/* ========================================
 * 分类页 / 归档页 样式
 * 纵向卡片布局，与项目浅色风格一致
 * ======================================== */


/* ====== 页面容器 ====== */

.loopes-category-page {
    min-height: 60vh;
}


/* ====== Hero ====== */

.loopes-category-hero {
    position: relative;
    padding: 80px 0 56px;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, #F0F4FF 0%, #E8F0FE 40%, #EDE9FE 100%);
}

.loopes-category-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.loopes-category-hero__bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(26, 115, 232, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.04) 0%, transparent 50%);
}

.loopes-category-hero__content {
    position: relative;
    z-index: 1;
}

.loopes-category-hero__title {
    font-size: 40px;
    font-weight: 800;
    color: #111827;
    margin: 0 0 10px;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.loopes-category-hero__meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--loopes-text-light);
}

.loopes-category-hero__meta i {
    font-size: 14px;
    color: var(--loopes-primary);
    opacity: 0.6;
}

/* Hero 内的面包屑 */
.loopes-category-hero .loopes-breadcrumb--light {
    justify-content: center;
    padding-bottom: 16px;
}

.loopes-category-hero .loopes-breadcrumb--light .loopes-breadcrumb__item a {
    color: var(--loopes-text-light);
}

.loopes-category-hero .loopes-breadcrumb--light .loopes-breadcrumb__item a:hover {
    color: var(--loopes-primary-deeper, #0D47A1);
}

.loopes-category-hero .loopes-breadcrumb--light .loopes-breadcrumb__sep {
    color: var(--loopes-text-secondary);
}

.loopes-category-hero .loopes-breadcrumb--light .loopes-breadcrumb__item--current {
    color: var(--loopes-primary, #1A73E8);
    font-weight: 600;
}

@media (max-width: 768px) {
    .loopes-category-hero {
        padding: 60px 0 44px;
    }

    .loopes-category-hero__title {
        font-size: 28px;
    }

    .loopes-category-hero .loopes-breadcrumb--light {
        padding-bottom: 12px;
    }
}

.loopes-category-toolbar {
    background: var(--loopes-bg, #fff);
    border-bottom: 1px solid var(--loopes-border, #E2E8F0);
    position: sticky;
    top: 76px;
    z-index: 50;
}

.loopes-category-toolbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 60px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.loopes-category-toolbar__inner::-webkit-scrollbar {
    display: none;
}

.loopes-category-toolbar__tabs {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
}

.loopes-category-toolbar__tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--loopes-text-secondary, #475569);
    border-radius: 8px;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all 0.25s ease;
}

.loopes-category-toolbar__tab:hover {
    color: var(--loopes-primary, #1A73E8);
    background: var(--loopes-primary-light, #E8F0FE);
    text-decoration: none;
}

.loopes-category-toolbar__tab.is-active {
    color: #fff;
    background: var(--loopes-primary, #1A73E8);
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.25);
}

.loopes-category-toolbar__tab.is-active-parent {
    color: var(--loopes-primary, #1A73E8);
    background: var(--loopes-primary-light, #E8F0FE);
}

.loopes-category-toolbar__count {
    font-size: 12px;
    opacity: 0.65;
}

.loopes-category-toolbar__tab.is-active .loopes-category-toolbar__count {
    opacity: 0.85;
}

/* 搜索框 - 参照新闻页面搜索风格 */
.loopes-category-toolbar__search {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    background: var(--loopes-bg-secondary, #F8FAFC);
    border: 1px solid var(--loopes-border, #E2E8F0);
    border-radius: 8px;
    transition: all 0.25s ease;
}

.loopes-category-toolbar__search:focus-within {
    border-color: var(--loopes-primary, #1A73E8);
    background: var(--loopes-bg, #fff);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.08);
}

/* ====== 主内容区 ====== */

.loopes-category-main {
    padding: 40px 0 60px;
    background: var(--loopes-bg-secondary, #F8FAFC);
}

