/**
 * Nebula Theme - Components CSS
 * Design System Components using CSS Variables
 * Version: 2.0.5
 * Uses Nebula color palette: Sky Blue #0EA5E9, Dark Slate #0F172A, Amber #F59E0B
 */

/* ============================
   Announcement Bar
   ============================ */

.ds-announcement {
    padding: 10px 0;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    border-bottom: 1px solid transparent;
}

.ds-announcement--info {
    background: var(--nebula-primary-light, #E0F2FE);
    color: var(--nebula-primary-dark, #0284C7);
    border-color: var(--nebula-primary, #0EA5E9);
}

.ds-announcement--warning {
    background: var(--nebula-warning-light, #FEF3C7);
    color: var(--nebula-warning-dark, #D97706);
    border-color: var(--nebula-warning, #F59E0B);
}

.ds-announcement--error {
    background: var(--nebula-error-light, #FEE2E2);
    color: var(--nebula-error-dark, #DC2626);
    border-color: var(--nebula-error, #EF4444);
}

.ds-announcement--success {
    background: var(--nebula-success-light, #D1FAE5);
    color: var(--nebula-success-dark, #059669);
    border-color: var(--nebula-success, #10B981);
}

/* ============================
   Homepage Carousel
   ============================ */

.nebula-carousel {
    position: relative;
    margin-bottom: 32px;
    border-radius: var(--nebula-radius-xl, 16px);
    overflow: hidden;
    background: var(--nebula-bg-secondary, #F8FAFC);
    box-shadow: var(--nebula-shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
}

.nebula-carousel__track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nebula-carousel__slide {
    flex: 0 0 100%;
    display: block;
    position: relative;
    aspect-ratio: 21 / 9;
    overflow: hidden;
}

.nebula-carousel__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.nebula-carousel__slide:hover .nebula-carousel__img {
    transform: scale(1.03);
}

.nebula-carousel__dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.nebula-carousel__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
}

.nebula-carousel__dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.nebula-carousel__dot.is-active {
    background: var(--nebula-primary, #0EA5E9);
    transform: scale(1.3);
}

.nebula-carousel__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    color: var(--nebula-secondary, #0F172A);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--nebula-shadow-md, 0 4px 6px rgba(0, 0, 0, 0.1));
    transition: all 0.15s ease;
    z-index: 10;
}

.nebula-carousel__arrow:hover {
    background: var(--nebula-primary, #0EA5E9);
    color: #fff;
}

.nebula-carousel__arrow--prev {
    left: 16px;
}

.nebula-carousel__arrow--next {
    right: 16px;
}

/* 响应式 */
@media (max-width: 768px) {
    .nebula-carousel {
        border-radius: 0;
        margin: 0 -16px 24px;
    }

    .nebula-carousel__slide {
        aspect-ratio: 16 / 10;
    }

    .nebula-carousel__arrow {
        width: 36px;
        height: 36px;
    }
}

/* ============================
   Featured Area (deprecated, kept for compatibility)
   ============================ */

.ds-featured-area {
    margin-bottom: 32px;
}

.ds-featured-area__inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    align-items: stretch;
}

/* Carousel */
.ds-featured-carousel {
    position: relative;
    border-radius: var(--nebula-radius-xl, 16px);
    overflow: hidden;
    background: var(--nebula-bg-secondary, #F8FAFC);
    box-shadow: var(--nebula-shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
}

.ds-featured-carousel__track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.ds-featured-carousel__slide {
    flex: 0 0 100%;
    display: block;
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

/* Gradient overlay - bottom to top for text readability */
.ds-featured-carousel__slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        transparent 40%,
        rgba(0, 0, 0, 0.5) 100%
    );
    pointer-events: none;
}

.ds-featured-carousel__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.ds-featured-carousel__slide:hover .ds-featured-carousel__img {
    transform: scale(1.02);
}

/* Progress Bar Indicators */
.ds-featured-carousel__dots {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    z-index: 10;
    display: flex;
}

.ds-featured-carousel__dot {
    flex: 1;
    height: 100%;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: transparent;
    padding: 0;
}

.ds-featured-carousel__dot::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.4);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.ds-featured-carousel__dot:hover::before {
    background: rgba(255, 255, 255, 0.6);
    transform: scaleX(1);
}

.ds-featured-carousel__dot.is-active::before {
    background: #fff;
    transform: scaleX(1);
    transition: transform 4s linear;
}

