:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#1a1a2e;color:#eee;min-height:100vh}#root{min-height:100vh;width:100%}.app{min-height:100vh;display:flex;flex-direction:column;width:100%}.join-screen{justify-content:center;align-items:center;padding:20px;width:100%}.room-screen{padding:20px;width:100%;display:flex;flex-direction:row;gap:12px;align-items:stretch;flex:1}.room-main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:16px}.mode-change-flash{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#0f3460d9;color:#fff;padding:14px 28px;border-radius:8px;font-size:.95rem;font-weight:500;letter-spacing:.02em;pointer-events:none;z-index:200;box-shadow:0 4px 16px #00000059;animation:modeChangeFlash 1.5s ease-out forwards}@keyframes modeChangeFlash{0%{opacity:0;transform:translate(-50%,-45%)}15%{opacity:1;transform:translate(-50%,-50%)}80%{opacity:1;transform:translate(-50%,-50%)}to{opacity:0;transform:translate(-50%,-50%)}}@keyframes modeChangeFlashReduced{0%{opacity:0}15%{opacity:1}80%{opacity:1}to{opacity:0}}@media(prefers-reduced-motion:reduce){.mode-change-flash{animation-name:modeChangeFlashReduced}}.sidebar{flex:0 0 340px;display:flex;flex-direction:column;background:#16213e;overflow:hidden;box-shadow:-4px 0 16px #0000004d;min-height:0;margin:-20px -20px -20px 0}.sidebar-header{display:flex;align-items:stretch;border-bottom:1px solid #0f3460;flex-shrink:0}.sidebar-tabs{display:flex;flex:1}.sidebar-tab{flex:1;padding:14px 12px;background:transparent;border:0;color:#ffffffb3;font:inherit;font-weight:500;cursor:pointer;position:relative;display:flex;align-items:center;justify-content:center;gap:8px;transition:color .12s ease-out,background .12s ease-out}.sidebar-tab:hover{color:#fff;background:#ffffff0a}.sidebar-tab.active{color:#4ecca3}.sidebar-tab.active:after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:#4ecca3;border-radius:1px}.sidebar-tab .tab-badge{background:#e94560;color:#fff;font-size:.7rem;font-weight:600;border-radius:10px;padding:1px 6px;min-width:18px;text-align:center;line-height:1.4}.sidebar-tab.active .tab-badge{opacity:.7}.sidebar-close{background:transparent;border:0;color:#ffffffb3;cursor:pointer;padding:12px;display:flex;align-items:center;justify-content:center;transition:color .12s ease-out}.sidebar-close:hover{color:#fff}.sidebar-content{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.join-form{background:#16213e;padding:40px;border-radius:16px;width:100%;max-width:400px;box-shadow:0 10px 40px #0000004d}.join-form h1{text-align:center;margin-bottom:30px;color:#4ecca3;font-size:1.8rem}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#888;font-size:.9rem}.form-group input,.form-group select{width:100%;padding:12px 16px;border:2px solid #0f3460;border-radius:8px;background:#0f3460;color:#eee;font-size:1rem;transition:border-color .2s}.form-group input:focus,.form-group select:focus{outline:none;border-color:#4ecca3}.form-group input::placeholder{color:#666}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer}.checkbox-label input[type=checkbox]{width:18px;height:18px;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;width:100%}.btn-primary{background:#4ecca3;color:#1a1a2e}.btn-primary:hover{background:#3dba92;transform:translateY(-1px)}.btn-primary:disabled{background:#555;color:#888;cursor:not-allowed;transform:none}.guest-screen{display:flex;flex-direction:column;align-items:stretch;width:100%;max-width:400px}.guest-back-link{align-self:flex-start;margin-bottom:12px;margin-top:0;width:auto;padding:6px 0;text-align:left}.btn-link{background:none;border:none;color:#4ecca3;font-size:.9rem;cursor:pointer;margin-top:16px;display:block;text-align:center;width:100%;padding:8px;text-decoration:none}.auth-fallback-hint{margin-top:20px;padding:12px 14px;background:#2a2a4a;border:1px solid #4a4a6a;border-left:3px solid #f4b942;border-radius:6px;color:#d4d4dc;font-size:.875rem;line-height:1.45}.auth-fallback-hint p{margin:0}.auth-fallback-hint strong{color:#f4b942}.auth-fallback-hint .join-link-form{margin-top:12px;display:flex;flex-direction:column;gap:8px}.auth-fallback-hint .join-link-form input{width:100%;padding:8px 10px;background:#1a1a2e;border:1px solid #4a4a6a;border-radius:4px;color:#fff;font-size:.85rem;font-family:ui-monospace,SF Mono,Menlo,monospace}.auth-fallback-hint .join-link-form button{align-self:flex-start}.btn-link:hover{color:#3dba92;text-decoration:underline}.profile-chip{display:inline-flex;align-items:center;gap:8px;background:#16213e;border:1px solid #0f3460;border-radius:999px;padding:6px 12px;color:#eee;font-size:.85rem}.profile-chip .role-badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#0f3460;color:#4ecca3;font-size:.7rem;text-transform:uppercase;font-weight:600;letter-spacing:.5px}.profile-chip .signout-btn{background:none;border:none;color:#888;cursor:pointer;padding:0 4px;font-size:.85rem}.profile-chip .signout-btn:hover{color:#e94560}.my-classrooms{background:#16213e;padding:32px;border-radius:16px;width:100%;max-width:560px;box-shadow:0 10px 40px #0000004d}.my-classrooms-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.my-classrooms-header h1{color:#4ecca3;font-size:1.4rem;margin:0}.classroom-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}.classroom-row{display:flex;flex-direction:column;gap:4px;padding:14px 16px;background:#0f3460;border:1px solid transparent;border-radius:8px;cursor:pointer;transition:all .15s;text-align:left;color:#eee;font-family:inherit;font-size:inherit}.classroom-row:hover{border-color:#4ecca3;transform:translateY(-1px)}.classroom-row .classroom-title{font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:8px}.classroom-row .classroom-meta{color:#888;font-size:.85rem}.live-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;background:#e94560;color:#fff;border-radius:4px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.offline-badge{margin:0 0 16px;padding:8px 12px;background:#2a2a4a;border:1px solid #4a4a6a;border-left:3px solid #f4b942;border-radius:4px;color:#d4d4dc;font-size:.8rem}.live-pill:before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 6px #fffc;animation:live-pulse 1.6s ease-in-out infinite}@keyframes live-pulse{0%,to{opacity:1}50%{opacity:.4}}.empty-state{text-align:center;color:#888;padding:24px 0;font-size:.95rem}.divider-label{display:flex;align-items:center;gap:12px;color:#666;font-size:.8rem;text-transform:uppercase;letter-spacing:1px;margin:8px 0}.divider-label:before,.divider-label:after{content:"";flex:1;height:1px;background:#0f3460}.status-indicator{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:20px;color:#888;font-size:.9rem}.status-dot{width:10px;height:10px;border-radius:50%}.status-dot.connected{background:#4ecca3;box-shadow:0 0 10px #4ecca3}.status-dot.disconnected{background:#e94560}.error-message{background:#e9456033;border:1px solid #e94560;color:#e94560;padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:.9rem}.video-grid{flex:1;display:grid;gap:16px;margin-bottom:20px;width:100%}.video-grid.grid-1{grid-template-columns:1fr;max-width:800px;margin:0 auto}.video-grid.grid-2,.video-grid.grid-4{grid-template-columns:repeat(2,1fr)}.video-grid.grid-6{grid-template-columns:repeat(3,1fr)}.video-grid.grid-many{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.video-grid.layout-speaker,.video-grid.layout-presentation{--strip-height: 117px;--shadow-room: 20px;position:relative;display:flex;gap:12px;padding:var(--shadow-room) var(--shadow-room) 0;height:calc(100vh - 180px);min-height:400px;overflow-x:auto;overflow-y:hidden;scroll-behavior:smooth;align-items:flex-start}.video-grid.layout-speaker .video-tile,.video-grid.layout-presentation .video-tile{flex:0 0 auto;height:105px}.video-grid.layout-speaker .video-tile.spotlighted,.video-grid.layout-presentation .video-tile.spotlighted{position:absolute;top:calc(var(--strip-height) + var(--shadow-room));left:50%;transform:translate(-50%);height:calc(100% - var(--strip-height) - var(--shadow-room) * 2);aspect-ratio:16 / 9;max-width:calc(100% - var(--shadow-room) * 2);width:auto;flex:none;z-index:1}.video-grid.layout-speaker>.video-tile:not(.spotlighted),.video-grid.layout-presentation>.video-tile:not(.spotlighted){margin-top:0}.video-grid[data-hide-self=true] .video-tile.local{display:none}.video-grid:fullscreen{background:#0a0a14;padding:0;height:100vh;min-height:100vh;--strip-height: 117px}.video-grid:-webkit-full-screen{background:#0a0a14;padding:0;height:100vh;min-height:100vh;--strip-height: 117px}.video-grid:fullscreen .video-tile.spotlighted{top:var(--strip-height);left:0;transform:none;right:0;width:100%;max-width:100%;height:calc(100% - var(--strip-height));border-radius:0}.video-grid:-webkit-full-screen .video-tile.spotlighted{top:var(--strip-height);left:0;transform:none;right:0;width:100%;max-width:100%;height:calc(100% - var(--strip-height));border-radius:0}.video-tile-fullscreen-btn{position:absolute;top:12px;right:12px;z-index:5;width:40px;height:40px;padding:0;border-radius:8px;border:1px solid rgba(255,255,255,.25);background:#000000b3;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #00000073;transition:background .15s ease,transform .15s ease,border-color .15s ease}.video-tile-fullscreen-btn:hover{background:#000000d9;border-color:#ffffff73;transform:scale(1.05)}.video-tile-fullscreen-btn:focus-visible{outline:2px