/* 공지사항 모달 */
#announcementsModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

#announcementsModal > div {
    background: var(--bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

#announcementModalHeader {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

#announcementModalHeader > div {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

#announcementBackButton {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background 0.2s;
    flex-shrink: 0;
}

#announcementBackButton:hover {
    background: rgba(255, 255, 255, 0.1);
}

#announcementModalTitle {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    flex: 1;
}

#announcementModalHeader > button {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background 0.2s;
    flex-shrink: 0;
}

#announcementModalHeader > button:hover {
    background: rgba(255, 255, 255, 0.1);
}

#announcementsListView {
    display: block;
}

#announcementsList {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.announcement-item {
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.announcement-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(59, 130, 246, 0.3);
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.announcement-title {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    flex: 1;
}

.announcement-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.announcement-preview {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.announcement-empty,
.announcement-loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

#announcementDetailView {
    display: none;
}

.announcement-article {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
}

.announcement-article-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.announcement-article-title {
    margin: 0 0 0.75rem 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.announcement-article-date {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.announcement-article-content {
    color: var(--text-primary);
    line-height: 1.8;
    white-space: pre-line;
    word-wrap: break-word;
    text-align: left;
}