/* Carousel Arrows - Inside Image */
.ds-featured-carousel__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    opacity: 0;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.ds-featured-carousel:hover .ds-featured-carousel__arrow {
    opacity: 1;
}

.ds-featured-carousel__arrow:hover {
    background: rgba(14, 165, 233, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.ds-featured-carousel__arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.ds-featured-carousel__arrow--prev {
    left: 16px;
}

.ds-featured-carousel__arrow--next {
    right: 16px;
}

/* Featured Link Cards */
.ds-featured-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ds-featured-link-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--card-bg, var(--nebula-primary-light, #E0F2FE));
    border-radius: var(--nebula-radius-xl, 16px);
    text-decoration: none;
    transition: all var(--nebula-duration-normal, 0.2s) var(--nebula-ease-out);
    flex: 1;
    position: relative;
    overflow: hidden;
}

.ds-featured-link-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--nebula-shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
}

.ds-featured-link-card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--nebula-radius-lg, 12px);
    background: var(--card-icon, var(--nebula-primary, #0EA5E9));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform var(--nebula-duration-normal, 0.2s) var(--nebula-ease-out);
}

.ds-featured-link-card:hover .ds-featured-link-card__icon {
    transform: scale(1.1) rotate(-5deg);
}

.ds-featured-link-card__body {
    flex: 1;
    min-width: 0;
}

.ds-featured-link-card__title {
    font-size: var(--nebula-text-lg, 1.125rem);
    font-weight: var(--nebula-font-semibold, 600);
    color: var(--nebula-secondary, #0F172A);
    margin: 0 0 4px 0;
    line-height: 1.3;
}

.ds-featured-link-card__desc {
    font-size: var(--nebula-text-sm, 0.875rem);
    color: var(--nebula-text-secondary, #64748B);
    margin: 0;
    line-height: 1.4;
}

.ds-featured-link-card__arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--card-icon, var(--nebula-primary, #0EA5E9));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--nebula-duration-normal, 0.2s) var(--nebula-ease-out);
}

.ds-featured-link-card:hover .ds-featured-link-card__arrow {
    transform: translateX(4px);
}

/* ============================
   Popular Articles
   ============================ */

.ds-popular-articles {
    margin-bottom: 32px;
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    padding: 24px;
    box-shadow: var(--nebula-shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

.ds-popular-articles__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--nebula-border, #E2E8F0);
}

.ds-popular-articles__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--nebula-text-lg, 1.125rem);
    font-weight: var(--nebula-font-semibold, 600);
    color: var(--nebula-secondary, #0F172A);
    margin: 0;
}

.ds-popular-articles__title svg {
    color: var(--nebula-accent, #F59E0B);
}

.ds-popular-articles__badge {
    padding: 4px 10px;
    background: var(--nebula-accent, #F59E0B);
    color: #fff;
    font-size: var(--nebula-text-xs, 0.75rem);
    font-weight: var(--nebula-font-bold, 700);
    border-radius: var(--nebula-radius-full, 9999px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ds-popular-articles__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ds-popular-article-item {
    border-radius: var(--nebula-radius-lg, 12px);
    transition: all var(--nebula-duration-fast, 0.15s) var(--nebula-ease-out);
}

.ds-popular-article-item:hover {
    background: var(--nebula-bg-secondary, #F8FAFC);
}

.ds-popular-article-item__link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    text-decoration: none;
    border-radius: var(--nebula-radius-lg, 12px);
}

.ds-popular-article-item__rank {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--nebula-text-sm, 0.875rem);
    font-weight: var(--nebula-font-bold, 700);
    color: var(--nebula-text-secondary, #64748B);
    background: var(--nebula-bg-secondary, #F8FAFC);
    border-radius: var(--nebula-radius-md, 8px);
    flex-shrink: 0;
}

.ds-popular-article-item__rank--top1,
.ds-popular-article-item__rank--top2,
.ds-popular-article-item__rank--top3 {
    background: var(--nebula-accent, #F59E0B);
    color: #fff;
}

.ds-popular-article-item__rank--top1 {
    background: linear-gradient(135deg, #F59E0B, #D97706);
}

.ds-popular-article-item__rank--top2 {
    background: linear-gradient(135deg, #94A3B8, #64748B);
}

.ds-popular-article-item__rank--top3 {
    background: linear-gradient(135deg, #CD7F32, #A0522D);
}

