.reservation {
  padding-top: 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.reservation h2 {
  margin-bottom: 3rem;
}

.reservation form {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  align-items: end;
}

form .input {
  display: flex;
  flex-direction: column;
}
form .input label {
  padding-left: 3px;
}

form .input select {
  min-width: 10rem;
  max-width: 20rem;
  padding: 10px 12px;
  background-color: #f1f1f1;
  border-radius: 2px;
  /* box-shadow: 0 1px 3px rgba(50, 50, 93, 0.15), 0 1px 0 rgba(0, 0, 0, 0.02); */
  border: 2px solid lightgray;
  appearance: none;
  position: relative;
}

form button {
  height: 38px;
  width: 4rem;
  border: 2px solid var(--primary-color);
  background-color: var(--primary-color);
  border-radius: 2px;
  cursor: pointer;
  color: var(--background-color);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

form button:hover {
  background-color: var(--primary-saturate-color);
  transform: scale(1.05);
}

.calendar {
  max-width: 80dvw;
  margin: 2em auto;
  width: -webkit-fill-available;
  /* padding-top: 6rem; */
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1em;
}

.calendar-day {
  background: white;
  /* border-radius: 8px; */
  padding: 0.5em 1em;
  min-height: 120px;
  box-shadow: 0 2px 8px #0001;
  display: flex;
  flex-direction: column;
  transition: filter 0.3s ease;
}

.calendar-day.past {
  filter: brightness(0.7);
  user-select: none;
  pointer-events: none;
  display: none;
}

.calendar-date {
  font-weight: bold;
  margin-bottom: 0.5em;
  color: #333;
}

.calendar-slot {
  background: var(--primary-color);
  margin-bottom: 0.3em;
  padding: 0.3em 0.5em;
  color: var(--background-color);
  /* border-radius: 4px; */
  font-size: 0.95em;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease;
}

.calendar-slot:not(.booked):hover {
  background: var(--primary-saturate-color);
  transform: scale(1.05);
}

.calendar-slot.booked {
  background: #ffcdd2;
  color: #b71c1c;
  text-decoration: line-through;
} 

@media (max-width: 768px) {
  .reservation h2 {
    padding: 0 1rem;
    text-align: center;
  }
}