*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d0d0d;--divider: #1a1a1a;--divider-hover: #444;--toolbar-bg: rgba(10, 10, 10, .92);--toolbar-hover: rgba(255, 255, 255, .06);--text-primary: #e0e0e0;--text-muted: #666;--text-dim: #444;--accent: #3b82f6;--accent-dim: rgba(59, 130, 246, .3);--drop-highlight: rgba(59, 130, 246, .35);--drop-border: rgba(59, 130, 246, .8);--danger: #ef4444;--font: "JetBrains Mono", "Fira Code", "Consolas", monospace}html,body,#root{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text-primary);font-family:var(--font);font-size:12px;line-height:1.4}button{font-family:var(--font);font-size:12px;cursor:pointer;border:none;background:none;color:inherit}.app{width:100vw;height:100vh;overflow:hidden;position:relative;display:flex;flex-direction:column}.app-panels{flex:1;overflow:hidden;position:relative}.resize-handle{background:var(--divider);transition:background .15s;position:relative;flex-shrink:0}.resize-handle[data-panel-group-direction=horizontal]{width:2px;cursor:col-resize}.resize-handle[data-panel-group-direction=vertical]{height:2px;cursor:row-resize}.resize-handle:hover,.resize-handle[data-resize-handle-active]{background:var(--divider-hover)}.panel-leaf{width:100%;height:100%;position:relative;overflow:hidden;background:var(--bg)}.panel-leaf.panel-leaf-dragging{opacity:.4}.panel-hover-zone{position:absolute;top:0;left:0;right:0;height:6px;z-index:20;pointer-events:all;transition:height .12s ease,background .15s;background:var(--divider);cursor:n-resize}.panel-hover-zone:hover,.panel-hover-zone.panel-hover-zone-active{height:30px;background:#252525;cursor:default}.panel-toolbar{height:30px;display:flex;align-items:center;padding:0 4px;gap:2px;background:var(--toolbar-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;pointer-events:none;transition:opacity .12s;white-space:nowrap;overflow:hidden}.panel-toolbar.panel-toolbar-visible{opacity:1;pointer-events:all}.toolbar-drag-handle{display:flex;align-items:center;justify-content:center;width:22px;height:22px;color:var(--text-muted);cursor:grab;border-radius:3px;flex-shrink:0;transition:background .1s,color .1s}.toolbar-drag-handle:hover{background:var(--toolbar-hover);color:var(--text-primary)}.toolbar-drag-handle:active{cursor:grabbing}.toolbar-drag-handle svg{width:12px;height:12px}.toolbar-url-label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-muted);font-size:11px;padding:3px 5px;border-radius:3px;text-align:left;transition:background .1s,color .1s}.toolbar-url-label:hover{background:var(--toolbar-hover);color:var(--text-primary)}.toolbar-btn{display:flex;align-items:center;justify-content:center;width:22px;height:22px;color:var(--text-muted);border-radius:3px;flex-shrink:0;transition:background .1s,color .1s}.toolbar-btn:hover{background:var(--toolbar-hover);color:var(--text-primary)}.toolbar-btn-close:hover{background:#ef444433;color:var(--danger)}.toolbar-btn svg{width:13px;height:13px}.panel-content-area{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;overflow:hidden}.drop-zone{position:absolute;z-index:15;transition:background .1s,border-color .1s;border:2px solid transparent}.drop-zone-left{left:0;top:0;width:28%;height:100%}.drop-zone-right{right:0;top:0;width:28%;height:100%}.drop-zone-top{left:28%;top:0;width:44%;height:28%}.drop-zone-bottom{left:28%;bottom:0;width:44%;height:28%}.drop-zone.drop-zone-over{background:var(--drop-highlight);border-color:var(--drop-border)}body.is-dragging iframe{pointer-events:none!important}.empty-panel{width:100%;height:100%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s}.empty-panel:hover{background:#ffffff05}.empty-panel-inner{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-dim);transition:color .15s;-webkit-user-select:none;user-select:none}.empty-panel:hover .empty-panel-inner{color:var(--text-muted)}.empty-icon{width:36px;height:36px;opacity:.5}.empty-label{font-size:13px;font-weight:500}.empty-hint{font-size:11px;color:var(--text-dim)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000b3;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{background:#141414;border:1px solid #2a2a2a;border-radius:8px;width:min(560px,calc(100vw - 32px));overflow:hidden;box-shadow:0 24px 48px #0009}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px 10px;border-bottom:1px solid #222;font-size:12px;color:var(--text-muted);font-weight:500;letter-spacing:.05em;text-transform:uppercase}.modal-close-btn{display:flex;align-items:center;justify-content:center;width:22px;height:22px;color:var(--text-muted);border-radius:4px;transition:background .1s,color .1s}.modal-close-btn:hover{background:var(--toolbar-hover);color:var(--text-primary)}.modal-close-btn