.ds-popular-article-item__content {
    flex: 1;
    min-width: 0;
}

.ds-popular-article-item__title {
    font-size: var(--nebula-text-base, 1rem);
    font-weight: var(--nebula-font-medium, 500);
    color: var(--nebula-secondary, #0F172A);
    margin: 0 0 6px 0;
    line-height: 1.4;
    /* [P1-FIX] 多行截断替代单行截断 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--nebula-duration-fast, 0.15s);
}

.ds-popular-article-item:hover .ds-popular-article-item__title {
    color: var(--nebula-primary, #0EA5E9);
}

.ds-popular-article-item__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: var(--nebula-text-xs, 0.75rem);
    color: var(--nebula-text-muted, var(--nebula-text-muted));
}

.ds-popular-article-item__cat {
    padding: 2px 8px;
    background: var(--nebula-primary-light, #E0F2FE);
    color: var(--nebula-primary-dark, #0284C7);
    border-radius: var(--nebula-radius-full, 9999px);
    font-weight: var(--nebula-font-medium, 500);
}

.ds-popular-article-item__views {
    display: flex;
    align-items: center;
    gap: 4px;
}

.ds-popular-article-item__thumb {
    width: 60px;
    height: 45px;
    border-radius: var(--nebula-radius-md, 8px);
    overflow: hidden;
    flex-shrink: 0;
}

.ds-popular-article-item__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================
   Category Tabs
   ============================ */

.ds-category-tabs-wrapper {
    margin-bottom: 24px;
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    padding: 16px 20px;
    box-shadow: var(--nebula-shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

.ds-category-tabs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.ds-category-tabs__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}

.ds-cat-tab {
    padding: 8px 16px;
    background: var(--nebula-bg-secondary, #F8FAFC);
    border: 1px solid transparent;
    border-radius: var(--nebula-radius-full, 9999px);
    font-size: var(--nebula-text-sm, 0.875rem);
    font-weight: var(--nebula-font-medium, 500);
    color: var(--nebula-text-secondary, #64748B);
    cursor: pointer;
    transition: all var(--nebula-duration-fast, 0.15s) var(--nebula-ease-out);
}

.ds-cat-tab:hover {
    background: var(--nebula-bg-tertiary, #F1F5F9);
    border-color: var(--nebula-border, #E2E8F0);
}

.ds-cat-tab.active {
    background: linear-gradient(135deg, var(--nebula-primary, #0EA5E9), var(--nebula-secondary, #0F172A));
    color: #fff;
    border-color: transparent;
    box-shadow: var(--nebula-shadow-md, 0 4px 6px rgba(14, 165, 233, 0.3));
}

/* ============================
   Post List & Cards
   ============================ */

.ds-post-list-area {
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    padding: 24px;
    box-shadow: var(--nebula-shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

.ds-post-list {
    display: grid;
    gap: 20px;
}

.ds-post-list--cols-1 {
    grid-template-columns: 1fr;
}

.ds-post-list--cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.ds-post-list--cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Post Card */
.ds-post-card {
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    overflow: hidden;
    border: 1px solid var(--nebula-border, #E2E8F0);
    transition: all var(--nebula-duration-normal, 0.2s) var(--nebula-ease-out);
}

.ds-post-card:hover {
    border-color: var(--nebula-primary, #0EA5E9);
    box-shadow: var(--nebula-shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
    transform: translateY(-2px);
}

.ds-post-card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.ds-post-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--nebula-duration-slow, 0.3s) var(--nebula-ease-out);
}

.ds-post-card:hover .ds-post-card__image img {
    transform: scale(1.05);
}

.ds-post-card__category {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: var(--nebula-primary, #0EA5E9);
    color: #fff;
    font-size: var(--nebula-text-xs, 0.75rem);
    font-weight: var(--nebula-font-semibold, 600);
    border-radius: var(--nebula-radius-full, 9999px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ds-post-card__body {
    padding: 20px;
}

.ds-post-card__title {
    font-size: var(--nebula-text-lg, 1.125rem);
    font-weight: var(--nebula-font-semibold, 600);
    color: var(--nebula-secondary, #0F172A);
    margin: 0 0 12px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ds-post-card:hover .ds-post-card__title {
    color: var(--nebula-primary, #0EA5E9);
}

