@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');

:root {
  --canvas: #f6f2e8;
  --paper: #fffdf8;
  --paper-deep: #e9e5da;
  --ink: #092c43;
  --ink-soft: #2f5366;
  --muted: #72808a;
  --line: #d9dfe0;
  --teal: #277f86;
  --teal-dark: #145e70;
  --mint: #dceef0;
  --coral: #caa66b;
  --coral-soft: #ede0c8;
  --night: #092c43;
  --night-soft: #123f58;
  --shadow: 0 20px 50px rgba(9, 44, 67, .10);
  --display: 'Fraunces', Georgia, serif;
  --sans: 'DM Sans', ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font: 400 15px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.09'/%3E%3C/svg%3E");
  z-index: 20;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }

.site-shell { width: min(1220px, calc(100% - 64px)); margin: 0 auto; position: relative; z-index: 1; }
.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 104px; gap: 24px; border-bottom: 1px solid var(--line); }
.topbar-dark { border-color: rgba(220, 238, 240, .18); color: #ecf0e7; }
.brand { display: inline-flex; align-items: center; gap: 14px; min-width: 0; color: var(--ink); letter-spacing: -.025em; }
.topbar-dark .brand { color: var(--ink); }
.brand-logo { width: 68px; height: 68px; flex: 0 0 auto; border-radius: 14px; object-fit: contain; background: var(--night); box-shadow: 0 8px 22px rgba(9, 44, 67, .18); }
.topbar-dark .brand-logo { box-shadow: 0 0 0 2px #b7d9dc, 0 8px 22px rgba(0, 0, 0, .28); }
.brand-copy { display: grid; gap: 2px; min-width: 0; line-height: 1.25; }
.brand-title { color: #0f2b48; font-size: 19px; font-weight: 800; letter-spacing: -.035em; }
.brand-tagline { color: #0284c7; font-size: 12px; font-weight: 500; letter-spacing: -.01em; }
.topbar-dark .brand-copy { padding: 7px 11px; border-radius: 8px; background: #f6f2e8; }
.topbar-note { color: var(--muted); font-size: 12px; letter-spacing: .035em; }
.topbar-dark .topbar-note { color: #a8bcb4; }

.student-page { background: var(--canvas); }
.student-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(350px, .85fr); align-items: center; gap: clamp(60px, 11vw, 160px); min-height: calc(100vh - 174px); padding: 68px 5vw 80px; }
.student-intro { max-width: 620px; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--teal-dark); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow-light { color: #afd0c1; }
.eyebrow-dot { width: 7px; height: 7px; background: var(--coral); border-radius: 99px; box-shadow: 0 0 0 4px var(--coral-soft); }
.eyebrow-dot.live { background: #86c6a8; box-shadow: 0 0 0 4px rgba(134, 198, 168, .15); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 25px 0 24px; color: var(--ink); font: 500 clamp(48px, 6vw, 82px)/.99 var(--display); letter-spacing: -.055em; }
h1 em { color: var(--teal); font-style: normal; }
.lede { max-width: 450px; color: var(--ink-soft); font-size: 17px; line-height: 1.65; }
.intro-rule { width: 116px; height: 1px; margin: 38px 0 22px; background: var(--coral); }
.microcopy { color: var(--muted); font-size: 12px; }
.microcopy-mark { display: inline-block; margin-right: 12px; color: var(--coral); font-size: 10px; font-weight: 700; letter-spacing: .14em; }

.card { border: 1px solid rgba(9, 44, 67, .14); border-radius: 17px; background: rgba(255, 253, 248, .90); box-shadow: var(--shadow); }
.join-card { max-width: 450px; padding: clamp(28px, 4vw, 46px); }
.card-kicker { color: var(--teal); font-size: 10px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
.join-card h2, .host-console h2 { margin: 10px 0 10px; font: 500 34px/1.1 var(--display); letter-spacing: -.04em; }
.card-copy { max-width: 320px; margin-bottom: 32px; color: var(--muted); line-height: 1.6; }
.join-form label, .setting-block label { display: block; margin-bottom: 9px; color: var(--ink); font-size: 12px; font-weight: 700; }
.code-input-wrap { position: relative; }
.code-input-wrap input { width: 100%; height: 67px; padding: 0 92px 0 19px; border: 1px solid var(--line); border-radius: 10px; outline: none; background: var(--paper); color: var(--ink); font-size: 25px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; transition: border-color .2s, box-shadow .2s, transform .2s; }
