:root{color-scheme:dark;--bg:#020817;--panel:#07101f;--panel-2:#111d31;--border:#1d2a3e;--text:#f8fafc;--muted:#91a4c0;--accent:#ec4899;--shadow:0 18px 60px rgba(0,0,0,.25)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,sans-serif;background:radial-gradient(circle at 50% -20%,#0b1730 0,#020817 42%);color:var(--text);min-height:100vh}.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}.topbar{height:84px;border-bottom:1px solid var(--border);background:rgba(2,8,23,.88);backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.brand-row{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-icon{width:40px;height:40px;border-radius:9px;background:var(--accent);display:grid;place-items:center;font-weight:800}.brand strong{display:block;font-size:20px}.brand small{display:block;color:var(--muted);margin-top:2px}.icon-button{width:38px;height:38px;border:1px solid var(--border);border-radius:9px;background:var(--panel);color:var(--text);cursor:pointer}.page-shell{padding:30px 0 70px}.tabs{display:grid;grid-template-columns:repeat(3,1fr);padding:4px;background:var(--panel-2);border-radius:9px;margin-bottom:30px}.tab{border:0;border-radius:7px;padding:14px;background:transparent;color:var(--muted);font-weight:700;cursor:pointer}.tab.active{background:var(--accent);color:#fff}.tab-panel{display:none}.tab-panel.active{display:block}.card{background:rgba(4,12,27,.9);border:1px solid var(--border);border-radius:14px;padding:30px;box-shadow:var(--shadow);margin-bottom:28px}.hero-card{padding:46px 30px}.section-heading{text-align:center;margin-bottom:30px}.section-heading.compact{margin-bottom:24px}.section-heading h1,.section-heading h2{margin:0 0 10px}.section-heading h1{font-size:32px}.section-heading p{margin:0;color:var(--muted);line-height:1.6}.analyze-form{max-width:760px;margin:auto;text-align:center}.url-field{display:flex;align-items:center;border:1px solid #30415d;background:#020817;border-radius:11px;padding:5px 5px 5px 14px}.field-icon{margin-right:10px}.url-field input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--text);font-size:15px;padding:12px 0}.paste-button,.secondary-button{border:0;background:#1a2940;color:#fff;border-radius:8px;font-weight:700;cursor:pointer}.paste-button{padding:11px 14px}.primary-button{width:100%;margin-top:14px;padding:14px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-weight:800;cursor:pointer}.secondary-button{margin-top:16px;padding:12px 18px}.form-message{min-height:20px;margin:14px 0 0;color:var(--muted)}.form-message.error{color:#fb7185}.video-summary{display:grid;grid-template-columns:190px 1fr;gap:24px}.thumbnail{width:190px;aspect-ratio:9/16;object-fit:cover;border-radius:10px;background:var(--panel-2)}.video-meta h2{margin:4px 0 8px;font-size:19px}.video-meta a{color:#4d9cff;text-decoration:none}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}.stat{background:var(--panel-2);border-radius:8px;padding:16px;text-align:center}.stat span{display:block;font-size:20px;margin-bottom:8px}.stat strong{display:block}.stat small{color:var(--muted)}.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.format-card{border:1px solid var(--border);border-radius:12px;padding:28px 24px;text-align:center}.format-icon{width:50px;height:50px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;font-size:22px}.format-icon.video{background:#35151d;color:#ff5364}.format-icon.audio{background:#10244a;color:#4d8cff}.format-icon.m4a{background:#063522;color:#22c55e}.format-card h3{margin:0 0 8px}.format-card p{color:var(--muted);min-height:52px;line-height:1.5}.badge{display:inline-block;border-radius:999px;padding:5px 10px;font-size:11px;font-weight:800}.badge.red{background:#ef4444}.badge.blue{background:#3b82f6}.badge.green{background:#22c55e}.download-button{display:block;margin-top:18px;padding:12px;border-radius:8px;color:white;text-decoration:none;font-weight:800}.download-button.red{background:#ef4444}.download-button.blue{background:#3b82f6}.download-button.green{background:#22c55e}.download-button.disabled{opacity:.45;pointer-events:none}.benefits{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin-top:25px;background:var(--panel-2);border-radius:8px;padding:14px;color:var(--muted);font-size:13px}.benefits span::first-letter{color:#22c55e}.hidden{display:none}.history-list{display:grid;gap:12px}.history-item{display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:14px;background:var(--panel-2);padding:12px;border-radius:10px}.history-item img{width:60px;height:70px;object-fit:cover;border-radius:7px}.history-item strong,.history-item small{display:block}.history-item small{color:var(--muted);margin-top:5px}.history-item a{color:#fff;text-decoration:none;background:var(--accent);padding:9px 12px;border-radius:7px}.faq-list{display:grid;gap:12px}.faq-list details{background:var(--panel-2);border-radius:10px;padding:16px}.faq-list summary{cursor:pointer;font-weight:700}.faq-list p{color:var(--muted);line-height:1.6}.light{color-scheme:light;--bg:#f3f6fb;--panel:#fff;--panel-2:#edf2f9;--border:#d9e1ed;--text:#101827;--muted:#64748b;background:#f5f7fb}.light .topbar{background:rgba(255,255,255,.9)}.light .card,.light .url-field{background:#fff}.light .url-field input{color:#111827}@media(max-width:800px){.video-summary{grid-template-columns:120px 1fr}.thumbnail{width:120px}.stats-grid{grid-template-columns:repeat(2,1fr);margin-top:20px}.format-grid{grid-template-columns:1fr}.format-card p{min-height:0}}@media(max-width:560px){.container{width:min(100% - 20px,1120px)}.topbar{height:70px}.brand small{display:none}.page-shell{padding-top:18px}.tab span{display:none}.card,.hero-card{padding:22px 16px}.section-heading h1{font-size:25px}.url-field{display:grid;grid-template-columns:auto 1fr}.paste-button{grid-column:1/-1;margin-top:4px}.video-summary{grid-template-columns:1fr}.thumbnail{width:100%;max-height:410px}.stats-grid{gap:8px}.stat{padding:12px 6px}.benefits{justify-content:flex-start}}
.download-progress-card{padding:30px}.download-progress-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.download-progress-title{display:flex;align-items:center;gap:16px}.download-progress-icon{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#10244a;color:#3b82f6;font-size:24px;font-weight:800}.download-progress-title h2{margin:0 0 6px;font-size:20px}.download-progress-title p{margin:0;color:var(--muted)}#downloadProgressPercent{font-size:30px;color:var(--accent)}.download-progress-track{height:9px;margin-top:22px;border-radius:999px;background:var(--panel-2);overflow:hidden}.download-progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#3b82f6,var(--accent));transition:width .2s ease}.download-progress-card.success .download-progress-icon{background:#063522;color:#22c55e}.download-progress-card.success #downloadProgressPercent{color:#22c55e}@media(max-width:560px){.download-progress-card{padding:22px 16px}.download-progress-head{align-items:flex-start}.download-progress-icon{width:42px;height:42px}.download-progress-title h2{font-size:17px}.download-progress-title p{font-size:13px}#downloadProgressPercent{font-size:24px}}