.sidebar{width:var(--sidebar-width);height:100%;background:var(--bg-glass);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0;transition:transform var(--transition-slow),opacity var(--transition-slow);z-index:50;overflow:hidden}.sidebar.closed{transform:translate(-100%);position:absolute;opacity:0;pointer-events:none}.sidebar-header{padding:16px;border-bottom:1px solid var(--border-color);display:flex;flex-direction:column;gap:12px;flex-shrink:0}.sidebar-search{position:relative}.sidebar-search input{width:100%;padding:10px 14px 10px 36px;background:#ffffff0a;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;font-family:inherit;outline:none;transition:all var(--transition-fast)}.sidebar-search input::placeholder{color:var(--text-muted)}.sidebar-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);background:#ffffff0f}.sidebar-search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:14px;pointer-events:none}.category-pills{display:flex;flex-wrap:wrap;gap:6px}.category-pill{padding:4px 12px;border:1px solid var(--border-color);border-radius:20px;background:transparent;color:var(--text-secondary);font-size:11px;font-family:inherit;font-weight:500;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.category-pill:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim);transform:translateY(-1px)}.category-pill.active{background:var(--accent);border-color:var(--accent);color:#000}.sidebar-actions{display:flex;gap:8px}.sidebar-action-btn{flex:1;padding:7px 12px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-size:11px;font-family:inherit;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.sidebar-action-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.preset-bar{display:flex;gap:6px;align-items:center}.preset-select{flex:1;padding:6px 10px;background:#ffffff0a;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:12px;font-family:inherit;outline:none;cursor:pointer}.preset-select option{background:var(--bg-secondary)}.preset-save-btn{padding:6px 12px;border:1px solid var(--accent);border-radius:var(--radius-sm);background:var(--accent-dim);color:var(--accent);font-size:11px;font-family:inherit;font-weight:600;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.preset-save-btn:hover{background:var(--accent);color:#000}.channel-list{flex:1;overflow-y:auto;padding:8px 0}.channel-section-label{padding:8px 16px 4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.channel-item{display:flex;align-items:center;gap:10px;padding:8px 16px;cursor:pointer;transition:all var(--transition-fast);border-left:3px solid transparent;-webkit-user-select:none;user-select:none}.channel-item:hover{background:#ffffff08;border-left-color:var(--accent)}.channel-item.selected{background:var(--accent-dim);border-left-color:var(--accent)}.channel-checkbox{width:18px;height:18px;border:2px solid var(--text-muted);border-radius:5px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition-fast);font-size:11px}.channel-item.selected .channel-checkbox{background:var(--accent);border-color:var(--accent);color:#000}.channel-logo{width:28px;height:28px;border-radius:6px;object-fit:cover;background:#ffffff0d;flex-shrink:0}.channel-logo-placeholder{width:28px;height:28px;border-radius:6px;background:#ffffff0d;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text-muted);flex-shrink:0}.channel-info{flex:1;min-width:0}.channel-name{font-size:13px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.channel-meta{font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.channel-fav-btn{background:none;border:none;cursor:pointer;font-size:14px;padding:2px;opacity:0;transition:opacity var(--transition-fast);flex-shrink:0}.channel-item:hover 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768px){.sidebar{position:absolute;left:0;top:0;height:100%;width:85vw;max-width:380px}.sidebar-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:40}}.stream-tile{position:relative;border-radius:var(--radius-md);overflow:hidden;background:#000;border:1px solid var(--border-color);transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast);cursor:default}.stream-tile:hover{transform:scale(1.01);box-shadow:0 4px 24px #0006;border-color:#ffffff1a;z-index:2}.stream-tile.audio-active{border-color:var(--accent);box-shadow:0 0 20px var(--accent-glow)}.stream-tile.fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;border-radius:0;z-index:200;transform:none;border:none}.stream-tile video{width:100%;height:100%;object-fit:cover;display:block}.tile-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:linear-gradient(135deg,#111118,#1a1a28,#111118);background-size:200% 200%;animation:shimmer 2s ease infinite}@keyframes shimmer{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.tile-loading-spinner{width:28px;height:28px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.tile-loading-text{font-size:11px;color:var(--text-muted)}.tile-error{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#0a0a0ff2}.tile-error-icon{font-size:28px;opacity:.5}.tile-error-text{font-size:12px;color:var(--danger);max-width:80%;text-align:center}.tile-retry-btn{padding:6px 16px;border:1px solid var(--danger);border-radius:var(--radius-sm);background:transparent;color:var(--danger);font-size:11px;font-family:inherit;cursor:pointer;transition:all var(--transition-fast)}.tile-retry-btn:hover{background:var(--danger);color:#fff}.tile-overlay{position:absolute;bottom:0;left:0;right:0;padding:24px 12px 10px;background:linear-gradient(transparent,#000c);display:flex;align-items:flex-end;justify-content:space-between;opacity:0;transition:opacity var(--transition-fast);pointer-events:none}.stream-tile:hover .tile-overlay,.stream-tile.audio-active .tile-overlay{opacity:1;pointer-events:auto}.tile-channel-name{font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0}.tile-health-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;margin-left:8px}.tile-health-dot.healthy{background:var(--success)}.tile-health-dot.buffering{background:var(--warning);animation:pulse 