@import"https://fonts.googleapis.com/css2?family=Fraunces:wght@500;600&family=Inter:wght@400;500;600&display=swap";:root{--ink: #1c2b2a;--paper: #f1efe6;--paper-raised: #ffffff;--chalkboard: #22403a;--chalkboard-soft: #2c4d45;--chalk-yellow: #e0b94a;--sage: #dfe8de;--line: #d8d3c4;--muted: #6b7370;--error: #b3432b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:Fraunces,Georgia,serif;font-weight:600;margin:0 0 4px}.muted{color:var(--muted);font-size:.9rem}.error{color:var(--error);font-size:.9rem}.center-pad{text-align:center;padding:2rem}.center-pad-sm{text-align:center;margin-top:1rem}.page.centered{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.card{background:var(--paper-raised);border:1px solid var(--line);border-radius:14px;padding:2rem;width:100%;box-shadow:0 1px 2px #1c2b2a0f}.page.centered .card{max-width:380px}.card h1{font-size:1.6rem;margin-bottom:6px}.card p.muted{margin-bottom:1.25rem}form label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:4px}input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--line);font-size:1rem;margin-bottom:12px;background:var(--paper);color:var(--ink)}input:focus{outline:2px solid var(--chalk-yellow);outline-offset:1px}button{font-family:Inter,sans-serif;font-weight:600;border:none;border-radius:8px;padding:10px 16px;background:var(--chalkboard);color:var(--paper);cursor:pointer;font-size:.95rem}button:hover{opacity:.92}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible{outline:2px solid var(--chalk-yellow);outline-offset:2px}button.ghost{background:transparent;color:var(--chalkboard);border:1px solid var(--line)}.classroom{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}.classroom-header{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.25rem;background:var(--chalkboard);color:var(--paper)}.classroom-header .muted{color:#c7d3cf}.classroom-header button.ghost{background:transparent;color:var(--paper);border-color:#f1efe666}.header-actions{display:flex;gap:8px}.classroom-header button.ghost.danger{color:#f2a68f;border-color:#f2a68f66}.classroom-header button.ghost.danger:hover{background:#f2a68f1f}.rec-indicator{color:#e05b45;font-weight:700;margin-left:6px}.classroom-grid{flex:1;min-height:0;display:grid;grid-template-columns:1fr 320px;gap:1rem;padding:1rem;overflow:hidden}@media (max-width: 820px){.classroom-grid{grid-template-columns:1fr;grid-template-rows:1fr;padding:0;gap:0}.stage{border-radius:0}.stage-controls{padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px))}.stage-controls .ctrl-icon{font-size:1.1rem}.stage-controls .ctrl-label{font-size:.65rem}.side-panel{position:fixed;left:0;right:0;bottom:0;height:auto;max-height:80vh;background:var(--paper);border-radius:18px 18px 0 0;box-shadow:0 -10px 30px #0000004d;transform:translateY(105%);transition:transform .25s ease;z-index:60;padding:8px 1rem calc(.75rem + env(safe-area-inset-bottom,0px));gap:.5rem}.side-panel.open{transform:translateY(0)}.side-panel-top{display:flex;align-items:center;justify-content:center;position:relative;margin-bottom:6px}.side-panel-handle{width:40px;height:4px;border-radius:2px;background:var(--line);cursor:pointer}.side-panel-close{position:absolute;right:0;top:-2px;background:var(--sage);color:var(--ink);border:none;font-size:.78rem;font-weight:600;padding:6px 12px;border-radius:999px}.side-panel-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#10181673;z-index:55}.panel-toggle-btn{display:flex}.panel{padding:.7rem .85rem}.panel h3{font-size:.95rem}}@media (min-width: 821px){.panel-toggle-btn,.side-panel-top{display:none}}.stage{background:#10201c;border-radius:12px;display:flex;flex-direction:column;overflow:hidden}.stage-main{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden}.stage-video{width:100%;height:100%;max-height:70vh;object-fit:contain;background:#10201c}.stage-controls{flex-shrink:0;display:flex;justify-content:space-around;align-items:stretch;gap:4px;padding:8px 