/* ========== 公告栏系统（支持主题切换）========== */

.announcement-container {
    position: sticky;
    top: var(--header-height);
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.announcement-bar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
}

.announcement-bar.type-warning {
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
    border-bottom-color: rgba(245, 158, 11, 0.3);
}

.announcement-bar.type-info {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    border-bottom-color: rgba(16, 185, 129, 0.3);
}

.announcement-bar.type-danger {
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    border-bottom-color: rgba(239, 68, 68, 0.3);
}

.announcement-bar.fixed {
    /* 固定不可关闭的公告栏 */
}

.announcement-bar.hidden {
    display: none;
}

.announcement-content {
    display: flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    min-height: 36px;
}

.announcement-icon {
    font-size: 1rem;
    margin-right: var(--space-2);
    flex-shrink: 0;
}

.announcement-text-wrapper {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.announcement-text {
    display: inline-block;
    white-space: nowrap;
    animation: scrollText linear infinite;
    padding-right: 100px;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.announcement-bar.type-warning .announcement-text {
    color: var(--accent);
}

.announcement-bar.type-info .announcement-text {
    color: var(--primary);
}

.announcement-bar.type-danger .announcement-text {
    color: #ef4444;
}

@keyframes scrollText {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

.announcement-close {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all 0.2s;
    z-index: 1;
}

.announcement-close:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.announcement-bar:not(.closable) .announcement-close {
    display: none;
}

/* 免责声明样式 */
.disclaimer-bar {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    margin: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.disclaimer-icon {
    color: #ef4444;
    font-size: 1rem;
}

.disclaimer-text {
    flex: 1;
}

.disclaimer-text strong {
    color: #ef4444;
}

/* 响应式 */
@media (max-width: 640px) {
    .announcement-text {
        font-size: 12px;
    }
    
    .announcement-content {
        padding: var(--space-2);
    }
}