/* ========================================
   Design System & Variables
   ======================================== */
:root {
    /* Colors - Light Mode */
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f7;
    --bg-glass: rgba(255, 255, 255, 0.72);
    --bg-glass-strong: rgba(255, 255, 255, 0.9);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
    --breaking-bg: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
    --breaking-text: #ffffff;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --border-color: rgba(0, 0, 0, 0.06);
    --border-strong: rgba(0, 0, 0, 0.1);
    --header-bg: rgba(255, 255, 255, 0.85);
    --tag-bg: rgba(99, 102, 241, 0.1);
    --tag-text: #6366f1;
    --skeleton-base: #e2e8f0;
    --skeleton-shine: #f1f5f9;
    --overlay-bg: rgba(0, 0, 0, 0.4);
    --featured-overlay: linear-gradient(0deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
    --success: #10b981;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-article: 'Merriweather', Georgia, 'Times New Roman', serif;

    /* Spacing */
    --container-max: 1280px;
    --header-height: 140px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0b0f1a;
    --bg-secondary: #131827;
    --bg-tertiary: #1a2035;
    --bg-glass: rgba(19, 24, 39, 0.8);
    --bg-glass-strong: rgba(19, 24, 39, 0.95);
    --text-primary: #e8edf5;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --accent: #818cf8;
    --accent-light: #a5b4fc;
    --accent-glow: rgba(129, 140, 248, 0.3);
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.2), 0 4px 16px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.5);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.1);
    --header-bg: rgba(11, 15, 26, 0.9);
    --tag-bg: rgba(129, 140, 248, 0.15);
    --tag-text: #a5b4fc;
    --skeleton-base: #1e293b;
    --skeleton-shine: #334155;
    --overlay-bg: rgba(0, 0, 0, 0.6);
}

/* ========================================
   Reset & Base
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background var(--transition-base), color var(--transition-base);
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Loading Screen
   ======================================== */
.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader {
    text-align: center;
}

.loader-ring {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 0 4px;
    border-radius: 50%;
    background: var(--accent);
    animation: loaderBounce 1.4s ease-in-out infinite;
}

.loader-ring:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-ring:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes loaderBounce {

    0%,
    80%,
    100% {
        transform: scale(0.6);
        opacity: 0.3;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.loader-text {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

.header-top {
    border-bottom: 1px solid var(--border-color);
    padding: 8px 0;
}

.header-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-date {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.auto-update-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
    }

    70% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--accent);
    color: white;
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.icon-moon {
    display: none;
}

[data-theme="dark"] .icon-sun {
    display: none;
}

[data-theme="dark"] .icon-moon {
    display: block;
}

.header-main {
    padding: 16px 0;
}

.header-main-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 28px;
    font-weight: 900;
    letter-spacing: -0.5px;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    font-size: 32px;
    filter: drop-shadow(0 2px 8px var(--accent-glow));
}

.logo-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.search-wrapper {
    position: relative;
    width: 100%;
    max-width: 420px;
}

.search-input {
    width: 100%;
    padding: 10px 44px 10px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--bg-tertiary);
    font-size: 14px;
    font-family: var(--font-sans);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-input:focus {
    border-color: var(--accent);
    background: var(--bg-secondary);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.search-btn svg {
    width: 18px;
    height: 18px;
}

.search-btn:hover {
    color: var(--accent);
    background: var(--accent-glow);
}

/* Navigation */
.header-nav {
    border-top: 1px solid var(--border-color);
}

.nav-scroll {
    display: flex;
    gap: 4px;
    padding: 8px 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-scroll::-webkit-scrollbar {
    display: none;
}

.nav-link {
    padding: 8px 18px;
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: white;
    background: var(--accent-gradient);
    box-shadow: 0 2px 10px var(--accent-glow);
}

/* ========================================
   Breaking News Ticker
   ======================================== */
.breaking-ticker {
    background: var(--breaking-bg);
    color: var(--breaking-text);
    padding: 10px 0;
    overflow: hidden;
}

.breaking-inner {
    display: flex;
    align-items: center;
    gap: 16px;
}

.breaking-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    font-size: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    white-space: nowrap;
    padding: 4px 14px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
}