.ds-post-card__excerpt {
    font-size: var(--nebula-text-sm, 0.875rem);
    color: var(--nebula-text-secondary, #64748B);
    line-height: 1.6;
    margin: 0 0 16px 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ds-post-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--nebula-border-light, #F1F5F9);
}

.ds-post-card__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: var(--nebula-text-xs, 0.75rem);
    color: var(--nebula-text-muted, #94A3B8);
}

.ds-post-card__date,
.ds-post-card__views {
    display: flex;
    align-items: center;
    gap: 4px;
}

.ds-post-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ds-post-card__tag {
    padding: 3px 8px;
    background: var(--nebula-bg-secondary, #F8FAFC);
    color: var(--nebula-text-secondary, #64748B);
    font-size: var(--nebula-text-xs, 0.75rem);
    border-radius: var(--nebula-radius-full, 9999px);
    transition: all var(--nebula-duration-fast, 0.15s);
}

.ds-post-card__tag:hover {
    background: var(--nebula-primary-light, #E0F2FE);
    color: var(--nebula-primary, #0EA5E9);
}

/* ============================
   Load More
   ============================ */

.ds-load-more {
    text-align: center;
    padding: 24px;
    color: var(--nebula-text-secondary, #64748B);
    cursor: pointer;
    font-weight: var(--nebula-font-medium, 500);
    transition: color var(--nebula-duration-fast, 0.15s);
}

.ds-load-more:hover {
    color: var(--nebula-primary, #0EA5E9);
}

.ds-load-more.is-loading {
    pointer-events: none;
    opacity: 0.6;
}

/* ============================
   Sidebar Widgets
   ============================ */

.ds-sidebar-widget {
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--nebula-shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

.ds-sidebar-widget__title {
    font-size: var(--nebula-text-base, 1rem);
    font-weight: var(--nebula-font-semibold, 600);
    color: var(--nebula-secondary, #0F172A);
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--nebula-primary, #0EA5E9);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ds-sidebar-widget__title svg {
    color: var(--nebula-primary, #0EA5E9);
}

/* ============================
   No Results
   ============================ */

.ds-no-results {
    text-align: center;
    padding: 60px 20px;
}

.ds-no-results h2 {
    font-size: var(--nebula-text-2xl, 1.5rem);
    color: var(--nebula-secondary, #0F172A);
    margin-bottom: 12px;
}

.ds-no-results p {
    color: var(--nebula-text-secondary, #64748B);
}

/* ============================
   Responsive
   ============================ */

@media (max-width: 992px) {
    .ds-featured-area__inner {
        grid-template-columns: 1fr;
    }

    .ds-featured-links {
        flex-direction: row;
    }

    .ds-featured-link-card {
        flex-direction: column;
        text-align: center;
    }

    .ds-featured-link-card__arrow {
        display: none;
    }
}

@media (max-width: 768px) {
    .ds-featured-links {
        flex-direction: column;
    }

    .ds-post-list--cols-2,
    .ds-post-list--cols-3 {
        grid-template-columns: 1fr;
    }

    .ds-popular-articles__list {
        gap: 8px;
    }

    .ds-popular-article-item__thumb {
        display: none;
    }
}

/* ============================
   Dark Mode
   ============================ */

[data-theme="dark"] .ds-featured-carousel,
[data-theme="dark"] .ds-category-tabs-wrapper,
[data-theme="dark"] .ds-post-list-area,
[data-theme="dark"] .ds-popular-articles,
[data-theme="dark"] .ds-post-card,
[data-theme="dark"] .ds-sidebar-widget {
    background: var(--nebula-bg-secondary, #1E293B);
    border-color: var(--nebula-border, #334155);
}

[data-theme="dark"] .ds-cat-tab {
    background: var(--nebula-bg-tertiary, #334155);
    color: var(--nebula-text-secondary, #94A3B8);
}

[data-theme="dark"] .ds-cat-tab:hover {
    background: var(--nebula-bg-secondary, #1E293B);
}

[data-theme="dark"] .ds-popular-article-item__rank {
    background: var(--nebula-bg-tertiary, #334155);
    color: var(--nebula-text-secondary, #94A3B8);
}

[data-theme="dark"] .ds-popular-article-item:hover {
    background: var(--nebula-bg-tertiary, #334155);
}

/* ============================
   Nebula Prefix Aliases (BEM命名兼容)
   PHP 模板使用 nebula-* 前缀，ds-* 为向后兼容保留
   ============================ */

