:root {
  --ink: #1c1f26;
  --muted: #6b7280;
  --line: #e3e6ea;
  --bg: #f7f8fa;
  --card: #ffffff;
  --accent: #2f5fda;
  --accent-ink: #ffffff;
  --danger: #cc0000;
  --amber: #b9840a;
  --amber-bg: #fff4d6;
  --grey-bg: #ececec;
  --radius: 10px;
  --jr: #2f8f5b;
  --sr: #7a3fc4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

header.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

header.topbar h1 {
  font-size: 1.05rem;
  margin: 0;
  font-weight: 700;
}

nav.tabs {
  display: flex;
  gap: 6px;
}

nav.tabs a {
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
}

nav.tabs a.active, nav.tabs a:hover {
  background: var(--accent);
  color: var(--accent-ink);
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

input[type="text"], input[type="search"], input[type="email"], input[type="number"], input[type="password"], select {
  font-size: 1rem;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  width: 100%;
}

button {
  font-size: 0.92rem;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--accent);
}

button.danger {
  background: var(--danger);
  border-color: var(--danger);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.list-row:hover { background: var(--bg); }
.list-row:last-child { border-bottom: none; }

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  color: white;
}

.badge.jr { background: var(--jr); }
.badge.sr { background: var(--sr); }
.badge.withdrawn { background: var(--muted); }

.number-pill {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--muted);
  min-width: 3.2em;
  display: inline-block;
}

.name-red { color: var(--danger) !important; font-weight: 700; }

.muted { color: var(--muted); font-size: 0.88rem; }

.round-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
}

.round-block h3 { margin: 0 0 6px 0; font-size: 0.95rem; }

.two-pane {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 700px) {
  .two-pane { grid-template-columns: 1fr; }
  main { padding: 10px; }
}

.pane select { margin-bottom: 10px; }

.dropzone {
  min-height: 200px;
  border: 2px dashed var(--line);
  border-radius: 8px;
  padding: 6px;
}

.dropzone.dragover { border-color: var(--accent); background: #eef2ff; }

.chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 10px;
  margin: 6px 0;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--line);
  cursor: grab;
}

.chip.withdrawn { opacity: 0.55; }
.chip .meta { font-size: 0.78rem; color: var(--muted); }

.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.room-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: var(--bg);
}

.room-card h4 { margin: 0 0 6px 0; font-size: 0.9rem; }
.room-card.unused { background: var(--grey-bg); }

.conflict-banner {
  background: #ffecec;
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-weight: 600;
  font-size: 0.9rem;
}

.error-banner {
  background: #ffecec;
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.ok-banner {
  background: #e9f9ee;
  border: 1px solid var(--jr);
  color: #1a6b3f;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

table.export-preview {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

table.export-preview th, table.export-preview td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

table.export-preview tr.withdrawn { background: var(--grey-bg); }
table.export-preview tr.moved { background: var(--amber-bg); }
table.export-preview td.conflict { color: var(--danger); font-weight: 700; }

.field-row { margin-bottom: 10px; }
.field-row label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; }

.admin-only-tag {
  font-size: 0.7rem;
  background: var(--ink);
  color: white;
  padding: 1px 7px;
  border-radius: 999px;
  margin-left: 6px;
}