:root {
  --bg: #0e1116;
  --card: #161b22;
  --fg: #e6edf3;
  --muted: #9aa4b2;
  --accent: #2f81f7;
  --danger: #d9534f;
  --border: #30363d;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg); color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
main.card {
  max-width: 640px; margin: 8vh auto; padding: 2rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px;
}
h1 { margin-top: 0; }
.muted { color: var(--muted); }
form label { display: block; margin: 1rem 0 .25rem; }
form input {
  width: 100%; padding: .6rem .8rem;
  background: #0b0f14; color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
}
button, .btn {
  display: inline-block; padding: .55rem 1rem;
  background: var(--accent); color: #fff; border: 0;
  border-radius: 6px; text-decoration: none; cursor: pointer;
  font-weight: 600;
}
.btn.danger, button.danger { background: var(--danger); }
.row { display: flex; gap: .75rem; margin-top: 1.5rem; flex-wrap: wrap; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; }
dl.kv dt { color: var(--muted); }
table.files { width: 100%; border-collapse: collapse; }
table.files th, table.files td {
  padding: .5rem .6rem; border-bottom: 1px solid var(--border); text-align: left;
}
table.files a { color: var(--accent); text-decoration: none; }
.flash { padding: .6rem .8rem; border-radius: 6px; margin-bottom: 1rem; }
.flash.error { background: #3a1d1d; color: #ffb3b3; border: 1px solid #6b2b2b; }
.flash.message { background: #1d2c3a; color: #b3d4ff; border: 1px solid #2b4a6b; }