.calendar-modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.calendar-modal-content {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.calendar-modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.calendar-modal-close:hover {
    color: var(--text);
}

.calendar-modal h2 {
    margin-bottom: 25px;
    color: var(--text);
    font-size: 24px;
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.time-slot-btn {
    background-color: var(--bg-light);
    border: 1px solid var(--border);
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    color: var(--text);
    text-align: center;
}

.time-slot-btn:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.1);
}

@media (max-width: 768px) {
    .calendar-modal-content {
        width: 95%;
        padding: 20px;
    }
    
    .time-slots {
        grid-template-columns: 1fr;
    }
}