.code-input-wrap input::placeholder { color: #b6b9b0; }
.code-input-wrap input:focus { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(47, 119, 114, .12); }
.input-suffix { position: absolute; right: 17px; top: 26px; color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.field-hint { margin: 9px 0 23px; color: var(--muted); font-size: 11px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 11px; border: 0; border-radius: 9px; font-weight: 700; transition: transform .2s, background-color .2s, color .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button:disabled { cursor: not-allowed; opacity: .55; transform: none; }
.button:focus-visible, .icon-button:focus-visible, .text-button:focus-visible, .toggle:focus-visible, .mic-button:focus-visible { outline: 3px solid rgba(232, 154, 121, .48); outline-offset: 3px; }
.button-primary { min-height: 49px; padding: 0 20px; background: var(--teal); color: #f8f5ec; box-shadow: 0 9px 20px rgba(39, 127, 134, .16); }
.button-primary:hover { background: var(--teal-dark); box-shadow: 0 12px 24px rgba(20, 94, 112, .24); }
.button-primary svg { width: 19px; height: 19px; }
.button-full { width: 100%; }
.card-footnote { display: flex; align-items: center; gap: 8px; margin: 22px 0 0; color: var(--muted); font-size: 11px; }
.secure-dot, .status-light { display: inline-block; width: 6px; height: 6px; background: var(--teal); border-radius: 99px; }
.inline-feedback { min-height: 18px; margin-top: 12px; color: var(--teal-dark); font-size: 12px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; min-height: 80px; color: var(--muted); font-size: 11px; }
.site-footer a { color: var(--teal-dark); font-weight: 700; }
.site-footer a:hover { color: var(--coral); }
.student-footer { gap: 10px 24px; flex-wrap: wrap; }
.student-footer-credit { color: #526878; font-size: 11px; line-height: 1.5; }
.student-footer-credit .muted-divider { color: #82939b; }

.room-view { padding: 56px 5vw 70px; }
.is-hidden { display: none !important; }
.room-head { display: flex; justify-content: space-between; align-items: end; max-width: 1160px; margin: 0 auto 28px; }
.room-head h2 { margin: 10px 0 0; font: 500 40px/1 var(--display); letter-spacing: -.04em; }
.room-code-display { margin-left: 8px; color: var(--muted); font-size: 11px; letter-spacing: .16em; }
.text-button { border: 0; padding: 5px 0; background: transparent; color: var(--teal-dark); font-size: 12px; font-weight: 700; }
.text-button:hover { color: var(--coral); }
.student-room-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(300px, .75fr); gap: 24px; max-width: 1160px; margin: 0 auto; }
.subtitle-panel, .controls-panel { padding: clamp(24px, 3vw, 38px); }
.panel-topline, .section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.subtitle-panel h3, .controls-panel h3, .transcript-section h3 { margin: 8px 0 0; font: 500 25px/1.15 var(--display); letter-spacing: -.03em; }
.live-pill { display: inline-flex; align-items: center; gap: 7px; color: var(--teal-dark); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; }
.live-pulse { width: 7px; height: 7px; background: #82bf9a; border-radius: 99px; box-shadow: 0 0 0 4px rgba(130, 191, 154, .16); animation: pulse 2s ease-in-out infinite; }
.subtitle-stage { position: relative; display: flex; flex-direction: column; justify-content: center; min-height: 360px; margin: 34px 0 22px; padding: 30px; overflow: hidden; border-radius: 11px; background: var(--night); color: #ecf1e9; }
.subtitle-stage.has-history { justify-content: flex-start; }
.subtitle-stage::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(101, 176, 151, .2), transparent 34%), linear-gradient(135deg, transparent 48%, rgba(234, 154, 121, .08)); pointer-events: none; }
.subtitle-stage-label, .subtitle-history-label { position: relative; color: #acd9c8; font-size: 11px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.subtitle-stage-label { margin-bottom: 14px; }