.loopes-category-main .container {
    max-width: 1160px;
    padding-left: 15px;
    padding-right: 15px;
    margin: 0 auto;
    box-sizing: border-box;
}

.loopes-category-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 32px;
    align-items: start;
}

.loopes-category-content {
    min-width: 0;
}


/* ====== 文章列表（卡片网格） ====== */

.loopes-category-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}


/* ====== 文章卡片（纵向） ====== */

.loopes-category-post {
    background: var(--loopes-bg, #fff);
    border-radius: 14px;
    border: 1px solid var(--loopes-border, #E2E8F0);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: loopesCatFadeIn 0.5s ease-out both;
}

.loopes-category-post:hover {
    transform: translateY(-6px);
    box-shadow:
        0 20px 40px -12px rgba(26, 115, 232, 0.12),
        0 8px 24px -8px rgba(0, 0, 0, 0.06);
    border-color: rgba(26, 115, 232, 0.15);
}

.loopes-category-post__image-wrap {
    display: block;
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--loopes-bg-secondary, #F8FAFC);
    text-decoration: none;
}

.loopes-category-post__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.loopes-category-post:hover .loopes-category-post__image {
    transform: scale(1.06);
}

.loopes-category-post__image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: var(--loopes-text-light, #94A3B8);
    background: var(--loopes-bg-secondary, #F8FAFC);
}

.loopes-category-post__date-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    border-radius: 8px;
    line-height: 1.2;
    min-width: 48px;
}

.loopes-category-post__date-day {
    font-size: 18px;
    font-weight: 800;
    color: var(--loopes-primary, #1A73E8);
}

.loopes-category-post__date-month {
    font-size: 11px;
    font-weight: 600;
    color: var(--loopes-text-secondary, #64748B);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.loopes-category-post__cat-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    padding: 4px 12px;
    border-radius: 6px;
    background: var(--loopes-primary, #1A73E8);
    line-height: 1.4;
    text-decoration: none;
}

.loopes-category-post__body {
    padding: 22px 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.loopes-category-post__meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--loopes-text-tertiary, #94A3B8);
    margin-bottom: 8px;
}

.loopes-category-post__meta i {
    margin-right: 4px;
}

.loopes-category-post__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--loopes-text, #1E293B);
    margin: 0 0 10px;
    line-height: 1.45;
}

.loopes-category-post__title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}

.loopes-category-post__title a:hover {
    color: var(--loopes-primary, #1A73E8);
}

.loopes-category-post__excerpt {
    font-size: 14px;
    color: var(--loopes-text-secondary, #475569);
    line-height: 1.7;
    margin: 0 0 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.loopes-category-post__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--loopes-border-light, #F1F5F9);
}

.loopes-category-post__views {
    font-size: 13px;
    color: var(--loopes-text-tertiary, #94A3B8);
}

.loopes-category-post__views i {
    margin-right: 4px;
}

.loopes-category-post__more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--loopes-primary, #1A73E8);
    text-decoration: none;
    transition: gap 0.25s ease;
}

.loopes-category-post__more i {
    font-size: 12px;
    transition: transform 0.25s ease;
}

.loopes-category-post:hover .loopes-category-post__more {
    gap: 8px;
}

.loopes-category-post:hover .loopes-category-post__more i {
    transform: translateX(3px);
}


/* ====== 分页 ====== */

.loopes-category-pagination {
    display: flex;
    justify-content: center;
    padding-top: 48px;
    grid-column: 1 / -1;
}

.loopes-category-pagination ul {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.loopes-category-pagination li {
    margin: 0;
}

.loopes-category-pagination a,
.loopes-category-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--loopes-text-secondary, #475569);
    background: var(--loopes-bg, #fff);
    border: 1px solid var(--loopes-border, #E2E8F0);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.25s ease;
}

.loopes-category-pagination a:hover {
    color: var(--loopes-primary, #1A73E8);
    border-color: var(--loopes-primary, #1A73E8);
    background: var(--loopes-primary-light, #E8F0FE);
}

