:root{--bg: #0b0d12;--bg-elevated: #121620;--bg-panel: rgba(255, 255, 255, .04);--border: rgba(255, 255, 255, .09);--text: #eef1f6;--text-muted: #9aa4b8;--accent: #f5c451;--accent-strong: #ffd873;--accent-ink: #1a1508;--danger: #ff6b6b;--radius: 18px;--shadow: 0 24px 60px rgba(0, 0, 0, .45);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(1100px 600px at 15% -10%,rgba(245,196,81,.14),transparent 60%),radial-gradient(900px 500px at 90% 0%,rgba(94,129,255,.16),transparent 55%),var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.app{max-width:1180px;margin:0 auto;padding:0 24px 64px}.topbar-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--accent),#7aa2ff);opacity:0;transition:width .4s ease,opacity .3s 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28px;max-width:46ch;color:var(--text-muted);font-size:17px}.hero__facts{display:flex;flex-wrap:wrap;gap:12px;margin:0;padding:0;list-style:none}.hero__facts li{display:flex;align-items:baseline;gap:8px;padding:10px 16px;border:1px solid var(--border);border-radius:999px;background:var(--bg-panel);color:var(--text-muted);font-size:14px}.hero__facts strong{color:var(--text);font-size:16px}.hero__panel{padding:26px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,#ffffff0d,#ffffff05);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.panel-note{margin:0;color:var(--text-muted);text-align:center}.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:52px 24px;border:1.5px dashed rgba(245,196,81,.45);border-radius:16px;background:#f5c4510d;color:var(--text);cursor:pointer;text-align:center;transition:border-color .2s ease,background .2s ease,transform .2s 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0;font-size:18px;overflow-wrap:anywhere}.player__switch{display:inline-flex;padding:3px;border:1px solid var(--border);border-radius:999px;background:#0000004d}.player__switch button{padding:7px 14px;border:none;border-radius:999px;background:transparent;color:var(--text-muted);cursor:pointer;font:inherit;font-size:13px}.player__switch button.is-active{background:var(--accent);color:var(--accent-ink);font-weight:600}.player__controls{display:flex;align-items:center;gap:14px}.player__play{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;flex:none;border:none;border-radius:50%;background:var(--accent);color:var(--accent-ink);cursor:pointer}.player__play:hover{background:var(--accent-strong)}.player__seek{flex:1;accent-color:var(--accent)}.player__time{color:var(--text-muted);font-size:13px;font-variant-numeric:tabular-nums}.player__note{margin:14px 0 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a{color:var(--accent);text-decoration:underline}@media (max-width: 900px){.hero{grid-template-columns:1fr;gap:32px}.how ol{grid-template-columns:1fr}}@media (max-width: 560px){.app{padding:0 16px 48px}.player__head{flex-direction:column}}