/* Calendar CSS - 簡易版 */
.calendar-popup {
    position: absolute;
    background: white;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.calendar-header {
    text-align: center;
    margin-bottom: 10px;
    font-weight: bold;
}

.calendar-nav {
    display: inline-block;
    cursor: pointer;
    padding: 2px 6px;
    background: #f0f0f0;
    border-radius: 2px;
}

.calendar-nav:hover {
    background: #e0e0e0;
}

.calendar-table {
    border-collapse: collapse;
}

.calendar-table td {
    width: 25px;
    height: 25px;
    text-align: center;
    cursor: pointer;
    border: 1px solid #eee;
    font-size: 11px;
}

.calendar-table td:hover {
    background: #e6f3ff;
}

.calendar-table td.selected {
    background: #007bff;
    color: white;
}

.calendar-table td.other-month {
    color: #ccc;
}

.calendar-input {
    position: relative;
}

.calendar-trigger {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #666;
}