:root{--bg:#000;--surface:#121212;--surface-hover:#1c1c1c;--border:#242424;--text-primary:#fff;--text-secondary:#999;--accent:#fff;--accent-tint:#ffffff1f;--heart-color:#ff3b5c;--progress-bg:#ffffff40;--progress-fill:#fff;--overlay-gradient:linear-gradient(to top, #000000d9 0%, #0003 25%, transparent 45%);--header-gradient:linear-gradient(to bottom, #000000bf 0%, transparent 100%);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-top:env(safe-area-inset-top,0px);--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;margin:0;padding:0}html,body,#root{background-color:var(--bg);width:100%;height:100%;color:var(--text-primary);font-family:var(--font-family);touch-action:pan-y;overflow:hidden}.feed-container{scroll-snap-type:y mandatory;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain;background:var(--bg);width:100vw;height:100dvh;position:relative;overflow:hidden scroll;touch-action:pan-y!important}.feed-container::-webkit-scrollbar{display:none}.feed-container{-ms-overflow-style:none;scrollbar-width:none}.video-card{scroll-snap-align:start;scroll-snap-stop:always;background-color:var(--bg);justify-content:center;align-items:center;width:100vw;height:100dvh;display:flex;position:relative;overflow:hidden}.video-player-wrapper{justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative;touch-action:pan-y!important;-webkit-touch-callout:none!important;-webkit-user-select:none!important;user-select:none!important}.video-element{object-fit:contain;background-color:var(--bg);transform-origin:50%;pointer-events:none;width:100%;height:100%;transition:transform 50ms ease-out;-webkit-touch-callout:none!important;-webkit-user-select:none!important;user-select:none!important}.video-overlay-bottom{padding:24px 16px calc(24px + var(--safe-bottom));background:var(--overlay-gradient);pointer-events:none;z-index:10;flex-direction:column;gap:8px;display:flex;position:absolute;bottom:0;left:0;right:0}.video-info{pointer-events:auto;max-width:78%}.video-filename{letter-spacing:-.2px;color:var(--text-primary);text-shadow:0 1px 3px #000c;white-space:nowrap;text-overflow:ellipsis;text-transform:capitalize;font-size:15px;font-weight:600;overflow:hidden}.video-channel-tag{color:var(--text-secondary);text-shadow:0 1px 2px #000c;margin-top:2px;font-size:12px;display:inline-block}.video-actions-sidebar{right:14px;bottom:calc(48px + var(--safe-bottom));z-index:15;pointer-events:auto;flex-direction:column;align-items:center;gap:20px;display:flex;position:absolute}.action-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;padding:6px;transition:transform .15s;display:flex}.action-btn:active{transform:scale(.85)}.action-btn-icon{filter:drop-shadow(0 2px 4px #0009);width:32px;height:32px}.action-btn.liked .action-btn-icon{color:var(--heart-color);fill:var(--heart-color)}.action-btn-label{color:var(--text-primary);text-shadow:0 1px 3px #000000e6;margin-top:4px;font-size:12px;font-weight:600}.action-btn.tracking-btn .action-btn-icon{stroke:#fff;fill:none}.action-btn.tracking-btn.pulse-pop{animation:.3s cubic-bezier(.175,.885,.32,1.275) bracketPulse}@keyframes bracketPulse{0%{transform:scale(1)}50%{transform:scale(1.3)}to{transform:scale(1)}}.media-image-element{object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;background:#000;width:100%;height:100%;display:block}.sound-toggle-btn{top:calc(56px + var(--safe-top));z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:38px;height:38px;color:var(--text-primary);cursor:pointer;background:#00000080;border:1px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;right:14px}.video-progress-bar-container{cursor:pointer;z-index:35;touch-action:none;align-items:flex-end;height:24px;padding-bottom:2px;display:flex;position:absolute;bottom:0;left:0;right:0}.video-progress-bar-track{background:var(--progress-bg);width:100%;height:3px;transition:height .15s;position:relative}.video-progress-bar-container:hover .video-progress-bar-track,.video-progress-bar-container.scrubbing .video-progress-bar-track{height:6px}.video-progress-bar-fill{background:var(--progress-fill);pointer-events:none;width:0%;height:100%;position:relative}.video-progress-thumb{opacity:0;pointer-events:none;background:#fff;border-radius:50%;width:12px;height:12px;transition:opacity .15s,transform .1s;position:absolute;top:50%;transform:translate(-50%,-50%);box-shadow:0 0 6px #0009}.video-progress-bar-container:hover .video-progress-thumb,.video-progress-bar-container.scrubbing .video-progress-thumb{opacity:1}.video-progress-bar-container.scrubbing .video-progress-thumb{transform:translate(-50%,-50%)scale(1.2)}.center-icon-pop{z-index:30;pointer-events:none;animation:.65s cubic-bezier(.175,.885,.32,1.275) forwards centerIconPop;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes centerIconPop{0%{opacity:0;transform:translate(-50%,-50%)scale(.3)}30%{opacity:1;transform:translate(-50%,-50%)scale(1.15)}70%{opacity:1;transform:translate(-50%,-50%)scale(1)}to{opacity:0;transform:translate(-50%,-50%)scale(1.3)}}.heart-pop{color:var(--heart-color);fill:var(--heart-color);filter:drop-shadow(0 4px 12px #ff3b5c66)}.play-pause-pop{color:#ffffffe6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0000008c;border-radius:50%;padding:16px}.top-header{z-index:100;padding-top:var(--safe-top);background:var(--header-gradient);height:calc(52px + var(--safe-top));justify-content:space-between;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.header-brand{letter-spacing:-.5px;color:var(--text-primary);white-space:nowrap;-webkit-user-select:none;user-select:none;flex-shrink:0;padding-left:14px;font-size:15px;font-weight:800}.tabs-scroll-area{white-space:nowrap;scrollbar-width:none;flex:1;align-items:center;gap:8px;padding:0 14px;display:flex;overflow:auto hidden}.tabs-scroll-area::-webkit-scrollbar{display:none}.channel-tab{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:16px;padding:6px 12px;font-size:14px;font-weight:500;transition:all .2s;position:relative}.channel-tab.active{color:var(--text-primary);background:var(--accent-tint);font-weight:700}.header-actions{flex-shrink:0;align-items:center;gap:2px;margin-right:8px;display:flex}.header-icon-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;transition:background .15s,transform .15s;display:flex}.header-icon-btn:active{background:#ffffff1a;transform:scale(.9)}.setup-container{background-color:var(--bg);text-align:center;flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100dvh;padding:24px;display:flex}.setup-card{flex-direction:column;align-items:center;gap:24px;width:100%;max-width:420px;display:flex}.setup-title{letter-spacing:-1.5px;color:var(--text-primary);margin-bottom:4px;font-size:48px;font-weight:800}.setup-subtitle{color:var(--text-secondary);margin-bottom:12px;font-size:15px;line-height:1.5}.file-input-hidden{display:none}.btn-primary{background:var(--accent);color:#000;cursor:pointer;border:none;border-radius:28px;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px 28px;font-size:15px;font-weight:600;transition:transform .15s,opacity .15s;display:inline-flex}.btn-primary:active{transform:scale(.97)}.btn-secondary{background:var(--surface);color:var(--text-primary);border:1px solid var(--border);cursor:pointer;border-radius:24px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}.btn-secondary:active{background:var(--surface-hover)}.import-progress-box{background:var(--surface);border:1px solid