solid #4ecca3;outline-offset:2px}.video-grid.layout-speaker::-webkit-scrollbar,.video-grid.layout-presentation::-webkit-scrollbar{height:6px}.video-grid.layout-speaker::-webkit-scrollbar-track,.video-grid.layout-presentation::-webkit-scrollbar-track{background:transparent}.video-grid.layout-speaker::-webkit-scrollbar-thumb,.video-grid.layout-presentation::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}.video-grid.layout-speaker::-webkit-scrollbar-thumb:hover,.video-grid.layout-presentation::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.video-tile.screen-share{border:2px solid #4ecca3}.video-tile.screen-share video{transform:none}.video-grid.layout-presentation .video-tile.spotlighted.screen-share video{object-fit:contain;background:#000}.video-tile{position:relative;background:#16213e;border-radius:12px;overflow:hidden;aspect-ratio:16 / 9}.video-tile video{width:100%;height:100%;object-fit:cover;background:#000}.video-tile.local video{transform:scaleX(-1)}.video-tile video.video-off{opacity:0}.video-tile.speaking{outline:3px solid #4ecca3;outline-offset:-3px;box-shadow:0 0 12px #4ecca373;transition:outline-color .12s ease-out,box-shadow .12s ease-out}.video-tile.dominant{outline-width:4px;box-shadow:0 0 18px #4ecca3b3}.indicator.speaking-bars{display:inline-flex;align-items:flex-end;gap:2px;width:28px;height:28px;padding:6px 7px;background:#4ecca3d9;border-radius:50%;box-sizing:border-box}.indicator.speaking-bars span{flex:1;background:#fff;border-radius:1px;transform-origin:bottom;animation:speaking-bar .6s ease-in-out infinite}.indicator.speaking-bars span:nth-child(1){animation-delay:0ms;height:50%}.indicator.speaking-bars span:nth-child(2){animation-delay:.15s;height:90%}.indicator.speaking-bars span:nth-child(3){animation-delay:.3s;height:70%}@keyframes speaking-bar{0%,to{transform:scaleY(.4)}50%{transform:scaleY(1)}}@media(prefers-reduced-motion:reduce){.indicator.speaking-bars span{animation:none;transform:scaleY(.7)}.video-tile.speaking,.video-tile.dominant{transition:none}}.video-overlay{position:absolute;bottom:0;left:0;right:0;padding:12px;background:linear-gradient(transparent,#000000b3);display:flex;justify-content:space-between;align-items:flex-end}.display-name{font-size:.9rem;font-weight:500;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.5)}.media-indicators{display:flex;gap:8px}.indicator{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#e94560cc;color:#fff}.no-video{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0f3460}.avatar{width:80px;height:80px;border-radius:50%;background:#4ecca3;color:#1a1a2e;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:600}.controls{background:#16213e;border-radius:12px;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.room-info{display:flex;align-items:center;gap:12px}.room-id{color:#888;font-size:.9rem}.control-buttons{display:flex;gap:12px}.control-btn{width:22px;height:22px;padding:.7rem;box-sizing:content-box;border:none;border-radius:50%;background:#0f3460;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.control-btn:hover{background:#1a4480;transform:scale(1.05)}.control-btn.off{background:#e94560}.control-btn.off:hover{background:#d63850}.control-btn.leave{background:#e94560}.control-btn.leave:hover{background:#d63850}.control-btn.active{background:#4ecca3;color:#1a1a2e}.control-btn.active:hover{background:#3db892}.control-btn[data-tooltip]{position:relative}.control-btn[data-tooltip]:after,.control-btn[data-tooltip]:before{opacity:0;pointer-events:none;transition:opacity .12s ease 0s;z-index:100}.control-btn[data-tooltip]:after{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);padding:5px 8px;background:#16213e;color:#eee;border:1px solid #0f3460;font-size:11px;font-weight:500;line-height:1.3;white-space:nowrap;border-radius:4px;box-shadow:0 2px 8px #0006}.control-btn[data-tooltip]:before{content:"";position:absolute;bottom:calc(100% + 2px);left:50%;transform:translate(-50%);border:4px solid transparent;border-top-color:#0f3460}.control-btn[data-tooltip]:hover:after,.control-btn[data-tooltip]:hover:before,.control-btn[data-tooltip]:focus-visible:after,.control-btn[data-tooltip]:focus-visible:before{opacity:1;transition-delay:75ms}.screen-share-badge{position:absolute;top:8px;left:8px;background:#4ecca3e6;color:#1a1a2e;padding:4px 10px;border-radius:4px;font-size:12px;font-weight:600;z-index:10}@media(max-width:768px){.video-grid.grid-2,.video-grid.grid-4{grid-template-columns:1fr}.controls{flex-direction:column;gap:16px}.room-info{width:100%;justify-content:center}.video-grid.layout-speaker,.video-grid.layout-presentation{--strip-height: 