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svg{width:20px;height:20px}.classroom-toolbar{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.classroom-status,.classroom-guidance{color:#62647b;font-size:13px;line-height:1.45}.classroom-guidance{margin:8px 0}.classroom-mode{align-items:center;gap:10px;font-size:14px;display:flex}.classroom-mode select{border:1px solid var(--border);background:#fff;border-radius:8px;flex:1;min-width:0;min-height:44px;padding:8px 12px;font-size:16px}.classroom-mode select:focus-visible{outline-offset:2px;outline:2px solid #303167}.classroom-queue-heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.classroom-queue-heading>span{white-space:nowrap;color:#62647b;font-size:12px}.classroom-speaker{justify-content:space-between;align-items:center;gap:12px;padding:10px 0;display:flex}.classroom-speaker p{overflow-wrap:anywhere;min-width:0;font-size:13px}.classroom-speaker p span{color:#62647b;font-size:12px;display:block}.classroom-speaker strong{font-size:14px;display:block}.classroom-queue ol{margin:0;padding:0;list-style:none}.classroom-queue li{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:8px 0;font-size:14px;display:flex}.classroom-waiting-banner{background:#fef9ee;border:1px solid #fde68a;border-radius:10px;flex-direction:column;gap:4px;margin:12px 0 16px;padding:12px 14px;display:flex}.classroom-waiting-count{color:#92400e;align-items:center;gap:6px;margin:0;font-size:14px;display:flex}.classroom-waiting-count strong{color:#78350f}.classroom-waiting-hint{color:#b45309;margin:0;font-size:12px}.classroom-roster-heading{justify-content:space-between;align-items:center;gap:8px;display:flex}.classroom-roster-heading>span{white-space:nowrap;color:#62647b;font-size:12px}.classroom-roster-list{margin:8px 0 0;padding:0;list-style:none}.classroom-roster-item{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:8px 0;font-size:14px;display:flex}.classroom-student-name{overflow-wrap:anywhere;min-width:0;font-weight:500}.classroom-badge{white-space:nowrap;border-radius:9999px;flex:none;align-items:center;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.classroom-badge.badge-speaking{color:#5b21b6;background:#ede9fe;border:1px solid #ddd6fe}.classroom-badge.badge-connected{color:#166534;background:#dcfce7;border:1px solid #bbf7d0}.classroom-badge.badge-waiting{color:#854d0e;background:#fef9c3;border:1px solid #fef08a}.classroom-badge.badge-offline{color:#64748b;background:#f1f5f9;border:1px solid #e2e8f0}.classroom-stage{color:#f8f9ff;background:#122c56;border-radius:12px;flex-direction:column;gap:10px;padding:14px;display:flex;box-shadow:0 2px 8px #122c561f}.classroom-stage.hidden{display:none!important}.classroom-stage-header{color:#d2e4ff;justify-content:space-between;align-items:center;gap:8px;font-size:13px;font-weight:500;display:flex}.classroom-stage-badge{color:#fff;letter-spacing:.02em;background:#2675bb;border-radius:6px;padding:3px 10px;font-size:12px;font-weight:600}.classroom-stage-title{color:#d2e4ff;font-size:13px}.classroom-video-stage{aspect-ratio:16/9;background:#091a33;border-radius:8px;justify-content:center;align-items:center;width:100%;max-height:480px;display:flex;position:relative;overflow:hidden}.classroom-video-stage video{object-fit:contain;background:#000;width:100%;height:100%}.classroom-video-stage video.classroom-track-muted{display:none!important}.classroom-video-stage .classroom-local-camera{transform:scaleX(-1)}.classroom-video-stage:has(.classroom-screen-video):has(.classroom-camera-video) .classroom-camera-video{object-fit:cover;z-index:10;border:2px solid #2675bb;border-radius:8px;width:180px;height:110px;position:absolute;bottom:12px;right:12px;box-shadow:0 4px 14px #00000080}.classroom-video-stage:has(.classroom-screen-video):has(.classroom-camera-video) .classroom-screen-video{object-fit:contain;width:100%;height:100%}.classroom-lesson-actions{justify-content:flex-end;display:flex}@media (max-width:600px){.classroom-video-stage:has(.classroom-screen-video):has(.classroom-camera-video) .classroom-camera-video{width:120px;height:75px;bottom:8px;right:8px}.workspace.classroom-live{gap:10px;padding:16px 12px 28px}.classroom-live .panel{padding:12px}.classroom-live .page-heading h1{font-size:1.3rem;line-height:1.2}.classroom-live .page-heading p{font-size:12px}.classroom-live h2{font-size:1rem}}