.loopes-category-pagination .current {
    color: #fff;
    background: var(--loopes-primary, #1A73E8);
    border-color: var(--loopes-primary, #1A73E8);
}

.loopes-category-pagination .prev,
.loopes-category-pagination .next {
    padding: 0 14px;
}


/* ====== 空状态 ====== */

.loopes-category-empty {
    text-align: center;
    padding: 100px 20px;
    grid-column: 1 / -1;
}

.loopes-category-empty__icon {
    font-size: 56px;
    color: var(--loopes-text-tertiary, #CBD5E1);
    margin-bottom: 20px;
}

.loopes-category-empty h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--loopes-text, #1E293B);
    margin: 0 0 10px;
}

.loopes-category-empty p {
    font-size: 15px;
    color: var(--loopes-text-tertiary, #94A3B8);
    margin: 0 0 24px;
}


/* ====== 侧栏 ====== */

.loopes-category-sidebar {
    position: sticky;
    top: 136px;
}

.loopes-sidebar-widget {
    background: var(--loopes-bg, #fff);
    border-radius: 14px;
    border: 1px solid var(--loopes-border, #E2E8F0);
    padding: 20px;
    margin-bottom: 20px;
}

.loopes-sidebar-widget__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--loopes-text, #1E293B);
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--loopes-border, #E2E8F0);
    display: flex;
    align-items: center;
    gap: 8px;
}

.loopes-sidebar-widget__title i {
    color: var(--loopes-primary, #1A73E8);
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.loopes-sidebar-widget__empty {
    color: var(--loopes-text-tertiary, #94A3B8);
    font-size: 13px;
    margin: 0;
}


/* ====== 侧栏树形分类 ====== */

.loopes-sidebar-cat-tree {
    list-style: none;
    padding: 0;
    margin: 0;
}

.loopes-sidebar-cat-tree__item {
    margin: 0;
    border-bottom: 1px solid var(--loopes-border-light, #F1F5F9);
}

.loopes-sidebar-cat-tree__item:last-child {
    border-bottom: none;
}

.loopes-sidebar-cat-tree__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 0;
    text-decoration: none;
    color: var(--loopes-text-secondary, #475569);
    font-size: 14px;
    transition: color 0.2s ease;
}

.loopes-sidebar-cat-tree__link:hover,
.loopes-sidebar-cat-tree__link.is-active {
    color: var(--loopes-primary, #1A73E8);
}

.loopes-sidebar-cat-tree__link.is-active {
    font-weight: 600;
}

.loopes-sidebar-cat-tree__folder-icon,
.loopes-sidebar-cat-tree__file-icon {
    font-size: 13px;
    color: var(--loopes-text-tertiary, #CBD5E1);
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

.is-active-path > .loopes-sidebar-cat-tree__link .loopes-sidebar-cat-tree__folder-icon {
    color: var(--loopes-primary, #1A73E8);
}

.loopes-sidebar-cat-tree__link.is-active .loopes-sidebar-cat-tree__file-icon {
    color: var(--loopes-primary, #1A73E8);
}

.loopes-sidebar-cat-tree__name {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.loopes-sidebar-cat-tree__count {
    font-size: 12px;
    color: var(--loopes-text-tertiary, #94A3B8);
    background: var(--loopes-bg-secondary, #F8FAFC);
    padding: 1px 8px;
    border-radius: 10px;
    flex-shrink: 0;
}

.loopes-sidebar-cat-tree__link.is-active .loopes-sidebar-cat-tree__count {
    background: var(--loopes-primary-light, #E8F0FE);
    color: var(--loopes-primary, #1A73E8);
}


/* ====== 响应式 ====== */

.loopes-sidebar-hot-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--loopes-border-light, #F1F5F9);
    transition: all 0.25s ease;
}

.loopes-sidebar-hot-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.loopes-sidebar-hot-item:hover {
    text-decoration: none;
    color: inherit;
}

.loopes-sidebar-hot-item:hover .loopes-sidebar-hot-item__title {
    color: var(--loopes-primary, #1A73E8);
}

