/* Tech News — thème clair (défaut) et sombre (body.dark-mode) */

.tech-news-page {
    /* Mode clair */
    --tn-bg: #f4f6fb;
    --tn-surface: #ffffff;
    --tn-surface-elevated: #f1f5f9;
    --tn-border: rgba(15, 23, 42, 0.08);
    --tn-border-strong: rgba(15, 23, 42, 0.12);
    --tn-accent: #5c5cf4;
    --tn-accent-hover: #4f46e5;
    --tn-accent-glow: rgba(92, 92, 244, 0.25);
    --tn-accent-soft: rgba(92, 92, 244, 0.1);
    --tn-text: #0f172a;
    --tn-text-secondary: #475569;
    --tn-text-muted: #64748b;
    --tn-success: #16a34a;
    --tn-success-soft: rgba(34, 197, 94, 0.1);
    --tn-success-border: rgba(34, 197, 94, 0.3);
    --tn-header-grid: rgba(15, 23, 42, 0.04);
    --tn-header-glow: rgba(92, 92, 244, 0.12);
    --tn-carousel-overlay: linear-gradient(to top, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.45) 55%, transparent 100%);
    --tn-sticky-bar: rgba(244, 246, 251, 0.94);
    --tn-radius: 14px;
    --tn-radius-lg: 16px;
    --tn-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
    color-scheme: light;
}

.tech-news-page.dark-mode {
    /* Mode sombre (maquette) */
    --tn-bg: #0a0c14;
    --tn-surface: #111520;
    --tn-surface-elevated: #161b28;
    --tn-border: rgba(255, 255, 255, 0.08);
    --tn-border-strong: rgba(255, 255, 255, 0.12);
    --tn-accent: #5c5cf4;
    --tn-accent-hover: #7070f6;
    --tn-accent-glow: rgba(92, 92, 244, 0.35);
    --tn-accent-soft: rgba(92, 92, 244, 0.12);
    --tn-text: #f8fafc;
    --tn-text-secondary: #94a3b8;
    --tn-text-muted: #64748b;
    --tn-success: #22c55e;
    --tn-success-soft: rgba(34, 197, 94, 0.12);
    --tn-success-border: rgba(34, 197, 94, 0.35);
    --tn-header-grid: rgba(255, 255, 255, 0.02);
    --tn-header-glow: rgba(92, 92, 244, 0.2);
    --tn-carousel-overlay: linear-gradient(to top, rgba(10, 12, 20, 0.95) 0%, rgba(10, 12, 20, 0.4) 55%, transparent 100%);
    --tn-sticky-bar: rgba(10, 12, 20, 0.92);
    --tn-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    color-scheme: dark;
}

.tech-news-page,
.tech-news-page .content,
.tech-news-page .main-content,
.tech-news-page .tech-news-header,
.tech-news-page .featured-carousel,
.tech-news-page .search-bar-container,
.tech-news-page .language-filter,
.tech-news-page .categories-container,
.tech-news-page .article-card,
.tech-news-page .category-btn,
.tech-news-page .language-btn,
.tech-news-page #search-input {
    transition:
        background-color 0.25s ease,
        color 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}

.tech-news-page {
    background-color: var(--tn-bg);
    color: var(--tn-text);
}

.tech-news-page .content {
    background-color: var(--tn-bg);
}

.tech-news-page .main-content {
    background-color: var(--tn-bg);
}

.tech-news-page .top-header {
    background-color: var(--tn-surface);
    border-bottom-color: var(--tn-border);
    box-shadow: none;
}

.tech-news-page .top-header #username-display,
.tech-news-page .logout-btn {
    color: var(--tn-text-secondary);
}

.tech-news-page .logout-btn:hover {
    color: var(--tn-text);
}

/* Sidebar mobile */
@media (max-width: 768px) {
    .tech-news-page .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 2000;
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: var(--sidebar-width, 210px);
        background: var(--tn-surface);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.4);
    }

