:root{--color-bg-primary: #0a0a0f;--color-bg-secondary: #12121a;--color-bg-tertiary: #1a1a24;--color-bg-elevated: #22222e;--color-bg-hover: #2a2a38;--color-accent-primary: #6366f1;--color-accent-secondary: #818cf8;--color-accent-hover: #7c7ff7;--color-accent-glow: rgba(99, 102, 241, .3);--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .15);--gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--gradient-secondary: linear-gradient(135deg, #1e1e2e 0%, #2d2d42 100%);--gradient-glow: radial-gradient(ellipse at center, var(--color-accent-glow), transparent 70%);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-glow: 0 0 30px var(--color-accent-glow);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .625rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-family);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--color-accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}img,video{max-width:100%;height:auto}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--color-text-primary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1rem}h6{font-size:.875rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-size:.875rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-sm),var(--shadow-glow)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-md),var(--shadow-glow)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg-hover);border-color:var(--color-border-hover)}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:1rem}.btn-icon{padding:var(--space-sm);width:2.5rem;height:2.5rem}.card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-normal)}.card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-md)}.card-glass{background:#12121acc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;margin-bottom:var(--space-sm);font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.form-input{width:100%;padding:var(--space-md);font-size:1rem;font-family:inherit;color:var(--color-text-primary);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.form-input::placeholder{color:var(--color-text-muted)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--space-lg)}.page{padding:var(--space-xl) 0;flex:1}.grid{display:grid;gap:var(--space-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-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.badge{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);font-size:.75rem;font-weight:500;border-radius:var(--radius-full);background:var(--color-bg-tertiary);color:var(--color-text-secondary)}.badge-success{background:#22c55e26;color:var(--color-success)}.badge-warning{background:#f59e0b26;color:var(--color-warning)}.badge-error{background:#ef444426;color:var(--color-error)}.badge-info{background:#6366f126;color:var(--color-accent-primary)}.progress{width:100%;height:.5rem;background:var(--color-bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.progress-bar{height:100%;background:var(--gradient-primary);border-radius:var(--radius-full);transition:width var(--transition-normal)}.score-badge{display:inline-flex;align-items:center;justify-content:center;min-width:3rem;padding:var(--space-xs) var(--space-sm);font-size:.875rem;font-weight:600;border-radius:var(--radius-md)}.score-high{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff}.score-medium{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.score-low{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.video-container{position:relative;width:100%;background:var(--color-bg-primary);border-radius:var(--radius-lg);overflow:hidden}.video-container video{width:100%;display:block}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:#0a0a0fe6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border)}.navbar-content{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) 0}.navbar-brand{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;color:var(--color-text-primary)}.navbar-brand svg{color:var(--color-accent-primary)}.sidebar{position:fixed;left:0;top:64px;bottom:0;width:240px;background:var(--color-bg-secondary);border-right:1px solid var(--color-border);padding:var(--space-lg);overflow-y:auto}.sidebar-nav{list-style:none}.sidebar-link{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);color:var(--color-text-secondary);border-radius:var(--radius-md);transition:all var(--transition-fast);margin-bottom:var(--space-xs)}.sidebar-link:hover,.sidebar-link.active{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.sidebar-link.active{background:var(--color-accent-glow);color:var(--color-accent-primary)}.main-with-sidebar{margin-left:240px;margin-top:64px;padding:var(--space-xl);min-height:calc(100vh - 64px)}.upload-zone{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--space-2xl);text-align:center;transition:all var(--transition-normal);cursor:pointer}.upload-zone:hover,.upload-zone.dragover{border-color:var(--color-accent-primary);background:var(--color-accent-glow)}.upload-zone-icon{width:4rem;height:4rem;margin:0 auto var(--space-lg);color:var(--color-accent-primary)}.timeline{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg)}.timeline-track{position:relative;height:50px;background:var(--color-bg-tertiary);border-radius:var(--radius-md);margin-bottom:var(--space-md);overflow:hidden}.timeline-clip{position:absolute;top:4px;bottom:4px;background:var(--gradient-primary);border-radius:var(--radius-sm);cursor:grab;display:flex;align-items:center;padding:0 var(--space-sm);font-size:.75rem;font-weight:500;color:#fff;user-select:none;-webkit-user-select:none;touch-action:none}.timeline-clip:hover{box-shadow:0 0 12px var(--color-accent-glow)}.timeline-clip:active{cursor:grabbing}.timeline-playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--color-error);z-index:10}.timeline-playhead:before{content:"";position:absolute;top:0;left:-4px;width:10px;height:10px;background:var(--color-error);border-radius:50%}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn var(--transition-normal) ease-out}.animate-pulse{animation:pulse 2s infinite}.animate-spin{animation:spin 1s linear infinite}.spinner{width:2rem;height:2rem;border:3px solid var(--color-bg-tertiary);border-top-color:var(--color-accent-primary);border-radius:50%;animation:spin 1s linear infinite}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--color-text-secondary)}.empty-state-icon{width:4rem;height:4rem;margin:0 auto var(--space-lg);color:var(--color-text-muted)}.video-card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-normal)}.video-card:hover{border-color:var(--color-border-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.video-card-thumbnail{position:relative;aspect-ratio:16 / 9;background:var(--color-bg-tertiary);overflow:hidden}.video-card-thumbnail img{width:100%;height:100%;object-fit:cover}.video-card-duration{position:absolute;bottom:var(--space-sm);right:var(--space-sm);padding:var(--space-xs) var(--space-sm);font-size:.75rem;font-weight:500;background:#000c;border-radius:var(--radius-sm)}.video-card-body{padding:var(--space-md)}.video-card-title{font-size:1rem;font-weight:500;margin-bottom:var(--space-xs);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.video-card-meta{font-size:.875rem;color:var(--color-text-secondary)}.clip-card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-normal)}.clip-card:hover{border-color:var(--color-accent-primary);box-shadow:var(--shadow-glow)}.clip-card-thumbnail{position:relative;aspect-ratio:16 / 9;background:var(--color-bg-tertiary)}.clip-card-thumbnail img{width:100%;height:100%;object-fit:cover}.clip-card-score{position:absolute;top:var(--space-sm);right:var(--space-sm)}.clip-card-body{padding:var(--space-md)}@media (max-width: 768px){.sidebar{display:none}.main-with-sidebar{margin-left:0}h1{font-size:2rem}h2{font-size:1.5rem}}