8px calc(8px + env(safe-area-inset-bottom,0px));background:#0a1613f7;border-top:1px solid rgba(241,239,230,.08)}.stage-controls button{flex:1;max-width:110px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:transparent;border:none;color:var(--paper);padding:7px 2px;border-radius:10px;font-size:.7rem;font-weight:500}.stage-controls button:hover{background:#f1efe61a;opacity:1}.stage-controls button:disabled{opacity:.5}.stage-controls .ctrl-icon{font-size:1.25rem;line-height:1}.stage-controls .ctrl-label{line-height:1;white-space:nowrap}.stage-note{position:absolute;top:10px;left:12px;color:#d7e0dc}.caption-controls{position:absolute;top:10px;right:10px;display:flex;gap:6px;z-index:2}.caption-controls button{font-size:.75rem;padding:5px 9px;background:#00000073;color:var(--paper);border-color:#f1efe666}.caption-overlay{position:absolute;bottom:14px;left:50%;transform:translate(-50%);max-width:85%;background:#000000a6;color:#fff;padding:8px 14px;border-radius:8px;font-size:.95rem;text-align:center;z-index:2}.caption-overlay p{margin:2px 0}.caption-error{position:absolute;top:44px;right:10px;max-width:240px;background:#b3432be6;color:#fff;padding:6px 10px;border-radius:6px;font-size:.8rem;z-index:2}.tile-grid{width:100%;height:100%;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-auto-rows:minmax(140px,1fr);gap:6px;padding:6px;overflow-y:auto}.tile{position:relative;background:#0b1512;border-radius:8px;overflow:hidden;min-height:160px}.tile video{width:100%;height:100%;object-fit:contain}.tile-label{position:absolute;left:8px;bottom:8px;background:#0000008c;color:#f1efe6;font-size:.75rem;padding:2px 8px;border-radius:999px}.side-panel{display:flex;flex-direction:column;gap:1rem;height:100%;overflow-y:auto;padding-right:2px}.panel{background:var(--paper-raised);border:1px solid var(--line);border-radius:12px;padding:1rem}.panel h3.collapsible{cursor:pointer}.badge{display:inline-block;background:var(--chalk-yellow);color:var(--ink);border-radius:999px;padding:1px 8px;font-size:.75rem;font-family:Inter,sans-serif;vertical-align:middle}.hand-queue{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.hand-queue li{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding-top:8px}.hand-queue li:first-child{border-top:none;padding-top:0}.hand-queue p{margin:2px 0 0}.hand-queue-actions{display:flex;gap:6px;flex-shrink:0}.hand-queue-actions button{font-size:.8rem;padding:6px 10px}.speakers-heading{margin-top:1rem}.roster-list{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-direction:column;gap:4px;max-height:160px;overflow-y:auto}.roster-list li{font-size:.9rem;border-top:1px solid var(--line);padding-top:4px}.roster-list li:first-child{border-top:none;padding-top:0}.roster-mod li,.file-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.roster-actions{display:flex;gap:4px;flex-shrink:0}.roster-actions button,.file-row button{font-size:.75rem;padding:4px 8px}.row-actions{display:flex;flex-wrap:wrap;gap:4px;justify-content:flex-end;flex-shrink:0}button.danger{color:var(--error);border-color:#b3432b59}button.danger:hover{background:#b3432b14;opacity:1}.subject-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.subject-card-header h3{margin:0;flex:1}.subject-card-header button{flex-shrink:0;font-size:.78rem}.whiteboard-canvas{width:100%;border-radius:8px;border:1px solid var(--line);background:#fff;touch-action:none;cursor:crosshair;margin-bottom:8px}.chat{display:flex;flex-direction:column}.chat-messages{max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:6px;margin:.5rem 0}.chat-message{font-size:.9rem}.chat-author{font-weight:600;margin-right:6px}.chat-author.teacher{color:var(--chalkboard)}.chat-author.teacher:after{content:" (teacher)";font-weight:400;font-size:.75rem;color:var(--muted)}.chat-input{display:flex;gap:6px}.chat-input