:root{--bg-canvas: #000000;--bg-primary: #000000;--bg-secondary: #0e0e11;--bg-elevated: #16161b;--bg-glass: rgba(14, 14, 17, .76);--bg-glass-modal: rgba(22, 22, 26, .92);--bg-glass-input: rgba(255, 255, 255, .08);--bg-glass-input-focus: rgba(255, 255, 255, .12);--bg-card: rgba(255, 255, 255, .03);--bg-card-hover: rgba(255, 255, 255, .07);--bg-pill: rgba(255, 255, 255, .08);--bg-pill-hover: rgba(255, 255, 255, .14);--btn-primary-bg: #ffffff;--btn-primary-text: #000000;--text-primary: #f5f5f7;--text-secondary: #86868b;--text-tertiary: #636366;--text-quaternary: #48484a;--accent-blue: #2997ff;--accent-blue-hover: #0077ed;--accent-red: #ff453a;--accent-green: #30d158;--accent-orange: #ff9f0a;--border-subtle: rgba(255, 255, 255, .06);--border-card: transparent;--border-focus: rgba(41, 151, 255, .5);--radius-xs: 6px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-xl: 24px;--radius-pill: 980px;--ease-spring: cubic-bezier(.16, 1, .3, 1);--shadow-card: 0 4px 16px rgba(0, 0, 0, .25);--shadow-card-hover: 0 12px 32px rgba(0, 0, 0, .45);--shadow-modal: 0 32px 80px rgba(0, 0, 0, .85);--shadow-player: 0 16px 48px rgba(0, 0, 0, .4);--skeleton-base: rgba(255, 255, 255, .04);--skeleton-highlight: rgba(255, 255, 255, .09)}@media(prefers-color-scheme:light){:root{--bg-canvas: #f5f5f7;--bg-primary: #ffffff;--bg-secondary: #e5e5ea;--bg-elevated: #ffffff;--bg-glass: rgba(255, 255, 255, .82);--bg-glass-modal: rgba(255, 255, 255, .96);--bg-glass-input: rgba(0, 0, 0, .05);--bg-glass-input-focus: rgba(0, 0, 0, .08);--bg-card: #ffffff;--bg-card-hover: rgba(0, 0, 0, .04);--bg-pill: rgba(0, 0, 0, .06);--bg-pill-hover: rgba(0, 0, 0, .1);--btn-primary-bg: #1d1d1f;--btn-primary-text: #ffffff;--text-primary: #1d1d1f;--text-secondary: #6e6e73;--text-tertiary: #86868b;--text-quaternary: #aeaeb2;--border-subtle: rgba(0, 0, 0, .05);--border-card: transparent;--border-focus: rgba(0, 113, 227, .5);--shadow-card: 0 2px 10px rgba(0, 0, 0, .06);--shadow-card-hover: 0 10px 24px rgba(0, 0, 0, .1);--shadow-modal: 0 24px 64px rgba(0, 0, 0, .16);--shadow-player: 0 12px 36px rgba(0, 0, 0, .12);--skeleton-base: rgba(0, 0, 0, .05);--skeleton-highlight: rgba(0, 0, 0, .1)}}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html{width:100%;max-width:100%;overflow-x:clip}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,SF Pro,Helvetica Neue,Helvetica,Arial,sans-serif;background-color:var(--bg-canvas);color:var(--text-primary);min-height:100vh;min-height:100dvh;width:100%;max-width:100%;overflow-x:clip;line-height:1.47059;letter-spacing:-.012em}#root{width:100%;max-width:100%;overflow-x:clip;min-height:100vh;min-height:100dvh}.navbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 28px;height:52px;background:var(--bg-glass);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid var(--border-subtle);transition:all .25s var(--ease-spring)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary);cursor:pointer;-webkit-user-select:none;user-select:none;transition:opacity .2s ease;flex-shrink:0}.brand:hover{opacity:.85}.brand-tubelight-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0}.brand-name{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;font-size:17px;font-weight:700;letter-spacing:-.025em;color:var(--text-primary)}.brand-lite{color:var(--accent-blue);font-weight:600}.search-container{flex:1;max-width:580px;margin:0 24px}.search-input-wrap{position:relative;display:flex;align-items:center;background:var(--bg-glass-input);border-radius:var(--radius-pill);height:38px;padding:0 12px 0 14px;transition:all .2s var(--ease-spring);border:1px solid transparent}.search-input-wrap:focus-within{background:var(--bg-glass-input-focus);border-color:var(--border-focus);box-shadow:0 0 0 3px #2997ff26}.search-back-btn{display:none;background:none;border:none;color:var(--text-primary);cursor:pointer;padding:4px;margin-right:6px;align-items:center;justify-content:center;border-radius:50%;flex-shrink:0;transition:opacity .15s ease}.search-back-btn:hover{opacity:.75}.search-icon{width:16px;height:16px;fill:var(--text-secondary);flex-shrink:0;margin-right:10px;pointer-events:none}.search-input{width:100%;border:none;background:transparent;color:var(--text-primary);font-family:inherit;font-size:13.5px;outline:none;letter-spacing:-.01em}.search-input::placeholder{color:var(--text-secondary);opacity:.8}.search-clear{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;font-size:12px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:color .15s ease;margin-right:4px}.search-clear:hover{color:var(--text-primary)}.search-submit-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px 6px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-pill);transition:color .15s ease,transform .15s ease}.search-submit-btn:hover:not(:disabled){color:var(--text-primary);transform:scale(1.06)}.search-submit-btn:disabled{opacity:.5;cursor:default}.search-btn-spinner{width:14px;height:14px;border:2px solid var(--text-secondary);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .75s linear infinite}.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.nav-btn{font-family:inherit;font-size:13px;font-weight:500;padding:7px 15px;border-radius:var(--radius-pill);border:none;background:var(--bg-pill);color:var(--text-primary);cursor:pointer;transition:all .2s var(--ease-spring);display:inline-flex;align-items:center;gap:6px;-webkit-user-select:none;user-select:none}.nav-btn:hover{background:var(--bg-pill-hover);transform:scale(1.02)}.nav-btn.primary{background:var(--btn-primary-bg);color:var(--btn-primary-text);font-weight:600}.nav-btn.primary:hover{opacity:.9;transform:scale(1.02)}.nav-avatar-btn{width:34px;height:34px;border-radius:50%;border:none;background:var(--bg-pill);color:var(--text-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s var(--ease-spring)}.nav-avatar-btn:hover{background:var(--bg-pill-hover);transform:scale(1.06)}.avatar-circle{display:flex;align-items:center;justify-content:center}.main-content{padding:24px 32px 64px;max-width:1720px;margin:0 auto;width:100%}.search-banner{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);padding:12px 18px;border-radius:var(--radius-md);margin-bottom:24px;border:1px solid var(--border-subtle)}.search-banner-info{display:flex;align-items:center;gap:10px;font-size:14px}.search-badge-count{font-size:12px;color:var(--text-secondary);background:var(--bg-pill);padding:2px 8px;border-radius:var(--radius-pill)}.search-banner-clear{background:none;border:none;color:var(--accent-blue);font-size:13px;font-weight:500;cursor:pointer;padding:4px 8px;border-radius:var(--radius-xs);transition:opacity .15s ease}.search-banner-clear:hover{opacity:.8}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:28px 20px;width:100%}.video-card{display:flex;flex-direction:column;gap:12px;cursor:pointer;border:none;background:transparent;-webkit-user-select:none;user-select:none}.thumbnail-wrap{position:relative;width:100%;aspect-ratio:16 / 9;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-secondary);box-shadow:var(--shadow-card);transition:transform .24s var(--ease-spring),box-shadow .24s var(--ease-spring);border:none}.video-card:hover .thumbnail-wrap{transform:scale(1.02);box-shadow:var(--shadow-card-hover)}.thumbnail-img{width:100%;height:100%;object-fit:cover;display:block}.card-play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000040;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s ease}.video-card:hover .card-play-overlay{opacity:1}.play-glyph-circle{width:44px;height:44px;border-radius:50%;background:#ffffffeb;color:#000;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px #0000004d;transform:scale(.9);transition:transform .2s var(--ease-spring)}.play-glyph-circle svg{transform:translate(1px)}.video-card:hover .play-glyph-circle{transform:scale(1)}.duration-badge{position:absolute;bottom:8px;right:8px;background:#000000c7;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;font-size:11px;font-weight:600;padding:2px 6px;border-radius:5px;letter-spacing:.02em}.video-details{display:flex;gap:12px;align-items:flex-start}.channel-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#ffffff29,#ffffff0d);color:var(--text-primary);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0;overflow:hidden}.channel-avatar img{width:100%;height:100%;object-fit:cover}.meta-wrap{display:flex;flex-direction:column;gap:4px;min-width:0}.video-title{font-size:14.5px;font-weight:500;line-height:1.35;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word;transition:color .15s ease}.video-card:hover .video-title{color:var(--accent-blue)}.channel-title{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.video-stats{font-size:12px;color:var(--text-tertiary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-page-view{width:100%;min-height:calc(100vh - 52px);display:flex;justify-content:center;padding:20px 32px 48px;box-sizing:border-box}.player-page-view-minimized{display:none}.player-container{width:100%;max-width:1720px}.watch-columns{display:grid;grid-template-columns:minmax(0,1fr) clamp(340px,28vw,400px);gap:28px;width:100%;align-items:start}.watch-main-col{position:sticky;top:72px;align-self:start;display:flex;flex-direction:column;gap:16px;min-width:0;z-index:10}.watch-player-wrapper{position:relative;z-index:20;width:100%;display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-player);background:#000;border:none}.video-frame-wrap{width:100%;aspect-ratio:16 / 9;max-height:min(calc(100vh - 220px),70vh);min-height:200px;background:#000;overflow:hidden;position:relative}.native-video-el{width:100%;height:100%;display:block;border:none}.stream-buffer-shimmer{position:absolute;top:0;right:0;bottom:0;left:0;background:#000;display:flex;align-items:center;justify-content:center;z-index:5;pointer-events:auto;-webkit-user-select:none;user-select:none;cursor:default;animation:fadeIn .2s var(--ease-spring)}.stream-buffer-ring{width:42px;height:42px;border-radius:50%;border:3px solid rgba(255,255,255,.1);border-top-color:var(--accent-blue);animation:spin .8s linear infinite}.yt-shield-top-right{position:absolute;top:0;right:0;width:80px;height:60px;z-index:4;pointer-events:auto;cursor:default}.yt-shield-bottom-right{position:absolute;bottom:40px;right:0;width:140px;height:56px;z-index:4;pointer-events:auto;cursor:default}.player-meta{display:flex;flex-direction:column;gap:12px;width:100%}.player-title{font-family:-apple-system,BlinkMacSystemFont,SF Pro 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4px}.related-list{display:flex;flex-direction:column;gap:6px}.related-video-card{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:var(--radius-sm);cursor:pointer;transition:background .18s var(--ease-spring);position:relative;-webkit-user-select:none;user-select:none;border:none;background:transparent}.related-video-card:hover{background:var(--bg-card-hover)}.related-thumb-wrap{width:136px;aspect-ratio:16 / 9;position:relative;border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--bg-secondary);box-shadow:0 2px 8px #00000026;border:none}.related-thumb-img{width:100%;height:100%;object-fit:cover;display:block}.related-details{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.related-title{font-size:13.5px;font-weight:500;line-height:1.35;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}.related-channel{font-size:12px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.related-stats{font-size:11.5px;color:var(--text-tertiary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-player-dock{position:fixed;bottom:24px;right:24px;z-index:900;background:var(--bg-glass-modal);backdrop-filter:blur(28px) saturate(190%);-webkit-backdrop-filter:blur(28px) saturate(190%);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-modal);padding:10px 14px;cursor:pointer;transition:all .25s var(--ease-spring);max-width:380px;width:calc(100vw - 48px)}.mini-player-dock:hover{transform:translateY(-2px);box-shadow:0 20px 48px #0000008c}.mini-player-content{display:flex;align-items:center;gap:12px}.mini-player-thumb-wrap{width:64px;aspect-ratio:16 / 9;border-radius:8px;overflow:hidden;background:var(--bg-secondary);position:relative;flex-shrink:0}.mini-player-thumb{width:100%;height:100%;object-fit:cover;display:block}.mini-player-pulse-dot{position:absolute;top:4px;right:4px;width:6px;height:6px;border-radius:50%;background:var(--accent-green);box-shadow:0 0 8px var(--accent-green)}.mini-player-meta{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.mini-player-title{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-player-channel{font-size:11.5px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-player-controls{display:flex;align-items:center;gap:6px;flex-shrink:0}.mini-player-icon-btn{width:30px;height:30px;border-radius:50%;border:none;background:var(--bg-pill);color:var(--text-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease}.mini-player-icon-btn:hover{background:var(--bg-pill-hover);transform:scale(1.08)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000a6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .25s