/**
 * 교재 아카이브 스타일
 */

/* 카드 내 드롭다운이 잘리지 않도록 overflow 해제 */
.archive.kaice-board-item.card.material-card {
    overflow: visible;
}

/* 드롭다운이 열린 카드를 다른 카드 위로 */
.archive.kaice-board-item.card.material-card:has(.material-classroom-dropdown.open) {
    z-index: 10;
}

/* 강의실 드롭다운 스타일 */

.material-classroom-dropdown {
    position: relative;
    display: inline-flex;
}

.material-classroom-toggle {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

.material-classroom-toggle .fa-chevron-down {
    transition: transform 0.2s ease;
}

.material-classroom-dropdown.open .material-classroom-toggle .fa-chevron-down {
    transform: rotate(180deg);
}

.material-classroom-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 100;
    min-width: 240px;
    max-width: 320px;
    margin-top: 4px;
    padding: 4px 0;
    background: #fff;
    border: 1px solid var(--theme-card-border);
    border-radius: var(--theme-card-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}

.material-classroom-dropdown.open .material-classroom-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.material-classroom-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 12px;
    text-decoration: none;
    transition: background 0.15s ease;
}

.material-classroom-item:hover {
    background: var(--theme-color-background);
}

.material-classroom-item + .material-classroom-item {
    border-top: 1px solid var(--theme-card-border);
}

.material-classroom-item-title {
    font-size: var(--theme-font-size-medium);
    color: var(--theme-text-color);
    font-weight: 500;
}

.material-classroom-item:hover .material-classroom-item-title {
    color: var(--theme-main-color);
}

.material-classroom-item-meta {
    font-size: 11px;
    color: var(--theme-hint-text-color);
    display: flex;
    align-items: center;
    gap: 4px;
}