:root {
  --ink: #17243c;
  --muted: #68758a;
  --line: #dce3ec;
  --paper: #f6f7f3;
  --white: #ffffff;
  --navy: #263c67;
  --indigo: #5969d8;
  --violet: #7968d8;
  --mint: #95d6c1;
  --coral: #ff8c72;
  --cream: #f4efe4;
  --shadow: 0 20px 55px rgba(39, 54, 84, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 1100px; overflow-x: hidden; background: var(--paper); color: var(--ink); font-family: "DM Sans", sans-serif; }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 3px solid rgba(89, 105, 216, .3); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
.app-shell { min-height: 100vh; }
.page-view { animation: page-in .35s ease both; }
@keyframes page-in { from { opacity: 0; transform: translateY(5px); } }

.topbar { height: 74px; display: flex; align-items: center; padding: 0 30px; background: rgba(255, 255, 255, .94); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(16px); }
.brand { border: 0; background: transparent; display: flex; align-items: center; gap: 11px; color: var(--ink); font: 700 20px/1 "Manrope", sans-serif; padding: 0; }
.brand b { color: var(--indigo); }
.brand-mark { width: 34px; height: 34px; border-radius: 11px 11px 11px 3px; display: grid; place-items: center; color: white; background: linear-gradient(145deg, var(--navy), var(--violet)); box-shadow: 0 7px 18px rgba(89, 105, 216, .28); }
.main-nav { margin-left: 78px; display: flex; height: 100%; gap: 8px; }
.nav-link { position: relative; border: 0; background: transparent; color: #778296; font-size: 13px; font-weight: 700; padding: 0 15px; }
.nav-link.active { color: var(--navy); }
.nav-link.active::after { content: ""; position: absolute; bottom: 0; left: 14px; right: 14px; height: 3px; border-radius: 3px 3px 0 0; background: var(--indigo); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 13px; }
.streak { background: #fff5df; color: #9b6710; padding: 9px 13px; border-radius: 20px; font-weight: 700; font-size: 13px; }
.icon-button, .profile { border: 1px solid var(--line); background: white; color: var(--navy); display: grid; place-items: center; }
.icon-button { width: 38px; height: 38px; border-radius: 50%; }
.profile { width: 39px; height: 39px; border-radius: 12px; background: var(--navy); color: white; font-weight: 700; }

.eyebrow { color: #7c8798; font-size: 10px; font-weight: 800; letter-spacing: .15em; }
.primary-button, .secondary-button { border-radius: 11px; padding: 13px 17px; font-weight: 800; font-size: 13px; }
.primary-button { border: 0; background: var(--navy); color: white; box-shadow: 0 8px 20px rgba(38, 60, 103, .2); }
.primary-button span { margin-left: 14px; }
.secondary-button { border: 1px solid var(--line); background: white; color: var(--navy); }
.text-button { border: 0; background: transparent; color: var(--indigo); font-weight: 800; }

.loading-view, .error-view { min-height: calc(100vh - 74px); display: grid; place-content: center; text-align: center; color: var(--muted); }
.loading-orbit { width: 46px; height: 46px; border: 3px solid #e2e6ef; border-top-color: var(--indigo); border-radius: 50%; margin: 0 auto; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Dashboard */
.dashboard, .courses-page, .review-page { width: min(1220px, calc(100% - 56px)); margin: 0 auto; padding: 42px 0 70px; }
.dashboard-hero { min-height: 335px; border-radius: 28px; padding: 48px 55px; color: white; background: radial-gradient(circle at 77% 32%, rgba(149, 214, 193, .25), transparent 25%), linear-gradient(125deg, #1d2f54 0%, #354f82 58%, #5666a6 100%); display: grid; grid-template-columns: 1.25fr .75fr; overflow: hidden; box-shadow: 0 26px 60px rgba(32, 50, 85, .18); }
.dashboard-hero .eyebrow { color: #aebce1; }
.dashboard-hero h1 { font: 800 44px/1.08 "Manrope", sans-serif; margin: 13px 0 16px; letter-spacing: -.03em; }
.dashboard-hero p { color: #d6dff0; max-width: 590px; font-size: 16px; line-height: 1.65; margin: 0; }
.hero-actions { display: flex; gap: 10px; margin-top: 27px; }
.dashboard-hero .primary-button { background: #fff; color: var(--navy); }
.dashboard-hero .secondary-button { border-color: rgba(255, 255, 255, .2); color: white; background: rgba(255, 255, 255, .08); }
.hero-visual { position: relative; min-height: 240px; display: grid; place-items: center; }
.hero-score { width: 154px; height: 154px; border: 1px solid rgba(255, 255, 255, .5); border-radius: 50%; display: grid; place-content: center; text-align: center; background: rgba(255, 255, 255, .12); backdrop-filter: blur(10px); box-shadow: 0 0 0 15px rgba(255, 255, 255, .04), 0 20px 50px rgba(9, 19, 42, .22); z-index: 2; }
.hero-score span { font: 800 54px/1 "Manrope", sans-serif; }
.hero-score small { color: #cbd5ed; font-size: 9px; letter-spacing: .17em; margin-top: 8px; }
.orbit { position: absolute; border: 1px solid rgba(255, 255, 255, .17); border-radius: 50%; }
.orbit-one { width: 265px; height: 265px; }.orbit-two { width: 370px; height: 190px; transform: rotate(-18deg); }
.topic-chip { position: absolute; z-index: 3; background: #fff; color: var(--navy); border-radius: 99px; padding: 8px 12px; font-size: 10px; font-weight: 800; box-shadow: 0 10px 30px rgba(12, 27, 56, .25); }
.chip-one { top: 23px; right: 30px; }.chip-two { left: 15px; top: 118px; }.chip-three { bottom: 12px; right: 53px; }
.dashboard-grid { display: grid; grid-template-columns: 1.55fr .8fr; gap: 18px; margin-top: 22px; }
.dashboard-panel { background: white; border: 1px solid var(--line); border-radius: 22px; padding: 27px; box-shadow: 0 10px 30px rgba(39, 54, 84, .06); }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.panel-heading h2, .stats-panel h2, .review-method h2 { margin: 6px 0 0; font: 700 21px/1.3 "Manrope", sans-serif; }
.review-badge { background: #eaf7f1; color: #317760; border-radius: 99px; padding: 7px 10px; font-size: 9px; font-weight: 800; }
.study-loop { display: grid; margin-top: 18px; }
.study-item { width: 100%; border: 0; border-top: 1px solid #edf0f4; background: transparent; padding: 14px 6px; display: grid; grid-template-columns: 32px 43px 1fr 28px; align-items: center; gap: 12px; text-align: left; color: var(--ink); }
.study-item.next { background: #f7f8ff; border-radius: 13px; padding-left: 12px; padding-right: 12px; border-top-color: transparent; }
.study-number { color: #99a3b2; font-size: 10px; font-weight: 800; }
