:root {
    --calendar-bg: #fff;
    --calendar-border: #eee;
    --calendar-header: var(--primary);
    --calendar-day-hover: #f0f4f1;
    --calendar-selected: var(--primary);
    --calendar-disabled: #ccc;
}

.booking-container {
    max-width: 900px;
    margin: 120px auto;
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.booking-header {
    text-align: center;
    margin-bottom: 40px;
}

.booking-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

#calendar {
    width: 100%;
}

.time-slots {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
}

.time-slot {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.time-slot:hover {
    border-color: var(--primary);
    background: var(--calendar-day-hover);
}

.time-slot.selected {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.booking-form {
    display: none;
    margin-top: 40px;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

@media (max-width: 800px) {
    .booking-grid {
        grid-template-columns: 1fr;
    }
}

.time-slot.busy {
    background: #f8f8f8;
    color: #ccc;
    cursor: not-allowed;
    border-color: #eee;
    text-decoration: line-through;
}

.time-slot.busy:hover {
    background: #f8f8f8;
    border-color: #eee;
}

.loading-slots {
    grid-column: 1 / -1;
    text-align: center;
    padding: 20px;
    color: #666;
    font-style: italic;
}