:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #6b7280; --line: #e5e7eb;
  --accent: #2563eb; --accent-text: #fff; --danger: #dc2626; --ok: #16a34a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1218; --card: #171b23; --text: #e6e8ec; --muted: #9aa3b2; --line: #2a303b; --accent: #3b82f6; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, Segoe UI, sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; border-bottom: 1px solid var(--line); background: var(--card); }
header h1 { font-size: 20px; margin: 0; }
main { max-width: 1000px; margin: 0 auto; padding: 20px 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-bottom: 18px; }
#auth { max-width: 380px; margin: 40px auto; }
h2 { font-size: 17px; margin: 0 0 6px; }
.muted { color: var(--muted); margin: 0 0 12px; font-size: 13px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid .card { margin-bottom: 0; }
.grid + .card { margin-top: 18px; }
@media (max-width: 720px) { .grid { grid-template-columns: 1fr; } }
form { display: flex; flex-direction: column; gap: 10px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
input { font: inherit; padding: 9px 11px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); color: var(--text); width: 100%; }
button { font: inherit; padding: 9px 14px; border: 0; border-radius: 7px; background: var(--accent); color: var(--accent-text); cursor: pointer; }
button:disabled { opacity: .6; cursor: default; }
button.link { background: none; color: var(--accent); padding: 0; }
button.small { padding: 4px 10px; font-size: 13px; }
button.danger { background: none; color: var(--danger); border: 1px solid var(--line); }
.error { color: var(--danger); min-height: 1em; margin: 6px 0 0; font-size: 13px; }
.drop { border: 2px dashed var(--line); border-radius: 10px; padding: 28px; text-align: center; cursor: pointer; color: var(--muted); }
.drop.over { border-color: var(--accent); color: var(--accent); }
.drop input { display: none; }
progress { width: 100%; margin-top: 10px; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; }
td.name { word-break: break-all; }
td.actions { white-space: nowrap; text-align: right; }
td.actions > * { margin-left: 6px; }
a.btn { display: inline-block; padding: 4px 10px; font-size: 13px; border-radius: 7px; background: var(--accent); color: var(--accent-text); text-decoration: none; }
.status-failed { color: var(--danger); font-size: 12px; }
.status-downloading { color: var(--accent); font-size: 12px; }
@media (max-width: 640px) {
  thead { display: none; }
  tr { display: grid; grid-template-columns: 1fr auto; padding: 8px 0; border-bottom: 1px solid var(--line); }
  td { border: 0; padding: 2px 4px; }
  td.name { grid-column: 1 / -1; font-weight: 500; }
  td.src, td.date { display: none; }
}