.subtitle-current { color: #f6f2e8; font: 500 clamp(25px, 3vw, 38px)/1.2 var(--display); letter-spacing: -.025em; }
.subtitle-current { position: relative; max-width: 820px; margin: 0; overflow-wrap: anywhere; }
.subtitle-activity { position: relative; margin: 14px 0 0; color: #c5d8ce; font-size: 13px; }
.subtitle-history { position: relative; margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(224, 240, 231, .24); }
.subtitle-history[hidden], .subtitle-activity[hidden] { display: none; }
.subtitle-history-list { max-height: 152px; margin: 10px 0 0; padding: 0; overflow-y: auto; list-style: none; scrollbar-color: #81a89a transparent; }
.subtitle-history-list li { padding: 9px 2px 9px 0; border-top: 1px solid rgba(224, 240, 231, .13); color: #d6e4dc; font-size: 16px; line-height: 1.45; overflow-wrap: anywhere; }
.subtitle-meta, .transcript-footer { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 11px; }
.subtitle-meta span:first-child, .transcript-footer span:first-child { display: flex; align-items: center; gap: 8px; }
.controls-panel { align-self: start; }
.controls-panel h3 { margin-bottom: 34px; }
.setting-block { padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.select-wrap { position: relative; }
.select-wrap select { width: 100%; height: 48px; padding: 0 38px 0 14px; border: 1px solid var(--line); border-radius: 8px; outline: none; appearance: none; background: var(--paper); color: var(--ink); }
.select-wrap svg { position: absolute; top: 17px; right: 15px; width: 16px; pointer-events: none; }
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.setting-label, .setting-description { display: block; }
.setting-label { color: var(--ink); font-size: 13px; font-weight: 700; }
.setting-description { margin-top: 3px; color: var(--muted); font-size: 11px; }
.toggle { position: relative; flex: 0 0 auto; width: 41px; height: 24px; padding: 3px; border: 0; border-radius: 30px; background: #c4c9c1; transition: background-color .2s; }
.toggle.is-on { background: var(--teal); }
.toggle-knob { display: block; width: 18px; height: 18px; border-radius: 50%; background: #f9f7f0; box-shadow: 0 1px 3px rgba(16, 42, 50, .25); transform: translateX(0); transition: transform .2s; }
.toggle.is-on .toggle-knob { transform: translateX(17px); }
.help-note { display: flex; gap: 9px; align-items: flex-start; margin-top: 25px; color: var(--muted); font-size: 11px; line-height: 1.45; }
.help-note svg { flex: 0 0 auto; width: 18px; color: var(--teal); }
.notes-button { margin-top: 22px; }
.question-composer { margin-top: 28px; padding-top: 26px; border-top: 1px solid var(--line); }
.question-composer h3 { margin-bottom: 16px; }
.question-composer textarea { display: block; width: 100%; min-height: 84px; margin-bottom: 11px; padding: 12px 13px; resize: vertical; border: 1px solid var(--line); border-radius: 9px; outline: none; background: var(--paper); color: var(--ink); font-size: 13px; line-height: 1.45; transition: border-color .2s, box-shadow .2s; }
.question-composer textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(39, 127, 134, .13); }
.question-composer textarea::placeholder { color: #9aa4a7; }
.question-identifier-label { display: block; margin: 0 0 5px; color: var(--ink); font-size: 11px; font-weight: 700; }
.question-identifier-input { width: 100%; min-height: 38px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); font: inherit; font-size: 12px; }
.question-identifier-input:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.question-identifier-help { margin: 5px 0 12px; color: var(--muted); font-size: 10px; line-height: 1.4; }
.question-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.question-actions .button { min-height: 46px; padding: 9px 8px; line-height: 1.25; white-space: normal; }
.question-mic { transition: background-color .2s, border-color .2s, box-shadow .2s; }
