:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #06b6d4;
  --dark: #0f172a;
  --darker: #0b1020;
  --light: #f8fafc;
  --muted: #64748b;
  --muted-light: #94a3b8;
  --success: #10b981;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.08);
}

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--primary-dark);
}

.back-link i {
  margin-right: 8px;
}

/* Booking Container */
.booking-container {
  background: linear-gradient(180deg, #101317, #0b0d10);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  box-shadow: 0 0 25px rgba(76, 201, 240, 0.05);
  padding: 2.5rem;
  color: #fff;
}

.booking-header h1 {
  font-weight: 800;
  font-size: 1.8rem;
  /* background: linear-gradient(90deg, #4cc9f0, #7209b7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; */
  margin-bottom: 0.5rem;
}

.booking-header p {
  font-size: 0.9rem;
  color: #979b9e;
  margin-bottom: 1rem;
}

/* Calendar Widget */
.calendar-widget {
  margin-top: 1rem;
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.month-nav {
  background: transparent;
  border: none;
  color: var(--primary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s ease;
}

.month-nav:hover {
  color: var(--primary-dark);
}

.current-month {
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
}

/* Calendar Grid */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.day-header {
  text-align: center;
  font-weight: 600;
  color: #adb5bd;
  font-size: 0.9rem;
}

.day-cell {
  height: 50px;
  text-align: center;
  line-height: 50px;
  border-radius: 8px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.02);
  color: #dee2e6;
  transition: all 0.2s ease;
  cursor: pointer;
}

.day-cell.available:hover {
  background: rgba(114, 9, 183, 0.2);
  color: #fff;
}

.day-cell.selected {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  font-weight: 600;
}

.day-cell.disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Time Slots */
.time-slots {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 0.75rem;
}

.time-slot {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 0.6rem 0;
  text-align: center;
  cursor: pointer;
  font-weight: 500;
  color: #e9ecef;
  transition: all 0.2s ease;
}

.time-slot:hover {
  background: rgba(76, 201, 240, 0.2);
}

.time-slot.selected {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);  color: #fff;
}

/* Selected Info */
.selected-info {
  padding: 0.75rem 1.5rem;
  height: fit-content;
  border-radius: 10px;
  background: rgba(1, 227, 16, 0.1);
  font-size: 1rem;
  color: #e9ecef;
}

/* Booking Form */
.booking-form {
  margin-top: 2rem;
}

.form-label {
  font-weight: 500;
  color: #dee2e6;
  margin-bottom: 6px;
}

.form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #fff;
  padding: 0.6rem 0.8rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-dark);
  box-shadow: 0 0 0 2px rgba(76, 201, 240, 0.25);
  outline: none;
}

/* Submit Button */
.btn-book {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);  border: none;
  border-radius: 12px;
  color: #fff;
  padding: 0.7rem 1.5rem;
  font-weight: 600;
  font-size: 0.85rem;
  margin-top: 1.5rem;
  width: 100%;
  transition: all 0.25s ease;
}

.btn-book:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(114, 9, 183, 0.4);
}


/* Responsive */
@media (max-width: 768px) {
  .calendar-grid {
    gap: 5px;
  }

  .day-cell {
    height: 45px;
    line-height: 45px;
    font-size: 0.9rem;
  }

  .btn-book {
    font-size: 0.95rem;
  }

  .booking-container {
    padding: 1.5rem;
  }
}

/* Subtle fade-in animation */
.fade-in-up {
  opacity: 0;
  transform: translateY(10px);
  animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}