107px;height:calc(100vh - 220px)}.video-grid.layout-speaker .video-tile,.video-grid.layout-presentation .video-tile{flex:0 0 140px;height:95px}}.toast-container{position:fixed;top:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;min-width:300px;max-width:400px;color:#fff;font-size:.9rem;box-shadow:0 4px 12px #0000004d;animation:toastSlideIn .3s ease;pointer-events:auto}.toast-error{background:#e94560f2}.toast-warning{background:#ffc107f2;color:#1a1a2e}.toast-info{background:#3282b8f2}.toast-success{background:#4ecca3f2}.toast-icon{display:flex;flex-shrink:0}.toast-message{flex:1;line-height:1.4}.toast-dismiss{display:flex;align-items:center;justify-content:center;background:none;border:none;color:inherit;cursor:pointer;padding:4px;opacity:.7;transition:opacity .2s;flex-shrink:0}.toast-dismiss:hover{opacity:1}@keyframes toastSlideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.reconnection-overlay{position:fixed;inset:0;background:#1a1a2ee6;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:999;gap:20px}.reconnection-content{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}.reconnection-spinner{width:48px;height:48px;border:4px solid rgba(78,204,163,.2);border-top-color:#4ecca3;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.reconnection-title{font-size:1.5rem;font-weight:600;color:#fff;margin:0}.reconnection-subtitle{font-size:.9rem;color:#ffffffb3;margin:0}.reconnection-failed{color:#e94560}.reconnection-btn{padding:12px 24px;background:#4ecca3;color:#1a1a2e;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s}.reconnection-btn:hover{background:#3db892}@media(max-width:768px){.toast-container{left:20px;right:20px}.toast{min-width:auto;max-width:none}}.quality-badge{display:flex;align-items:center;gap:6px}.quality-badge-small{height:16px}.quality-badge-medium{height:20px}.quality-badge-large{height:24px}.quality-bars{display:flex;align-items:flex-end;gap:2px;height:100%}.quality-bar{width:4px;border-radius:1px;transition:background-color .3s ease,height .3s ease}.quality-badge-small .quality-bar{width:3px}.quality-badge-medium .quality-bar{width:4px}.quality-badge-large .quality-bar{width:5px}.quality-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.connection-quality-badge{position:absolute;top:8px;right:8px;background:#0009;padding:4px 6px;border-radius:4px;z-index:10}.local-quality-indicator{display:flex;align-items:center;background:#0f3460cc;padding:4px 10px;border-radius:4px;margin-left:8px}@keyframes qualityPulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.quality-badge.quality-changed{animation:qualityPulse .3s ease}.chat-panel-content{flex:1;display:flex;flex-direction:column;min-height:0}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:#666;font-size:.9rem}.chat-message{display:flex;flex-direction:column;max-width:85%;align-self:flex-start}.chat-message.own{align-self:flex-end}.chat-message-sender{font-size:.75rem;color:#888;margin-bottom:4px;font-weight:500}.chat-message-content{align-self:flex-start;background:#0f3460;padding:10px 14px;border-radius:4px 12px 12px;font-size:.9rem;line-height:1.4;color:#eee;word-wrap:break-word;word-break:break-word;overflow-wrap:break-word}.chat-message.own .chat-message-content{align-self:flex-end;background:#4ecca3;color:#1a1a2e;border-top-left-radius:12px;border-top-right-radius:4px}.chat-message-time{font-size:.7rem;color:#666;margin-top:4px;align-self:flex-end}.chat-message.own .chat-message-time{align-self:flex-start}.chat-message.pending{animation:chat-pending-dim .15s linear .4s forwards}@keyframes chat-pending-dim{to{opacity:.55}}.chat-message.failed{opacity:.75}.chat-message-failed{color:#e5484d}.chat-typing{font-size:.8rem;color:#888;font-style:italic;padding:4px 0}.chat-input-container{display:flex;gap:8px;padding:12px 16px;border-top:1px solid rgba(255,255,255,.1)}.chat-input{flex:1;padding:10px 14px;border:2px solid #0f3460;border-radius:8px;background:#0f3460;color:#eee;font-size:.9rem;transition:border-color .2s}.chat-input:focus{outline:none;border-color:#4ecca3}.chat-input::placeholder{color:#666}.chat-input:disabled{opacity:.6;cursor:not-allowed}.chat-send-btn{display:flex;align-items:center;justify-content:center;width:22px;height:22px;padding:.7rem;box-sizing:content-box;border:none;border-radius:8px;background:#4ecca3;color:#1a1a2e;cursor:pointer;transition:all .2s}.chat-send-btn:hover:not(:disabled){background:#3db892;transform:scale(1.05)}.chat-send-btn:disabled{background:#555;color:#888;cursor:not-allowed;transform:none}.chat-badge{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;padding:0 