.study-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: color-mix(in srgb, var(--course-color) 13%, white); color: var(--course-color); font-size: 19px; }
.study-item small, .study-item b { display: block; }.study-item small { color: #8994a5; font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }.study-item b { margin-top: 4px; font-size: 13px; }.study-arrow { color: var(--indigo); font-weight: 800; }
.stats-panel { display: flex; flex-direction: column; }
.week-bars { height: 145px; display: flex; align-items: end; gap: 12px; border-bottom: 1px solid var(--line); margin: 24px 0 30px; padding: 0 6px; }
.week-bars i { flex: 1; min-height: 12px; max-width: 24px; border-radius: 7px 7px 0 0; background: #dce2ed; position: relative; }
.week-bars i.today { background: linear-gradient(var(--violet), var(--indigo)); }.week-bars i span { position: absolute; bottom: -23px; left: 50%; transform: translateX(-50%); color: #909aa8; font: normal 9px "DM Sans"; }
.metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.metric-row div { text-align: center; border-right: 1px solid var(--line); }.metric-row div:last-child { border: 0; }.metric-row b, .metric-row span { display: block; }.metric-row b { font: 800 22px "Manrope"; }.metric-row span { color: var(--muted); font-size: 9px; }
.course-preview { margin-top: 42px; }.course-preview .panel-heading { margin-bottom: 17px; }.course-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.course-card { --course-color: var(--indigo); min-height: 100px; border: 1px solid var(--line); border-top: 4px solid var(--course-color); border-radius: 17px; background: white; padding: 17px; display: grid; grid-template-columns: 45px 1fr auto; align-items: center; gap: 12px; text-align: left; color: var(--ink); transition: .18s ease; }
.course-card:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(39, 54, 84, .09); }
.course-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; background: color-mix(in srgb, var(--course-color) 12%, white); color: var(--course-color); font-size: 20px; }
.course-card-copy small, .course-card-copy b, .course-card-copy span { display: block; }.course-card-copy small { color: #8b95a5; font-size: 8px; font-weight: 800; letter-spacing: .07em; }.course-card-copy b { font: 700 14px "Manrope"; margin: 4px 0 3px; }.course-card-copy span { color: var(--muted); font-size: 9px; }
.readiness-number { color: var(--course-color); font: 800 21px "Manrope"; text-align: center; }.readiness-number small { display: block; color: #9aa3af; font: 800 7px "DM Sans"; text-transform: uppercase; }

/* Curriculum */
.page-header { min-height: 180px; display: flex; align-items: end; justify-content: space-between; gap: 28px; padding: 12px 8px 34px; }
.page-header.compact { min-height: 150px; }.page-header h1 { font: 800 40px/1.1 "Manrope"; margin: 8px 0 10px; }.page-header p { max-width: 670px; color: var(--muted); line-height: 1.6; margin: 0; }
.coverage-stat { display: grid; grid-template-columns: auto auto; column-gap: 8px; align-items: baseline; padding: 18px 21px; background: white; border: 1px solid var(--line); border-radius: 16px; }.coverage-stat b { color: var(--indigo); font-size: 25px; }.coverage-stat span { color: var(--muted); font-size: 10px; }
.exam-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 17px; overflow: hidden; margin-bottom: 22px; }.exam-strip div { background: white; padding: 15px 18px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; }.exam-strip b { color: var(--indigo); font-size: 22px; }.exam-strip span { font-size: 10px; font-weight: 800; }.exam-strip small { color: var(--muted); font-size: 9px; }
.curriculum-layout { display: grid; grid-template-columns: 285px 1fr; gap: 18px; align-items: start; }
.course-tabs { display: grid; gap: 7px; position: sticky; top: 94px; }.course-tab { --course-color: var(--indigo); border: 1px solid transparent; border-radius: 14px; background: transparent; padding: 12px; display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 10px; color: var(--ink); text-align: left; }.course-tab > span:first-child { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; color: var(--course-color); background: color-mix(in srgb, var(--course-color) 11%, white); font-size: 18px; }.course-tab b, .course-tab small { display: block; }.course-tab b { font-size: 12px; }.course-tab small { color: var(--muted); font-size: 8px; margin-top: 3px; }.course-tab i { color: var(--course-color); font: normal 800 12px "DM Sans"; }.course-tab.active { background: white; border-color: var(--line); box-shadow: inset 3px 0 var(--course-color), 0 8px 24px rgba(39, 54, 84, .06); }
.curriculum-detail { border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: white; box-shadow: 0 12px 35px rgba(39, 54, 84, .06); }
.curriculum-hero { --course-color: var(--indigo); min-height: 155px; padding: 30px; display: flex; align-items: center; justify-content: space-between; background: linear-gradient(130deg, color-mix(in srgb, var(--course-color) 13%, white), white); border-bottom: 1px solid var(--line); }.curriculum-hero .eyebrow { color: var(--course-color); }.curriculum-hero h2 { font: 800 30px "Manrope"; margin: 6px 0; }.curriculum-hero p { color: var(--muted); margin: 0; }.curriculum-actions { display: flex; align-items: center; gap: 13px; }.readiness-pill { text-align: center; }.readiness-pill b, .readiness-pill span { display: block; }.readiness-pill b { color: var(--course-color); font-size: 28px; }.readiness-pill span { color: var(--muted); font-size: 8px; }
