:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #607087;
  --line: #d9e0ea;
  --accent: #2364aa;
  --accent-soft: #e7f0ff;
  --warn: #fff1b8;
  --danger: #b00020;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 24px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

h1 { margin: 0 0 4px; font-size: 28px; }
p { margin: 0; color: var(--muted); }

.actions, .toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

button, input, textarea {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  background: white;
}

button {
  cursor: pointer;
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

button:hover { filter: brightness(0.95); }
button:disabled { cursor: wait; opacity: 0.7; }

.badge {
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 8px;
  padding: 8px 10px;
  font-weight: 700;
}

.toolbar { padding: 16px 24px; }
.toolbar label { display: flex; gap: 8px; align-items: center; color: var(--muted); }
#saveStatus { color: var(--muted); margin-left: auto; }
#saveStatus.error { color: var(--danger); font-weight: 700; }

.card {
  margin: 0 24px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { border: 1px solid var(--line); text-align: center; }
th { background: #eef3fa; padding: 10px; font-size: 14px; }
td.room { background: #f8fafc; font-weight: bold; width: 70px; }
td.rota-cell {
  min-width: 90px;
  height: 44px;
  padding: 8px;
  outline: none;
  font-weight: 700;
}
td.rota-cell[contenteditable="true"]:focus {
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 2px var(--accent);
}
td.readonly { color: #26354d; }
td.match { background: var(--warn); }
td.duplicate { color: var(--danger); text-decoration: underline; }

.notes { padding: 18px; }
.notes h2 { margin-top: 0; }
.notes textarea { width: 100%; min-height: 95px; resize: vertical; }
.notes textarea[readonly] { color: var(--text); background: #f8fafc; }
footer { padding: 0 24px 24px; }

@media (max-width: 760px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  #saveStatus { margin-left: 0; }
  .card, .toolbar { margin-left: 12px; margin-right: 12px; padding-left: 0; padding-right: 0; }
}

@media print {
  body { background: white; }
  .actions, .toolbar, .notes, footer { display: none; }
  .topbar { border: 0; padding: 0 0 12px; }
  .card { margin: 0; box-shadow: none; border: 0; }
  table { min-width: 0; font-size: 11px; }
  td.rota-cell { height: 30px; padding: 4px; }
}