:root {
  --bg: #f5f3ef; --card: #ffffff; --ink: #1d1b18; --muted: #6b665e; --line: #e6e1d8;
  --accent: #4f46e5; --danger: #dc2626; --ok: #059669;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14130f; --card: #1f1d19; --ink: #f1ede6; --muted: #a39d92; --line: #34312b; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: 'Hind Siliguri', system-ui, sans-serif; line-height: 1.6; }
main { max-width: 720px; margin: 0 auto; padding: 16px 16px 40px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; margin-bottom: 14px; }
.label { font-weight: 600; color: var(--accent); margin-bottom: 8px; }
.script { font-size: 21px; line-height: 1.85; }
.script p { margin: 0 0 12px; }
@media (max-width: 520px) { .script { font-size: 19px; } }
.recorder { text-align: center; position: sticky; bottom: 8px; box-shadow: 0 -4px 20px rgba(0,0,0,.08); }
.timer { font-size: 36px; font-weight: 700; font-variant-numeric: tabular-nums; }
.timer small { font-size: 17px; color: var(--muted); font-weight: 500; }
.bar, .meter { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; margin: 8px 0; }
.meter { height: 5px; }
#progress { height: 100%; width: 0; background: var(--accent); transition: width .2s linear; }
#level { height: 100%; width: 0; background: var(--ok); transition: width .06s; }
.status { min-height: 26px; color: var(--muted); margin: 6px 0; }
.status.err { color: var(--danger); font-weight: 600; }
.status.live { color: var(--accent); font-weight: 600; }
.controls { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.btn { font: inherit; font-size: 17px; font-weight: 600; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 12px 24px; cursor: pointer; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn:disabled { opacity: .5; cursor: wait; }
audio { width: 100%; margin-top: 8px; }
input { width: 100%; margin-top: 10px; font: inherit; font-size: 16px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.done { text-align: center; padding: 40px 18px; }
.done .big { font-size: 56px; }
[hidden] { display: none !important; }

/* owner's list page (/files/<key>) */
.files h1 { margin: 8px 0 0; font-size: 24px; }
.files .sub { color: var(--muted); margin: 4px 0 16px; }
.files .rec { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-bottom: 12px; }
.files .fname { font-weight: 600; word-break: break-all; }
.files .fname small { color: var(--muted); font-weight: 400; }
.files .btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.files .btns form { margin: 0; }
.files .btns a, .files .btns button { font: inherit; font-size: 14px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 999px; padding: 6px 14px; cursor: pointer; text-decoration: none; }
.files .del { color: var(--danger) !important; }
.files .empty { color: var(--muted); }
.files .head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.files .out { font: inherit; font-size: 14px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 6px 14px; cursor: pointer; }
.login { max-width: 360px; margin: 12vh auto 0; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; text-align: center; }
.login .btn { width: 100%; margin-top: 12px; }
.files .navs { display: flex; gap: 8px; align-items: center; }
.files .navs a { text-decoration: none; }
.menu { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
@media (max-width: 480px) { .menu { grid-template-columns: 1fr; } }
.tile { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 28px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; text-decoration: none; color: var(--ink); }
.tile:hover { border-color: var(--accent); }
.tile span { font-size: 44px; } .tile b { font-size: 22px; } .tile small { color: var(--muted); }