.module-list { padding: 13px 26px 26px; }.module { border-bottom: 1px solid var(--line); }.module:last-child { border-bottom: 0; }.module summary { list-style: none; min-height: 70px; display: grid; grid-template-columns: 34px 1fr 20px; align-items: center; gap: 12px; cursor: pointer; }.module summary::-webkit-details-marker { display: none; }.module summary > span:first-child { color: #9aa4b3; font-size: 10px; font-weight: 800; }.module summary b, .module summary small { display: block; }.module summary b { font: 700 14px "Manrope"; }.module summary small { color: var(--muted); font-size: 9px; margin-top: 4px; }.module summary i { font-style: normal; color: var(--indigo); }.module[open] summary i { transform: rotate(45deg); }.module-body { padding: 0 0 21px 46px; display: flex; flex-wrap: wrap; gap: 7px; }.module-body > span { padding: 6px 9px; border-radius: 99px; background: #f2f4f8; color: #68758a; font-size: 9px; font-weight: 700; }.module-body > button { width: 100%; margin-top: 8px; border: 1px solid #dbe0ef; border-radius: 12px; background: #f8f9ff; padding: 13px 15px; display: grid; grid-template-columns: 1fr auto; text-align: left; color: var(--ink); }.module-body > button b, .module-body > button small { display: block; }.module-body > button b { font-size: 12px; }.module-body > button small { color: var(--muted); font-size: 9px; margin-top: 3px; }.module-body > button span { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--indigo); font-weight: 800; }.module-body > p { width: 100%; color: #8b95a4; font-size: 10px; margin: 7px 0 0; }

/* Review */
.review-layout { display: grid; grid-template-columns: 1.4fr .8fr; gap: 18px; }.review-card { --course-color: var(--indigo); width: 100%; display: grid; grid-template-columns: 12px 1fr 24px; gap: 12px; align-items: center; border: 0; border-top: 1px solid var(--line); background: transparent; padding: 17px 5px; color: var(--ink); text-align: left; }.review-card:first-of-type { margin-top: 16px; }.review-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--course-color); box-shadow: 0 0 0 5px color-mix(in srgb, var(--course-color) 12%, white); }.review-card small, .review-card b { display: block; }.review-card small { color: var(--course-color); font-size: 8px; font-weight: 800; text-transform: uppercase; }.review-card b { margin-top: 4px; }.review-card p { color: var(--muted); font-size: 11px; margin: 5px 0 0; }.review-card i { color: var(--indigo); font-style: normal; font-weight: 800; }.review-method ol { list-style: none; padding: 0; margin: 19px 0 0; counter-reset: method; }.review-method li { counter-increment: method; display: grid; grid-template-columns: 30px 1fr; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); }.review-method li::before { content: counter(method); width: 27px; height: 27px; border-radius: 9px; display: grid; place-items: center; background: #edf0ff; color: var(--indigo); font-size: 10px; font-weight: 800; }.review-method b, .review-method span { display: block; }.review-method b { font-size: 12px; }.review-method span { color: var(--muted); font-size: 10px; margin-top: 2px; }

/* Classroom */
.classroom-shell { min-height: calc(100vh - 74px); display: grid; grid-template-columns: 190px minmax(0, 1fr); position: relative; }
.lesson-sidebar, .insights-sidebar { background: #fbfcfa; padding: 22px 17px; }.lesson-sidebar { position: sticky; top: 74px; align-self: start; height: calc(100vh - 74px); overflow-y: auto; border-right: 1px solid var(--line); }.insights-sidebar { position: fixed; z-index: 42; top: 74px; right: 0; bottom: 0; width: min(340px, 88vw); overflow-y: auto; border-left: 1px solid var(--line); box-shadow: -24px 0 70px rgba(31, 43, 72, .16); transform: translateX(105%); visibility: hidden; transition: transform .25s ease, visibility .25s ease; }
body.insights-open .insights-sidebar { transform: translateX(0); visibility: visible; }
.sidebar-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: -3px 0 19px; color: var(--navy); font: 800 11px "Manrope"; letter-spacing: .04em; text-transform: uppercase; }.panel-close { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--muted); font-size: 20px; line-height: 1; }.lesson-sidebar .panel-close { display: none; }
.workspace-backdrop { position: fixed; z-index: 40; inset: 0; border: 0; background: rgba(23, 36, 60, .28); backdrop-filter: blur(2px); }.workspace-backdrop[hidden] { display: none; }
.back-link { border: 0; background: transparent; padding: 0; color: var(--indigo); font-size: 10px; font-weight: 800; }
.course-title { margin-top: 28px; }.course-title h1 { font: 700 19px/1.25 "Manrope"; margin: 8px 0 14px; }.course-progress, .mastery-progress { height: 6px; border-radius: 99px; background: #e6eaf0; overflow: hidden; }.course-progress span, .mastery-progress span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--indigo), var(--violet)); transition: width .45s ease; }.course-title > p { font-size: 10px; color: var(--muted); margin: 7px 0 23px; }
.lesson-list { display: grid; gap: 7px; }.lesson { width: 100%; border: 0; background: transparent; border-radius: 13px; padding: 10px 8px; display: grid; grid-template-columns: 28px 1fr; gap: 9px; text-align: left; color: var(--ink); cursor: default; }.lesson > span:first-child { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 800; border: 1px solid #ccd4df; }.lesson b, .lesson small { display: block; }.lesson b { font-size: 11px; margin-bottom: 3px; }.lesson small { color: #8b96a6; font-size: 9px; }.lesson.done > span:first-child { color: #247a63; background: #dff4ec; border: 0; }.lesson.active { background: #edf0ff; box-shadow: inset 3px 0 var(--indigo); }.lesson.active > span:first-child { background: var(--indigo); border-color: var(--indigo); color: white; }.lesson.locked { opacity: .55; }
.readiness-card { margin-top: 28px; padding: 13px; border: 1px solid var(--line); background: white; border-radius: 15px; display: flex; align-items: center; gap: 9px; }.ring { --readiness: 220deg; width: 45px; height: 45px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--mint) var(--readiness), #e8edf0 0); position: relative; }.ring::after { content: ""; position: absolute; inset: 5px; background: white; border-radius: 50%; }.ring span { z-index: 1; font-weight: 800; font-size: 12px; }.readiness-card b { font-size: 10px; }.readiness-card p { margin: 4px 0 0; font-size: 8px; color: var(--muted); }
.classroom { padding: 18px 18px 12px; max-width: 1280px; width: 100%; margin: 0 auto; }.lesson-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 12px; }.lesson-heading h2 { font: 700 21px/1.2 "Manrope"; margin: 4px 0 0; }.lesson-heading-actions { display: flex; align-items: center; justify-content: flex-end; gap: 7px; flex: 0 0 auto; }.panel-button, .leave-button { min-height: 36px; border: 1px solid var(--line); border-radius: 10px; padding: 8px 11px; background: white; color: var(--muted); font-weight: 700; font-size: 10px; }.panel-button { color: var(--navy); }.panel-button span { margin-right: 4px; color: var(--indigo); }.panel-button[aria-expanded="true"] { border-color: #9aa6e8; background: #eef0ff; color: var(--indigo); }.lessons-panel-button { display: none; }
