fr); }
  .practice-side { grid-template-columns: 1fr; }
  .setup-panel { grid-column: auto; }
  .practice-main { min-height: 430px; padding: 27px 14px; }
  .practice-main .test-progress-row { padding-right: 46px; }
  .question-number { font-size: clamp(3.7rem, 19vw, 5.25rem); }
  .answer-form { align-items: stretch; }
  .answer-input { height: 58px; }
  .answer-submit { min-height: 58px; }
  .feedback { padding: 15px; }
  .mistake-lab { padding: 18px 15px; }
  .mistake-lab-head { display: grid; }
  .mistake-lab-head .primary-button { width: 100%; }
  .mistake-lab-mark { display: none; }
  .mistake-lab-grid { grid-template-columns: 1fr; }
  .mastery-controls > strong { font-size: .78rem; }
  .mastery-table-picker { display: grid; grid-template-columns: repeat(5, 1fr); }
  .mastery-table-picker button { min-height: 44px; }
  .mastery-lens-facts { grid-template-columns: 1fr 1fr; }
  .mastery-lens-fact { min-height: 108px; }
}

/* Overlap repairs: keep text clear of other text and controls at every size. */
.card-featured .card-number { padding-right: 68px; }
.progress-summary { min-width: 0; }
.goal-target-picks { flex-wrap: wrap; }
.welcome-copy { z-index: 2; }
.nudge-window-picks { display: flex; align-items: center; gap: 6px; }
.nudge-sep { color: var(--muted); font-size: .68rem; }
.garden-panel, .year-panel { overflow-x: auto; }
.settings-dialog { display: flex; flex-direction: column; overflow: hidden; }
.settings-body { flex: 1 1 auto; min-height: 0; }
.fact-helper { margin: 16px auto 18px; }
.map-cell { padding-top: 10px; }
.map-check { top: 2px; right: 3px; }
.practice-main .test-progress-row { padding-right: 62px; }
.review-quote { line-height: 1; }
.lesson-tab { grid-template-columns: 28px 1fr auto auto; }
.voice-run-head { flex-wrap: wrap; }
.voice-run-panel { position: relative; padding: 12px 8px 64px; }
.voice-feedback { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); margin-top: 0; }
.focus-overlay { overflow-y: auto; justify-content: flex-start; }
.focus-overlay > * { flex: 0 0 auto; margin-top: auto; margin-bottom: auto; }
.quick-tables-chip { margin-left: 8px; }
.voice-answer-form { margin: 14px auto 0; }
.tree-links { position: relative; }
.tree-links::before { content: ''; position: absolute; top: 0; left: -10px; right: -10px; height: 2px; background: var(--line); }
@media (max-width: 780px) {
  .practice-commandbar { top: 73px; }
  .sidebar { overflow-y: auto; -webkit-overflow-scrolling: touch; }
}
@media (max-width: 520px) {
  .label-top { top: -8px; left: 10px; }
  .label-bottom { bottom: -10px; right: 10px; }
  .focus-chip { align-self: flex-start; max-width: calc(100% - 58px); }
  .companion-bubble { display: none; }
  .session-principles { grid-template-columns: 1fr; gap: 10px; }
  .quick-summary-stats { grid-template-columns: 1fr; gap: 8px; }
  .path-options { flex-wrap: wrap; }
  .path-options button { min-width: 76px; }
  .path-visual, .chain-row { gap: 6px; }
  .path-visual .path-arrow, .chain-row .path-arrow { display: none; }
  .mastery-chart { gap: 3px; }
  .mastery-column { gap: 5px; }
  .mastery-column label { font-size: .56rem; }
  .practice-main .test-progress-row { padding-right: 58px; }
  .report-sheet { padding: 18px 14px; }
  .report-stats { grid-template-columns: 1fr; gap: 8px; }
  .worksheet-head { flex-direction: column; align-items: stretch; gap: 12px; }
  .worksheet-actions { display: grid; grid-template-columns: 1fr; gap: 8px; }
  .worksheet-actions .small-button { width: 100%; }
  .review-session .question-number { line-height: 1.05; }
  .build-grid { grid-template-columns: repeat(var(--build-cols, 5), minmax(0, 1fr)); }
  .build-dot { width: auto; }
}

