.calendar {
  display: grid;
  gap: 0.4rem;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  background: var(--card);
  padding: 1.5rem;
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
}

.calendar .day-name {
  text-transform: uppercase;
  font-size: 0.7rem;
  text-align: center;
  color: var(--muted);
}

.calendar .day {
  border: none;
  background: transparent;
  height: 3.2rem;
  border-radius: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text);
}

.calendar .day.booked {
  background: rgba(231, 76, 60, 0.2);
  color: #a01616;
}

.calendar .day.today {
  border: 2px solid var(--accent);
}

.calendar .day:hover,
.calendar .day:focus-visible {
  box-shadow: inset 0 0 0 2px rgba(26, 153, 136, 0.4);
}

.calendar-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.calendar-controls button {
  border: none;
  background: var(--card);
  border-radius: 999px;
  width: 3rem;
  height: 3rem;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.calendar-legend {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 1rem;
}

.swatch {
  display: inline-block;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 0.3rem;
  background: rgba(26, 153, 136, 0.3);
  margin-right: 0.3rem;
}

.swatch.booked {
  background: rgba(231, 76, 60, 0.5);
}

.swatch.today {
  border: 2px solid var(--accent);
  background: transparent;
}