.stage-grid { display: grid; grid-template-columns: clamp(230px, 23vw, 290px) minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) auto; gap: 12px; height: clamp(660px, calc(100vh - 145px), 800px); }.tutor-card, .whiteboard-card { min-width: 0; border: 1px solid var(--line); border-radius: 19px; overflow: hidden; background: white; box-shadow: var(--shadow); }.tutor-card { grid-column: 1; grid-row: 1; background: linear-gradient(165deg, #dfe5f4 0%, #ddd9ef 48%, #b9cbd4 100%); position: relative; display: flex; flex-direction: column; }.whiteboard-card { grid-column: 2; grid-row: 1; }.stage-grid > .interaction-bar { grid-column: 1 / -1; grid-row: 2; }.live-pill { position: absolute; z-index: 5; top: 14px; left: 14px; color: #42506a; background: rgba(255, 255, 255, .76); border: 1px solid rgba(255, 255, 255, .7); padding: 6px 9px; border-radius: 99px; font-size: 8px; font-weight: 800; letter-spacing: .09em; backdrop-filter: blur(8px); }.live-pill span { display: inline-block; width: 6px; height: 6px; background: #44ab82; border-radius: 50%; margin-right: 4px; box-shadow: 0 0 0 3px rgba(68, 171, 130, .13); }
body.embedded .topbar { display: none; }body.embedded .classroom-shell { min-height: 100vh; }body.embedded .lesson-sidebar { top: 0; height: 100vh; }body.embedded .insights-sidebar { top: 0; }body.embedded .stage-grid { height: clamp(680px, calc(100vh - 80px), 820px); }
.anam-widget-frame { flex: 1; min-height: 0; padding: 44px 10px 10px; background: linear-gradient(165deg, #dfe5f4 0%, #ddd9ef 48%, #b9cbd4 100%); }
.anam-widget-frame anam-agent { display: block; width: 100%; height: 100%; min-height: 390px; border-radius: 14px; overflow: hidden; }
.anam-live-card .avatar-scene, .anam-live-card .avatar-connect { display: none; }
#persona-video { display: none; width: 100%; flex: 1; min-height: 0; object-fit: cover; background: #101728; }.tutor-card #persona-video.active { display: block; }
.avatar-scene { flex: 1; position: relative; display: grid; place-items: end center; overflow: hidden; }.avatar-scene[hidden] { display: none; }.halo { position: absolute; border: 1px solid rgba(255, 255, 255, .35); border-radius: 50%; }.halo-one { width: 260px; height: 260px; top: 55px; }.halo-two { width: 360px; height: 360px; top: 6px; }.avatar { width: 205px; height: 380px; position: relative; filter: drop-shadow(0 20px 20px rgba(49, 61, 88, .18)); }.head { width: 108px; height: 136px; position: absolute; top: 76px; left: 49px; background: #b97857; border-radius: 48% 48% 44% 44%; z-index: 2; }.hair { position: absolute; top: 55px; left: 34px; width: 140px; height: 180px; border-radius: 52% 52% 44% 45%; background: #252133; z-index: 1; box-shadow: -18px 35px 0 -7px #252133, 18px 35px 0 -7px #252133; }.eye { position: absolute; width: 8px; height: 5px; border-radius: 50%; background: #30202a; top: 61px; }.eye.left { left: 28px; }.eye.right { right: 28px; }.smile { position: absolute; left: 41px; top: 92px; width: 26px; height: 12px; border-bottom: 3px solid #743f3f; border-radius: 50%; }.neck { position: absolute; width: 46px; height: 53px; background: #b97857; top: 188px; left: 80px; z-index: 1; }.body { position: absolute; width: 195px; height: 195px; left: 5px; top: 222px; background: #35446d; border-radius: 52% 52% 7% 7%; overflow: hidden; }.body::before { content: ""; position: absolute; width: 69px; height: 44px; background: #b97857; top: -20px; left: 63px; border-radius: 50%; }.body span { position: absolute; height: 100%; width: 2px; background: rgba(255, 255, 255, .13); left: 50%; }
.avatar-connect { position: absolute; z-index: 6; top: 46px; left: 14px; right: 14px; border: 1px solid rgba(255, 255, 255, .45); background: rgba(28, 43, 75, .58); color: white; border-radius: 9px; padding: 7px 9px; font-size: 8px; font-weight: 800; backdrop-filter: blur(8px); }.connect-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--mint); margin-right: 4px; }.avatar-connect:disabled { opacity: .7; cursor: wait; }
.tutor-caption { min-height: 112px; padding: 17px 17px 19px; background: rgba(24, 35, 63, .88); color: white; backdrop-filter: blur(10px); z-index: 4; }.tutor-caption p { font: 500 13px/1.52 "Manrope"; margin: 7px 0 0; }.voice-bars { display: flex; align-items: center; height: 10px; gap: 3px; }.voice-bars i { display: block; width: 2px; height: 6px; border-radius: 2px; background: var(--mint); animation: pulse .8s ease-in-out infinite alternate; }.voice-bars i:nth-child(2) { animation-delay: .2s; }.voice-bars i:nth-child(3) { animation-delay: .4s; }.voice-bars i:nth-child(4) { animation-delay: .1s; }@keyframes pulse { to { height: 13px; } }
.whiteboard-card { display: flex; flex-direction: column; }.board-toolbar { height: 44px; padding: 0 17px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; font-size: 10px; font-weight: 800; color: var(--muted); }.board-dots { display: flex; gap: 5px; }.board-dots i { display: block; width: 7px; height: 7px; border-radius: 50%; background: #d6dce5; }.board-dots i.active { width: 19px; border-radius: 9px; background: var(--indigo); }.whiteboard-surface { position: relative; flex: 1; min-height: 0; overflow: hidden; background: linear-gradient(#fff, #fdfdfb); }.board-content { width: 100%; height: 100%; min-height: 0; overflow-y: auto; padding: 30px 30px 16px; text-align: center; background: transparent; }.concept-tag { color: var(--indigo); background: #eef0ff; border-radius: 99px; padding: 6px 9px; font-size: 8px; letter-spacing: .12em; font-weight: 800; }.board-content h3 { font: 700 25px/1.22 "Manrope"; margin: 13px 0 6px; }.board-content > p { color: var(--muted); font-size: 11px; line-height: 1.45; max-width: 470px; margin: 8px auto 0; }.concept-visual { width: min(370px, 96%); height: 132px; margin: 14px auto 4px; display: flex; align-items: center; justify-content: center; color: var(--navy); }