input{margin-bottom:0}select{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--line);font-size:1rem;margin-bottom:12px;background:var(--paper);color:var(--ink);font-family:Inter,sans-serif}.admin-wrap{max-width:800px;margin:2rem auto;padding:0 1.5rem}.admin-create{margin-bottom:1.5rem}.admin-create-form{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.admin-create-form button{grid-column:1 / -1}.admin-table{width:100%;border-collapse:collapse;background:var(--paper-raised);border:1px solid var(--line);border-radius:10px;overflow:hidden}.admin-table th,.admin-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:.9rem}.admin-table th{background:var(--paper);font-weight:600}.admin-actions{display:flex;gap:6px}.admin-actions button{font-size:.8rem;padding:6px 10px}.admin-reset-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 0}.admin-reset-row input{margin:0;max-width:260px}.admin-reset-row button{flex-shrink:0}.status-badge{padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:600}.status-pending{background:#f3e3b8;color:#6b4e0a}.status-approved{background:#cfe3d8;color:#1c4030}.status-disabled{background:#e7c8c2;color:#6b2b1f}.subject-card{margin-bottom:1rem}.subject-card h3.collapsible{cursor:pointer;margin-bottom:4px}.admin-section{margin-top:1.5rem;padding-top:1.25rem;border-top:1px solid var(--line)}.admin-section:first-of-type{margin-top:1rem}.admin-section-label{margin:0 0 2px;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;font-weight:600;color:var(--chalkboard)}.admin-section-hint{margin:0 0 10px}.admin-upload-label{display:inline-flex;align-items:center;justify-content:center;width:100%;cursor:pointer;text-align:center}.syllabus-view{width:100%;border:1px solid var(--line);border-radius:10px;margin-top:1rem;background:#fff}.syllabus-frame{height:80vh}.quiz-options{display:flex;flex-direction:column;gap:6px;margin:10px 0}.quiz-option{display:flex;align-items:center;gap:8px;font-size:.95rem}.quiz-textarea{width:100%;min-height:70px;padding:8px 10px;border-radius:8px;border:1px solid var(--line);font-family:Inter,sans-serif;font-size:.95rem;margin:10px 0;background:var(--paper);color:var(--ink)}.quiz-feedback-good{color:#1c4030;font-size:.9rem}.quiz-feedback-poor{color:var(--error);font-size:.9rem}.recorder-mic-row{display:flex;align-items:center;justify-content:space-between;margin-top:10px;padding:8px 12px;border-radius:8px;background:var(--paper);border:1px solid var(--line)}.mic-indicator-on{color:#1c4030;font-weight:600;font-size:.9rem}.mic-indicator-off{color:var(--error);font-weight:600;font-size:.9rem}.audio-only-placeholder{display:flex;align-items:center;justify-content:center;height:160px;border-radius:10px;background:var(--chalkboard);color:var(--paper);font-size:1rem}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:.75rem 1.5rem;background:var(--chalkboard);color:var(--paper);box-shadow:0 1px 2px #0000001f}.topbar-back{display:inline-flex;align-items:center;gap:6px;background:transparent;color:var(--paper);border:1px solid rgba(241,239,230,.35);padding:6px 12px;font-size:.85rem;border-radius:999px;flex-shrink:0}.topbar-back:hover{background:#f1efe61f;opacity:1}.topbar-title{margin:0;font-size:1.05rem;color:var(--paper);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-home{flex-shrink:0;font-size:.85rem;color:#c7d3cf;text-decoration:none;border-bottom:1px solid transparent}.topbar-home:hover{border-bottom-color:#c7d3cf}.dashboard-shell{min-height:100vh;min-height:100dvh;background:var(--paper)}.dashboard-header{padding:2rem 1.5rem 1rem;max-width:920px;margin:0 auto}.dashboard-eyebrow{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;margin:0 0 4px}.dashboard-header h1{font-size:1.9rem}.dashboard-body{max-width:920px;margin:0 auto;padding:0 1.5rem 