.font-bree {
    font-family: "Bree Serif", serif;
}

.hide {
    display: none;
}

/* .active 全局样式已删除 - 由各组件单独定义
   - 导航菜单：nav-menu.css 中的 .nav-menu a.active
   - 标签过滤：.filter-* 按钮的 active 状态
*/

/* 标签过滤按钮激活状态 */
[class^="filter-"],
.filter-all {
    color: var(--text-tertiary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-2);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

[class^="filter-"].active,
.filter-all.active {
    background: var(--accent-muted);
    color: var(--accent-hover);
    border-color: rgba(94, 106, 210, 0.3);
}

[class^="filter-"].active:hover,
.filter-all.active:hover {
    color: var(--accent-hover);
    background: var(--accent-muted);
}


.div_header.logo {
    font-size: 20px;
    font-weight: 600;
    color: #4299e1;
}

.div_header.logo:hover {
    color: #4299e1;
}

/* 样式：使按钮固定在页面右下角 */
.scrollToButton {
    position: fixed;
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-1) var(--space-2);
    cursor: pointer;
    z-index: 9999;
    font-size: 14px;
    margin-bottom: 50px;
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
    transition: all var(--transition-fast);
    width: 36px;
    height: 36px;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-card);
}

.scrollToButton:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    box-shadow: var(--shadow-hover);
}


/* 自定义归属信息样式 */
.custom-footer {
    font-size: 12px;
    padding: 6px 0;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 9998;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: var(--bg-panel);
    color: var(--text-tertiary);
    border-top: 1px solid var(--border-subtle);
}

/* footer 渐进精简：保证始终单行 */
/* 小屏 (≤768px): 隐藏 IP (P4) */
@media (max-width: 768px) {
    .custom-footer .footer-ip {
        display: none;
    }
}

/* 手机 (≤480px): 隐藏访问量 (P3) */
@media (max-width: 480px) {
    .custom-footer .footer-visitor {
        display: none;
    }
}

/* 极小屏 (≤360px): 隐藏版本号 (P2)，只留版权+备案+GitHub */
@media (max-width: 360px) {
    .custom-footer .footer-ver-icon,
    .custom-footer .footer-version {
        display: none;
    }
    .custom-footer .footer-github-link .iconfont {
        font-size: 11px;
    }
}

.custom-footer a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.custom-footer a:hover {
    color: var(--text-primary);
}

.footer-github-link {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    transition: opacity var(--transition-fast);
}

.footer-github-link:hover {
    opacity: 0.85;
}

.footer-github-link .footer-ver-icon {
    opacity: 0.5;
    flex-shrink: 0;
}

.footer-github-link .iconfont {
    font-size: 12px;
}

.footer-github-link .footer-version {
    background: rgba(0, 0, 0, 0.05);
    padding: 0 4px;
    border-radius: 8px;
    font-size: 11px;
    margin-left: 1px;
    line-height: 16px;
    color: var(--text-tertiary);
}

/* 夜间模式卡片适配 */
body.mk-dark-mode .card-badge {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

body.mk-dark-mode .card-title {
    color: #fff !important;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

body.mk-dark-mode .card-desc {
    color: rgba(255,255,255,0.95) !important;
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

#box {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
}

/* ==================== Card Design System ==================== */
.card {
    flex: 0 0 calc(33.333% - var(--space-4) - 2.67px);
    text-decoration: none;
    display: block;
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-normal),
                box-shadow var(--transition-normal),
                border-color var(--transition-normal);
    position: relative;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-hover);
}

/* 卡片内层阴影光泽 */
.card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: var(--shadow-inset);
    pointer-events: none;
    z-index: 1;
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--bg-elevated);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.85;
    transition: opacity var(--transition-normal), transform var(--transition-slow);
}

.card:hover .card-img {
    opacity: 0.95;
    transform: scale(1.05);
}

/* fallback 背景层 — 由 JS renderWebsites 动态设置彩色渐变，此处不再用 CSS 覆盖 */

/* 文字覆盖层 */
.card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-4);
    z-index: 2;
    background: transparent;
    pointer-events: none;
}

.card-badge {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.9);
    color: var(--accent);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.card-title {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    line-height: 1.2;
    text-align: center;
    margin-bottom: var(--space-1);
}

.card-desc {
    font-size: 14px;
    font-weight: 400;
    color: rgba(255,255,255,0.95);
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
    letter-spacing: 0.3px;
    text-align: center;
}


/* 古诗词显示 */
#poem_container {
    text-align: center;
    margin-top: var(--space-6);
    padding: var(--space-5) var(--space-4);
}

#poem_sentence {
    font-size: 22px;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    letter-spacing: 1px;
    line-height: 1.6;
}

#poem_info {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* ==================== Card Responsive ==================== */
@media (max-width: 768px) {
    .card {
        flex: 0 0 calc(50% - var(--space-3) - 2px);
    }
    .card-image {
        height: 170px;
    }
}

@media (max-width: 480px) {
    .card {
        flex: 0 0 calc(100% - 0px);
    }
    .card-image {
        height: 180px;
    }
    .card-title {
        font-size: 20px;
    }
}

/* ==================== Content Area - Light Background ==================== */
/* 保持原有背景，卡片自带暗色背景 */
#content {
    color: var(--text-primary);
    background: var(--bg-base);
}

/* 卡片容器区域应用暗色背景 */
#box {
    background: transparent;
    padding: var(--space-6) var(--space-4);
    margin: var(--space-4) 0;
}

/* 夜间模式：顶部导航栏 + 内容区域 */
body.mk-dark-mode section#product > header {
    background: var(--bg-panel) !important;
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-subtle);
}

body.mk-dark-mode section#product > header .title-font,
body.mk-dark-mode section#product > header a {
    color: var(--text-primary) !important;
}

body.mk-dark-mode #content {
    background: var(--bg-base) !important;
}

body.mk-dark-mode #content .text-gray-700 {
    color: var(--text-secondary) !important;
}

body.mk-dark-mode .nav-menu a {
    color: var(--text-secondary) !important;
}

body.mk-dark-mode .nav-menu a:hover {
    color: var(--text-primary) !important;
}