/* v3.6: legible font, flashcards, certificates, printable cards & bingo */
body[data-font="legible"] { font-family: 'Atkinson Hyperlegible', 'DM Sans', system-ui, sans-serif; letter-spacing: .012em; }
body[data-font="legible"] h1, body[data-font="legible"] h2, body[data-font="legible"] h3,
body[data-font="legible"] .question-number, body[data-font="legible"] .stat-value, body[data-font="legible"] .fact-equation,
body[data-font="legible"] .quiz-equation, body[data-font="legible"] .lesson-detail h2, body[data-font="legible"] .visual-equation,
body[data-font="legible"] .board-answer strong, body[data-font="legible"] .quick-duration, body[data-font="legible"] .running-timer,
body[data-font="legible"] .match-card, body[data-font="legible"] .path-node, body[data-font="legible"] .tower-block,
body[data-font="legible"] .voice-question, body[data-font="legible"] .focus-round, body[data-font="legible"] .game-done-score,
body[data-font="legible"] .mastery-lens-fact strong, body[data-font="legible"] .level-now h2, body[data-font="legible"] .calm-note p,
body[data-font="legible"] .note-mark, body[data-font="legible"] .flash-face, body[data-font="legible"] .review-quote { font-family: 'Atkinson Hyperlegible', 'DM Sans', system-ui, sans-serif; letter-spacing: .01em; }

.flash-panel { margin-top: 17px; padding: 24px; }
.flash-copy { margin: 0 0 14px; color: var(--muted); font-size: .74rem; line-height: 1.5; }
.flashcard { display: block; width: min(100%, 430px); margin: 18px auto 0; padding: 0; border: 0; background: transparent; cursor: pointer; }
.flash-face { display: flex; align-items: center; justify-content: center; gap: 7px; min-height: 220px; padding: 22px; border: 1px solid color-mix(in srgb, var(--mint-deep) 24%, var(--line)); border-radius: 18px; background: linear-gradient(148deg, var(--white), var(--mint-soft)); font-family: Fraunces, Georgia, serif; font-size: clamp(2.2rem, 7vw, 3rem); font-weight: 600; letter-spacing: -.03em; box-shadow: 0 14px 30px rgba(40, 58, 49, .08); transition: background .25s; }
.flash-face span { color: var(--muted); font-size: .72em; font-family: 'DM Sans', sans-serif; font-weight: 500; }
.flash-face.flash-back { border-color: color-mix(in srgb, var(--sun-ink) 26%, var(--line)); background: linear-gradient(148deg, var(--white), var(--sun-soft)); color: var(--sun-ink); }
.flashcard:hover .flash-face { border-color: var(--mint-deep); }
.flash-hint { margin: 12px 0 0; text-align: center; color: var(--muted); font-size: .72rem; }
.flash-actions { justify-content: center; margin-top: 14px; }
.flash-summary { text-align: center; }
.flash-summary .flash-score { font-family: Fraunces, Georgia, serif; font-size: 2rem; color: var(--ink); }

.certificate-print { padding: 30px 16px; background: #fff; color: #152722; text-align: center; }
.cert-border { max-width: 580px; margin: 0 auto; padding: 36px 26px; border: 6px double #2d6858; border-radius: 16px; }
.cert-kicker { color: #2d6858; font-size: .66rem; font-weight: 700; letter-spacing: .24em; }
.certificate-print h2 { margin: 10px 0 12px; font-size: 2.3rem; color: #152722; }
.cert-name { margin: 14px 0 6px; font-size: 1.9rem; font-weight: 700; }
.cert-facts { max-width: 470px; margin: 18px auto 14px; color: #3d524b; font-size: .8rem; line-height: 1.9; }
.cert-date { margin: 10px 0 0; color: #3d524b; font-size: .78rem; }

.fact-cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.fact-card-print { display: flex; align-items: center; gap: 8px; min-height: 74px; padding: 10px; border: 1px solid #d5dbd2; border-radius: 9px; background: #fff; }
.fact-card-print .fc-eq { flex: 1; font-size: 1.05rem; font-weight: 700; color: #152722; }
.fact-card-print .fc-answer { padding-left: 10px; border-left: 1px dashed #9aa89e; color: #2d6858; font-size: 1.15rem; font-weight: 700; }
.fc-note { margin-top: 14px; color: #3d524b; font-size: .72rem; }

.bingo-boards { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 18px; }
.bingo-board { display: grid; grid-template-columns: repeat(3, 1fr); overflow: hidden; border: 2px solid #152722; border-radius: 9px; background: #fff; }
.bingo-cell { display: flex; align-items: center; justify-content: center; min-height: 76px; border: 1px solid #c9d2c9; color: #152722; font-size: 1.35rem; font-weight: 700; }
.bingo-board-label { margin: 10px 0 0; text-align: center; color: #3d524b; font-size: .72rem; }
.bingo-caller { margin-top: 22px; padding-top: 14px; border-top: 1px dashed #9aa89e; columns: 2; column-gap: 26px; color: #152722; font-size: .82rem; line-height: 1.9; }
.bingo-caller-head { column-span: all; margin-bottom: 6px; color: #2d6858; font-weight: 700; font-size: .7rem; letter-spacing: .12em; }
.quick-card.flash-card-entry { background: var(--mint-soft); border-color: transparent; }
.quick-card.flash-card-entry .flash-mark { color: var(--mint-deep); }
.certificates-panel { padding: 20px 22px; }
@media (min-width: 521px) { .worksheet-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; } }