.loopes-sidebar-hot-item__rank {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    background: var(--loopes-bg-secondary, #F8FAFC);
    color: var(--loopes-text-tertiary, #94A3B8);
    margin-top: 1px;
    transition: all 0.25s ease;
}

.loopes-sidebar-hot-item__rank.is-top {
    background: linear-gradient(135deg, var(--loopes-primary, #1A73E8), #1557B0);
    color: #fff;
    box-shadow: 0 2px 6px rgba(26, 115, 232, 0.25);
}

.loopes-sidebar-hot-item:hover .loopes-sidebar-hot-item__rank.is-top {
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.35);
    transform: scale(1.05);
}

.loopes-sidebar-hot-item__info {
    flex: 1;
    min-width: 0;
}

.loopes-sidebar-hot-item__title {
    font-size: 14px;
    font-weight: 500;
    color: var(--loopes-text, #1E293B);
    margin: 0 0 6px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}

.loopes-sidebar-hot-item__meta {
    font-size: 12px;
    color: var(--loopes-text-tertiary, #94A3B8);
    display: flex;
    align-items: center;
    gap: 4px;
}

.loopes-sidebar-hot-item__meta i {
    margin-right: 2px;
    font-size: 11px;
}


/* ====== 侧栏标签云 ====== */

.loopes-sidebar-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.loopes-sidebar-tag-cloud__item {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    color: var(--loopes-text-secondary, #475569);
    background: var(--loopes-bg-secondary, #F8FAFC);
    border: 1px solid var(--loopes-border, #E2E8F0);
    border-radius: 14px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.loopes-sidebar-tag-cloud__item:hover {
    background: var(--loopes-primary, #1A73E8);
    border-color: var(--loopes-primary, #1A73E8);
    color: #fff;
    text-decoration: none;
}


/* ====== 入场动画 ====== */

@keyframes loopesCatFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ====== 响应式 ====== */

@media (max-width: 992px) {
    .loopes-category-layout {
        grid-template-columns: 1fr;
    }

    .loopes-category-sidebar {
        position: static;
    }

    .loopes-category-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .loopes-category-toolbar__inner {
        flex-direction: column;
        align-items: stretch;
        min-height: auto;
        padding: 12px 0;
    }

    .loopes-category-toolbar__search input {
        width: 100%;
        box-sizing: border-box;
    }

    .loopes-category-toolbar__search .fa {
        left: 16px;
    }
}

@media (max-width: 768px) {
    .loopes-category-main .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .loopes-category-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .loopes-category-post__body {
        padding: 18px 20px 20px;
    }

    .loopes-category-post__title {
        font-size: 16px;
    }

    .loopes-category-toolbar__tab {
        padding: 6px 12px;
        font-size: 13px;
    }

    .loopes-category-pagination {
        padding-top: 36px;
    }
}


/* ===== 暗色模式适配 ===== */
[data-theme="dark"] .loopes-category-hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 40%, #0B1121 100%);
}

[data-theme="dark"] .loopes-category-hero__bg::before {
    background:
        radial-gradient(ellipse at 20% 50%, rgba(26, 115, 232, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
}

[data-theme="dark"] .loopes-category-hero__title {
    color: #F1F5F9;
}

[data-theme="dark"] .loopes-category-toolbar {
    background: #1E293B;
    border-bottom-color: #334155;
}

[data-theme="dark"] .loopes-category-post {
    background: #1E293B;
}

[data-theme="dark"] .loopes-category-post__date-badge {
    background: rgba(15, 23, 42, 0.95);
}

[data-theme="dark"] .loopes-category-sidebar .loopes-sidebar-widget {
    background: #1E293B;
}

@media (max-width: 480px) {
    .loopes-category-hero {
        padding: 40px 0 32px;
    }

    .loopes-category-hero__title {
        font-size: 24px;
    }

    .loopes-category-hero .loopes-breadcrumb--light {
        padding-bottom: 8px;
        font-size: 12px;
    }
}