/* ==========================================================================
   Kalendar dostupnosti — availability calendar
   ========================================================================== */

.cal-shell {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: var(--sp-lg);
}

.cal-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: var(--sp-lg);
  border-bottom: 1px solid var(--border-faint);
  padding-bottom: var(--sp-md);
}

.cal-tab {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 1.1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.cal-tab:hover { border-color: var(--accent-amber); color: var(--text-primary); }
.cal-tab.active {
  background: var(--accent-amber);
  border-color: var(--accent-amber);
  color: #17130a;
  font-weight: 600;
}

.cal-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-lg);
  flex-wrap: wrap;
  gap: var(--sp-md);
}

.cal-nav { display: flex; align-items: center; gap: var(--sp-md); }

.cal-nav-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.cal-nav-btn:hover { border-color: var(--accent-amber); color: var(--accent-amber); }
.cal-nav-btn svg { width: 16px; height: 16px; }

.cal-month-label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  min-width: 220px;
  text-align: center;
}

.cal-legend {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
}
.cal-legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.cal-legend-swatch { width: 10px; height: 10px; }
.cal-legend-swatch.free { background: var(--status-free); }
.cal-legend-swatch.booked { background: var(--status-booked); }
.cal-legend-swatch.today { border: 1.5px solid var(--accent-steel); background: transparent; }

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-weekday {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-align: center;
  padding-bottom: var(--sp-sm);
}

.cal-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-faint);
  position: relative;
  transition: var(--transition-smooth);
}

.cal-day.empty { background: transparent; border-color: transparent; }

.cal-day.free { color: var(--text-primary); cursor: default; }
.cal-day.free:hover { border-color: var(--status-free); }
.cal-day.free::after {
  content: '';
  width: 5px; height: 5px;
  background: var(--status-free);
}

.cal-day.booked {
  color: var(--text-faint);
  background: rgba(139, 74, 61, 0.12);
}
.cal-day.booked::after {
  content: '';
  width: 5px; height: 5px;
  background: var(--status-booked);
}

.cal-day.past { opacity: 0.32; }

.cal-day.today { border: 1.5px solid var(--accent-steel); }

.cal-footnote {
  margin-top: var(--sp-lg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  border-left: 2px solid var(--accent-steel-dim);
  padding-left: var(--sp-sm);
  max-width: 60ch;
}

@media (max-width: 640px) {
  .cal-day { font-size: 0.72rem; }
  .cal-month-label { font-size: 1.15rem; min-width: auto; }
  .cal-legend { font-size: 0.62rem; }
}