var(--ease-spring)}.modal-overlay.active{opacity:1;pointer-events:auto}.sheet{background:var(--bg-glass-modal);backdrop-filter:blur(32px) saturate(200%);-webkit-backdrop-filter:blur(32px) saturate(200%);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);box-shadow:var(--shadow-modal);width:100%;max-width:460px;overflow:hidden;transform:scale(.96);transition:transform .25s var(--ease-spring)}.modal-overlay.active .sheet{transform:scale(1)}.sheet-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-subtle)}.sheet-title{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,sans-serif;font-size:17px;font-weight:600;letter-spacing:-.015em;color:var(--text-primary)}.sheet-close{width:28px;height:28px;border-radius:50%;border:none;background:var(--bg-pill);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px;transition:all .15s ease}.sheet-close:hover{color:var(--text-primary);background:var(--bg-pill-hover)}.pagination-wrap{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 0 16px}.load-more-btn{font-family:inherit;font-size:13.5px;font-weight:600;padding:10px 26px;border-radius:var(--radius-pill);border:none;background:var(--bg-pill);color:var(--text-primary);cursor:pointer;transition:all .2s var(--ease-spring);display:inline-flex;align-items:center;gap:8px;-webkit-user-select:none;user-select:none}.load-more-btn:hover:not(:disabled){background:var(--bg-pill-hover);transform:scale(1.03)}.load-more-btn:disabled{opacity:.6;cursor:default}.related-load-more{width:100%;justify-content:center;padding:10px 16px;font-size:13px;margin-top:8px}.btn-spinner{width:14px;height:14px;border:2px solid var(--text-secondary);border-top-color:var(--text-primary);border-radius:50%;animation:spin .75s linear infinite}.skeleton{background:var(--skeleton-base);position:relative;overflow:hidden}.skeleton:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,var(--skeleton-highlight),transparent);animation:shimmer 1.5s infinite}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:64px 20px;color:var(--text-secondary);width:100%;grid-column:1 / -1}.sign-in-prompt-icon{width:64px;height:64px;border-radius:50%;background:var(--bg-pill);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);margin-bottom:16px}.error-title{font-size:17px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.error-desc{font-size:13.5px;color:var(--text-secondary);max-width:420px;line-height:1.45}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(max-width:1024px){.watch-columns{grid-template-columns:minmax(0,1fr) 340px;gap:20px}.watch-main-col{top:68px}.player-page-view{padding:16px 20px 40px}.related-thumb-wrap{width:120px}}@media(max-width:768px){.navbar{height:60px;min-height:60px;padding:0 16px;padding-top:env(safe-area-inset-top,0px);height:calc(60px + env(safe-area-inset-top,0px));touch-action:manipulation}.navbar.search-expanded{height:60px;min-height:60px;padding:0 10px;padding-top:env(safe-area-inset-top,0px);height:calc(60px + env(safe-area-inset-top,0px))}.navbar.search-expanded .brand,.navbar.search-expanded .nav-actions{display:none!important}.navbar.search-expanded .search-container{margin:0;max-width:100%;width:100%}.navbar.search-expanded .search-back-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;min-width:36px;touch-action:manipulation}.navbar.search-expanded .search-icon{display:none}.search-container{margin:0 8px;touch-action:manipulation}.search-input-wrap{height:44px;border-radius:22px;padding:0 12px 0 14px;touch-action:manipulation}.search-input{font-size:16px!important;line-height:normal;height:100%;touch-action:manipulation}.search-clear{width:32px;height:32px;min-width:32px;font-size:14px;touch-action:manipulation}.search-submit-btn{width:36px;height:36px;min-width:36px;touch-action:manipulation}.main-content{padding:16px 16px 48px}.video-grid{grid-template-columns:1fr;gap:22px}.player-page-view{padding:0 16px 48px}.watch-columns{display:flex;flex-direction:column;gap:18px}.watch-main-col{display:contents}.watch-player-wrapper{position:sticky;top:calc(60px + env(safe-area-inset-top,0px));z-index:50;border-radius:0;margin:0 -16px;width:calc(100% + 32px)}.video-frame-wrap{max-height:none}}