    .tech-news-page .sidebar.open {
        transform: translateX(0);
    }

    .tech-news-page .hamburger-menu {
        display: flex !important;
        position: fixed;
        top: 15px;
        left: 15px;
        z-index: 1100;
        background: var(--tn-surface-elevated);
        border: 1px solid var(--tn-border);
        padding: 10px;
        border-radius: 10px;
        cursor: pointer;
        color: var(--tn-text);
        box-shadow: var(--tn-shadow);
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
    }

    .tech-news-page .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        z-index: 1900;
        display: none;
        backdrop-filter: blur(4px);
    }

    .tech-news-page .sidebar-overlay.active {
        display: block;
    }

    .tech-news-page .content {
        padding: 15px;
        margin-left: 0 !important;
        width: 100%;
    }

    .tech-news-page .top-header {
        padding-left: 50px;
    }
}

.tech-news-page .hamburger-menu {
    display: none;
}

.tech-news-container {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.tech-news-page .main-content {
    position: relative;
    min-height: calc(100vh - 80px);
}

/* En-tête */
.tech-news-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 2rem 1.5rem 1.5rem;
    background:
        radial-gradient(ellipse 80% 60% at 50% -20%, var(--tn-header-glow), transparent),
        linear-gradient(180deg, var(--tn-accent-soft) 0%, transparent 50%),
        var(--tn-surface);
    border-radius: var(--tn-radius-lg);
    border: 1px solid var(--tn-border);
    box-shadow: var(--tn-shadow);
    position: relative;
    overflow: hidden;
}

.tech-news-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--tn-header-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--tn-header-grid) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    opacity: 0.6;
}

.tech-news-header > * {
    position: relative;
    z-index: 1;
}

.tech-news-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--tn-text);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    letter-spacing: -0.02em;
}

.tech-news-header h1 i {
    font-size: 1.75rem;
    color: var(--tn-accent);
    background: linear-gradient(135deg, #5c5cf4, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-news-header p {
    color: var(--tn-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.recent-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--tn-success-soft);
    color: var(--tn-success);
    border: 1px solid var(--tn-success-border);
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.recent-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--tn-success);
    box-shadow: 0 0 8px var(--tn-success);
    flex-shrink: 0;
}

.recent-badge .fa-clock {
    display: none;
}

.btn-refresh {
    padding: 0.55rem 1.35rem;
    background: var(--tn-accent);
    color: white;
    border: none;
    border-radius: 2rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 20px var(--tn-accent-glow);
}

.btn-refresh:hover {
    background: var(--tn-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--tn-accent-glow);
}

.btn-refresh i {
    transition: transform 0.3s ease;
}

.btn-refresh:hover i {
    transform: rotate(180deg);
}

.btn-refresh.loading i {
    animation: tn-spin 1s linear infinite;
}

/* Filtre langue */
.language-filter {
    display: flex;
    justify-content: center;
    gap: 0.65rem;
    margin-bottom: 1.5rem;
    padding: 0.85rem 1rem;
    background: var(--tn-surface);
    border-radius: var(--tn-radius-lg);
    border: 1px solid var(--tn-border);
    flex-wrap: wrap;
}

.language-btn {
    padding: 0.5rem 1.15rem;
    border: 1px solid var(--tn-border-strong);
    background: transparent;
    color: var(--tn-text-secondary);
    border-radius: 2rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.88rem;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.language-btn:hover {
    border-color: var(--tn-accent);
    color: var(--tn-text);
    background: var(--tn-accent-soft);
}

.language-btn.active {
    background: var(--tn-accent);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px var(--tn-accent-glow);
}

/* Carrousel */
.featured-carousel {
    margin-bottom: 1.75rem;
    background: var(--tn-surface);
    border-radius: var(--tn-radius-lg);
    padding: 1.25rem 1.5rem 1.5rem;
    border: 1px solid var(--tn-border);
    box-shadow: var(--tn-shadow);
}