.question-mic.is-listening { color: #9e2429; border-color: #d55f65; background: #fff0ef; animation: question-recording 1.5s ease-in-out infinite; }
.voice-help { margin: 11px 0 0; color: var(--muted); font-size: 11px; line-height: 1.4; }
.question-feedback { min-height: 18px; margin: 9px 0 0; color: var(--teal-dark); font-size: 11px; }
@keyframes question-recording { 50% { box-shadow: 0 0 0 7px rgba(213, 95, 101, .2); } }
@media (prefers-reduced-motion: reduce) { .question-mic.is-listening { animation: none; } }

.host-page { background: var(--night); color: #f1f0e6; }
.host-shell { width: min(1270px, calc(100% - 64px)); }
.host-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(510px, 1.2fr); gap: clamp(55px, 9vw, 125px); align-items: center; min-height: calc(100vh - 174px); padding: 70px 5vw 86px; }
.host-hero { max-width: 500px; }
.host-hero h1 { color: #f1f0e6; margin-top: 25px; }
.host-hero h1 em { color: #a6d0ba; }
.host-hero .lede { color: #b7cbc1; }
.host-details { display: grid; gap: 13px; margin-top: 45px; color: #abc1b7; font-size: 11px; }
.detail-number { display: inline-block; width: 28px; color: var(--coral); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.host-console { padding: clamp(23px, 3vw, 38px); border-color: rgba(224, 235, 224, .15); background: var(--paper); color: var(--ink); box-shadow: 0 22px 55px rgba(0, 0, 0, .2); }
.console-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.connection-badge { display: inline-flex; align-items: center; gap: 7px; color: var(--teal-dark); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.room-code-box { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 25px 22px; border: 1px solid #d5ddd1; border-radius: 11px; background: var(--mint); }
.room-code-label { display: block; margin-bottom: 4px; color: var(--teal-dark); font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.room-code { color: var(--ink); font-size: clamp(36px, 5vw, 58px); letter-spacing: .15em; line-height: 1; }
.room-code-actions { display: flex; align-items: center; gap: 8px; }
.icon-button { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid #b9cbc0; border-radius: 8px; background: transparent; color: var(--teal-dark); transition: transform .2s, background-color .2s; }
.icon-button:hover { transform: translateY(-2px); background: rgba(255, 255, 255, .5); }
.icon-button svg { width: 19px; height: 19px; }
.button-small { min-height: 40px; padding: 0 13px; font-size: 12px; }
.button-ghost { border: 1px solid #b9cbc0; background: transparent; color: var(--teal-dark); }
.button-ghost:hover { background: var(--mint); }
.button-ghost svg { width: 17px; height: 17px; }
.room-url { margin: 11px 0 29px; color: var(--muted); font-size: 11px; }
.room-url strong { color: var(--teal-dark); }
.mic-area { display: flex; align-items: center; gap: 28px; padding: 16px 0 28px; border-bottom: 1px solid var(--line); }
.mic-button { display: grid; grid-template-columns: 53px 1fr; grid-template-rows: auto auto; column-gap: 13px; align-items: center; width: min(100%, 330px); padding: 0; border: 0; background: transparent; color: var(--ink); text-align: left; }
.mic-icon { display: grid; grid-row: span 2; place-items: center; width: 53px; height: 53px; border-radius: 50%; background: var(--coral-soft); color: #a85f50; transition: transform .2s, background-color .2s, color .2s; }
.mic-icon svg { width: 30px; height: 30px; }
.mic-label { font-size: 15px; font-weight: 700; }
.mic-status { margin-top: 3px; color: var(--muted); font-size: 10px; }
.mic-button:hover .mic-icon { transform: scale(1.05); }
.mic-button.is-live .mic-icon { background: var(--teal); color: #f1f0e6; animation: soft-pulse 2.2s ease-in-out infinite; }
.sound-bars { display: flex; align-items: center; gap: 4px; height: 36px; opacity: .38; }
.sound-bars i { width: 3px; height: 10px; border-radius: 4px; background: var(--teal); }
.sound-bars i:nth-child(2), .sound-bars i:nth-child(6) { height: 20px; }
.sound-bars i:nth-child(3), .sound-bars i:nth-child(5) { height: 29px; }