var(--border);border-radius:16px;flex-direction:column;gap:12px;width:100%;padding:20px;display:flex}.progress-header{color:var(--text-secondary);justify-content:space-between;font-size:13px;display:flex}.progress-track{background:#ffffff1a;border-radius:3px;width:100%;height:6px;overflow:hidden}.progress-bar-fill-ui{background:var(--accent);border-radius:3px;height:100%;transition:width .15s}.progress-current-file{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.manage-overlay{z-index:200;background-color:var(--bg);padding-top:var(--safe-top);padding-bottom:var(--safe-bottom);flex-direction:column;display:flex;position:fixed;inset:0}.manage-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:56px;padding:0 16px;display:flex}.manage-title{font-size:17px;font-weight:700}.icon-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.icon-btn:active{background:var(--surface)}.manage-body{flex-direction:column;flex:1;gap:16px;padding:20px 16px;display:flex;overflow-y:auto}.channel-list-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.channel-item-left{flex-direction:column;gap:4px;display:flex}.channel-item-name{font-size:15px;font-weight:600}.channel-item-count{color:var(--text-secondary);font-size:12px}.channel-item-actions{align-items:center;gap:8px;display:flex}.empty-state{text-align:center;color:var(--text-secondary);padding:40px 16px;font-size:14px}.explore-overlay{z-index:150;background-color:var(--bg);padding-top:var(--safe-top);padding-bottom:var(--safe-bottom);flex-direction:column;display:flex;position:fixed;inset:0}.explore-header{border-bottom:1px solid var(--border);align-items:center;gap:8px;height:56px;padding:0 12px;display:flex}.explore-search-box{background:var(--surface);border:1px solid var(--border);border-radius:20px;flex:1;align-items:center;gap:8px;height:38px;padding:0 12px;display:flex}.search-icon{color:var(--text-secondary);flex-shrink:0}.explore-search-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:14px}.explore-search-input::placeholder{color:#666}.clear-search-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:18px}.explore-content{-webkit-overflow-scrolling:touch;flex:1;padding-bottom:24px;overflow-y:auto}.explore-grid{background:var(--bg);grid-template-columns:repeat(3,1fr);gap:2px;display:grid}@media (width>=600px){.explore-grid{grid-template-columns:repeat(4,1fr);gap:4px;padding:4px}}.explore-grid-item{aspect-ratio:9/16;cursor:pointer;background-color:#0d0d0d;position:relative;overflow:hidden}.explore-thumbnail-video,.explore-thumbnail-img{object-fit:cover;background-color:#0d0d0d;width:100%;height:100%;display:block}.explore-thumbnail-placeholder{width:100%;height:100%;color:var(--text-secondary);background:linear-gradient(135deg,#141414 0%,#080808 100%);justify-content:center;align-items:center;display:flex}.explore-item-overlay{background:linear-gradient(#0000 40%,#000c 100%);flex-direction:column;justify-content:flex-end;gap:4px;padding:8px;display:flex;position:absolute;inset:0}.explore-item-title{color:#fff;white-space:nowrap;text-overflow:ellipsis;text-transform:capitalize;text-shadow:0 1px 2px #000c;font-size:11px;font-weight:600;overflow:hidden}.explore-item-likes{color:#fff;text-shadow:0 1px 2px #000c;align-items:center;gap:4px;font-size:11px;font-weight:700;display:flex}.explore-item-likes svg{color:var(--heart-color)}.explore-list{flex-direction:column;gap:8px;padding:12px;display:flex}.explore-list-item{background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:12px;align-items:center;gap:12px;padding:8px 12px;transition:background .15s;display:flex}.explore-list-item:active{background:var(--surface-hover)}.explore-list-thumb-wrapper{background:#000;border-radius:8px;flex-shrink:0;width:52px;height:72px;overflow:hidden}.explore-list-thumb-video,.explore-list-thumb-img{object-fit:cover;width:100%;height:100%;display:block}.placeholder-card{background-color:var(--bg);justify-content:center;align-items:center;display:flex}.video-error-overlay{text-align:center;z-index:12;background:#000000e0;flex-direction:column;justify-content:center;align-items:center;padding:24px;display:flex;position:absolute;inset:0}.video-error-icon{margin-bottom:10px;font-size:32px}.video-error-title{color:#fff;margin-bottom:6px;font-size:15px;font-weight:700}.video-error-desc{color:var(--text-secondary);max-width:260px;font-size:13px;line-height:1.4}.video-error-codec{color:#ffffff59;word-break:break-all;max-width:280px;margin-top:8px;font-family:monospace;font-size:10px;line-height:1.4}.explore-list-info{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.explore-list-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;text-transform:capitalize;font-size:14px;font-weight:600;overflow:hidden}.explore-list-channel{color:var(--text-secondary);font-size:12px}.explore-list-likes{color:var(--text-primary);flex-shrink:0;align-items:center;gap:5px;font-size:13px;font-weight:600;display:flex}.speed-boost-hud{top:calc(58px + var(--safe-top));-webkit-backdrop-filter:blur(12px);color:#fff;letter-spacing:.3px;z-index:50;pointer-events:none;background:#000000b3;border:1px solid #fff3;border-radius:24px;align-items:center;gap:8px;padding:6px 16px;font-size:13px;font-weight:700;animation:.2s cubic-bezier(.175,.885,.32,1.275) speedHudAppear;display:flex;position:absolute;left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0009}@keyframes speedHudAppear{0%{opacity:0;transform:translate(-50%,-8px)scale(.9)}to{opacity:1;transform:translate(-50%)scale(1)}}.speed-boost-icon{color:#ffeb3b;font-size:11px}.speed-boost-text{font-variant-numeric:tabular-nums}.settings-section-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:14px;padding:16px;display:flex}.settings-card-header{justify-content:space-between;align-items:center;display:flex}.settings-card-title{color:var(--text-primary);font-size:15px;font-weight:700}.settings-card-subtitle{color:var(--text-secondary);margin-top:2px;font-size:12px}.speed-value-display{color:var(--text-primary);font-variant-numeric:tabular-nums;background:#ffffff14;border-radius:8px;padding:4px 10px;font-size:18px;font-weight:800}.speed-slider-row{width:100%}.speed-range-slider{accent-color:#fff;cursor:pointer;background:#ffffff26;border-radius:3px;width:100%;height:6px}.speed-presets-row{gap:6px;display:flex}.speed-preset-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;background:#181818;border-radius:8px;flex:1;padding:7px 0;font-size:13px;font-weight:600;transition:all .15s}.speed-preset-btn:active{transform:scale(.95)}.speed-preset-btn.active{color:#000;background:#fff;border-color:#fff;font-weight:800}.skip-indicator-overlay{pointer-events:none;z-index:25;flex-direction:column;justify-content:center;align-items:center;width:45%;animation:.65s forwards skipFade;display:flex;position:absolute;top:0;bottom:0}.skip-indicator-overlay.forward{background:radial-gradient(circle at 100%,#ffffff2e 0%,#0000 75%);border-top-left-radius:60% 100%;border-bottom-left-radius:60% 100%;right:0}.skip-indicator-overlay.backward{background:radial-gradient(circle at 0,#ffffff2e 0%,#0000 75%);border-top-right-radius:60% 100%;border-bottom-right-radius:60% 100%;left:0}.skip-badge{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#000000b8;border:1px solid #ffffff2e;border-radius:28px;flex-direction:column;align-items:center;gap:4px;padding:12px 20px;animation:.4s cubic-bezier(.175,.885,.32,1.275) skipBounce;display:flex;box-shadow:0 4px 20px #0009}.skip-arrows{color:#fff;letter-spacing:-1px;font-size:20px;font-weight:800}.skip-text{color:#fff;letter-spacing:.2px;font-size:13px;font-weight:700}@keyframes skipBounce{0%{opacity:0;transform:scale(.65)}50%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}@keyframes skipFade{0%{opacity:0}15%{opacity:1}75%{opacity:1}to{opacity:0}}