.breaking-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #fff;
    animation: breakingPulse 1s infinite;
}

@keyframes breakingPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.ticker-wrapper {
    flex: 1;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

.ticker-content {
    display: flex;
    gap: 48px;
    animation: tickerScroll 45s linear infinite;
    white-space: nowrap;
}

.ticker-content:hover {
    animation-play-state: paused;
}

.ticker-item {
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: opacity var(--transition-fast);
}

.ticker-item:hover {
    opacity: 0.8;
}

.ticker-item::before {
    content: '•';
    font-size: 20px;
    opacity: 0.5;
}

@keyframes tickerScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
    padding: 32px 0 60px;
}

/* Featured Section */
.featured-section {
    margin-bottom: 48px;
}

.featured-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    grid-template-rows: auto auto;
    gap: 20px;
    min-height: 460px;
}

.featured-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.featured-card:first-child {
    grid-row: 1 / 3;
}

.featured-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.featured-card-overlay {
    position: absolute;
    inset: 0;
    background: var(--featured-overlay);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
}

.featured-card-category {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: var(--accent);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-bottom: 12px;
    width: fit-content;
}

.featured-card-title {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 800;
    color: white;
    line-height: 1.3;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-card:not(:first-child) .featured-card-title {
    font-size: 18px;
    -webkit-line-clamp: 2;
}

.featured-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
}

.featured-card-source {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.section-icon {
    font-size: 24px;
}

.last-updated {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 500;
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* News Card */
.news-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    cursor: pointer;
    animation: cardFadeIn 0.5s ease-out both;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent);
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-card-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    /* 16:9 */
    overflow: hidden;
    background: var(--skeleton-base);
}

.news-card-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.4s ease, transform var(--transition-slow);
}

.news-card-image.loaded {
    opacity: 1;
}

.featured-card-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.4s ease, transform var(--transition-slow);
}

.featured-card-img.loaded {
    opacity: 1;
}

.news-card:hover .news-card-image {
    transform: scale(1.08);
}

.news-card-category-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: var(--accent);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    z-index: 2;
}

.news-card-new-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 3px 8px;
    background: #ef4444;
    color: white;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    z-index: 2;
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.news-card-body {
    padding: 20px;
}

.news-card-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}

.news-card:hover .news-card-title {
    color: var(--accent);
}

.news-card-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}

.news-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

.news-card-source {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
}

.news-card-time {
    font-size: 12px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-card-time::before {
    content: '🕐';
    font-size: 11px;
}

/* Load More */
.load-more-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.load-more-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 36px;
    background: var(--accent-gradient);
    color: white;
    border-radius: var(--radius-xl);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.load-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.load-more-btn .btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spinSpinner 0.7s linear infinite;
}

.load-more-btn.loading .btn-spinner {
    display: inline-block;
}

.load-more-btn.loading .btn-icon {
    display: none;
}

@keyframes spinSpinner {
    to {
        transform: rotate(360deg);
    }
}

.load-more-btn svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   Toast Notification
   ======================================== */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg-glass-strong);
    border: 1px solid var(--accent);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    font-size: 14px;
    font-weight: 600;
    transform: translateX(120%);
    transition: transform var(--transition-base);
}

.toast.show {
    transform: translateX(0);
}

.toast-icon {
    font-size: 18px;
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 900;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px var(--accent-glow);
    transition: all var(--transition-base);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.scroll-top-btn svg {
    width: 22px;
    height: 22px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 48px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-brand .logo-icon {
    font-size: 28px;
}

.footer-brand .logo-text {
    font-size: 24px;
    font-weight: 900;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 360px;
    margin-top: 4px;
}

.footer-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ========================================
   Skeleton Loading
   ======================================== */
.skeleton {
    background: var(--skeleton-base);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, var(--skeleton-shine), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* ========================================
   New article highlight
   ======================================== */
.news-card.new-article {
    animation: newArticleGlow 2s ease-out;
}

@keyframes newArticleGlow {
    0% {
        box-shadow: 0 0 0 3px var(--accent), 0 0 20px var(--accent-glow);
    }

    100% {
        box-shadow: none;
    }
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    grid-column: 1 / -1;
}

.empty-state-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.empty-state-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.empty-state-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .featured-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        min-height: auto;
    }