/* Post Card (nebula- prefix) */
.nebula-post-card {
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    overflow: hidden;
    border: 1px solid var(--nebula-border, #E2E8F0);
    transition: all var(--nebula-duration-normal, 0.2s) var(--nebula-ease-out);
}

.nebula-post-card:hover {
    border-color: var(--nebula-primary, #0EA5E9);
    box-shadow: var(--nebula-shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.1));
    transform: translateY(-2px);
}

.nebula-post-card--list {
    display: flex;
    gap: 20px;
}

.nebula-post-card--list .nebula-post-card__thumbnail {
    width: 280px;
    min-width: 280px;
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.nebula-post-card--list .nebula-post-card__thumbnail a {
    display: block;
    width: 100%;
    height: 100%;
}

.nebula-post-card--list .nebula-post-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--nebula-duration-slow, 0.3s);
}

.nebula-post-card:hover .nebula-post-card__img {
    transform: scale(1.05);
}

.nebula-post-card--list .nebula-post-card__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 16px 20px 16px 0;
    min-width: 0;
}

.nebula-post-card__cat-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--nebula-primary, #0EA5E9), var(--nebula-primary-dark, #0284C7));
    color: #fff;
    font-size: var(--nebula-text-xs, 0.75rem);
    font-weight: var(--nebula-font-semibold, 600);
    border-radius: var(--nebula-radius-full, 9999px);
    z-index: 2;
}

.nebula-post-card__cats-inline {
    margin-bottom: 8px;
}

.nebula-post-card__cat-tag {
    display: inline-block;
    padding: 2px 10px;
    background: var(--nebula-primary-light, #E0F2FE);
    color: var(--nebula-primary-dark, #0284C7);
    font-size: var(--nebula-text-xs, 0.75rem);
    font-weight: var(--nebula-font-medium, 500);
    border-radius: var(--nebula-radius-full, 9999px);
    text-decoration: none;
    transition: background var(--nebula-duration-fast, 0.15s);
}

.nebula-post-card__cat-tag:hover {
    background: var(--nebula-primary, #0EA5E9);
    color: #fff;
}

.nebula-post-card__title {
    font-size: var(--nebula-text-lg, 1.125rem);
    font-weight: var(--nebula-font-semibold, 600);
    color: var(--nebula-secondary, #0F172A);
    margin: 0 0 10px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nebula-post-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--nebula-duration-fast, 0.15s);
}

.nebula-post-card__title a:hover {
    color: var(--nebula-primary, #0EA5E9);
}

.nebula-post-card__excerpt {
    font-size: var(--nebula-text-sm, 0.875rem);
    color: var(--nebula-text-secondary, #64748B);
    line-height: 1.6;
    margin: 0 0 14px 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nebula-post-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: var(--nebula-text-xs, 0.75rem);
    color: var(--nebula-text-muted, #94A3B8);
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--nebula-border-light, #F1F5F9);
}

.nebula-post-card__author,
.nebula-post-card__date,
.nebula-post-card__views {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.nebula-post-card__author a {
    color: inherit;
    text-decoration: none;
    transition: color var(--nebula-duration-fast, 0.15s);
}

.nebula-post-card__author a:hover {
    color: var(--nebula-primary, #0EA5E9);
}

.nebula-post-card__date time {
    color: inherit;
}

/* Post List (nebula- prefix) */
.nebula-post-list {
    display: grid;
    gap: 20px;
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    padding: 24px;
    box-shadow: var(--nebula-shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

.nebula-post-list--cols-1 {
    grid-template-columns: 1fr;
}

.nebula-post-list--cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.nebula-post-list--cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.nebula-post-list--grid .nebula-post-card--list {
    flex-direction: column;
}

.nebula-post-list--grid .nebula-post-card--list .nebula-post-card__thumbnail {
    width: 100%;
    min-width: 0;
}

.nebula-post-list--grid .nebula-post-card--list .nebula-post-card__content {
    padding: 16px;
}

/* Load More (nebula- prefix) */
.nebula-load-more {
    text-align: center;
    padding: 24px;
    color: var(--nebula-text-secondary, #64748B);
    cursor: pointer;
    font-weight: var(--nebula-font-medium, 500);
    border-radius: var(--nebula-radius-lg, 12px);
    transition: all var(--nebula-duration-fast, 0.15s);
}

