:root {
  color-scheme: light dark;
  --bg: #f7f7f8;
  --card-bg: #ffffff;
  --border: #ddd;
  --text: #1a1a1a;
  --muted: #888;
  --general: #2563eb;
  --juaneda: #059669;
  --extra: #eab308;
  --off-bg: #fff;
  --off-border: #ccc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --card-bg: #1e1e1e;
    --border: #333;
    --text: #eee;
    --muted: #999;
    --off-bg: #1e1e1e;
    --off-border: #444;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: 12px 16px 32px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  margin-top: -12px;
  padding-top: 12px;
  padding-bottom: 8px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.topbar h1 {
  font-size: 1.3rem;
  margin: 0;
}

.controls select {
  font-size: 1rem;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  max-width: 100%;
}

.hours-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.hours-chip {
  font-size: 0.85rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
}

.hours-chip.juaneda {
  border-color: var(--juaneda);
  color: var(--juaneda);
}

.hours-chip.general {
  border-color: var(--general);
  color: var(--general);
}

.hours-chip.total {
  font-weight: 600;
}

.status {
  padding: 8px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
  background: #fee2e2;
  color: #991b1b;
  font-size: 0.9rem;
}

.weekday-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 6px;
  font-weight: 600;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.day-cell {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.day-cell.empty {
  background: transparent;
  border: none;
}

.day-cell.today {
  border-color: var(--general);
  border-width: 2px;
  box-shadow: 0 0 0 1px var(--general);
}

.day-cell.today .day-number {
  color: var(--general);
}

.day-number {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.shift-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hospital-label {
  font-size: 0.6rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shift-row {
  display: flex;
  align-items: center;
  gap: 3px;
}

.shift-btn {
  flex: 1;
  min-width: 0;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 0;
  border-radius: 4px;
  border: 1px solid var(--off-border);
  background: var(--off-bg);
  color: var(--muted);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.shift-btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

.shift-btn.on.general {
  background: var(--general);
  border-color: var(--general);
  color: #fff;
}

.shift-btn.on.juaneda {
  background: var(--juaneda);
  border-color: var(--juaneda);
  color: #fff;
}

.shift-btn.on.extra {
  background: var(--extra);
  border-color: var(--extra);
  color: #1a1a1a;
}

.password-modal {
  position: fixed;
  inset: 0;
  background: var(--bg);
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}

.password-modal:not([hidden]) {
  display: flex;
}

.password-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 300px;
}

.password-form label {
  font-size: 0.9rem;
  color: var(--text);
}

.password-form input {
  font-size: 1rem;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--off-bg);
  color: var(--text);
}

.password-form button {
  font-size: 1rem;
  padding: 8px;
  border-radius: 6px;
  border: none;
  background: var(--general);
  color: #fff;
  cursor: pointer;
}

@media (max-width: 480px) {
  .day-cell { min-height: 84px; padding: 4px; }
  .shift-btn { font-size: 0.6rem; padding: 4px 0; }
  .hospital-label { font-size: 0.5rem; }
}