/* DarkDeck Labs: experiments. Dark, calm, one column. */
:root { --bg: #0a0a0a; --card: #121010; --line: #2a1616; --fg: #ececec; --mute: #b0a5a3; --red: #ff4d4d; --deep: #a30000; }
* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; background: radial-gradient(900px 420px at 50% -100px, #2a0a0e, var(--bg) 65%) no-repeat, var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: 0 max(16px, env(safe-area-inset-right, 0px)) 48px max(16px, env(safe-area-inset-left, 0px)); }
main, header { max-width: 760px; margin: 0 auto; }
header { padding-top: max(32px, env(safe-area-inset-top, 0px)); }
a { color: var(--red); }
.kicker { color: var(--mute); text-transform: uppercase; letter-spacing: .14em; font-size: .8rem; margin: 0 0 8px; }
.kicker a { text-decoration: none; }
h1 { font: 800 clamp(32px, 8vw, 50px)/1.05 Georgia, serif; margin: 0 0 10px; text-wrap: balance; }
h2 { font: 700 1.3rem Georgia, serif; margin: 0 0 6px; }
.lede { color: var(--mute); max-width: 56ch; }
.grid { display: grid; gap: 14px; margin: 24px 0; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.lab { display: block; text-decoration: none; color: var(--fg); background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; min-width: 0; }
.lab:hover { border-color: #5a1c1c; box-shadow: 0 0 26px rgba(255, 77, 77, .14); }
.lab p { margin: 0 0 6px; color: var(--mute); font-size: .95rem; }
.lab .pill { display: inline-block; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--red); border: 1px solid #5a1c1c; border-radius: 99px; padding: 2px 9px; margin-bottom: 8px; }
.btn { display: inline-block; padding: 12px 18px; border-radius: 10px; background: var(--deep); color: #fff; text-decoration: none; font-weight: 600; border: 1px solid var(--deep); min-height: 44px; cursor: pointer; font: inherit; font-weight: 600; }
.btn.ghost { background: transparent; border-color: #555; color: var(--fg); }
.btn:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible { outline: 3px solid #ffb3b3; outline-offset: 3px; }
.pick { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 16px 0; }
.pick input[type=file] { color: var(--mute); max-width: 100%; }
.note { color: var(--mute); font-size: .9rem; }
.aplayer { position: relative; background: #0a0a0a; border: 1px solid #251010; border-radius: 10px; overflow: hidden; }
.aplayer canvas { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; background: #0a0a0a; }
.aplayer audio { display: block; width: 100%; background: #111; }
.vizbar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; padding: 10px 12px; border-top: 1px solid #251010; font-size: .95rem; }
.vizbar select { background: #111; color: #ececec; border: 1px solid #3a2020; border-radius: 6px; padding: 6px 8px; font: inherit; }
.vizcalm { display: inline-flex; gap: 6px; align-items: center; }
.aplayer:fullscreen { display: flex; flex-direction: column; justify-content: center; border: 0; border-radius: 0; background: #000; }
.aplayer:fullscreen canvas { max-height: 80vh; width: auto; margin: 0 auto; max-width: 100%; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.pick:focus-within .btn { outline: 3px solid #ffb3b3; outline-offset: 3px; }