.nebula-load-more:hover {
    color: var(--nebula-primary, #0EA5E9);
    background: var(--nebula-bg-secondary, #F8FAFC);
}

.nebula-load-more.loading {
    pointer-events: none;
    opacity: 0.6;
}

/* Hero Section CTA Buttons */
.nebula-hero__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

.nebula-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: var(--nebula-text-base, 1rem);
    font-weight: var(--nebula-font-semibold, 600);
    border-radius: var(--nebula-radius-full, 9999px);
    text-decoration: none;
    transition: all var(--nebula-duration-normal, 0.2s) var(--nebula-ease-out);
    cursor: pointer;
    border: none;
    line-height: 1.2;
}

.nebula-btn--primary {
    background: linear-gradient(135deg, var(--nebula-primary, #0EA5E9), var(--nebula-primary-dark, #0284C7));
    color: #fff;
    box-shadow: var(--nebula-shadow-md, 0 4px 6px rgba(14, 165, 233, 0.3));
}

.nebula-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--nebula-shadow-lg, 0 10px 15px rgba(14, 165, 233, 0.4));
}

.nebula-btn--outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.nebula-btn--outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    transform: translateY(-2px);
}

/* Breadcrumb (nebula- prefix) */
.nebula-breadcrumb-wrapper {
    background: var(--nebula-bg-secondary, #F8FAFC);
    border-bottom: 1px solid var(--nebula-border, #E2E8F0);
    padding: 10px 0;
}

.nebula-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    font-size: var(--nebula-text-sm, 0.875rem);
    color: var(--nebula-text-muted, #94A3B8);
}

.nebula-breadcrumb a {
    color: var(--nebula-text-secondary, #64748B);
    text-decoration: none;
    transition: color var(--nebula-duration-fast, 0.15s);
}

.nebula-breadcrumb a:hover {
    color: var(--nebula-primary, #0EA5E9);
}

.nebula-breadcrumb__sep {
    color: var(--nebula-border, #CBD5E1);
    margin: 0 4px;
}

.nebula-breadcrumb__current {
    color: var(--nebula-text, #1E293B);
    font-weight: var(--nebula-font-medium, 500);
}

/* Popular Posts (nebula- prefix) */
.nebula-popular-posts {
    padding: 32px 0;
    background: var(--nebula-bg, #FFFFFF);
    border-bottom: 1px solid var(--nebula-border, #E2E8F0);
}

.nebula-popular-posts__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.nebula-popular-posts__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--nebula-text-xl, 1.25rem);
    font-weight: var(--nebula-font-semibold, 600);
    color: var(--nebula-secondary, #0F172A);
    margin: 0;
}

.nebula-popular-posts__title svg {
    color: var(--nebula-accent, #F59E0B);
}

.nebula-popular-posts__more {
    font-size: var(--nebula-text-sm, 0.875rem);
    color: var(--nebula-text-muted, #94A3B8);
    text-decoration: none;
    transition: color var(--nebula-duration-fast, 0.15s);
}

.nebula-popular-posts__more:hover {
    color: var(--nebula-primary, #0EA5E9);
}

.nebula-popular-posts__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.nebula-popular-post-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    background: var(--nebula-bg-secondary, #F8FAFC);
    border-radius: var(--nebula-radius-lg, 12px);
    padding: 16px;
    transition: all var(--nebula-duration-normal, 0.2s) var(--nebula-ease-out);
    border: 1px solid transparent;
}

.nebula-popular-post-card:hover {
    border-color: var(--nebula-primary, #0EA5E9);
    transform: translateY(-2px);
    box-shadow: var(--nebula-shadow-md, 0 4px 6px rgba(0, 0, 0, 0.1));
}

.nebula-popular-post-card__rank {
    font-size: var(--nebula-text-2xl, 1.5rem);
    font-weight: var(--nebula-font-bold, 700);
    color: var(--nebula-border, #CBD5E1);
    line-height: 1;
    margin-bottom: 8px;
}

.nebula-popular-post-card__rank--top {
    color: var(--nebula-accent, #F59E0B);
}

.nebula-popular-post-card__thumb {
    border-radius: var(--nebula-radius-md, 8px);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    margin-bottom: 10px;
}

.nebula-popular-post-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--nebula-duration-slow, 0.3s);
}

.nebula-popular-post-card:hover .nebula-popular-post-card__thumb img {
    transform: scale(1.05);
}

