@import"https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap";:root{--bg-primary: #000000;--bg-secondary: #0a0a0a;--bg-tertiary: #121212;--bg-card: transparent;--bg-card-hover: transparent;--accent-primary: #00d4ff;--accent-secondary: #00b8e0;--accent-hover: #00e5ff;--text-primary: #ffffff;--text-secondary: #cccccc;--text-muted: #888888;--border-subtle: #1a1a1a;--border-medium: #2a2a2a;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .5);--shadow-md: 0 4px 8px rgba(0, 0, 0, .6);--container-max: 2000px;--header-height: 56px;--sidebar-width: 240px}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:Roboto,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-y:scroll}#root{min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}img{max-width:100%;height:auto;display:block}::-webkit-scrollbar{width:16px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#717171;border-radius:8px;border:4px solid var(--bg-primary)}::-webkit-scrollbar-thumb:hover{background:#a0a0a0}.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}.header{position:sticky;top:0;z-index:100;background:var(--bg-primary);height:var(--header-height);padding:0 16px;display:flex;align-items:center;justify-content:space-between}.header-left{display:flex;align-items:center;gap:16px}.logo{display:flex;align-items:center;gap:4px;font-weight:700;font-size:1.2rem;letter-spacing:-.5px;color:var(--text-primary);position:relative}.logo-text{font-family:Roboto,sans-serif;color:var(--text-primary)}.search-container{flex:1;max-width:600px;margin:0 40px;display:flex;align-items:center}.search-wrapper{display:flex;width:100%;align-items:center}.search-input-box{flex:1;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-right:none;border-radius:40px 0 0 40px;padding:0 16px;height:40px;color:var(--text-primary);font-size:16px;box-shadow:inset 0 1px 2px #0000004d;transition:border-color .15s ease}.search-input-box:focus{outline:none;border-color:var(--accent-primary);box-shadow:inset 0 1px 2px #0000004d,0 0 0 1px var(--accent-primary)}.search-btn{height:40px;width:64px;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:0 40px 40px 0;display:flex;align-items:center;justify-content:center;color:var(--text-primary);cursor:pointer}.search-btn:hover{background:var(--bg-secondary)}.nav-right{display:flex;align-items:center;gap:8px}.icon-btn{padding:8px;width:40px;height:40px;border-radius:50%;color:var(--text-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.icon-btn:hover{background:var(--bg-secondary)}.main{flex:1;padding:24px;display:flex;flex-direction:column}.main:has(>.filters-sticky:first-child){padding-top:0}.app-layout{display:flex;min-height:calc(100vh - var(--header-height))}.sidebar-overlay{position:fixed;inset:0;background:#00000080;z-index:200;animation:fadeIn .2s ease}.sidebar{position:fixed;top:0;left:0;width:240px;height:100vh;background:var(--bg-primary);z-index:201;overflow-y:auto;border-right:1px solid var(--border-subtle);transform:translate(-100%);transition:transform .2s ease;padding-top:var(--header-height)}.sidebar.open{transform:translate(0)}.sidebar-header{padding:16px;border-bottom:1px solid var(--border-subtle)}.sidebar-nav{padding:8px 0}.sidebar-link{display:flex;align-items:center;gap:24px;padding:10px 24px;color:var(--text-primary);font-size:14px;transition:background .15s}.sidebar-link:hover{background:var(--bg-secondary)}.sidebar-link.active{background:var(--bg-secondary);font-weight:500}.sidebar-link svg{width:24px;height:24px;flex-shrink:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;row-gap:40px}.video-card{display:flex;flex-direction:column;gap:12px;cursor:pointer}.video-card-thumbnail{position:relative;aspect-ratio:16 / 9;background:var(--bg-tertiary);border-radius:12px;overflow:hidden}.video-card-thumbnail img{width:100%;height:100%;object-fit:cover}.video-card-duration{position:absolute;bottom:8px;right:8px;background:#000c;color:#fff;padding:3px 