:root{--bg-primary: #0a0a0f;--bg-secondary: #16161f;--bg-tertiary: #1f1f2e;--bg-elevated: #24242f;--bg-hover: #2d2d3a;--accent: #FF4D4D;--accent-2: #FF7A00;--accent-hover: #ff5e5e;--accent-dim: rgba(255, 77, 77, .15);--accent-glow: rgba(255, 77, 77, .4);--accent-gradient: linear-gradient(135deg, #FF4D4D 0%, #FF7A00 100%);--text-primary: #ffffff;--text-secondary: #b3b3b3;--text-tertiary: #6b6b80;--text-muted: #4a4a5c;--border-color: #2a2a40;--border-light: #353550;--success: #2ecc71;--warning: #f39c12;--danger: #e74c3c;--info: #3498db;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-accent: 0 4px 20px rgba(255, 77, 77, .3);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--transition-fast: .15s ease;--transition: .25s ease;--transition-slow: .4s ease;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-mono: "SF Mono", Monaco, Menlo, Consolas, "Courier New", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;height:100%}body{font-family:var(--font-sans);background-color:#000;color:var(--text-primary);line-height:1.6;font-size:14px;height:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{height:100%;display:flex;flex-direction:column}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent)}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea,select{font-family:inherit;font-size:inherit;color:var(--text-primary)}ul,ol{list-style:none}img{max-width:100%;display:block}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3}.app-shell{position:relative;width:100%;max-width:480px;margin:0 auto;min-height:100vh;min-height:100dvh;background:var(--bg-primary);overflow:hidden;display:flex;flex-direction:column}@media (min-width: 481px){body{background:#000}.app-shell{box-shadow:0 0 40px #000c}}::-webkit-scrollbar{width:0;height:0}.container{width:100%;padding:0 var(--space-md)}.text-accent{color:var(--accent)}.text-muted{color:var(--text-tertiary)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:10px 20px;border-radius:var(--radius-md);font-size:14px;font-weight:500;transition:all var(--transition);white-space:nowrap;border:1px solid transparent;user-select:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-accent)}.btn-primary:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--accent)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){color:var(--accent);background:var(--accent-dim)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:12px}.btn-lg{padding:14px 28px;font-size:16px}.btn-block{width:100%}.form-group{margin-bottom:var(--space-md)}.form-label{display:block;margin-bottom:var(--space-sm);color:var(--text-secondary);font-size:13px;font-weight:500}.form-input,.form-textarea,.form-select{width:100%;padding:12px 14px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);transition:all var(--transition-fast);outline:none}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:80px}.card{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--space-lg);border:1px solid var(--border-color)}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:500}.badge-success{background:#2ecc7126;color:var(--success)}.badge-warning{background:#f39c1226;color:var(--warning)}.badge-danger{background:#e74c3c26;color:var(--danger)}.badge-info{background:#3498db26;color:var(--info)}.badge-muted{background:#6b6b8026;color:var(--text-tertiary)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-2xl);color:var(--text-tertiary)}.spinner{width:24px;height:24px;border:2px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .4s ease}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--text-tertiary)}.empty-state-icon{font-size:48px;margin-bottom:var(--space-md);opacity:.5}[data-theme=dark-blue]{--bg-primary: #0a0a14;--bg-secondary: #12122a;--bg-tertiary: #1a1a38;--bg-elevated: #202048;--bg-hover: #28285a;--accent: #4A90D9;--accent-2: #6C5CE7;--accent-hover: #5ca0e9;--accent-dim: rgba(74, 144, 217, .15);--accent-glow: rgba(74, 144, 217, .4);--accent-gradient: linear-gradient(135deg, #4A90D9 0%, #6C5CE7 100%);--shadow-accent: 0 4px 20px rgba(74, 144, 217, .3)}[data-theme=dark-purple]{--bg-primary: #0f0a14;--bg-secondary: #1a1224;--bg-tertiary: #241a34;--bg-elevated: #2e2040;--bg-hover: #38284c;--accent: #9B59B6;--accent-2: #E74C8B;--accent-hover: #ab69c6;--accent-dim: rgba(155, 89, 182, .15);--accent-glow: rgba(155, 89, 182, .4);--accent-gradient: linear-gradient(135deg, #9B59B6 0%, #E74C8B 100%);--shadow-accent: 0 4px 20px rgba(155, 89, 182, .3)}[data-theme=dark-green]{--bg-primary: #0a0f0c;--bg-secondary: #121f16;--bg-tertiary: #1a2e20;--bg-elevated: #203828;--bg-hover: #284230;--accent: #2ECC71;--accent-2: #27AE60;--accent-hover: #3edc81;--accent-dim: rgba(46, 204, 113, .15);--accent-glow: rgba(46, 204, 113, .4);--accent-gradient: linear-gradient(135deg, #2ECC71 0%, #27AE60 100%);--shadow-accent: 0 4px 20px rgba(46, 204, 113, .3)}[data-theme=dark-orange]{--bg-primary: #0f0c0a;--bg-secondary: #1f1812;--bg-tertiary: #2e221a;--bg-elevated: #382a20;--bg-hover: #423228;--accent: #FF7A00;--accent-2: #FFB347;--accent-hover: #ff8a1a;--accent-dim: rgba(255, 122, 0, .15);--accent-glow: rgba(255, 122, 0, .4);--accent-gradient: linear-gradient(135deg, #FF7A00 0%, #FFB347 100%);--shadow-accent: 0 4px 20px rgba(255, 122, 0, .3)}[data-theme=dark-pink]{--bg-primary: #0f0a0e;--bg-secondary: #1f1218;--bg-tertiary: #2e1a22;--bg-elevated: #38202a;--bg-hover: #422832;--accent: #FF6B9D;--accent-2: #C44569;--accent-hover: #ff7bad;--accent-dim: rgba(255, 107, 157, .15);--accent-glow: rgba(255, 107, 157, .4);--accent-gradient: linear-gradient(135deg, #FF6B9D 0%, #C44569 100%);--shadow-accent: 0 4px 20px rgba(255, 107, 157, .3)}[data-theme=dark-gold]{--bg-primary: #0f0e0a;--bg-secondary: #1f1c12;--bg-tertiary: #2e2a1a;--bg-elevated: #383420;--bg-hover: #423e28;--accent: #F1C40F;--accent-2: #E67E22;--accent-hover: #f2d02a;--accent-dim: rgba(241, 196, 15, .15);--accent-glow: rgba(241, 196, 15, .4);--accent-gradient: linear-gradient(135deg, #F1C40F 0%, #E67E22 100%);--shadow-accent: 0 4px 20px rgba(241, 196, 15, .3)}[data-theme=dark-teal]{--bg-primary: #0a0f0e;--bg-secondary: #121f1c;--bg-tertiary: #1a2e2a;--bg-elevated: #203834;--bg-hover: #28423c;--accent: #1ABC9C;--accent-2: #16A085;--accent-hover: #2accac;--accent-dim: rgba(26, 188, 156, .15);--accent-glow: rgba(26, 188, 156, .4);--accent-gradient: linear-gradient(135deg, #1ABC9C 0%, #16A085 100%);--shadow-accent: 0 4px 20px rgba(26, 188, 156, .3)}[data-theme=light-default]{--bg-primary: #ffffff;--bg-secondary: #f5f5f7;--bg-tertiary: #ebebf0;--bg-elevated: #ffffff;--bg-hover: #e8e8ed;--accent: #FF4D4D;--accent-2: #FF7A00;--accent-hover: #ff5e5e;--accent-dim: rgba(255, 77, 77, .1);--accent-glow: rgba(255, 77, 77, .2);--accent-gradient: linear-gradient(135deg, #FF4D4D 0%, #FF7A00 100%);--shadow-accent: 0 4px 20px rgba(255, 77, 77, .15);--text-primary: #1a1a2e;--text-secondary: #555570;--text-tertiary: #8888a0;--text-muted: #b0b0c0;--border-color: #e0e0e8;--border-light: #d0d0da;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12)}[data-theme=light-warm]{--bg-primary: #fffbf5;--bg-secondary: #f5efe6;--bg-tertiary: #ebe5da;--bg-elevated: #fff8f0;--bg-hover: #e8e0d4;--accent: #E67E22;--accent-2: #D35400;--accent-hover: #f09030;--accent-dim: rgba(230, 126, 34, .1);--accent-glow: rgba(230, 126, 34, .2);--accent-gradient: linear-gradient(135deg, #E67E22 0%, #D35400 100%);--shadow-accent: 0 4px 20px rgba(230, 126, 34, .15);--text-primary: #2c1f10;--text-secondary: #6b5a48;--text-tertiary: #9a8a78;--text-muted: #c0b0a0;--border-color: #e0d8cc;--border-light: #d4cab8;--shadow-sm: 0 2px 8px rgba(60, 40, 20, .06);--shadow-md: 0 4px 16px rgba(60, 40, 20, .08);--shadow-lg: 0 8px 32px rgba(60, 40, 20, .12)}[data-layout=grid] .video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}[data-layout=grid] .video-card{flex-direction:column}[data-layout=grid] .video-card .card-cover{aspect-ratio:3 / 4}[data-layout=list] .video-grid{display:flex;flex-direction:column;gap:8px}[data-layout=list] .video-card{display:flex;flex-direction:row;align-items:center;gap:var(--space-md);padding:var(--space-sm) var(--space-md)}[data-layout=list] .video-card .card-cover{width:120px;min-width:120px;aspect-ratio:16 / 9;border-radius:var(--radius-sm)}[data-layout=list] .video-card .card-info{flex:1;min-width:0}[data-layout=card] .video-grid{display:flex;flex-direction:column;gap:16px}[data-layout=card] .video-card{border-radius:var(--radius-lg);overflow:hidden}[data-layout=card] .video-card .card-cover{aspect-ratio:16 / 9;width:100%}.app-shell{transition:background-color .3s ease,color .3s ease}