/* ==================== 公告中心（用户端铃铛 + 通知面板 + 详情弹窗） ==================== */

/* 铃铛按钮 */
.ann-bell-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid #e2e8f0;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    color: #475569;
    transition: border-color 0.2s, color 0.2s;
    flex-shrink: 0;
}
.ann-bell-btn:hover {
    border-color: #3b82f6;
    color: #3b82f6;
}
.ann-bell-btn svg {
    width: 18px;
    height: 18px;
}

/* 未读徽标 */
.ann-bell-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 17px;
    height: 17px;
    padding: 0 4px;
    border-radius: 9px;
    background: #ef4444;
    color: #fff;
    font-size: 11px;
    line-height: 17px;
    text-align: center;
    font-weight: 600;
}

/* 通知面板（铃铛下方弹出） */
.ann-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 380px;
    max-height: 480px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
    z-index: 1200;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.ann-panel-anchor {
    position: relative;
    display: flex;
    align-items: center;
}
.ann-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #f1f5f9;
}
.ann-panel-header h4 {
    margin: 0;
    font-size: 15px;
    color: #0f172a;
}
.ann-mark-all {
    border: none;
    background: none;
    color: #3b82f6;
    font-size: 12px;
    cursor: pointer;
    padding: 2px 4px;
}
.ann-mark-all:hover {
    text-decoration: underline;
}
.ann-mark-all:disabled {
    color: #cbd5e1;
    cursor: not-allowed;
    text-decoration: none;
}

.ann-panel-body {
    overflow-y: auto;
    flex: 1;
}

/* 分区标题 */
.ann-section-title {
    font-size: 12px;
    color: #94a3b8;
    padding: 10px 16px 4px;
    margin: 0;
}

/* 列表项 */
.ann-item {
    display: flex;
    gap: 10px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.15s;
    border-left: 3px solid transparent;
}
.ann-item:hover {
    background: #f8fafc;
}
.ann-item.unread {
    background: #eff6ff;
    border-left-color: #3b82f6;
}
.ann-item-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e1;
    margin-top: 6px;
    flex-shrink: 0;
}
.ann-item.unread .ann-item-dot {
    background: #3b82f6;
}
.ann-item-main {
    flex: 1;
    min-width: 0;
}
.ann-item-title-row {
    display: flex;
    align-items: center;
    gap: 6px;
}
.ann-item-title {
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ann-item-summary {
    font-size: 12px;
    color: #64748b;
    margin-top: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ann-item-time {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 3px;
}
.ann-item-thumb {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}

/* 级别徽标（面板/详情共用） */
.ann-level-tag {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 9px;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}
.ann-level-tag.level-info {
    background: #eff6ff;
    color: #1d4ed8;
}
.ann-level-tag.level-success {
    background: #ecfdf5;
    color: #047857;
}
.ann-level-tag.level-warning {
    background: #fffbeb;
    color: #b45309;
}
.ann-level-tag.level-error {
    background: #fef2f2;
    color: #b91c1c;
}

/* 空态/加载态 */
.ann-empty,
.ann-loading {
    padding: 36px 16px;
    text-align: center;
    color: #94a3b8;
    font-size: 13px;
}

/* 详情弹窗（复用 index 页 .modal-overlay 体系，独立类名避免冲突） */
.ann-detail-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.ann-detail-modal {
    background: #fff;
    border-radius: 14px;
    width: 100%;
    max-width: 640px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.25);
}
.ann-detail-header {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 18px 22px 12px;
}
.ann-detail-title {
    flex: 1;
    margin: 0;
    font-size: 18px;
    color: #0f172a;
    line-height: 1.4;
}
.ann-detail-close {
    border: none;
    background: none;
    font-size: 24px;
    color: #94a3b8;
    cursor: pointer;
    line-height: 1;
    padding: 0 2px;
}
.ann-detail-close:hover {
    color: #475569;
}
.ann-detail-body {
    padding: 0 22px 20px;
    overflow-y: auto;
}
.ann-detail-meta {
    font-size: 12px;
    color: #94a3b8;
    margin-bottom: 12px;
}
.ann-detail-content {
    font-size: 14px;
    color: #334155;
    line-height: 1.8;
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0 0 16px;
}
.ann-detail-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}
.ann-detail-images img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 8px;
    cursor: zoom-in;
    border: 1px solid #f1f5f9;
}
.ann-detail-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 8px;
    background: #3b82f6;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}
.ann-detail-link:hover {
    background: #2563eb;
}

/* 图片放大遮罩 */
.ann-image-zoom-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1600;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
}
.ann-image-zoom-overlay img {
    max-width: 92vw;
    max-height: 92vh;
    object-fit: contain;
    border-radius: 6px;
}

/* 窄屏适配：面板改为固定居中 */
@media (max-width: 640px) {
    .ann-panel {
        position: fixed;
        top: 70px;
        left: 12px;
        right: 12px;
        width: auto;
    }
}