.sound-bars i:nth-child(4) { height: 36px; }
.sound-bars.is-live { opacity: 1; }
.sound-bars.is-live i { animation: bars .85s ease-in-out infinite alternate; }
.sound-bars.is-live i:nth-child(2) { animation-delay: -.25s; }
.sound-bars.is-live i:nth-child(3) { animation-delay: -.5s; }
.sound-bars.is-live i:nth-child(4) { animation-delay: -.7s; }
.sound-bars.is-live i:nth-child(5) { animation-delay: -.4s; }
.sound-bars.is-live i:nth-child(6) { animation-delay: -.2s; }
.transcript-section { padding-top: 28px; }
.transcript-box { min-height: 158px; max-height: 228px; margin: 21px 0 12px; padding: 17px 20px; overflow: auto; border-radius: 9px; background: #e9eee7; color: var(--ink); }
.transcript-empty { display: grid; place-items: center; min-height: 120px; color: var(--muted); text-align: center; }
.transcript-empty p { max-width: 230px; margin: 13px 0 0; font-size: 12px; line-height: 1.5; }
.empty-wave { display: flex; align-items: center; gap: 4px; height: 25px; }
.empty-wave i { display: block; width: 3px; height: 10px; border-radius: 4px; background: #a4bbb0; }
.empty-wave i:nth-child(2), .empty-wave i:nth-child(4) { height: 18px; }
.empty-wave i:nth-child(3) { height: 25px; background: var(--coral); }
.transcript-line { margin: 0 0 10px; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }
.transcript-line:last-child { margin-bottom: 0; }
.transcript-line.current { color: var(--ink); font-weight: 600; }
.transcript-actions { display: flex; align-items: center; gap: 16px; }
.questions-panel { margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--line); }
.question-toggle { margin-top: 1px; }
.question-toggle-label { display: flex; justify-content: space-between; gap: 20px; margin: 11px 0 18px; color: var(--muted); font-size: 11px; }
.question-toggle-label span:first-child { color: var(--teal-dark); font-weight: 700; }
.question-preferences { margin: 0 0 18px; padding: 15px 16px; border: 1px solid #d7e0df; border-radius: 10px; background: #f8faf7; }
.question-language-field label { display: block; margin-bottom: 7px; color: var(--ink); font-size: 12px; font-weight: 700; }
.question-language-field select, .question-language-field input { width: 100%; min-height: 40px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); font: inherit; font-size: 12px; }
.question-language-field select:focus-visible, .question-language-field input:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.question-language-field p { margin: 7px 0 0; color: var(--muted); font-size: 11px; }
.question-language-custom { margin-top: 11px; }
.question-name-preference, .question-auto-read { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.question-name-preference .setting-description, .question-auto-read .setting-description { max-width: 350px; line-height: 1.4; }
.question-audio-status { margin: 11px 0 0; color: var(--teal-dark); font-size: 11px; line-height: 1.4; }
.question-feed-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 10px; color: var(--ink-soft); font-size: 11px; font-weight: 700; }
.question-feed-heading .text-button { font-size: 11px; }
.question-list { display: grid; gap: 10px; max-height: 260px; overflow: auto; }
.question-empty { padding: 20px; border: 1px dashed #cbd6d6; border-radius: 10px; color: var(--muted); font-size: 12px; line-height: 1.5; text-align: center; }
.question-item { padding: 15px 16px; border: 1px solid #d7e0df; border-radius: 10px; background: #f4f8f6; }
.question-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 10px; margin-bottom: 9px; color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.question-meta-main { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.question-tag { color: var(--teal-dark); font-weight: 700; }
.question-identifier { padding: 3px 6px; border-radius: 5px; background: #dfeee9; color: var(--teal-dark); font-weight: 700; letter-spacing: 0; text-transform: none; }
.question-translation-label { margin-bottom: 4px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.question-english-row { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 9px; }