3rem}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:1.25rem}.dash-tile{display:flex;flex-direction:column;gap:6px;text-align:left;background:var(--paper-raised);border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.2rem;cursor:pointer;text-decoration:none;color:var(--ink);transition:border-color .15s ease,transform .15s ease}.dash-tile:hover{border-color:var(--chalkboard);transform:translateY(-1px)}.dash-tile:focus-visible{outline:2px solid var(--chalk-yellow);outline-offset:2px}.dash-tile-icon{width:34px;height:34px;border-radius:9px;background:var(--sage);display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:2px}.dash-tile-title{font-family:Fraunces,Georgia,serif;font-weight:600;font-size:1.05rem}.dash-tile-desc{color:var(--muted);font-size:.85rem;line-height:1.4}.dash-tile.primary{background:var(--chalkboard);border-color:var(--chalkboard);color:var(--paper)}.dash-tile.primary .dash-tile-desc{color:#c7d3cf}.dash-tile.primary .dash-tile-icon{background:#f1efe626}.dashboard-section+.dashboard-section{margin-top:1.75rem}.auth-shell{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:radial-gradient(circle at 15% 20%,rgba(224,185,74,.16),transparent 45%),radial-gradient(circle at 85% 85%,rgba(34,64,58,.1),transparent 45%),var(--paper)}.auth-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:16px;padding:2.25rem 2rem;width:100%;max-width:400px;box-shadow:0 8px 28px #1c2b2a14}.auth-mark{width:40px;height:40px;border-radius:10px;background:var(--chalkboard);color:var(--chalk-yellow);display:flex;align-items:center;justify-content:center;font-family:Fraunces,Georgia,serif;font-weight:600;margin-bottom:14px}.auth-card h1{font-size:1.5rem;margin-bottom:4px}.auth-card p.muted{margin-bottom:1.5rem}.auth-card button[type=submit]{width:100%;margin-top:4px}.role-toggle{display:flex;gap:8px;margin-bottom:12px}.role-toggle button{flex:1;background:var(--paper);color:var(--ink);border:1px solid var(--line);font-weight:500;padding:9px 10px}.role-toggle button.active{background:var(--chalkboard);color:var(--paper);border-color:var(--chalkboard)}.auth-divider{display:flex;align-items:center;gap:10px;margin:14px 0;color:var(--muted);font-size:.8rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--line)}.google-button-wrap{display:flex;justify-content:center;margin-bottom:4px}.password-strength{display:flex;align-items:center;gap:8px;margin:-8px 0 12px}.password-strength-bars{display:flex;gap:4px;flex:1}.ps-bar{flex:1;height:4px;border-radius:2px;background:var(--line)}.ps-bar.ps-filled.ps-s1{background:#b3432b}.ps-bar.ps-filled.ps-s2{background:#d98a3d}.ps-bar.ps-filled.ps-s3{background:#8fa84e}.ps-bar.ps-filled.ps-s4{background:#2f7d4f}.password-strength-label{font-size:.75rem;color:var(--muted);flex-shrink:0;white-space:nowrap}.install-banner{position:fixed;left:50%;bottom:16px;transform:translate(-50%);width:calc(100% - 32px);max-width:420px;z-index:100;display:flex;align-items:center;gap:12px;background:var(--chalkboard);color:var(--paper);border-radius:14px;padding:12px 14px;box-shadow:0 10px 30px #00000040}.install-banner-icon{flex-shrink:0;width:36px;height:36px;border-radius:9px;background:#f1efe61f;color:var(--chalk-yellow);display:flex;align-items:center;justify-content:center;font-family:Fraunces,Georgia,serif;font-weight:600;font-size:.9rem}.install-banner-body{flex:1;min-width:0}.install-banner-title{margin:0;font-weight:600;font-size:.92rem}.install-banner-desc{margin:2px 0 0;font-size:.78rem;color:#c7d3cf;line-height:1.35}.install-banner-actions{display:flex;flex-direction:column;gap:6px;flex-shrink:0}.install-banner-actions button{padding:6px 12px;font-size:.8rem;white-space:nowrap}.install-banner-actions button.ghost{color:#c7d3cf;border-color:#f1efe64d}@media (max-width: 480px){.install-banner{flex-wrap:wrap}.install-banner-actions{flex-direction:row;width:100%}.install-banner-actions button{flex:1}}