1s infinite}.tile-health-dot.error{background:var(--danger)}.tile-toolbar{position:absolute;top:8px;right:8px;display:flex;gap:4px;opacity:0;transition:opacity var(--transition-fast);pointer-events:none}.stream-tile:hover .tile-toolbar{opacity:1;pointer-events:auto}.tile-tool-btn{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;border-radius:var(--radius-sm);background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text-primary);font-size:14px;cursor:pointer;transition:all var(--transition-fast)}.tile-tool-btn:hover{background:var(--accent-dim);color:var(--accent);transform:scale(1.1)}.tile-tool-btn.active{color:var(--accent)}.tile-drag-handle{position:absolute;top:8px;left:8px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:4px;background:#00000080;color:var(--text-muted);font-size:12px;cursor:grab;opacity:0;transition:opacity var(--transition-fast)}.stream-tile:hover 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3}.tv-wall-grid.strip{grid-template-rows:1fr;overflow-x:auto}.tv-wall-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:16px;color:var(--text-muted);text-align:center}.tv-wall-empty-icon{font-size:64px;opacity:.3}.tv-wall-empty-title{font-size:20px;font-weight:600;color:var(--text-secondary)}.tv-wall-empty-subtitle{font-size:14px;max-width:300px;line-height:1.5}.shortcut-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:500;display:flex;align-items:center;justify-content:center;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.shortcut-modal{background:var(--bg-glass);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;max-width:440px;width:90%;animation:modalIn .3s cubic-bezier(.4,0,.2,1)}@keyframes modalIn{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.shortcut-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.shortcut-modal-title{font-size:18px;font-weight:600}.shortcut-modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);cursor:pointer;font-size:16px;transition:all var(--transition-fast)}.shortcut-modal-close:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.shortcut-list{display:flex;flex-direction:column;gap:12px}.shortcut-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border-color)}.shortcut-row:last-child{border-bottom:none}.shortcut-desc{font-size:13px;color:var(--text-secondary)}.shortcut-key{display:inline-flex;align-items:center;justify-content:center;min-width:32px;padding:4px 10px;background:#ffffff0f;border:1px solid var(--border-color);border-radius:6px;font-size:12px;font-weight:600;font-family:SF Mono,Cascadia Code,monospace;color:var(--accent)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-glass: rgba(18, 18, 30, .75);--bg-glass-hover: rgba(30, 30, 50, .85);--border-color: rgba(255, 255, 255, .06);--border-hover: rgba(0, 200, 255, .2);--text-primary: #e8e8ec;--text-secondary: #8888a0;--text-muted: #555570;--accent: #00c8ff;--accent-dim: rgba(0, 200, 255, .15);--accent-glow: rgba(0, 200, 255, .3);--danger: #ff4466;--warning: #ffaa22;--success: #22cc66;--sidebar-width: 340px;--header-height: 56px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden;background:linear-gradient(135deg,#0a0a14,#0f0f1a,#0a0a14)}.header{display:flex;align-items:center;height:var(--header-height);padding:0 20px;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);z-index:100;flex-shrink:0;gap:16px}.header-left{display:flex;align-items:center;gap:12px}.sidebar-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.sidebar-toggle:hover{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}.app-title{font-size:18px;font-weight:600;letter-spacing:-.3px;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-center{flex:1;display:flex;align-items:center;gap:12px}.stream-count{display:flex;align-items:center;gap:6px;padding:4px 12px;background:var(--accent-dim);border:1px solid rgba(0,200,255,.1);border-radius:20px;font-size:12px;font-weight:500;color:var(--accent)}.stream-count-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.layout-toggles{display:flex;gap:2px;padding:3px;background:#ffffff0a;border-radius:var(--radius-sm);border:1px solid var(--border-color)}.layout-btn{display:flex;align-items:center;justify-content:center;width:32px;height:28px;border:none;border-radius:6px;background:transparent;color:var(--text-muted);cursor:pointer;font-size:14px;transition:all var(--transition-fast)}.layout-btn:hover{color:var(--text-secondary);background:#ffffff0d}.layout-btn.active{background:var(--accent-dim);color:var(--accent)}.header-right{display:flex;align-items:center;gap:12px}.volume-control{display:flex;align-items:center;gap:8px;color:var(--text-secondary)}.volume-control svg{width:16px;height:16px}.volume-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:80px;height:4px;border-radius:2px;background:#ffffff1a;outline:none}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer;transition:transform var(--transition-fast)}.volume-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.help-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border-color);border-radius:50%;background:transparent;color:var(--text-muted);font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.help-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.main-content{display:flex;flex:1;overflow:hidden;position:relative}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(100px);padding:12px 24px;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;z-index:9999;opacity:0;transition:all var(--transition-slow);pointer-events:none}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.toast.warning{border-color:var(--warning);color:var(--warning)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#00c8ff33}@media (max-width: 768px){:root{--sidebar-width: 100%}.header{padding:0 12px;gap:8px}.volume-control,.layout-toggles{display:none}}