/* ==========================================
   BOOKING SYSTEM STYLES
   ========================================== */

/* Calendar Container */
.calendar-container {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    margin-bottom: 2rem;
}

/* Time Slots Grid */
.time-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

@media (max-width: 576px) {
    .time-slots-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
    }
}

/* Time Slot Buttons */
.time-slot-btn {
    padding: 15px 20px;
    border: 2px solid var(--accent-dark);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60px;
}

@media (max-width: 576px) {
    .time-slot-btn {
        padding: 12px 15px;
        font-size: 12px;
        min-height: 50px;
    }
}

/* Available Slot */
.time-slot-btn.available {
    background: #28a745;
    color: white;
    border-color: #28a745;
}

.time-slot-btn.available:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
    background: #218838;
}

/* Selected Slot */
.time-slot-btn.selected {
    background: #007bff;
    border-color: #007bff;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.4);
}

.time-slot-btn.selected::after {
    content: "✓";
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 18px;
    font-weight: bold;
}

/* Booked Slot */
.time-slot-btn.booked {
    background: #6c757d;
    color: #ccc;
    cursor: not-allowed;
    text-decoration: line-through;
    opacity: 0.6;
}

.time-slot-btn.booked .fas.fa-times {
    color: #dc3545;
    margin-left: 5px;
}

/* Loading State */
.loading-spinner {
    text-align: center;
    padding: 2rem;
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary);
}

/* Flatpickr Custom Styles */
.flatpickr-calendar {
    background: var(--card-bg) !important;
    border: 1px solid var(--bg-secondary) !important;
    box-shadow: 0 4px 12px var(--shadow) !important;
}

.flatpickr-day {
    color: var(--text-primary) !important;
}

.flatpickr-day.selected {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}

.flatpickr-day:hover:not(.disabled) {
    background: var(--bg-secondary) !important;
}

.flatpickr-day.disabled {
    color: #ccc !important;
}

.flatpickr-months {
    background: var(--bg-secondary) !important;
}

.flatpickr-current-month {
    color: var(--text-primary) !important;
}

.flatpickr-weekday {
    color: var(--text-secondary) !important;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .calendar-container {
        padding: 1.5rem;
    }

    .flatpickr-calendar {
        width: 100% !important;
    }
}

/* Selected Date Display */
#selectedDateDisplay {
    font-weight: 600;
    color: var(--primary);
}

/* Continue Button */
#continueBtn {
    font-size: 1.1rem;
    padding: 0.75rem 2rem;
}

#continueBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}