:root{--bg-primary: #0a0e17;--bg-secondary: #111827;--bg-card: #1a2332;--bg-card-hover: #1f2b3d;--bg-input: #1a2332;--border: #2d3748;--border-light: #374151;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #3b82f6;--accent-hover: #2563eb;--accent-glow: rgba(59, 130, 246, .15);--green: #22c55e;--green-bg: rgba(34, 197, 94, .1);--red: #ef4444;--red-bg: rgba(239, 68, 68, .1);--orange: #f59e0b;--purple: #8b5cf6;--gradient-hero: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #1a2332 100%);--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-card: 0 1px 3px rgba(0, 0, 0, .3), 0 1px 2px rgba(0, 0, 0, .2);--shadow-lg: 0 4px 24px rgba(0, 0, 0, .4);--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 24px}.nav{background:#111827cc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;padding:16px 0}.nav-inner{display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--text-primary);text-decoration:none}.nav-brand:hover{text-decoration:none}.nav-brand-icon{width:36px;height:36px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px}.hero{background:var(--gradient-hero);border-bottom:1px solid var(--border);padding:80px 0 72px;text-align:center}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:#3b82f61a;border:1px solid rgba(59,130,246,.2);color:var(--accent);padding:6px 14px;border-radius:100px;font-size:13px;font-weight:500;margin-bottom:24px}.hero h1{font-size:48px;font-weight:800;letter-spacing:-1px;margin-bottom:16px;line-height:1.15;background:linear-gradient(135deg,#f1f5f9,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:18px;color:var(--text-secondary);max-width:560px;margin:0 auto 40px}.search-wrapper{max-width:680px;margin:0 auto}.search-box{display:flex;gap:0;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .2s,box-shadow .2s}.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.search-box input{flex:1;padding:16px 20px;font-size:16px;color:var(--text-primary);background:transparent;border:none;outline:none}.search-box input::placeholder{color:var(--text-muted)}.search-box button{padding:16px 28px;background:var(--accent);color:#fff;border:none;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s;white-space:nowrap}.search-box button:hover{background:var(--accent-hover)}.search-box button:disabled{opacity:.6;cursor:not-allowed}.search-error{color:var(--red);font-size:14px;margin-top:10px;text-align:left}.search-hint{font-size:12px;color:var(--text-muted);margin-top:12px}.stats-preview{padding:64px 0}.stats-preview h2{font-size:28px;font-weight:700;margin-bottom:8px;text-align:center}.stats-preview .subtitle{color:var(--text-secondary);text-align:center;margin-bottom:40px;font-size:16px}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:border-color .2s,transform .2s}.feature-card:hover{border-color:var(--accent);transform:translateY(-2px)}.feature-card-icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}.feature-card-icon.blue{background:#3b82f626}.feature-card-icon.green{background:var(--green-bg)}.feature-card-icon.purple{background:#8b5cf626}.feature-card h3{font-size:16px;font-weight:600;margin-bottom:6px}.feature-card p{color:var(--text-secondary);font-size:14px}.channel-page{padding:40px 0}.channel-header{display:flex;gap:24px;align-items:flex-start;margin-bottom:36px}.channel-thumb{width:96px;height:96px;border-radius:50%;border:3px solid var(--border);flex-shrink:0}.channel-meta{flex:1}.channel-meta h1{font-size:32px;font-weight:800;margin-bottom:4px}.channel-meta .handle{color:var(--text-secondary);font-size:16px;margin-bottom:8px}.channel-meta .description{color:var(--text-muted);font-size:14px;line-height:1.6}.channel-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.channel-tag{padding:4px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:100px;font-size:12px;color:var(--text-secondary)}.metrics-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px}.metric-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}.metric-card .label{color:var(--text-muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.metric-card .value{font-size:28px;font-weight:800}.metric-card .delta{font-size:12px;font-weight:600;margin-top:4px}.delta-positive{color:var(--green)}.delta-negative{color:var(--red)}.section-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;overflow:hidden}.section-card-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.section-card-header h2{font-size:18px;font-weight:700}.section-card-body{padding:20px 24px}.video-table{width:100%;border-collapse:collapse}.video-table th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border)}.video-table td{padding:14px 16px;border-bottom:1px solid var(--border-light);font-size:14px}.video-table tr:hover td{background:#3b82f60a}.video-thumb-cell{display:flex;align-items:center;gap:12px}.video-thumb-cell img{width:120px;height:68px;border-radius:6px;object-fit:cover;flex-shrink:0}.video-thumb-cell .title{font-weight:600;margin-bottom:2px}.video-thumb-cell .meta{color:var(--text-muted);font-size:12px}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 20px;text-align:center}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(360deg)}}.loading-state p{color:var(--text-secondary)}.error-state{text-align:center;padding:60px 20px}.error-state h3{color:var(--red);margin-bottom:8px}.error-state p{color:var(--text-secondary)}.api-key-banner{background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);border-radius:var(--radius);padding:16px 20px;max-width:560px;margin:0 auto 40px;text-align:center}.api-key-banner h3{color:var(--orange);margin-bottom:4px;font-size:15px}.api-key-banner p{color:var(--text-secondary);font-size:13px}.footer{border-top:1px solid var(--border);padding:32px 0;text-align:center;color:var(--text-muted);font-size:13px;margin-top:64px}.channel-input-section{padding:40px 0 24px}.channel-input-section .search-wrapper{max-width:100%}.channel-input-section .search-box input{font-size:14px;padding:12px 16px}.channel-input-section .search-box button{padding:12px 20px;font-size:14px}@media(max-width:768px){.hero h1{font-size:32px}.metrics-bar{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:1fr}.channel-header{flex-direction:column;align-items:center;text-align:center}.channel-tags{justify-content:center}.video-table{font-size:12px}.video-thumb-cell img{width:80px;height:45px}}