/* 修复目录独立滚动问题 */
.md-sidebar--secondary .md-sidebar__scrollwrap {
    overflow-y: auto;
    max-height: calc(100vh - 2rem);
}

/* 确保目录容器正确定位 */
.md-sidebar--secondary {
    position: sticky;
    top: 1rem;
}

/* 阅读时间 & 进度显示 */
.reading-info {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
}

.reading-info-item {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    white-space: nowrap;
}

.reading-info-item .icon {
    font-size: 14px;
}

/* 深色模式适配 */
[data-md-color-scheme="slate"] .reading-info-item {
    background: rgba(30, 30, 30, 0.95);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.1);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .reading-info {
        bottom: 10px;
        right: 10px;
    }

    .reading-info-item {
        padding: 5px 12px;
        font-size: 12px;
    }
}