.board-toolbar { min-height: 58px; height: auto; gap: 12px; padding: 8px 13px; }.board-toolbar > span { display: grid; gap: 1px; color: var(--navy); flex: 0 0 auto; }.board-toolbar > span b { font-size: 10px; }.board-toolbar > span small { color: var(--muted); font-size: 8px; font-weight: 700; }.board-tools, .whiteboard-toolset, .whiteboard-secondary-tools { display: flex; align-items: center; justify-content: flex-end; gap: 5px; }.board-tools { flex-wrap: wrap; }.board-tools button { min-height: 32px; border: 1px solid #d8deea; border-radius: 9px; padding: 6px 9px; background: white; color: #546178; font: 800 8px "DM Sans"; }.board-tools #example-button { border-color: #bfc7f7; background: #eef0ff; color: var(--indigo); }.whiteboard-toolset { padding: 3px; border: 1px solid #e2e6ee; border-radius: 11px; background: #f7f8fb; }.whiteboard-toolset button { border-color: transparent; background: transparent; }.whiteboard-toolset button.active { border-color: #6878d9; background: var(--indigo); color: white; box-shadow: 0 4px 10px rgba(89, 105, 216, .2); }.whiteboard-secondary-tools { padding-left: 5px; border-left: 1px solid #e2e6ee; }.answer-panel[hidden] { display: none; }
.whiteboard-drawing-layer { position: absolute; inset: 0; z-index: 5; width: 100%; height: 100%; pointer-events: none; touch-action: none; }.whiteboard-surface.tool-draw .whiteboard-drawing-layer, .whiteboard-surface.tool-erase .whiteboard-drawing-layer { pointer-events: auto; }.whiteboard-surface.tool-draw .whiteboard-drawing-layer { cursor: crosshair; }.whiteboard-surface.tool-erase .whiteboard-drawing-layer { cursor: cell; }.whiteboard-surface.tool-move [data-whiteboard-movable], .whiteboard-surface.tool-rotate [data-whiteboard-movable] { cursor: grab; touch-action: none; user-select: none; position: relative; z-index: 3; outline: 2px dashed transparent; outline-offset: 5px; transition: outline-color .15s ease, filter .15s ease; }.whiteboard-surface.tool-rotate [data-whiteboard-movable] { cursor: alias; }.whiteboard-surface.tool-move [data-whiteboard-movable]:hover, .whiteboard-surface.tool-move [data-whiteboard-movable]:focus-visible, .whiteboard-surface.tool-rotate [data-whiteboard-movable]:hover, .whiteboard-surface.tool-rotate [data-whiteboard-movable]:focus-visible { outline-color: #7b89df; }.whiteboard-surface.tool-move [data-whiteboard-movable].dragging, .whiteboard-surface.tool-rotate [data-whiteboard-movable].dragging { filter: drop-shadow(0 10px 10px rgba(31, 43, 72, .18)); }.movable-model-piece { display: inline-grid; grid-template-columns: 38px auto; align-items: center; gap: 9px; margin-left: auto; padding: 7px 10px; border: 1px solid #b9c2e9; border-radius: 12px; background: white; color: var(--navy); font: 800 9px "DM Sans"; box-shadow: 0 6px 14px rgba(54, 66, 112, .1); }.movable-model-piece > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: linear-gradient(145deg, #6978d9, #8f72c6); color: white; font-size: 15px; }.movable-model-piece small { color: var(--muted); font-size: 8px; }
.live-example-board { display: grid; align-content: start; min-height: 100%; text-align: left; }.live-example-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }.live-example-heading small { color: #39977d; font-size: 8px; font-weight: 800; letter-spacing: .1em; }.live-example-board h3 { margin: 11px 0 4px; font-size: 23px; }.live-example-prompt { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.45; }.live-example-visual { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 7px; margin: 15px 0 12px; }.live-example-visual span { display: grid; grid-template-columns: 25px 1fr; align-items: center; gap: 7px; min-height: 72px; padding: 9px; border: 1px solid #dce2ed; border-radius: 12px; background: #f8f9fc; }.live-example-visual span b { width: 25px; height: 25px; border-radius: 50%; display: grid; place-items: center; background: #e7eaff; color: var(--indigo); font-size: 9px; }.live-example-visual span em { color: #34435c; font-size: 9px; font-style: normal; font-weight: 700; line-height: 1.35; }.live-example-visual > i { align-self: center; color: var(--violet); font-style: normal; font-weight: 800; }.live-example-visual.comparison span:nth-of-type(1) { background: #fff3ef; }.live-example-visual.comparison span:nth-of-type(3), .live-example-visual.balance span:nth-of-type(3) { background: #eaf7f2; }.live-example-visual.spatial span { border-style: dashed; box-shadow: inset 0 0 0 3px white; }.live-example-visual.passage span { border-left: 4px solid #8f9bea; }.live-example-visual.equation span { background: #eef0ff; }.live-example-result { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }.live-example-result span { padding: 10px 11px; border-radius: 10px; background: #eef7f3; color: #385c52; font-size: 9px; line-height: 1.4; }.live-example-result span:first-child { background: #eef0ff; color: #43518f; }.live-example-result b { display: block; margin-bottom: 3px; color: var(--navy); font-size: 8px; text-transform: uppercase; letter-spacing: .08em; }.whiteboard-thinking { min-height: 100%; display: grid; place-content: center; justify-items: center; }.whiteboard-thinking > span { width: 42px; height: 42px; border: 4px solid #e1e5f2; border-top-color: var(--indigo); border-radius: 50%; animation: spin .8s linear infinite; }.whiteboard-thinking h3 { margin-top: 16px; }.whiteboard-thinking p { color: var(--muted); font-size: 10px; }@keyframes spin { to { transform: rotate(360deg); } }
.live-example-challenge { display: flex; align-items: center; gap: 12px; margin: 17px 0 10px; padding: 14px; border: 1px dashed #aeb8ed; border-radius: 14px; background: #f4f5ff; color: #45518b; }.live-example-challenge > span { flex: 0 0 auto; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--indigo); color: white; font: 800 15px "Manrope"; }.live-example-challenge p { margin: 0; font-size: 10px; line-height: 1.4; }.live-example-challenge b { display: block; margin-bottom: 2px; color: var(--navy); text-transform: uppercase; letter-spacing: .08em; font-size: 8px; }.live-example-challenge.answered { border-style: solid; border-color: #8bcbb6; background: #edf8f4; }.live-example-challenge.answered > span { background: #379a79; }.live-example-solution[hidden] { display: none; }.live-example-solution { animation: boardReveal .28s ease-out; }@keyframes boardReveal { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.keyhole-visual { gap: 37px; perspective: 500px; }.solid-object { width: 78px; height: 68px; position: relative; transform: rotate(-7deg); }.cube-face { position: absolute; display: block; border: 2px solid #3f4f80; }.cube-face.front { width: 58px; height: 58px; left: 0; top: 10px; background: #95a4e8; clip-path: polygon(0 0, 100% 0, 100% 68%, 64% 68%, 64% 100%, 0 100%); }.cube-face.side { width: 27px; height: 58px; left: 56px; top: 2px; background: #6374c7; transform: skewY(-24deg); }.cube-face.top { width: 60px; height: 25px; left: 10px; top: -12px; background: #bdc5f5; transform: skewX(-47deg); }.solid-object i { position: absolute; width: 25px; height: 23px; background: #7889d9; left: 37px; top: 45px; border: 2px solid #3f4f80; border-top: 0; }.motion-arrow { color: var(--violet); font-size: 30px; }.target-opening { width: 88px; height: 88px; border-radius: 8px; background: #e5e8ec; box-shadow: inset 0 0 0 8px #cbd1d8; display: grid; place-items: center; transform: rotate(2deg); }.target-opening span { display: block; width: 56px; height: 58px; background: white; clip-path: polygon(0 0, 100% 0, 100% 68%, 64% 68%, 64% 100%, 0 100%); box-shadow: inset 0 0 0 2px #808b99; }
.notch-compare { gap: 24px; }.notch-compare > div { display: grid; justify-items: center; gap: 8px; position: relative; }.notch-compare small { color: var(--muted); font-size: 9px; }.mini-solid { width: 68px; height: 68px; background: #8190dc; border: 2px solid var(--navy); clip-path: polygon(0 0, 100% 0, 100% 68%, 64% 68%, 64% 100%, 0 100%); }.bad-opening { width: 95px; height: 82px; background: #d7dce3; border-radius: 8px; }.bad-opening i { width: 59px; height: 58px; background: white; display: block; margin: 11px auto; clip-path: polygon(0 0, 100% 0, 100% 82%, 68% 82%, 68% 100%, 0 100%); }.bad-opening b { position: absolute; right: -7px; top: -10px; width: 27px; height: 27px; border-radius: 50%; background: #fff0ed; color: #c65c48; display: grid; place-items: center; }
.scan-sequence { gap: 11px; }.scan-sequence span { border: 1px solid #dbe0eb; border-radius: 13px; padding: 14px 12px; min-width: 88px; font-size: 10px; font-weight: 800; }.scan-sequence span b { display: block; margin: 0 auto 7px; width: 25px; height: 25px; border-radius: 50%; background: #edf0ff; color: var(--indigo); line-height: 25px; }.scan-sequence i { color: var(--violet); font-style: normal; }
.membrane { position: relative; gap: 18px; }.particles { min-width: 70px; line-height: 1.7; color: #5c70d2; font-size: 17px; }.particles.sparse { color: #9aa7e4; }.bilayer { width: 52px; height: 110px; border-left: 3px solid #deb25e; border-right: 3px solid #deb25e; position: relative; display: grid; align-content: space-around; }.bilayer i { display: block; width: 46px; border-top: 4px dotted #e6c77e; }.flow-arrow { font-size: 25px; color: var(--violet); margin-left: -22px; z-index: 2; }.membrane > small { position: absolute; bottom: -3px; color: var(--muted); font-size: 9px; }.bilayer.channel b { position: absolute; inset: 10px 4px; border-radius: 18px; background: #6678cc; color: white; display: grid; place-items: center; font-size: 20px; }.pump .flow-arrow { transform: translateX(12px); color: #d98a41; }
.ph-ladder { gap: 7px; align-items: end; }.ph-ladder span { width: 86px; min-height: 70px; padding: 10px 5px; border-radius: 12px; background: #eef0ff; display: grid; align-content: space-between; }.ph-ladder span:first-child { min-height: 108px; background: #ffe9e3; }.ph-ladder span:nth-of-type(2) { min-height: 89px; }.ph-ladder b { font-size: 12px; }.ph-ladder i { font-style: normal; color: #d95c5c; letter-spacing: -1px; }.ph-ladder em { color: var(--muted); font-size: 8px; font-style: normal; align-self: center; }
.reaction-visual { gap: 20px; }.reaction-visual span { padding: 19px; border-radius: 14px; background: #eef0ff; font: 800 23px "Manrope"; }.reaction-visual i { font-style: normal; color: #d06b5d; font-weight: 800; }
.buffer-visual { gap: 10px; }.buffer-visual span { border-radius: 12px; padding: 14px; font-size: 11px; font-weight: 800; }.buffer-visual .added { background: #ffe9e5; color: #b34f44; }.buffer-visual .base { background: #e9edff; color: #4d61b8; }.buffer-visual .steady { background: #e9f7f1; color: #2e7d63; }.buffer-visual i { font-style: normal; color: #a1a9b5; }
.molecule-visual { gap: 3px; }.atom, .nuc, .carbonyl { font: 800 25px "Manrope"; position: relative; }.atom i { position: absolute; top: -14px; left: 2px; font-style: normal; font-size: 12px; }.atom.electrophile { color: #c96152; }.molecule-visual svg, .carbonyl-shift svg { width: 125px; height: 60px; fill: none; stroke: var(--violet); stroke-width: 3; }.carbonyl { display: flex; align-items: center; gap: 5px; }.carbonyl i { font-style: normal; color: #d66f63; }.carbonyl sup { font-size: 9px; }.carbonyl-shift { gap: 10px; }.carbonyl-shift span { padding: 16px; background: #eef0ff; border-radius: 13px; font: 800 17px "Manrope"; }.carbonyl-shift svg { width: 75px; }
.passage-map { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }.passage-map span { padding: 12px 7px; border: 1px solid #dce2ec; border-radius: 11px; font-size: 9px; }.passage-map b { display: block; color: var(--indigo); margin-bottom: 6px; }.transition-turn { gap: 15px; }.transition-turn span { padding: 14px; border-radius: 11px; background: #f1f3f7; font-size: 11px; font-weight: 700; }.transition-turn b { color: white; background: var(--violet); padding: 9px 12px; border-radius: 99px; font-size: 9px; transform: rotate(-3deg); }.evidence-window { gap: 5px; }.evidence-window span { width: 55px; height: 70px; border: 1px solid #dce1ea; background: white; display: grid; place-content: center; color: #929dac; font-size: 9px; }.evidence-window .selected { width: 115px; border: 2px solid var(--indigo); background: #eef0ff; color: var(--indigo); }.evidence-window b { display: block; font-size: 9px; margin-top: 5px; }