.carousel-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--tn-text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.carousel-title i {
    color: #f97316;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--tn-radius);
}

.carousel-track-container {
    overflow: hidden;
    border-radius: var(--tn-radius);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-item {
    min-width: 100%;
    position: relative;
    cursor: pointer;
}

.carousel-item img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: var(--tn-radius);
    display: block;
}

.carousel-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--tn-carousel-overlay);
    padding: 2rem 1.75rem 1.5rem;
    color: white;
    border-bottom-left-radius: var(--tn-radius);
    border-bottom-right-radius: var(--tn-radius);
}

.carousel-content h3 {
    font-size: 1.45rem;
    margin: 0 0 0.5rem 0;
    color: white;
    font-weight: 700;
    line-height: 1.3;
}

.carousel-content p {
    font-size: 0.95rem;
    margin: 0 0 0.75rem 0;
    color: var(--tn-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.carousel-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--tn-text-muted);
    flex-wrap: wrap;
}

.carousel-meta a {
    color: var(--tn-accent-hover);
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--tn-border-strong);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.2s ease;
    color: #334155;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.tech-news-page.dark-mode .carousel-nav {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.15);
    color: white;
    box-shadow: none;
}

.carousel-nav:hover {
    background: #ffffff;
    transform: translateY(-50%) scale(1.05);
}

.tech-news-page.dark-mode .carousel-nav:hover {
    background: rgba(255, 255, 255, 0.22);
}

.carousel-nav.prev-btn {
    left: 1rem;
}

.carousel-nav.next-btn {
    right: 1rem;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--tn-border-strong);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator.active {
    background: var(--tn-accent);
    width: 24px;
    border-radius: 4px;
}

.carousel-loader {
    text-align: center;
    padding: 3rem;
    color: var(--tn-text-muted);
}

/* Recherche */
.search-bar-container {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--tn-surface);
    border-radius: var(--tn-radius-lg);
    border: 1px solid var(--tn-border);
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 1rem;
    color: var(--tn-text-muted);
    font-size: 1rem;
    pointer-events: none;
    z-index: 1;
}

#search-input {
    flex: 1;
    padding: 0.8rem 1rem 0.8rem 2.75rem;
    border: 1px solid var(--tn-border-strong);
    border-radius: var(--tn-radius);
    font-size: 0.95rem;
    background: var(--tn-bg);
    color: var(--tn-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#search-input:focus {
    outline: none;
    border-color: var(--tn-accent);
    box-shadow: 0 0 0 3px var(--tn-accent-soft);
}

#search-input::placeholder {
    color: var(--tn-text-muted);
}

.clear-search-btn {
    position: absolute;
    right: 130px;
    padding: 0.5rem;
    background: transparent;
    border: none;
    color: var(--tn-text-muted);
    cursor: pointer;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.clear-search-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.search-btn {
    padding: 0.8rem 1.35rem;
    background: var(--tn-accent);
    color: white;
    border: none;
    border-radius: var(--tn-radius);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    white-space: nowrap;
    box-shadow: 0 4px 16px var(--tn-accent-glow);
}

.search-btn:hover {
    background: var(--tn-accent-hover);
    transform: translateY(-1px);
}

.search-hint {
    margin: 0.65rem 0 0;
    font-size: 0.8rem;
    color: var(--tn-text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.search-hint i {
    color: var(--tn-accent);
}

/* Google Programmable Search Engine (widget embarqué) */
.google-cse-block {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--tn-border);
}

.google-cse-label {
    margin: 0 0 0.85rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--tn-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.google-cse-label i {
    color: var(--tn-accent);
}

.google-cse-block .gcse-search {
    width: 100%;
}

/* Harmonisation du widget Google avec le thème sombre/clair */
.google-cse-block .gsc-control-cse,
.google-cse-block .gsc-control-wrapper-cse {
    background: transparent !important;
    border: none !important;
    font-family: 'Inter', sans-serif !important;
}