6px;background:#e94560;color:#fff;border-radius:10px;font-size:.7rem;font-weight:600;display:flex;align-items:center;justify-content:center;animation:badgePop .2s ease}@keyframes badgePop{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.control-btn{position:relative}.participant-badge{position:absolute;top:-4px;right:-4px;background:#4ecca3;color:#1a1a2e;font-size:11px;font-weight:600;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px}@media(max-width:768px){.room-screen{flex-direction:column}.sidebar{position:fixed;inset:0;margin:0;border-radius:0;z-index:100;flex:0 0 auto}}.participant-panel-content{flex:1;display:flex;flex-direction:column;min-height:0}.participant-list{flex:1;overflow-y:auto;padding:8px}.participant-list::-webkit-scrollbar{width:6px}.participant-list::-webkit-scrollbar-track{background:transparent}.participant-list::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}.participant-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;transition:background .2s}.participant-item:hover{background:#ffffff0d}.participant-avatar{position:relative;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#4ecca3,#0f3460);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:#fff;flex-shrink:0}.participant-role-badge{position:absolute;bottom:-2px;right:-2px;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:2px solid #16213e}.participant-role-badge.host{background:#f1c40f;color:#1a1a2e}.participant-role-badge.cohost{background:#9b59b6;color:#fff}.participant-info{flex:1;min-width:0}.participant-name{font-size:14px;font-weight:500;color:#eee;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.participant-you-label{color:#4ecca3;font-weight:400;margin-left:4px}.participant-role-text{font-size:11px;color:#888;text-transform:uppercase;letter-spacing:.5px}.participant-media-icons{display:flex;align-items:center;gap:6px;flex-shrink:0}.participant-media-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:4px}.participant-media-icon.on{color:#4ecca3}.participant-media-icon.off{color:#e94560;opacity:.7}.participant-media-icon.screen{color:#3498db}.participant-quality-indicator{display:flex;align-items:center;justify-content:center}.participant-actions{display:flex;gap:4px;margin-left:auto;padding-left:8px;opacity:0;transition:opacity .2s ease}.participant-item:hover .participant-actions{opacity:1}.participant-action-btn{width:24px;height:24px;border:none;border-radius:4px;background:#ffffff1a;color:#bbb;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.participant-action-btn:hover{background:#fff3;color:#fff}.participant-action-btn.kick:hover{background:#e945604d;color:#e94560}.participant-action-btn.make-host:hover{background:#4ecca34d;color:#4ecca3}.participant-action-btn.force-video-off,.participant-action-btn.force-audio-off{color:#e94560}.participant-action-btn.force-video-off:hover,.participant-action-btn.force-video-off:focus-visible,.participant-action-btn.force-audio-off:hover,.participant-action-btn.force-audio-off:focus-visible{background:#e945602e;color:#e94560}.participant-action-btn[data-tooltip],.lower-hand-btn[data-tooltip]{position:relative}.participant-action-btn[data-tooltip]:after,.lower-hand-btn[data-tooltip]:after,.participant-action-btn[data-tooltip]:before,.lower-hand-btn[data-tooltip]:before{opacity:0;pointer-events:none;transition:opacity .12s ease 0s;z-index:100}.participant-action-btn[data-tooltip]:after,.lower-hand-btn[data-tooltip]:after{content:attr(data-tooltip);position:absolute;right:calc(100% + 8px);top:50%;transform:translateY(-50%);padding:5px 8px;background:#16213e;color:#eee;border:1px solid #0f3460;font-size:11px;font-weight:500;line-height:1.3;white-space:nowrap;border-radius:4px;box-shadow:0 2px 8px #0006}.participant-action-btn[data-tooltip]:before,.lower-hand-btn[data-tooltip]:before{content:"";position:absolute;right:calc(100% + 0px);top:50%;transform:translateY(-50%);border:4px solid transparent;border-left-color:#0f3460}.participant-action-btn[data-tooltip]:hover:after,.lower-hand-btn[data-tooltip]:hover:after,.participant-action-btn[data-tooltip]:hover:before,.lower-hand-btn[data-tooltip]:hover:before,.participant-action-btn[data-tooltip]:focus-visible:after,.lower-hand-btn[data-tooltip]:focus-visible:after,.participant-action-btn[data-tooltip]:focus-visible:before,.lower-hand-btn[data-tooltip]:focus-visible:before{opacity:1;transition-delay:75ms}.control-btn.recording{background:#dc2626;animation:recordingPulse 1.5s ease-in-out