.equation-scale { display: grid; place-content: center; }.equation-scale > div { width: 260px; display: flex; justify-content: space-between; border-bottom: 5px solid var(--navy); padding: 0 32px 13px; position: relative; }.equation-scale > div::after { content: ""; position: absolute; left: 50%; top: 100%; width: 4px; height: 32px; background: var(--navy); }.equation-scale span { min-width: 65px; padding: 8px; border-radius: 9px; background: #eef0ff; font-weight: 800; }.equation-scale > b { color: #d66a5c; margin-top: 33px; }.equation-scale small { color: var(--muted); font-size: 8px; }.coefficient-groups { gap: 8px; }.coefficient-groups span { width: 52px; height: 52px; border-radius: 12px; background: #e9edff; display: grid; place-items: center; font: 800 20px "Manrope"; }.coefficient-groups b { margin: 0 8px; }.coefficient-groups em { padding: 14px 18px; background: #e9f7f1; border-radius: 12px; font: normal 800 20px "Manrope"; }.substitution-check { gap: 12px; }.substitution-check span { font: 800 25px "Manrope"; }.substitution-check span b { color: var(--indigo); }.substitution-check i { font-style: normal; color: var(--muted); }.substitution-check em { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: #def4ec; color: #247a63; font-style: normal; font-weight: 800; }
.answer-panel { min-height: 148px; padding: 14px 16px 15px; border-top: 1px solid var(--line); background: #fbfcfe; }.question { margin: 0 0 9px; font-size: 12px; font-weight: 700; }.answer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }.answer-grid button { min-height: 52px; padding: 9px; border-radius: 11px; border: 1px solid #d8dee8; background: white; color: #41506a; font-size: 10px; font-weight: 700; transition: .18s ease; }.answer-grid button:hover { border-color: var(--indigo); transform: translateY(-1px); box-shadow: 0 5px 15px rgba(89, 105, 216, .12); }.answer-grid button.correct { color: #216b55; border-color: #69b79e; background: #eaf8f3; }.answer-grid button.wrong { color: #b24d3e; border-color: #ef9d8c; background: #fff1ed; }.feedback { min-height: 17px; margin-top: 6px; font-size: 10px; font-weight: 700; }.feedback[data-tone="success"] { color: #247a63; }.feedback[data-tone="error"] { color: #b24d3e; }
.answer-grid button[data-example-answer] > span { display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 6px; border-radius: 50%; background: #eef0ff; color: var(--indigo); font-size: 8px; font-weight: 800; }
.interaction-bar { z-index: 16; display: flex; gap: 8px; margin: 0; background: rgba(255, 255, 255, .96); border: 1px solid var(--line); border-radius: 15px; padding: 8px; box-shadow: 0 12px 32px rgba(38, 55, 90, .13); backdrop-filter: blur(14px); }.interaction-bar input { flex: 1; border: 0; outline: 0; color: var(--ink); min-width: 0; }.interaction-bar input::placeholder { color: #99a3b1; }.mic-button, .send-button { flex: 0 0 auto; width: 40px; height: 40px; border: 0; border-radius: 11px; display: grid; place-items: center; font-weight: 800; }.mic-button { background: #edf0ff; color: var(--indigo); }.send-button { background: var(--navy); color: white; font-size: 19px; }.hint-button { min-height: 40px; border: 1px solid #ead7a6; border-radius: 10px; background: #fff7e5; color: #956a16; padding: 0 12px; font-size: 10px; font-weight: 800; }.privacy-note { margin: 10px auto 0; max-width: 900px; text-align: center; color: #9aa3af; font-size: 8px; }
.insight-block { padding: 0 0 21px; margin-bottom: 21px; border-bottom: 1px solid var(--line); }.insight-block:last-child { border-bottom: 0; }.section-title { display: flex; justify-content: space-between; align-items: center; }.section-title > span:last-child { color: var(--indigo); font-size: 11px; font-weight: 800; }.mastery-progress { margin: 11px 0 8px; }.mastery-progress span { width: 20%; }.insight-block > p { font-size: 10px; color: var(--muted); line-height: 1.55; }.notice-card { margin-top: 10px; border-radius: 13px; padding: 13px; background: #eef7f3; color: #365d53; }.notice-card span { color: #37977d; }.notice-card p { margin: 6px 0 0; font-size: 10px; line-height: 1.5; }.key-idea p { color: var(--ink); font-weight: 600; }.transcript-toggle { width: 100%; border: 0; background: transparent; padding: 0; color: var(--ink); display: flex; justify-content: space-between; font-size: 10px; font-weight: 800; }.transcript { max-height: 170px; overflow-y: auto; margin-top: 10px; }.transcript > p { color: var(--muted); font-size: 9px; }.transcript-message { padding: 7px 8px; border-radius: 9px; margin-bottom: 6px; font-size: 9px; }.transcript-message.student { background: #edf0ff; }.transcript-message.sebina { background: #eef7f3; }.transcript-message b, .transcript-message p { margin: 0; }.transcript-message p { line-height: 1.35; margin-top: 2px; }

dialog { border: 0; border-radius: 24px; padding: 34px; width: 470px; text-align: center; color: var(--ink); box-shadow: 0 30px 90px rgba(27, 39, 67, .3); }dialog::backdrop { background: rgba(26, 37, 61, .58); backdrop-filter: blur(4px); }.completion-icon { margin: 0 auto 14px; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; color: #277b63; background: #def4ec; font-size: 25px; }.completion-icon + .eyebrow { color: var(--indigo); }dialog h2 { font: 800 28px "Manrope"; margin: 8px 0; }dialog > p { color: var(--muted); line-height: 1.5; }.result-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 22px 0; }.result-row div { background: #f4f6fa; border-radius: 12px; padding: 13px 6px; }.result-row b, .result-row span { display: block; }.result-row b { font-size: 19px; }.result-row span { color: var(--muted); font-size: 8px; margin-top: 4px; }.dialog-actions { display: grid; grid-template-columns: 1fr 1.2fr; gap: 8px; }.dialog-actions button { border: 0; border-radius: 11px; padding: 12px; background: var(--navy); color: white; font-weight: 800; font-size: 11px; }.dialog-actions .secondary-dialog-button { border: 1px solid var(--line); background: white; color: var(--navy); }