.nebula-popular-post-card__content {
    flex: 1;
}

.nebula-popular-post-card__title {
    font-size: var(--nebula-text-sm, 0.875rem);
    font-weight: var(--nebula-font-medium, 500);
    color: var(--nebula-secondary, #0F172A);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0 0 8px 0;
}

.nebula-popular-post-card:hover .nebula-popular-post-card__title {
    color: var(--nebula-primary, #0EA5E9);
}

.nebula-popular-post-card__views {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--nebula-text-xs, 0.75rem);
    color: var(--nebula-text-muted, #94A3B8);
}

/* Category Tabs (nebula- prefix) */
.nebula-category-tabs-wrapper {
    margin-bottom: 24px;
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    padding: 16px 20px;
    box-shadow: var(--nebula-shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

.nebula-category-tabs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.nebula-category-tabs__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}

.nebula-cat-tab {
    padding: 8px 16px;
    background: var(--nebula-bg-secondary, #F8FAFC);
    border: 1px solid transparent;
    border-radius: var(--nebula-radius-full, 9999px);
    font-size: var(--nebula-text-sm, 0.875rem);
    font-weight: var(--nebula-font-medium, 500);
    color: var(--nebula-text-secondary, #64748B);
    cursor: pointer;
    transition: all var(--nebula-duration-fast, 0.15s) var(--nebula-ease-out);
    line-height: 1.4;
}

.nebula-cat-tab:hover {
    background: var(--nebula-bg-tertiary, #F1F5F9);
    border-color: var(--nebula-border, #E2E8F0);
}

.nebula-cat-tab.active {
    background: linear-gradient(135deg, var(--nebula-primary, #0EA5E9), var(--nebula-secondary, #0F172A));
    color: #fff;
    border-color: transparent;
    box-shadow: var(--nebula-shadow-md, 0 4px 6px rgba(14, 165, 233, 0.3));
}

/* Content with Tabs Layout */
.nebula-content-with-tabs__inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
}

.nebula-content-with-tabs__main {
    min-width: 0;
}

.nebula-content-with-tabs__sidebar {
    width: 320px;
}

/* Post List Area (nebula- prefix) */
.nebula-post-list-area {
    background: var(--nebula-bg, #FFFFFF);
    border-radius: var(--nebula-radius-xl, 16px);
    box-shadow: var(--nebula-shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
    padding: 24px;
}

/* No Results (nebula- prefix) */
.nebula-no-results {
    text-align: center;
    padding: 60px 20px;
}

.nebula-no-results__title {
    font-size: var(--nebula-text-2xl, 1.5rem);
    color: var(--nebula-secondary, #0F172A);
    margin-bottom: 12px;
}

.nebula-no-results__desc {
    color: var(--nebula-text-secondary, #64748B);
    margin-bottom: 20px;
}

.nebula-no-results__icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.nebula-no-results__back {
    display: inline-block;
    padding: 10px 24px;
    background: var(--nebula-primary, #0EA5E9);
    color: #fff;
    border-radius: var(--nebula-radius-full, 9999px);
    text-decoration: none;
    font-weight: var(--nebula-font-medium, 500);
    transition: all var(--nebula-duration-fast, 0.15s);
}

.nebula-no-results__back:hover {
    background: var(--nebula-primary-dark, #0284C7);
    transform: translateY(-1px);
}

/* ============================
   Dark Mode - Nebula Prefix
   ============================ */

[data-theme="dark"] .nebula-post-card,
[data-theme="dark"] .nebula-post-list,
[data-theme="dark"] .nebula-post-list-area,
[data-theme="dark"] .nebula-popular-posts,
[data-theme="dark"] .nebula-category-tabs-wrapper {
    background: var(--nebula-bg-secondary, #1E293B);
    border-color: var(--nebula-border, #334155);
}

[data-theme="dark"] .nebula-post-card__meta {
    border-color: var(--nebula-border, #334155);
}

[data-theme="dark"] .nebula-popular-post-card {
    background: var(--nebula-bg-tertiary, #1E293B);
}

[data-theme="dark"] .nebula-popular-posts {
    background: var(--nebula-bg, #0F172A);
}

[data-theme="dark"] .nebula-cat-tab {
    background: var(--nebula-bg-tertiary, #334155);
    color: var(--nebula-text-secondary, #94A3B8);
}

