:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#111;color:#f5f5f5;line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,rgba(30,215,96,.08),transparent 320px),#111}button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;background:#111111eb;border-bottom:1px solid rgba(255,255,255,.08);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand{font-size:1rem;font-weight:800}.topnav{display:flex;gap:8px}.topnav a{min-height:40px;display:inline-flex;align-items:center;padding:0 10px;border-radius:8px;color:#c9c9c9}.topnav a.active{color:#111;background:#1ed760}.page{width:min(100%,760px);margin:0 auto;padding:22px 16px 36px}.screen{display:grid;gap:16px}.centered{min-height:58vh;place-items:center}.hero,.panel,.playback-card,.scanner-card{border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#ffffff0e;padding:18px}.hero{padding:24px 18px}.playback-card{min-height:70vh;display:flex;flex-direction:column;justify-content:center;gap:18px}.eyebrow{margin:0 0 8px;color:#1ed760;font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2{margin:0;letter-spacing:0;line-height:1.08}h1{font-size:clamp(2rem,12vw,4.2rem)}h2{font-size:1.08rem}.lead,.muted{color:#c9c9c9}.lead{font-size:1.04rem;margin:14px 0 0}.muted{margin:8px 0 0}.section-heading,.status-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;justify-content:space-between}.status-row{justify-content:flex-start}.status-pill{display:inline-flex;align-items:center;min-height:32px;border-radius:8px;padding:4px 10px;font-size:.84rem;font-weight:800;background:#ffffff1a}.status-pill--success{background:#1ed7602e;color:#8ff0b5}.status-pill--warning{background:#f5c5422e;color:#f2d37d}.status-pill--danger{background:#ff58582e;color:#ffaaa6}.button-stack{display:grid;gap:12px}.button{min-height:52px;border:0;border-radius:8px;padding:0 18px;font-weight:900;cursor:pointer}.button-link{display:inline-flex;align-items:center;justify-content:center;width:100%}.button:disabled{cursor:not-allowed;opacity:.55}.button-large{min-height:68px;font-size:1.1rem}.button-primary{background:#1ed760;color:#101010}.button-secondary{background:#ffffff1f;color:#f5f5f5}.button-danger{background:#f05d5e;color:#111}.field{display:grid;gap:8px;margin-top:16px}.playlist-tools{display:grid;gap:12px}.playlist-summary{display:grid;gap:4px;margin-top:16px;padding:12px;border-radius:8px;background:#ffffff0f;color:#c9c9c9}.field span{color:#c9c9c9;font-weight:700}input,textarea{width:100%;border:1px solid rgba(255,255,255,.14);border-radius:8px;background:#0000003d;color:#f5f5f5;padding:12px}textarea{resize:vertical;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.86rem}.scope-list{overflow-wrap:anywhere;color:#c9c9c9;margin:8px 0 0;font-family:ui-monospace,SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.82rem}.error-box,.success-box{border-radius:8px;padding:12px;margin:10px 0 0}.error-box{color:#ffd6d3;background:#ff585824}.success-box{color:#c8ffd9;background:#1ed76024}.scanner-card{display:grid;gap:16px}.scanner-viewport{position:relative;overflow:hidden;width:100%;aspect-ratio:3 / 4;border:1px solid rgba(255,255,255,.14);border-radius:8px;background:#050505}.scanner-video{width:100%;height:100%;object-fit:cover}.scanner-frame{position:absolute;inset:16%;border:3px solid #1ed760;border-radius:8px;box-shadow:0 0 0 999px #0000005c}@media(min-width:620px){.page{padding-top:34px}.hero,.panel,.playback-card,.scanner-card{padding:24px}.scanner-viewport{aspect-ratio:4 / 3}}