#end-session-dialog { width: min(590px, calc(100% - 28px)); max-height: min(820px, calc(100dvh - 28px)); overflow-y: auto; text-align: left; padding: 30px; }.session-dialog-heading { display: flex; align-items: center; gap: 14px; }.session-dialog-heading .completion-icon { flex: 0 0 auto; margin: 0; }.session-dialog-heading h2 { font-size: 25px; margin: 4px 0 0; }.session-dialog-heading .eyebrow { color: var(--indigo); }.session-result-row { margin: 19px 0; text-align: center; }.session-next-steps { padding: 17px 18px; border-radius: 16px; background: #f7f8fc; border: 1px solid var(--line); }.session-next-steps ol { margin: 11px 0 0; padding-left: 20px; }.session-next-steps li { padding-left: 5px; margin: 8px 0; color: var(--ink); font-size: 11px; line-height: 1.5; }.session-next-steps li::marker { color: var(--indigo); font-weight: 800; }#session-summary-form { margin-top: 19px; }#session-summary-form > label:first-child { display: block; margin-bottom: 7px; color: var(--ink); font-size: 11px; font-weight: 800; }.session-email-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; }.session-email-row input { min-width: 0; border: 1px solid var(--line); border-radius: 11px; padding: 12px 13px; font: 600 12px "DM Sans"; color: var(--ink); }.session-email-row input:focus { outline: 3px solid rgba(86, 99, 205, .16); border-color: var(--indigo); }.session-email-row button { border: 0; border-radius: 11px; padding: 11px 16px; background: var(--indigo); color: white; font-size: 11px; font-weight: 800; }.session-email-row button:disabled { opacity: .6; cursor: wait; }.session-consent { display: flex; align-items: flex-start; gap: 8px; margin-top: 11px; color: var(--muted); font-size: 9px; line-height: 1.45; }.session-consent input { margin-top: 1px; accent-color: var(--indigo); }.session-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; opacity: 0 !important; }.session-email-status { min-height: 18px; margin: 9px 0 0; color: var(--muted); font-size: 10px; }.session-email-status[data-tone="error"] { color: #a9404a; }.session-email-status[data-tone="success"] { color: #277b63; font-weight: 700; }.session-dialog-actions { grid-template-columns: 1fr; margin-top: 10px; }.session-dialog-actions button { min-height: 42px; }
.toast { position: fixed; z-index: 50; left: 50%; bottom: 28px; transform: translate(-50%, 20px); max-width: 520px; padding: 12px 17px; border-radius: 12px; background: #18243d; color: white; font-size: 11px; box-shadow: 0 15px 35px rgba(24, 36, 61, .25); opacity: 0; pointer-events: none; transition: .2s ease; }.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1180px) {
  body { min-width: 0; }.classroom { padding: 17px 14px 12px; }.dashboard, .courses-page, .review-page { width: min(1080px, calc(100% - 34px)); }.dashboard-hero { padding: 42px; }.main-nav { margin-left: 35px; }.stage-grid { grid-template-columns: clamp(220px, 24vw, 260px) minmax(0, 1fr); }
}
@media (max-width: 1020px) {
  .classroom-shell { display: block; }.lesson-sidebar { position: fixed; z-index: 42; top: 74px; left: 0; bottom: 0; width: min(340px, 88vw); height: auto; border-right: 1px solid var(--line); box-shadow: 24px 0 70px rgba(31, 43, 72, .16); transform: translateX(-105%); visibility: hidden; transition: transform .25s ease, visibility .25s ease; }.lesson-sidebar .panel-close { display: grid; place-items: center; }.lessons-panel-button { display: inline-flex; align-items: center; }.lessons-open .lesson-sidebar { transform: translateX(0); visibility: visible; }body.embedded .lesson-sidebar { top: 0; height: auto; }.classroom { max-width: none; }.stage-grid { grid-template-columns: minmax(210px, .55fr) minmax(0, 1.65fr); }
}
@media (max-width: 840px) {
  .topbar { padding: 0 15px; }.main-nav { display: none; }.streak { display: none; }.dashboard, .courses-page, .review-page { width: calc(100% - 24px); padding-top: 20px; }.dashboard-hero { grid-template-columns: 1fr; padding: 28px; }.dashboard-hero h1 { font-size: 34px; }.hero-visual { min-height: 250px; }.dashboard-grid, .review-layout { grid-template-columns: 1fr; }.course-card-grid { grid-template-columns: 1fr 1fr; }.page-header { align-items: flex-start; flex-direction: column; }.exam-strip { grid-template-columns: 1fr 1fr; }.curriculum-layout { grid-template-columns: 1fr; }.course-tabs { position: static; grid-template-columns: 1fr 1fr; }.stage-grid, body.embedded .stage-grid { height: auto; grid-template-columns: 1fr; grid-template-rows: auto; }.whiteboard-card { grid-column: 1; grid-row: auto; order: 1; min-height: 620px; }.stage-grid > .interaction-bar { grid-column: 1; grid-row: auto; order: 2; }.tutor-card { grid-column: 1; grid-row: auto; order: 3; min-height: 330px; max-height: 460px; }.anam-widget-frame anam-agent { min-height: 280px; }.classroom { padding: 14px 12px 18px; }.lesson-heading { align-items: flex-start; }.lesson-heading-actions { flex-wrap: wrap; }.interaction-bar { flex-wrap: wrap; }.hint-button { min-height: 40px; }
}
@media (max-width: 560px) {
  .brand { font-size: 17px; }.profile { display: none; }.dashboard-hero h1 { font-size: 30px; }.hero-actions { flex-direction: column; }.course-card-grid, .course-tabs, .exam-strip { grid-template-columns: 1fr; }.course-card { grid-template-columns: 42px 1fr auto; }.curriculum-hero { align-items: flex-start; flex-direction: column; gap: 20px; }.curriculum-actions { width: 100%; justify-content: space-between; }.answer-grid { grid-template-columns: 1fr; }.answer-panel { min-height: 250px; }.answer-grid button { min-height: 48px; }.board-content { padding: 24px 18px 14px; }.board-content h3 { font-size: 21px; }.concept-visual { transform: scale(.92); }.lesson-heading { display: grid; align-items: start; gap: 10px; }.lesson-heading h2 { font-size: 18px; }.lesson-heading-actions { width: 100%; justify-content: flex-start; }.panel-button, .leave-button { min-height: 42px; }.leave-button { margin-left: auto; }.stage-grid { gap: 12px; }.whiteboard-card { min-height: 660px; }.tutor-card { min-height: 310px; }.dialog-actions { grid-template-columns: 1fr; }.board-toolbar { align-items: flex-start; flex-direction: column; }.board-tools { width: 100%; justify-content: flex-start; flex-wrap: wrap; }.whiteboard-toolset { width: 100%; }.whiteboard-toolset button { flex: 1; min-height: 40px; }.whiteboard-secondary-tools { padding-left: 0; border-left: 0; }.whiteboard-secondary-tools button { min-height: 40px; }.board-tools #example-button { min-height: 40px; }.interaction-bar input { flex-basis: calc(100% - 104px); min-height: 42px; }.mic-button, .send-button { width: 44px; height: 44px; }.hint-button { flex: 1 0 100%; }.live-example-visual { grid-template-columns: 1fr; }.live-example-visual > i { transform: rotate(90deg); justify-self: center; }.live-example-result { grid-template-columns: 1fr; }#end-session-dialog { padding: 22px 18px; }.session-dialog-heading { align-items: flex-start; }.session-dialog-heading h2 { font-size: 21px; }.session-result-row { grid-template-columns: repeat(3, 1fr); }.session-email-row { grid-template-columns: 1fr; }.session-email-row button { min-height: 44px; }
}