[data-theme="dark"] .nebula-cat-tab:hover {
    background: var(--nebula-bg-secondary, #1E293B);
}

[data-theme="dark"] .nebula-btn--outline {
    border-color: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .nebula-breadcrumb-wrapper {
    background: var(--nebula-bg-secondary, #1E293B);
}

/* ============================
   Responsive - Nebula Prefix
   ============================ */

@media (max-width: 992px) {
    .nebula-content-with-tabs__inner {
        grid-template-columns: 1fr;
    }

    .nebula-content-with-tabs__sidebar {
        width: 100%;
    }

    .nebula-popular-posts__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .nebula-post-card--list {
        flex-direction: column;
    }

    .nebula-post-card--list .nebula-post-card__thumbnail {
        width: 100%;
        min-width: 0;
    }

    .nebula-post-card--list .nebula-post-card__content {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    .nebula-popular-posts__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nebula-post-list--cols-2,
    .nebula-post-list--cols-3 {
        grid-template-columns: 1fr;
    }

    .nebula-hero__actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .nebula-popular-posts__grid {
        grid-template-columns: 1fr;
    }
}

/* ============================
   Pagination
   ============================ */

.nebula-pagination {
    display: flex;
    justify-content: center;
    padding: 32px 0 8px;
}

.nebula-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    margin: 0 4px;
    font-size: var(--nebula-text-sm, 0.875rem);
    font-weight: var(--nebula-font-medium, 500);
    color: var(--nebula-text-secondary, #64748B);
    background: var(--nebula-bg, #FFFFFF);
    border: 1px solid var(--nebula-border, #E2E8F0);
    border-radius: var(--nebula-radius-md, 8px);
    text-decoration: none;
    transition: all var(--nebula-duration-fast, 0.15s);
}

.nebula-pagination .page-numbers:hover {
    color: var(--nebula-primary, #0EA5E9);
    border-color: var(--nebula-primary, #0EA5E9);
}

.nebula-pagination .page-numbers.current {
    background: linear-gradient(135deg, var(--nebula-primary, #0EA5E9), var(--nebula-primary-dark, #0284C7));
    color: #fff;
    border-color: transparent;
    font-weight: var(--nebula-font-semibold, 600);
    box-shadow: var(--nebula-shadow-sm, 0 1px 2px rgba(14, 165, 233, 0.3));
}

.nebula-pagination .page-numbers.dots {
    border: none;
    background: transparent;
}

.nebula-pagination .page-numbers.prev,
.nebula-pagination .page-numbers.next {
    padding: 0 16px;
}

[data-theme="dark"] .nebula-pagination .page-numbers {
    background: var(--nebula-bg-secondary, #1E293B);
    border-color: var(--nebula-border, #334155);
    color: var(--nebula-text-secondary, #94A3B8);
}

[data-theme="dark"] .nebula-pagination .page-numbers:hover {
    border-color: var(--nebula-primary, #0EA5E9);
    color: var(--nebula-primary, #0EA5E9);
}

/* ============================
   Float Actions
   ============================ */

.nebula-float-actions {
    position: fixed;
    right: 24px;
    bottom: 120px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: var(--nebula-z-float, 100);
    transition: opacity var(--nebula-duration-normal, 0.2s);
}

.nebula-float-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--nebula-bg, #FFFFFF);
    border: 1px solid var(--nebula-border, #E2E8F0);
    border-radius: var(--nebula-radius-lg, 12px);
    color: var(--nebula-text-secondary, #64748B);
    cursor: pointer;
    box-shadow: var(--nebula-shadow-md, 0 4px 6px rgba(0, 0, 0, 0.1));
    transition: all var(--nebula-duration-fast, 0.15s);
}

.nebula-float-btn:hover {
    color: var(--nebula-primary, #0EA5E9);
    border-color: var(--nebula-primary, #0EA5E9);
    transform: translateY(-2px);
    box-shadow: var(--nebula-shadow-lg, 0 10px 15px rgba(0, 0, 0, 0.15));
}

[data-theme="dark"] .nebula-float-btn {
    background: var(--nebula-bg-secondary, #1E293B);
    border-color: var(--nebula-border, #334155);
}

@media (max-width: 768px) {
    .nebula-float-actions {
        right: 16px;
        bottom: 80px;
    }

    .nebula-float-btn {
        width: 40px;
        height: 40px;
    }
}