.custom-calendar {
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 15px;
    margin-top: 10px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
}

.calendar-grid .day-name {
    font-weight: 600;
    text-align: center;
    font-size: 0.9em;
    color: #888;
    padding-bottom: 10px;
}

.calendar-grid .day {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.calendar-grid .day:not(.empty):hover {
    background-color: #f0f0f0;
}

.calendar-grid .day.selected {
    background-color: #0073e6;
    color: #fff;
}

.calendar-grid .day.locked {
    color: #ccc;
    cursor: not-allowed;
    text-decoration: line-through;
}

.calendar-grid .day.disabled {
    color: #ccc;
    cursor: not-allowed;
}

.calendar-grid .day.empty {
    cursor: default;
}