svg{width:12px;height:12px}.modal-body{padding:14px}.modal-input-row{display:flex;align-items:center;gap:8px}.modal-input{flex:1;background:#0d0d0d;border:1px solid #2a2a2a;border-radius:5px;padding:9px 11px;color:var(--text-primary);font-family:var(--font);font-size:12px;outline:none;transition:border-color .15s;min-width:0}.modal-input:focus{border-color:var(--accent)}.modal-input::placeholder{color:var(--text-dim)}.url-type-tag{flex-shrink:0;font-size:10px;font-weight:600;letter-spacing:.06em;padding:3px 7px;border-radius:3px;text-transform:uppercase}.url-type-youtube{background:#ff000026;color:#f87171;border:1px solid rgba(255,0,0,.2)}.url-type-twitch{background:#9146ff26;color:#c084fc;border:1px solid rgba(145,70,255,.2)}.url-type-web{background:#22c55e1f;color:#86efac;border:1px solid rgba(34,197,94,.2)}.url-type-error{background:#ef44441a;color:#f87171;border:1px solid rgba(239,68,68,.2)}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:10px 14px 14px}.btn-cancel{padding:7px 14px;border-radius:5px;font-size:12px;color:var(--text-muted);transition:background .1s,color .1s}.btn-cancel:hover{background:var(--toolbar-hover);color:var(--text-primary)}.btn-confirm{padding:7px 16px;border-radius:5px;font-size:12px;font-weight:500;background:var(--accent);color:#fff;transition:background .1s,opacity .1s}.btn-confirm:hover:not(:disabled){background:#2563eb}.btn-confirm:disabled{opacity:.35;cursor:not-allowed}.room-btn{position:fixed;bottom:12px;right:48px;z-index:200;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:#141414cc;border:1px solid #252525;color:var(--text-dim);opacity:.4;transition:opacity .15s,background .15s,color .15s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.room-btn:hover{opacity:1;background:#1e1e1ef2;color:var(--text-muted)}.room-btn.room-btn-active{opacity:1;border-color:#3b82f680;color:var(--accent)}.room-btn svg{width:14px;height:14px}.room-btn-dot{position:absolute;top:4px;right:4px;width:5px;height:5px;border-radius:50%;background:#22c55e;border:1px solid #0d0d0d}.reset-btn{position:fixed;bottom:12px;right:12px;z-index:200;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:#141414cc;border:1px solid #252525;color:var(--text-dim);opacity:.4;transition:opacity .15s,background .15s,color .15s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.reset-btn:hover{opacity:1;background:#1e1e1ef2;color:var(--text-muted)}.reset-btn svg{width:14px;height:14px}.peer-cursor{position:fixed;pointer-events:none;z-index:500;transform:translate(-2px,-2px);color:#f97316;filter:drop-shadow(0 1px 2px rgba(0,0,0,.8))}.peer-cursor-label{position:absolute;left:14px;top:2px;background:#f97316;color:#fff;font-size:10px;padding:1px 5px;border-radius:3px;white-space:nowrap;font-family:var(--font)}.room-modal{width:min(420px,calc(100vw - 32px))}.room-tabs{display:flex;border-bottom:1px solid #222}.room-tab{flex:1;padding:10px;font-size:12px;color:var(--text-muted);border-bottom:2px solid transparent;transition:color .1s,border-color .1s;text-align:center}.room-tab:hover{color:var(--text-primary)}.room-tab.room-tab-active{color:var(--accent);border-bottom-color:var(--accent)}.room-info-text{font-size:11px;color:var(--text-muted);line-height:1.6;margin-top:4px}.room-active{display:flex;flex-direction:column;gap:16px}.room-status-badge{display:flex;align-items:center;gap:8px;font-size:12px;color:#22c55e;font-weight:500}.room-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;flex-shrink:0;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.room-label{font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px}.room-share-section,.room-peers-section{display:flex;flex-direction:column}.room-code-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}.room-code{flex:1;background:#0d0d0d;border:1px solid #2a2a2a;border-radius:4px;padding:6px 10px;font-size:12px;color:var(--accent);font-family:var(--font);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-copy{padding:5px 10px;border-radius:4px;font-size:11px;background:#3b82f626;color:var(--accent);border:1px solid rgba(59,130,246,.3);transition:background .1s;flex-shrink:0;font-family:var(--font);cursor:pointer}.btn-copy:hover{background:#3b82f640}.room-hint{font-size:11px;color:var(--text-muted)}.room-peers-list{display:flex;flex-direction:column;gap:5px}.room-peer-item{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-primary)}.peer-dot{width:6px;height:6px;border-radius:50%;background:#f97316;flex-shrink:0}.peer-dot-me{background:#22c55e}.btn-danger{padding:7px 14px;border-radius:5px;font-size:12px;color:var(--danger);transition:background .1s;font-family:var(--font);cursor:pointer}.btn-danger:hover{background:#ef44441a}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#333;border-radius:2px}::-webkit-scrollbar-thumb:hover{background:#555}