:root{--color-bg-primary: #0f0f0f;--color-bg-secondary: #1a1a1a;--color-bg-elevated: #212121;--color-bg-hover: #272727;--color-text-primary: #ffffff;--color-text-secondary: #aaaaaa;--color-text-tertiary: #717171;--color-accent-primary: #ff0000;--color-accent-hover: #cc0000;--color-accent-gradient: linear-gradient(135deg, #ff0000 0%, #ff4444 100%);--color-border: #303030;--color-border-hover: #404040;--color-success: #0fcc7c;--color-error: #ff4444;--color-warning: #ffaa00;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .6);--transition-fast: .15s ease-in-out;--transition-base: .25s ease-in-out;--transition-slow: .35s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-bg-elevated);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-bg-hover)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}a{color:var(--color-text-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-primary)}.btn{padding:var(--spacing-sm) 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#ff00001a}.form-textarea{resize:vertical;min-height:100px}.form-error{color:var(--color-error);font-size:var(--font-size-sm);margin-top:var(--spacing-xs)}.card{background:var(--color-bg-elevated);border-radius:var(--radius-lg);padding:var(--spacing-lg);border:1px solid var(--color-border);transition:all var(--transition-base)}.card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-md)}.container{max-width:1400px;margin:0 auto;padding:0 var(--spacing-lg)}.container-narrow{max-width:600px;margin:0 auto;padding:0 var(--spacing-lg)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 1024px){.grid-4{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 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transparent}.video-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-border-hover)}.video-thumbnail{position:relative;width:100%;padding-top:56.25%;background:var(--color-bg-elevated);overflow:hidden;cursor:pointer}.thumbnail-video,.thumbnail-image{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.video-duration{position:absolute;bottom:var(--spacing-sm);right:var(--spacing-sm);background:#000c;color:#fff;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-weight:600;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.video-info-container{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md)}.video-avatar-link{flex-shrink:0}.video-info{flex:1;min-width:0}.video-title{font-size:var(--font-size-base);font-weight:600;margin-bottom:var(--spacing-xs);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--color-text-primary);cursor:pointer;transition:color var(--transition-fast)}.video-title:hover{color:var(--color-accent-primary)}.video-channel{display:inline-block;font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:500;margin-bottom:var(--spacing-xs);transition:color var(--transition-fast)}.video-channel:hover{color:var(--color-text-primary)}.video-meta{font-size:var(--font-size-sm);margin-bottom:var(--spacing-xs)}.video-description{font-size:var(--font-size-sm);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.home-container{padding:var(--spacing-2xl) 0;min-height:calc(100vh - 60px)}.home-header{margin-bottom:var(--spacing-xl)}.home-header h2{margin-bottom:var(--spacing-xs)}.video-card-skeleton{height:280px;border-radius:var(--radius-lg)}.empty-state{text-align:center;padding:var(--spacing-2xl) var(--spacing-lg);max-width:400px;margin:var(--spacing-2xl) auto}.empty-state svg{margin-bottom:var(--spacing-lg)}.empty-state h3{margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.shorts-container{background:var(--color-bg-primary);min-height:calc(100vh - 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h3{font-size:var(--font-size-lg);margin-bottom:var(--spacing-sm)}.shorts-meta{display:flex;gap:var(--spacing-sm);margin-top:var(--spacing-sm);font-size:var(--font-size-sm)}.shorts-controls{position:absolute;right:var(--spacing-lg);top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:var(--spacing-md)}.shorts-nav-btn{background:#0009;border:none;border-radius:var(--radius-full);width:48px;height:48px;display:flex;align-items:center;justify-content:center;color:#fff;cursor:pointer;transition:all var(--transition-base);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.shorts-nav-btn:hover{background:#000c;transform:scale(1.1)}.shorts-counter{position:absolute;top:var(--spacing-lg);right:var(--spacing-lg);background:#0009;color:#fff;padding:var(--spacing-sm) 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