.google-cse-block .gsc-search-box {
    margin-bottom: 0.5rem;
}

.google-cse-block .gsc-input-box,
.google-cse-block .gsc-input-box-focus,
.google-cse-block .gsc-input-box-hover {
    background: var(--tn-bg) !important;
    border: 1px solid var(--tn-border-strong) !important;
    border-radius: var(--tn-radius) !important;
    box-shadow: none !important;
}

.google-cse-block .gsc-input-box input.gsc-input {
    background: transparent !important;
    color: var(--tn-text) !important;
}

.google-cse-block .gsc-search-button-v2,
.google-cse-block .gsc-search-button {
    background: var(--tn-accent) !important;
    border: none !important;
    border-radius: var(--tn-radius) !important;
    padding: 10px 16px !important;
}

.google-cse-block .gsc-results-wrapper-overlay,
.google-cse-block .gsc-results-wrapper-visible {
    background: var(--tn-surface) !important;
    border: 1px solid var(--tn-border) !important;
    border-radius: var(--tn-radius-lg) !important;
}

.google-cse-block .gsc-webResult .gsc-result {
    background: var(--tn-surface-elevated) !important;
    border: 1px solid var(--tn-border) !important;
    border-radius: var(--tn-radius) !important;
    margin-bottom: 0.65rem !important;
    padding: 0.75rem !important;
}

.google-cse-block .gs-title a,
.google-cse-block .gs-title a b {
    color: var(--tn-accent-hover) !important;
}

.google-cse-block .gs-snippet,
.google-cse-block .gs-visibleUrl,
.google-cse-block .gs-visibleUrl-breadcrumb {
    color: var(--tn-text-secondary) !important;
}

.google-cse-block .gsc-cursor-page {
    color: var(--tn-accent) !important;
}

.web-search-banner {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: var(--tn-radius);
    background: var(--tn-accent-soft);
    border: 1px solid rgba(92, 92, 244, 0.25);
    color: var(--tn-text-secondary);
    font-size: 0.88rem;
}

.web-search-banner i {
    color: var(--tn-accent);
    flex-shrink: 0;
}

.web-search-banner strong {
    color: var(--tn-text);
}

.web-search-banner .web-search-hint {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.78rem;
    opacity: 0.85;
}

.web-search-banner--loading {
    animation: tn-pulse 1.5s ease-in-out infinite;
}

@keyframes tn-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.65; }
}

.article-web-badge {
    position: absolute;
    top: 0.65rem;
    left: 0.65rem;
    z-index: 2;
    padding: 0.2rem 0.5rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 0.35rem;
    background: var(--tn-accent);
    color: #fff;
    box-shadow: 0 2px 8px var(--tn-accent-glow);
}

/* Catégories */
.categories-container {
    display: flex;
    gap: 0.65rem;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--tn-sticky-bar);
    padding: 1rem 1.25rem;
    backdrop-filter: blur(12px);
    border-radius: var(--tn-radius-lg);
    border: 1px solid var(--tn-border);
    box-shadow: var(--tn-shadow);
}

.category-btn {
    padding: 0.6rem 1.15rem;
    border: 1px solid var(--tn-border-strong);
    background: var(--tn-surface-elevated);
    color: var(--tn-text-secondary);
    border-radius: 2rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.88rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.category-btn:hover {
    border-color: var(--tn-accent);
    color: var(--tn-text);
    background: var(--tn-accent-soft);
}

.category-btn.active {
    background: var(--tn-accent);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 14px var(--tn-accent-glow);
}

.category-btn.special-category {
    background: var(--tn-surface-elevated);
    color: var(--tn-text-secondary);
    border: 1px solid var(--tn-border-strong);
}