    .featured-card:first-child {
        grid-row: auto;
        min-height: 300px;
    }

    .featured-card:not(:first-child) {
        min-height: 200px;
    }

    .featured-card-title {
        font-size: 20px !important;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .header-main-inner {
        flex-direction: column;
        gap: 12px;
    }

    .search-wrapper {
        max-width: 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }

    .footer-brand {
        align-items: center;
    }

    .footer-desc {
        text-align: center;
    }

    .section-header {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .breaking-label {
        font-size: 10px;
        padding: 3px 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .logo {
        font-size: 22px;
    }

    .section-title {
        font-size: 18px;
    }

    .footer-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 22px;
    }
}

/* ========================================
   Reading Mode Isolation
   ======================================== */
body.reading-mode #main-header,
body.reading-mode #breaking-ticker,
body.reading-mode .main-content,
body.reading-mode .footer,
body.reading-mode .scroll-top-btn {
    display: none !important;
}

/* ========================================
   Article Detail View (Immersive Reader)
   ======================================== */
.article-detail-view {
    position: relative;
    min-height: 100vh;
    padding: 0 0 80px;
    background: var(--bg-primary);
    animation: fadeIn 0.4s ease-out both;
    transition: opacity var(--transition-base), background var(--transition-base);
}

.article-detail-view.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reading Progress Bar */
.reading-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 1002;
}

.reading-progress {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    transition: width 0.1s ease-out;
}

/* Reader Sticky Header */
.reader-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
    margin-bottom: 40px;
    transition: background var(--transition-base);
}

.reader-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.reader-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.reader-back-btn:hover {
    color: var(--accent);
    transform: translateX(-3px);
}

.reader-back-btn svg {
    width: 18px;
    height: 18px;
}

.reader-logo {
    font-size: 22px !important;
}

.reader-logo .logo-icon {
    font-size: 24px !important;
}

/* Full Article Content */
.full-article {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    padding: 48px;
    max-width: 820px;
    margin: 0 auto 48px;
    transition: background var(--transition-base);
}

.article-header {
    margin-bottom: 32px;
}

.article-category-badge {
    display: inline-flex;
    padding: 0;
    background: transparent;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
}

.article-main-title {
    font-family: var(--font-serif);
    font-size: 34px;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-primary);
    margin-bottom: 18px;
    letter-spacing: -0.01em;
}

.article-meta-info {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article-source-name {
    font-weight: 700;
    color: var(--accent);
}

.meta-dot {
    color: var(--text-tertiary);
}

/* Font Controls */
.font-controls {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: var(--radius-sm);
}

.font-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.font-btn:hover {
    background: var(--accent);
    color: white;
}

/* Hero Image */
.article-hero-image-wrapper {
    position: relative;
    width: 100%;
    min-height: 280px;
    max-height: 480px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 36px;
    background: var(--skeleton-base);
}

.article-hero-image-wrapper img {
    width: 100%;
    height: 100%;
    max-height: 480px;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.article-hero-image-wrapper img.loaded {
    opacity: 1;
}

.image-shimmer {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--skeleton-base) 0%, var(--skeleton-shine) 50%, var(--skeleton-base) 100%);
    background-size: 200% 100%;
    animation: shimmerSlide 1.6s infinite;
    pointer-events: none;
}

@keyframes shimmerSlide {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* Skeleton Loading cho chi tiết bài viết */
.article-skeleton-container {
    padding: 12px 0 24px;
    transition: opacity 0.25s ease;
}

.skeleton-shimmer-bar {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    color: var(--text-secondary);
    font-style: italic;
}

.pulse-dot-sync {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulseSync 1.5s infinite;
}

@keyframes pulseSync {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.6);
        opacity: 0.6;
    }

    70% {
        box-shadow: 0 0 0 8px rgba(99, 102, 241, 0);
        opacity: 1;
    }

    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
        opacity: 0.6;
    }
}

.skeleton-paragraph {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 24px;
}

.skeleton-line {
    height: 15px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--skeleton-base) 0%, var(--skeleton-shine) 50%, var(--skeleton-base) 100%);
    background-size: 200% 100%;
    animation: shimmerSlide 1.6s infinite;
}

