:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1d2330;
  --muted: #6b7280;
  --border: #e3e6eb;
  --accent: #3b5bdb;
  --accent-hover: #2f4ac0;
  --danger: #d6336c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161b;
    --card: #1d2027;
    --text: #e6e8ec;
    --muted: #9aa1ad;
    --border: #2e323b;
    --accent: #5c7cfa;
    --accent-hover: #748ffc;
    --danger: #f06595;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 40px 16px;
}
.card {
  max-width: 820px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.narrow { max-width: 380px; }
h1 { margin: 0 0 4px; font-size: 1.5rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
form { display: flex; flex-direction: column; gap: 14px; margin-top: 20px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; }
input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}
button {
  padding: 10px 14px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
}
button:hover { background: var(--accent-hover); }
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.link { background: none; color: var(--accent); padding: 4px 8px; }
button.link.danger { color: var(--danger); }
a { color: var(--accent); }
.error { color: var(--danger); min-height: 1.2em; margin: 0; font-size: 0.9rem; }
.switch { margin-top: 16px; text-align: center; }
header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
header div { display: flex; align-items: center; gap: 12px; }
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 1rem;
}
.dropzone.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin-top: 12px; }
.progress div { height: 100%; width: 0; background: var(--accent); transition: width 0.1s; }
table { width: 100%; border-collapse: collapse; margin-top: 16px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 500; }
td.name { word-break: break-all; }
td.actions { text-align: right; white-space: nowrap; }
.empty { text-align: center; }
@media (max-width: 560px) {
  .card { padding: 18px; }
  th:nth-child(3), td:nth-child(3) { display: none; }
}