4px;border-radius:4px;font-size:12px;font-weight:500;letter-spacing:.5px}.video-card-content{display:flex;gap:12px;padding-right:24px}.video-card-info{display:flex;flex-direction:column}.video-card-title{font-size:16px;font-weight:500;line-height:1.4;color:var(--text-primary);margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-card-meta{font-size:14px;color:var(--text-secondary);display:flex;flex-direction:column;line-height:1.3}.video-card-category{color:var(--text-secondary)}.video-card-category:hover{color:var(--text-primary)}.filters{display:flex;gap:12px;overflow-x:auto;padding:12px 24px;margin:0 -24px 24px}.filters-sticky{position:sticky;top:56px;z-index:90;background:var(--bg-primary);margin-top:0!important}.filter-chip{padding:6px 12px;background:var(--bg-secondary);border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-primary);white-space:nowrap;transition:background .2s,border-color .2s;box-sizing:border-box}.filter-chip:hover{background:#3d3d3d}.filter-chip.active{background:var(--accent-primary);color:var(--bg-primary);border-color:var(--accent-primary)}.video-page{max-width:1280px;margin:0 auto;padding:24px;display:flex;flex-wrap:wrap;gap:24px}.video-player-section{flex:1;min-width:min(100%,640px)}.related-sidebar{width:400px;flex-shrink:0;display:flex;flex-direction:column;gap:8px}.video-player-container{aspect-ratio:16 / 9;background:#000;width:100%;margin-bottom:12px;border-radius:12px;overflow:hidden}.video-title-lg{font-size:20px;font-weight:700;margin-bottom:8px}.video-primary-info{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--border-subtle);padding-bottom:16px;margin-bottom:16px}.channel-info{display:flex;align-items:center;gap:12px}.channel-avatar{width:40px;height:40px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--accent-primary);font-size:18px}.btn{padding:8px 16px;border-radius:18px;font-weight:500;font-size:14px;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--text-primary);color:var(--bg-primary)}.btn-primary:hover{background:#d9d9d9}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary)}.btn-secondary:hover{background:#3d3d3d}.placeholder-thumb{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);font-size:3rem;font-weight:700;color:var(--accent-primary)}.footer{margin-top:auto;padding:24px;border-top:1px solid var(--border-subtle);text-align:center;color:var(--text-muted);font-size:12px}.footer-links a{margin:0 8px;color:var(--text-secondary)}.footer-links a:hover{color:var(--text-primary)}@media(max-width:768px){::-webkit-scrollbar{display:none}html{scrollbar-width:none}.header{padding:0 8px}.header-left{gap:8px;flex-shrink:0}.logo{font-size:1.1rem}.search-container{margin:0 0 0 8px;max-width:none;flex:1}.search-input-box{font-size:14px;height:36px;padding:0 12px}.search-btn{height:36px;width:48px}.nav-right{display:none}.main{padding:0 16px 16px!important;overflow-x:hidden}.main>.filters-sticky:first-child{margin-top:calc(-1 * var(--header-height))!important;margin-bottom:16px!important;padding-top:calc(var(--header-height) + 8px)!important;padding-bottom:8px!important}.app-layout{margin-top:0!important;padding-top:0!important}.app-layout>.main:has(>.filters-sticky:first-child){margin-top:0!important;padding-top:0!important}.video-grid{grid-template-columns:1fr;gap:12px;row-gap:24px}.video-card-thumbnail{border-radius:0;margin:0 -16px;width:calc(100% + 32px)}.video-card-content{padding-right:0}.filters{margin:0 -16px 16px;padding:8px 16px}.filters-sticky{margin:0 -16px 16px!important;padding:8px 16px!important;top:var(--header-height)!important;position:sticky!important}.main:has(.filters-sticky){padding-top:0!important}.video-page{padding:0;gap:16px}.video-player-container{margin-left:-16px;width:calc(100% + 32px);border-radius:0}.related-sidebar{width:100%;padding:0 0 24px}}