infinite}.control-btn.recording:hover{background:#b91c1c}.control-btn:disabled{opacity:.5;cursor:not-allowed}.control-btn:disabled:hover{transform:none;background:#0f3460}.recording-timer{font-size:11px;font-weight:600;margin-left:4px;font-variant-numeric:tabular-nums;position:absolute;bottom:-18px;left:50%;transform:translate(-50%);white-space:nowrap;color:#dc2626}.recording-indicator{position:absolute;top:8px;right:8px;background:#dc2626e6;color:#fff;padding:4px 10px;border-radius:4px;font-size:12px;font-weight:600;display:flex;align-items:center;gap:6px;z-index:10}.recording-dot{width:8px;height:8px;background:#fff;border-radius:50%;animation:recordingBlink 1s ease-in-out infinite}.recording-banner{position:fixed;top:16px;left:50%;transform:translate(-50%);background:#dc2626f2;color:#fff;padding:10px 20px;border-radius:8px;font-weight:500;font-size:14px;display:flex;align-items:center;gap:10px;z-index:1000;animation:recordingBannerSlideDown .3s ease-out;box-shadow:0 4px 20px #dc262666}@keyframes recordingPulse{0%,to{box-shadow:0 0 #dc262666}50%{box-shadow:0 0 0 8px #dc262600}}@keyframes recordingBlink{0%,to{opacity:1}50%{opacity:.3}}@keyframes recordingBannerSlideDown{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.waiting-room-overlay{position:fixed;inset:0;background:#1a1a2ef2;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:999;gap:20px}.waiting-room-content{text-align:center;max-width:400px;padding:40px}.waiting-room-spinner{width:60px;height:60px;border:4px solid #0f3460;border-top-color:#4ecca3;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 24px}.waiting-room-title{font-size:1.5rem;color:#fff;margin-bottom:12px}.waiting-room-subtitle{color:#888;margin-bottom:8px}.waiting-room-subtitle strong{color:#4ecca3}.waiting-room-message{color:#666;font-size:.9rem;margin-bottom:24px}.waiting-room-timer{color:#e94560;font-size:.85rem;margin-bottom:16px}.waiting-room-cancel-btn{padding:12px 32px;background:transparent;border:2px solid #666;color:#888;border-radius:8px;cursor:pointer;font-size:1rem;transition:all .2s}.waiting-room-cancel-btn:hover{border-color:#e94560;color:#e94560}.waiting-approval-panel{position:fixed;top:80px;right:20px;background:#16213e;border-radius:12px;padding:16px;min-width:280px;max-width:340px;box-shadow:0 8px 32px #0000004d;z-index:100;animation:waitingPanelSlideIn .3s ease-out}@keyframes waitingPanelSlideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.waiting-approval-header{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid #0f3460}.waiting-approval-header h3{font-size:1rem;color:#fff;margin:0}.waiting-approval-badge{background:#4ecca3;color:#1a1a2e;font-size:.75rem;font-weight:700;padding:4px 8px;border-radius:12px;min-width:24px;text-align:center}.waiting-approval-list{list-style:none;padding:0;margin:0;max-height:300px;overflow-y:auto}.waiting-approval-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #0f3460}.waiting-approval-item:last-child{border-bottom:none}.waiting-user-info{display:flex;flex-direction:column;gap:2px}.waiting-user-name{color:#fff;font-size:.9rem}.waiting-user-meta{color:#666;font-size:.75rem}.waiting-user-actions{display:flex;gap:8px}.waiting-approve-btn,.waiting-reject-btn{padding:6px 12px;border-radius:6px;font-size:.8rem;cursor:pointer;border:none;transition:all .2s}.waiting-approve-btn{background:#4ecca3;color:#1a1a2e}.waiting-approve-btn:hover{background:#3ab892}.waiting-reject-btn{background:transparent;border:1px solid #666;color:#888}.waiting-reject-btn:hover{border-color:#e94560;color:#e94560}.virtual-background-panel{position:fixed;bottom:100px;right:390px;width:320px;max-height:500px;background:#16213e;border-radius:12px;box-shadow:0 8px 32px #0000004d;z-index:100;display:flex;flex-direction:column;animation:panelSlideIn .2s ease-out}@keyframes panelSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.virtual-background-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid rgba(255,255,255,.1)}.virtual-background-header h3{margin:0;font-size:1rem;font-weight:600;color:#fff}.virtual-background-close-btn{width:32px;height:32px;border:none;background:transparent;color:#888;cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s}.virtual-background-close-btn:hover{background:#ffffff1a;color:#fff}.virtual-background-content{padding:16px;overflow-y:auto}.virtual-background-preview{position:relative;width:100%;aspect-ratio:16 / 9;background:#0f0f1a;border-radius:8px;overflow:hidden;margin-bottom:16px}.virtual-background-preview-video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.virtual-background-preview-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#666;font-size:.875rem}.virtual-background-loading-overlay{position:absolute;inset:0;background:#000000b3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#fff;font-size:.875rem}.virtual-background-spinner{width:32px;height:32px;border:3px