.question-english { flex: 1 1 180px; margin: 0; color: var(--ink); font-size: 16px; font-weight: 700; line-height: 1.45; }
.question-play { flex: 0 0 auto; margin-left: auto; white-space: nowrap; }
.question-original { margin: 8px 0 0; color: var(--muted); font-size: 12px; font-style: italic; line-height: 1.45; }
.question-original strong { color: var(--ink-soft); font-size: 10px; font-style: normal; letter-spacing: .08em; text-transform: uppercase; }
.question-original em { font-style: italic; }
.host-footer { color: #8ca79b; border-top: 1px solid rgba(213, 230, 222, .18); }
.host-footer a { color: #b5d9c4; }
.muted-divider { padding: 0 8px; color: #55726b; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.toast { position: fixed; right: 24px; bottom: 24px; z-index: 30; max-width: calc(100vw - 48px); padding: 12px 16px; border: 1px solid rgba(47, 119, 114, .3); border-radius: 8px; background: var(--ink); color: #f2f0e7; box-shadow: 0 12px 30px rgba(16, 42, 50, .18); font-size: 12px; opacity: 0; transform: translateY(10px); pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.is-visible { opacity: 1; transform: translateY(0); }
.reveal { animation: rise-in .7s ease both; }
.delay-one { animation-delay: .12s; }

@keyframes rise-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
@keyframes blink { 0%, 48% { opacity: 1; } 49%, 100% { opacity: .12; } }
@keyframes soft-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(47, 119, 114, .18); } 50% { box-shadow: 0 0 0 9px rgba(47, 119, 114, 0); } }
@keyframes bars { from { transform: scaleY(.5); } to { transform: scaleY(1); } }

@media (max-width: 900px) {
  .student-layout, .host-layout { grid-template-columns: 1fr; gap: 50px; padding-top: 55px; }
  .student-layout { align-items: start; }
  .student-intro, .host-hero { max-width: 650px; }
  .join-card { max-width: none; }
  .host-console { width: 100%; }
  .host-layout { padding-bottom: 60px; }
  .student-room-grid { grid-template-columns: 1fr; }
  .controls-panel { max-width: none; }
}
@media (max-width: 620px) {
  .site-shell, .host-shell { width: min(100% - 36px, 1220px); }
  .topbar { min-height: 82px; padding: 10px 0; }
  .topbar-note { display: none; }
  .brand-logo { width: 50px; height: 50px; border-radius: 11px; }
  .brand { gap: 12px; width: 100%; }
  .brand-copy { max-width: min(100%, 360px); }
  .brand-title { font-size: 15px; }
  .brand-tagline { font-size: 10px; line-height: 1.25; }
  .topbar-dark .brand-copy { padding: 6px 8px; }
  .student-footer { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  .student-footer a { order: -1; }
  .student-layout { align-content: start; gap: 34px; padding-top: 40px; padding-bottom: 48px; }
  .student-layout, .host-layout { padding-right: 0; padding-left: 0; }
  h1 { font-size: clamp(44px, 14vw, 70px); }
  .lede { font-size: 15px; }
  .room-view { padding-right: 0; padding-left: 0; }
  .room-head { align-items: start; }
  .room-head h2 { font-size: 33px; }
  .room-code-display { display: block; margin: 8px 0 0; }
  .subtitle-stage { min-height: 300px; padding: 22px; }
  .subtitle-current { font-size: 28px; }
  .panel-topline, .section-heading { display: block; }
  .panel-topline .live-pill, .section-heading .live-pill { margin-top: 18px; }
  .room-code-box { padding: 20px 16px; }
  .room-code { font-size: 37px; }
  .room-code-actions { gap: 5px; }
  .button-small span { display: none; }
  .button-small { width: 40px; padding: 0; }
  .button-small svg { width: 18px; }
  .question-play { width: auto; min-width: 78px; padding: 0 10px; }
  .transcript-actions { align-items: flex-end; flex-direction: column; gap: 7px; }
  .transcript-actions .button-small { width: auto; padding: 0 10px; }
  .question-toggle-label { display: grid; gap: 5px; }
  .mic-area { align-items: flex-start; }
  .sound-bars { margin-top: 10px; }
  .site-footer { min-height: 70px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}