.category-btn.special-category:hover {
    border-color: #ec4899;
    color: #f9a8d4;
    background: rgba(236, 72, 153, 0.1);
}

.category-btn.special-category.active {
    background: linear-gradient(135deg, #7c3aed, #5c5cf4);
    color: white;
    border-color: transparent;
}

/* Grille articles */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.article-card {
    background: var(--tn-surface);
    border-radius: var(--tn-radius-lg);
    overflow: hidden;
    border: 1px solid var(--tn-border);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    border-color: rgba(92, 92, 244, 0.35);
}

.article-image-container {
    position: relative;
    overflow: hidden;
    height: 190px;
}

.article-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    border-radius: var(--tn-radius-lg) var(--tn-radius-lg) 0 0;
}

.article-card:hover img {
    transform: scale(1.04);
}

.article-actions {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.article-card:hover .article-actions {
    opacity: 1;
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(6px);
    border: 1px solid var(--tn-border-strong);
}

.tech-news-page.dark-mode .action-btn {
    background: rgba(17, 21, 32, 0.9);
    border: 1px solid var(--tn-border);
}

.action-btn i {
    font-size: 0.95rem;
    color: var(--tn-text-secondary);
    transition: color 0.2s ease;
}

.action-btn:hover {
    transform: scale(1.08);
    border-color: var(--tn-accent);
}

.action-btn.favorite-btn:hover i,
.action-btn.favorite-btn.active i {
    color: #f87171;
}

.action-btn.read-later-btn:hover i,
.action-btn.read-later-btn.active i {
    color: var(--tn-accent-hover);
}

.article-content {
    padding: 1.25rem 1.35rem 1.35rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-category {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    background: var(--tn-accent-soft);
    color: var(--tn-accent-hover);
    border: 1px solid rgba(92, 92, 244, 0.25);
    border-radius: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    align-self: flex-start;
}

.article-card h3 {
    color: var(--tn-text);
    margin: 0 0 0.65rem 0;
    font-size: 1.1rem;
    line-height: 1.4;
    font-weight: 700;
}

.article-card p {
    color: var(--tn-text-secondary);
    font-size: 0.88rem;
    line-height: 1.55;
    margin-bottom: 1rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--tn-border);
}

.article-date {
    color: var(--tn-text-muted);
    font-size: 0.82rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.article-link {
    color: var(--tn-accent-hover);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap 0.2s ease, color 0.2s ease;
    font-size: 0.88rem;
}

.article-link:hover {
    gap: 0.6rem;
    color: #a5b4fc;
}

.loader,
.no-articles {
    text-align: center;
    padding: 3rem;
    color: var(--tn-text-muted);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--tn-border-strong);
    border-left-color: var(--tn-accent);
    border-radius: 50%;
    animation: tn-spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes tn-spin {
    to { transform: rotate(360deg); }
}

.error-message {
    text-align: center;
    padding: 2rem;
    color: #f87171;
    background: rgba(248, 113, 113, 0.1);
    border-radius: var(--tn-radius);
    margin: 1rem 0;
    border: 1px solid rgba(248, 113, 113, 0.25);
}

/* Responsive */
@media (max-width: 768px) {
    .tech-news-container {
        padding: 1rem;
    }

    .tech-news-header {
        padding: 1.5rem 1rem;
    }

    .tech-news-header h1 {
        font-size: 1.5rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .carousel-item img {
        height: 260px;
    }

    .search-bar {
        flex-direction: column;
    }

    #search-input {
        width: 100%;
        box-sizing: border-box;
    }

    .search-btn {
        width: 100%;
        justify-content: center;
    }

    .clear-search-btn {
        right: 1rem;
        top: 22px;
    }

    .categories-container {
        gap: 0.5rem;
        padding: 0.85rem;
    }

    .category-btn {
        padding: 0.5rem 0.9rem;
        font-size: 0.8rem;
    }

    .article-actions {
        opacity: 1;
    }
}