.skeleton-line.full {
    width: 100%;
}

.skeleton-line.long {
    width: 88%;
}

.skeleton-line.medium {
    width: 65%;
}

.skeleton-image-box {
    width: 100%;
    height: 240px;
    border-radius: var(--radius-md);
    margin: 24px 0;
    background: linear-gradient(90deg, var(--skeleton-base) 0%, var(--skeleton-shine) 50%, var(--skeleton-base) 100%);
    background-size: 200% 100%;
    animation: shimmerSlide 1.6s infinite;
}

/* Rich Content Body */
.article-rich-content {
    font-family: var(--font-article);
    font-size: var(--reading-font-size, 1.08em);
    line-height: 1.85;
    color: var(--text-primary);
    letter-spacing: -0.003em;
}

.article-lead-p {
    font-family: var(--font-sans) !important;
    font-size: 1.08em !important;
    font-weight: 500 !important;
    color: var(--text-primary) !important;
    line-height: 1.65 !important;
    margin-bottom: 24px !important;
    padding-left: 0 !important;
    border-left: none !important;
    letter-spacing: 0;
}

.article-rich-content p {
    margin-bottom: 22px;
}


.article-content-body p:first-child {
    font-family: var(--font-sans);
    font-size: 1.08em;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.65;
}


.article-rich-content img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: var(--radius-md);
    margin: 24px auto 8px;
    display: block;
    box-shadow: var(--card-shadow);
}

.article-rich-content figcaption,
.article-rich-content .caption,
.article-rich-content .pCaption,
.article-rich-content .PhotoCMS_Caption {
    display: block;
    text-align: center;
    font-family: var(--font-sans);
    font-size: 0.88em;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 24px;
    margin-top: 6px;
    line-height: 1.5;
}

/* ========================================
   Cụm ảnh đôi, ảnh bộ nằm ngang (Multi-Photo Side-by-Side Layout)
   ======================================== */
.article-rich-content figure {
    margin: 24px 0;
    max-width: 100%;
}

.article-photo-album {
    margin: 28px 0 !important;
    width: 100% !important;
    display: block !important;
    clear: both !important;
}

.article-photo-row,
.article-rich-content .grid-row,
.article-rich-content .photo-grid,
.article-rich-content .layout-row {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    /* Tuyệt đối không cho phép rớt dòng */
    align-items: stretch !important;
    justify-content: space-between !important;
    gap: 8px !important;
    width: 100% !important;
    margin: 0 !important;
    box-sizing: border-box !important;
}

.article-photo-row>figure,
.article-photo-row>.article-photo-item,
.article-photo-row>div,
.grid-row>figure,
.grid-row>.media-item {
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    width: auto !important;
    /* Ghi đè width inline của báo cũ để flexbox tự chia tỷ lệ hoàn hảo */
    min-width: 0 !important;
    flex: 1 1 0;
    box-sizing: border-box !important;
}

.article-photo-row img,
.grid-row img,
.article-photo-item img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    object-fit: cover !important;
    display: block !important;
    margin: 0 !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--card-shadow) !important;
}

.article-photo-caption,
.article-photo-album figcaption,
.article-photo-row+figcaption,
.grid-row+figcaption {
    display: block !important;
    width: 100% !important;
    text-align: center !important;
    margin-top: 10px !important;
    margin-bottom: 24px !important;
    padding: 0 16px !important;
    box-sizing: border-box !important;
    clear: both !important;
}

.article-photo-caption p,
.article-photo-album figcaption p,
.article-rich-content figcaption p,
.article-photo-caption .caption-text {
    font-size: 0.88em !important;
    font-style: italic !important;
    color: var(--text-secondary) !important;
    line-height: 1.5 !important;
    margin: 0 !important;
    text-align: center !important;
}

.article-photo-caption .caption-author,
.article-photo-album .caption-author,
.article-photo-album .PhotoCMS_Author,
.article-rich-content .PhotoCMS_Author {
    display: block !important;
    width: 100% !important;
    text-align: center !important;
    font-size: 0.82em !important;
    font-style: italic !important;
    color: var(--text-tertiary) !important;
    margin-top: 4px !important;
    margin-bottom: 0 !important;
    line-height: 1.4 !important;
}