solid rgba(255,255,255,.2);border-top-color:#4ecca3;border-radius:50%;animation:spin 1s linear infinite}.virtual-background-error,.virtual-background-unsupported{padding:12px;background:#e945601a;border:1px solid rgba(233,69,96,.3);border-radius:8px;color:#e94560;font-size:.875rem;margin-bottom:16px}.virtual-background-unsupported{background:#ffc1071a;border-color:#ffc1074d;color:#ffc107}.virtual-background-section{margin-bottom:16px}.virtual-background-section:last-child{margin-bottom:0}.virtual-background-section h4{margin:0 0 12px;font-size:.75rem;font-weight:600;color:#888;text-transform:uppercase;letter-spacing:.05em}.virtual-background-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.virtual-background-option{aspect-ratio:16 / 9;border:2px solid rgba(255,255,255,.1);border-radius:8px;background:#0f3460;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:all .2s;position:relative;overflow:hidden}.virtual-background-option:hover:not(:disabled){border-color:#4ecca380;transform:scale(1.02)}.virtual-background-option.selected{border-color:#4ecca3;background:#4ecca31a}.virtual-background-option:disabled{opacity:.5;cursor:not-allowed}.virtual-background-option.image-option{background-size:cover;background-position:center}.virtual-background-option-icon{font-size:1.5rem}.virtual-background-option-label{font-size:.625rem;font-weight:500;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.5)}.virtual-background-option.image-option .virtual-background-option-label{position:absolute;bottom:4px;left:0;right:0;text-align:center;background:linear-gradient(transparent,#000000b3);padding:8px 4px 4px}.control-btn.background-btn{position:relative}.control-btn.background-btn.active{background:#4ecca3;color:#1a1a2e}.control-btn.background-btn.loading:after{content:"";position:absolute;inset:4px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin 1s linear infinite}@media(max-width:768px){.virtual-background-panel{position:fixed;bottom:0;left:0;right:0;width:100%;max-height:60vh;border-radius:16px 16px 0 0;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.virtual-background-grid{grid-template-columns:repeat(4,1fr)}}.camera-on-banner{flex:0 0 auto;display:flex;align-items:center;gap:12px;padding:8px 14px;background:#1e293beb;color:#fff;border-radius:8px;font-size:14px;line-height:1.4;box-shadow:0 2px 8px #00000040}.camera-on-banner__icon{flex:0 0 auto;display:inline-flex;align-items:center;color:#fbbf24}.camera-on-banner__message{flex:1 1 auto;min-width:0}.camera-on-banner__cta{flex:0 0 auto;background:#2563eb;color:#fff;border:none;padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer}.camera-on-banner__cta:hover{background:#1d4ed8}.camera-on-banner__dismiss{flex:0 0 auto;background:transparent;border:none;color:#ffffffb3;padding:4px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.camera-on-banner__dismiss:hover{color:#fff}.camera-on-banner--pre-alert{background:#b45309f2}.camera-on-banner--pre-alert .camera-on-banner__icon{color:#fef3c7}.camera-on-banner--pre-alert .camera-on-banner__cta{background:#fff;color:#92400e}.camera-on-banner--pre-alert .camera-on-banner__cta:hover{background:#fef3c7}.camera-on-request-prompt{flex:0 0 auto;display:flex;align-items:flex-start;gap:14px;padding:12px 16px;background:#1e293bf7;color:#fff;border:1px solid #3b82f6;border-left:4px solid #3b82f6;border-radius:8px;box-shadow:0 4px 14px #3b82f640;font-size:14px;line-height:1.4}.camera-on-request-prompt__icon{flex:0 0 auto;display:inline-flex;align-items:center;color:#93c5fd;margin-top:2px}.camera-on-request-prompt__body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:4px}.camera-on-request-prompt__headline{font-size:15px;font-weight:600;color:#fff}.camera-on-request-prompt__detail{font-size:13px;color:#ffffffc7}.camera-on-request-prompt__actions{flex:0 0 auto;display:flex;align-items:center;gap:8px}.camera-on-request-prompt__cta{background:#3b82f6;color:#fff;border:none;padding:8px 16px;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer}.camera-on-request-prompt__cta:hover{background:#2563eb}.camera-on-request-prompt__dismiss{background:transparent;border:1px solid rgba(255,255,255,.25);color:#ffffffd9;padding:7px 12px;border-radius:6px;font-size:13px;cursor:pointer}.camera-on-request-prompt__dismiss:hover{background:#ffffff14;color:#fff}.video-tile.hand-raised{outline:3px solid #f1c40f;outline-offset:-3px}.hand-raised-badge{position:absolute;top:8px;left:8px;width:28px;height:28px;border-radius:50%;background:#f1c40ff2;color:#1a1a1a;display:flex;align-items:center;justify-content:center;z-index:3}.reaction-float-layer{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:4}.reaction-float{position:absolute;bottom:12%;left:50%;font-size:40px;line-height:1;transform:translate(-50%);animation:reaction-float-rise 2s ease-out forwards;will-change:transform,opacity}@keyframes reaction-float-rise{0%{transform:translate(-50%) scale(.8);opacity:0}15%{transform:translate(-50%,-10%) scale(1.1);opacity:1}to{transform:translate(-50%,-180%) scale(1);opacity:0}}@media(prefers-reduced-motion:reduce){.reaction-float{animation:reaction-float-fade 1.2s linear forwards}@keyframes reaction-float-fade{0%{opacity:0}15%{opacity:1}to{opacity:0}}}.reactions-button-wrap{position:relative}.reaction-popover{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);background:#2a2a2a;border:1px solid #444;border-radius:8px;padding:6px;display:flex;flex-direction:column;gap:4px;z-index:50;box-shadow:0 4px 16px #0006}.reaction-popover__row{display:flex;gap:4px}.reaction-popover__button{font-size:24px;width:36px;height:36px;border:0;background:transparent;border-radius:6px;cursor:pointer;padding:0;display:inline-flex;align-items:center;justify-content:center;line-height:1}.reaction-popover__button:hover,.reaction-popover__button:focus-visible{background:#ffffff14}.reaction-burst-icon{position:relative;width:28px;height:24px;display:inline-block}.reaction-burst-icon>span{position:absolute;font-size:14px;line-height:1;display:inline-flex;align-items:center;justify-content:center}.reaction-burst-icon>span:nth-child(1){top:0;left:0;opacity:.7}.reaction-burst-icon>span:nth-child(2){top:0;right:0;opacity:.7}.reaction-burst-icon>span:nth-child(3){bottom:0;left:50%;transform:translate(-50%);font-size:18px}.participant-media-icon.hand-raised{color:#f1c40f}.participant-media-icon.lower-hand-btn{background:transparent;border:0;cursor:pointer;padding:2px;border-radius:4px}.participant-media-icon.lower-hand-btn:hover,.participant-media-icon.lower-hand-btn:focus-visible{background:#f1c40f2e}.hand-raise-notification{position:fixed;top:24px;left:50%;transform:translate(-50%);background:#f1c40ff7;color:#1a1a1a;padding:14px 22px;border-radius:12px;font-size:16px;font-weight:500;display:flex;align-items:center;gap:12px;z-index:100;cursor:pointer;box-shadow:0 6px 24px #00000059;animation:hand-raise-notification-enter .2s ease-out;max-width:min(560px,90vw)}.hand-raise-notification__icon{font-size:26px;flex:0 0 auto}.hand-raise-notification__text{flex:1 1 auto}.hand-raise-notification__dismiss{background:transparent;border:0;cursor:pointer;font-size:22px;color:#1a1a1a;opacity:.55;padding:0 4px;line-height:1}.hand-raise-notification__dismiss:hover,.hand-raise-notification__dismiss:focus-visible{opacity:1}@keyframes hand-raise-notification-enter{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}@media(prefers-reduced-motion:reduce){.hand-raise-notification{animation:none}}.monitor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-left:20px;padding-right:20px}.monitor-badge{color:#e5484d;font-weight:700;font-size:.82rem;letter-spacing:.05em;white-space:nowrap}.monitor-actions{display:flex;align-items:center;gap:10px}.monitor-btn{height:38px;padding:0 16px;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#ffffff0f;color:#e6edf3;font-size:.85rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s,color .15s}.monitor-btn:hover{background:#ffffff1f}.monitor-btn.active{background:#4ecca329;border-color:#4ecca3;color:#4ecca3}.monitor-btn.danger{border-color:#e5484d80;background:#e5484d14;color:#ff7b81}.monitor-btn.danger:hover{background:#e5484d33}.monitor-connecting,.monitor-evicted{display:flex;flex-direction:column;align-items:center;gap:14px;color:#e6edf3;text-align:center}.monitor-evicted h2{margin:0}.chat-readonly-note{padding:12px;text-align:center;font-size:.8rem;color:#8b949e;border-top:1px solid rgba(139,148,158,.2)}.recorder-chat-column{width:320px;flex-shrink:0;display:flex;flex-direction:column;background:#16213e;border-left:1px solid rgba(139,148,158,.2);overflow:hidden}.recorder-chat-column .chat-panel-content{height:100%}.recorder-mode .video-grid.layout-presentation{--recorder-strip-w: 13%;flex-direction:column;align-items:flex-end;gap:10px}.recorder-mode .video-grid.layout-presentation .video-tile.spotlighted{top:0;left:0;transform:none;height:100%;width:calc(100% - var(--recorder-strip-w) - 12px);max-width:none;aspect-ratio:auto}.recorder-mode .video-grid.layout-presentation>.video-tile:not(.spotlighted){width:var(--recorder-strip-w);min-width:0;flex:none;height:auto;aspect-ratio:16 / 9}