:root {
  --bg: #f6f5f2; --card: #ffffff; --text: #1d1d1f; --muted: #6e6e73; --line: #e3e1dc;
  --accent: #2f5bea; --accent-ink: #ffffff; --good: #1f8a4c; --bad: #c4352b; --track: #ecebe7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214; --card: #1c1c1f; --text: #f2f2f4; --muted: #9a9aa2; --line: #2c2c31;
    --accent: #6b8cff; --accent-ink: #0b0b0c; --good: #4cc27f; --bad: #ff6b5e; --track: #2a2a2f;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 48px 16px 64px; }
main.narrow { max-width: 420px; }
h1 { font-size: 28px; margin: 0 0 4px; letter-spacing: -0.01em; }
.sub { color: var(--muted); margin: 0 0 28px; }
.top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.link { color: var(--muted); font-size: 14px; background: none; border: 0; cursor: pointer; padding: 0; text-decoration: underline; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
form.card { display: grid; gap: 12px; }
label { font-weight: 600; font-size: 14px; }
input[type=password] { font: inherit; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
.drop { border: 2px dashed var(--line); border-radius: 12px; padding: 40px 16px; text-align: center; cursor: pointer; display: block; transition: border-color .15s; }
.drop.over, .drop:hover { border-color: var(--accent); }
.drop strong { display: block; font-size: 18px; margin-bottom: 4px; }
.drop span { color: var(--muted); font-size: 14px; }
button, .btn { appearance: none; border: 0; border-radius: 10px; padding: 11px 18px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block; }
button:disabled { opacity: .6; cursor: default; }
.primary { background: var(--accent); color: var(--accent-ink); }
.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.file { font-weight: 600; word-break: break-all; }
.meta { color: var(--muted); font-size: 14px; }
ol.steps { list-style: none; padding: 0; margin: 20px 0 0; }
ol.steps li { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-top: 1px solid var(--line); }
ol.steps li:first-child { border-top: 0; }
.dot { width: 22px; height: 22px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: 13px; border: 2px solid var(--line); color: transparent; }
li.running .dot { border-color: var(--accent); border-top-color: transparent; animation: spin .9s linear infinite; }
li.done .dot { background: var(--good); border-color: var(--good); color: #fff; }
li.error .dot { background: var(--bad); border-color: var(--bad); color: #fff; }
li.pending .label { color: var(--muted); }
.label { flex: 1; }
.secs { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
@keyframes spin { to { transform: rotate(360deg); } }
.bar { height: 6px; background: var(--track); border-radius: 3px; overflow: hidden; margin-top: 6px; }
.bar > div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.row { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.result { display: grid; gap: 16px; justify-items: center; margin-top: 16px; }
video { width: 100%; max-width: 340px; aspect-ratio: 9 / 16; background: #000; border-radius: 12px; }
.err { color: var(--bad); white-space: pre-wrap; }
.note { color: var(--muted); font-size: 14px; margin-top: 12px; }
[hidden] { display: none !important; }