/* Đảm bảo toàn bộ ảnh nằm trong thân bài viết luôn được hiển thị đầy đủ */
.article-lead-img-duplicate {
    display: block !important;
}

.article-video-wrapper {
    position: relative;
    width: 100%;
    margin: 24px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
    box-shadow: var(--card-shadow);
}

.article-video-wrapper video {
    width: 100%;
    max-height: 80vh;
    display: block;
    margin: 0 !important;
    background: #000;
    object-fit: contain;
}

.article-video-wrapper iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
    display: block;
    margin: 0 !important;
}

.article-rich-content iframe,
.article-rich-content video {
    max-width: 100% !important;
    border-radius: var(--radius-md);
    margin: 24px 0;
    display: block;
    aspect-ratio: 16 / 9;
    width: 100%;
    border: none;
    box-shadow: var(--card-shadow);
}

.article-source-link-wrapper {
    margin-top: 36px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
    font-size: 0.95em;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-source-link-wrapper a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.article-source-link-wrapper a:hover {
    color: var(--accent-light);
}

/* Body Content */
.article-content-body {
    font-family: var(--font-article);
    font-size: var(--reading-font-size, 17px);
    line-height: 1.8;
    color: var(--text-primary);
    transition: font-size 0.2s ease;
    letter-spacing: -0.003em;
}

.article-content-body p {
    margin-bottom: 22px;
    font-weight: 400;
}

.article-content-body h2,
.article-content-body h3 {
    font-family: var(--font-sans);
    font-weight: 800;
    margin: 40px 0 16px;
    line-height: 1.3;
}

.article-content-body h2 {
    font-size: 1.35em;
    border-left: 4px solid var(--accent);
    padding-left: 12px;
}

.article-content-body h3 {
    font-size: 1.15em;
}

/* Khung tóm tắt, thông tin bổ sung, hồ sơ nhân vật (Callout Box / Brief Info) */
.article-callout-box,
.article-rich-content .box_brief_info,
.article-rich-content .box-info,
.article-rich-content .box-summary,
.article-content-body blockquote {
    margin: 28px 0 !important;
    padding: 18px 24px !important;
    background: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    border-left: 4px solid var(--accent) !important;
    border-radius: var(--radius-md) !important;
    font-size: 0.95em !important;
    line-height: 1.7 !important;
    color: var(--text-secondary) !important;
    box-shadow: var(--card-shadow) !important;
    box-sizing: border-box !important;
    position: relative !important;
}

[data-theme="dark"] .article-callout-box,
[data-theme="dark"] .article-rich-content .box_brief_info,
[data-theme="dark"] .article-rich-content .box-info,
[data-theme="dark"] .article-rich-content .box-summary {
    background: rgba(255, 255, 255, 0.04) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    border-left-color: var(--accent) !important;
}

.article-callout-box p,
.article-rich-content .box_brief_info p,
.article-rich-content .box-info p,
.article-rich-content .box-summary p,
.article-content-body blockquote p {
    margin-bottom: 0 !important;
    font-size: inherit !important;
    line-height: inherit !important;
    color: inherit !important;
}

.article-callout-box p+p,
.article-rich-content .box_brief_info p+p,
.article-rich-content .box-info p+p {
    margin-top: 10px !important;
}

.article-callout-box strong,
.article-callout-box b,
.article-rich-content .box_brief_info strong {
    color: var(--text-primary) !important;
}

/* Share Footer */
.article-footer-actions {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.share-title {
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
}

.share-buttons {
    display: flex;
    gap: 8px;
}

.share-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.share-btn.fb {
    background: #1877f2;
    color: white;
}

.share-btn.tw {
    background: #1da1f2;
    color: white;
}

.share-btn.copy {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.share-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Related section */
.related-section {
    max-width: 820px;
    margin: 0 auto;
}

.related-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.related-title::before {
    content: '✨';
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Responsive adjustment for reading mode */
@media (max-width: 860px) {
    .full-article {
        padding: 32px 24px;
        border-radius: var(--radius-md);
    }

    .article-main-title {
        font-size: 30px;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .article-meta-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .font-controls {
        margin-left: 0;
        margin-top: 8px;
    }

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

    .article-main-title {
        font-size: 24px;
    }
}