:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1f2328;
  --muted: #5f6b7a;
  --line: #d8dde3;
  --accent: #5865f2;
  --ok: #1a7f37;
  --bad: #c62828;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1f22;
    --card: #2b2d31;
    --text: #e6e7e9;
    --muted: #a0a6ae;
    --line: #3f4248;
    --accent: #7983f5;
    --ok: #4cc26b;
    --bad: #f0706a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}
h1 { margin: 0 0 16px; font-size: 1.6rem; }
code { background: var(--card); padding: 2px 6px; border-radius: 4px; }
.hint { color: var(--muted); }
.small { font-size: .875rem; margin-top: 24px; }
.error { color: var(--bad); font-weight: 600; }

.drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 40px 16px;
  border: 2px dashed var(--line);
  border-radius: 12px;
  background: var(--card);
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--accent); }
.drop input { display: none; }
.drop span, .drop small { color: var(--muted); }

#queue { list-style: none; margin: 16px 0; padding: 0; display: grid; gap: 12px; }
.item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  display: grid;
  gap: 8px;
}
.item.done { border-color: var(--ok); }
.item.failed { border-color: var(--bad); }
.row { display: flex; align-items: center; gap: 12px; min-width: 0; }
.name { flex: 1; font-weight: 600; overflow-wrap: anywhere; }
.size { color: var(--muted); white-space: nowrap; }
.remove {
  border: 0; background: none; color: var(--muted);
  font-size: 1rem; cursor: pointer; padding: 4px 8px;
}
.desc {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
progress { width: 100%; height: 8px; accent-color: var(--accent); }
.msg { font-size: .9rem; color: var(--muted); overflow-wrap: anywhere; }
.msg.error { color: var(--bad); font-weight: 400; }
.msg.ok { color: var(--ok); }
.msg a { color: var(--accent); }

#start {
  width: 100%;
  padding: 12px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
#start:disabled { opacity: .5; cursor: default; }