/* ---- Week navigation ---- */
.week-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.week-nav button {
  font-family: var(--font-label);
  font-size: 0.8rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 0.5rem 1.1rem;
  cursor: pointer;
  color: var(--ink);
}
.week-nav button:hover { border-color: var(--sage); }
.week-label {
  font-family: var(--font-display);
  font-size: 1.15rem;
}

/* ---- Week grid ---- */
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(220px, 1fr));
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
}
@media (max-width: 900px) {
  .week-grid { grid-template-columns: 1fr; overflow-x: visible; }
}

.day-column { min-width: 0; }
.day-heading {
  font-family: var(--font-label);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.5rem;
  margin-bottom: 0.8rem;
}
.day-heading .num { color: var(--ink); font-weight: 600; }
.day-empty {
  font-size: 0.85rem;
  color: var(--ink-soft);
  opacity: 0.7;
  padding: 0.5rem 0;
}

/* Specimen-label session card: the reservation page's signature element */
.session-label {
  position: relative;
  background: var(--white);
  border: 1px solid var(--sage);
  border-radius: 10px;
  padding: 0.9rem 0.9rem 0.8rem;
  margin-bottom: 0.9rem;
}
.session-label::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px dashed var(--line);
  border-radius: 7px;
  pointer-events: none;
}
.session-label .tag {
  font-family: var(--font-label);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sage);
}
.session-label h3 {
  font-size: 1.05rem;
  margin: 0.2rem 0 0.1rem;
}
.session-label .time {
  font-family: var(--font-label);
  font-size: 0.85rem;
  color: var(--ink);
}
.session-label .loc {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0.15rem 0 0.7rem;
}
.session-label .status {
  font-family: var(--font-label);
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 0.6rem;
}
.session-label .status.ok { background: #E4EBDB; color: var(--sage-deep); }
.session-label .status.low { background: #F3E6CE; color: #7A5B1E; }
.session-label .status.full { background: #EFE3E1; color: var(--rose); }
.session-label .book-btn {
  width: 100%;
  font-size: 0.85rem;
  padding: 0.55rem;
}

/* ---- Booking modal ---- */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(43, 42, 30, 0.5);
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 30;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--white);
  border-radius: 14px;
  padding: 1.9rem;
  max-width: 400px;
  width: 100%;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 0.8rem;
  right: 0.9rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--ink-soft);
  cursor: pointer;
  line-height: 1;
}
.modal-session {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
}
.modal-waitlist-note {
  background: #F3E6CE;
  color: #7A5B1E;
  font-size: 0.85rem;
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  margin-bottom: 1.2rem;
}
#booking-form label {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 0.9rem;
}
#booking-form .optional { color: var(--line); }
#booking-form input {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
}
#booking-form input:focus {
  outline: 2px solid var(--sage);
  outline-offset: 1px;
}
#booking-form .btn { width: 100%; padding: 0.75rem; text-align: center; }
.form-status { font-size: 0.85rem; margin: 0.8rem 0 0; min-height: 1.2em; }
.form-status.error { color: var(--rose); }
.form-status.success { color: var(--sage-deep); }