/* İKÇÜ TV - Ana Stil Dosyası */
/* Modern, Mobil Uyumlu TV Kanalı Tasarımı */

:root {
    --primary: #1a56db;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent: #dc2626;
    --accent-dark: #b91c1c;
    --bg-dark: #f0f2f5;
    --bg-card: #ffffff;
    --bg-surface: #ffffff;
    --bg-hover: #f3f4f6;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #cbd5e1;
    --gradient-primary: linear-gradient(135deg, #1a56db, #7c3aed);
    --gradient-accent: linear-gradient(135deg, #dc2626, #ea580c);
    --gradient-dark: linear-gradient(180deg, #f0f2f5, #e2e8f0);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 20px rgba(26, 86, 219, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 64px;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============ TOP BAR ============ */
.top-bar {
    background: #1e293b;
    border-bottom: 1px solid var(--border);
    padding: 6px 0;
    font-size: 12px;
    color: #cbd5e1;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-date { display: flex; align-items: center; gap: 6px; }
.top-bar-social { display: flex; gap: 12px; }
.top-bar-social a { color: #cbd5e1; font-size: 13px; transition: color var(--transition); }
.top-bar-social a:hover { color: #fff; }

/* ============ HEADER ============ */
.main-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    color: #1e293b;
    white-space: nowrap;
    text-decoration: none;
}
.logo span { color: var(--primary); }
.logo .live-dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
    margin-left: 4px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

/* Navigation */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
    color: var(--primary);
    background: var(--bg-hover);
}
.main-nav a.live-btn {
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}
.main-nav a.live-btn:hover { background: var(--accent-dark); }
.main-nav a.live-btn .dot {
    width: 6px; height: 6px;
    background: #fff;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

/* Header Search */
.header-search {
    position: relative;
    width: 200px;
}
.header-search input {
    width: 100%;
    padding: 8px 14px 8px 36px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 13px;
    transition: all var(--transition);
}
.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}
.header-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 13px;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    cursor: pointer;
    padding: 8px;
}

/* ============ BREAKING NEWS TICKER ============ */
.ticker-bar {
    background: var(--accent);
    padding: 8px 0;
    overflow: hidden;
    position: relative;
}
.ticker-label {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: var(--accent-dark);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
    letter-spacing: 0.5px;
}
.ticker-label::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 0;
    border-style: solid;
    border-width: 16px 0 16px 12px;
    border-color: transparent transparent transparent var(--accent-dark);
}
.ticker-content {
    display: flex;
    animation: ticker-scroll var(--ticker-speed, 30s) linear infinite;
    padding-left: 160px;
}
.ticker-content:hover { animation-play-state: paused; }
.ticker-item {
    white-space: nowrap;
    padding: 0 30px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
}
.ticker-item a { color: #fff; }
.ticker-item a:hover { text-decoration: underline; }
.ticker-separator { color: rgba(255,255,255,0.5); padding: 0 10px; }

@keyframes ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============ HERO / LIVE PLAYER ============ */
.hero-grid-section {
    padding: 20px 0;
    background: var(--bg-dark);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 12px;
    max-width: 1320px;
    margin: 0 auto;
}
.hero-player-area {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
}
.hero-player-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    overflow: hidden;
}
.hero-player-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}
.hero-main-news {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 320px;
    overflow: hidden;
    text-decoration: none;
}
.hero-main-news img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-main-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
    padding: 40px 24px 20px;
    color: #fff;
}
.hero-main-overlay h2 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    margin: 8px 0;
}
.hero-main-overlay p {
    font-size: 13px;
    color: #cbd5e1;
    line-height: 1.5;
}
.hero-meta {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 6px;
}
.hero-news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 12px;
}
.hero-news-card {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    text-decoration: none;
    display: block;
    min-height: 0;
}
.hero-news-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.hero-news-card:hover img { transform: scale(1.05); }
.hero-news-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 30px 12px 10px;
    color: #fff;
}
.hero-news-cat {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    margin-bottom: 4px;
}
.hero-news-card-overlay h3 {
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.hero-news-meta {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 4px;
}
.player-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.9));
    padding: 40px 30px 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    pointer-events: none;
}
.player-info { pointer-events: auto; }
.player-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent);
    color: #fff;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.player-live-badge .dot {
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}
.player-title {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
}
.player-controls {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}
.player-controls button {
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    transition: background var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
.player-controls button:hover { background: rgba(255,255,255,0.3); }

/* Mini player */
.hero-player-area.mini {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 360px;
    z-index: 999;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.hero-player-area.mini .player-wrapper { aspect-ratio: 16/9; }
.hero-player-area.mini .player-overlay { display: none; }
.mini-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    background: rgba(0,0,0,0.7);
    border: none;
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    z-index: 10;
    display: none;
}
.hero-player-area.mini .mini-close { display: flex; align-items: center; justify-content: center; }

/* ============ SECTION HEADINGS ============ */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    position: relative;
}
.section-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--primary);
}
.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title i { color: var(--primary); font-size: 18px; }
.section-more {
    font-size: 13px;
    color: var(--primary-light);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}
.section-more:hover { color: var(--primary-dark); }

/* ============ MAIN LAYOUT ============ */
.main-content {
    padding: 30px 0;
}
.content-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
}

/* ============ NEWS CARDS ============ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.news-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
}

.news-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
    border: 1px solid var(--border);
}
.news-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}
.news-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}
.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}
.news-card:hover .news-card-image img {
    transform: scale(1.05);
}
.news-card-category {
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 4px;
    color: #fff;
    letter-spacing: 0.3px;
}
.news-card-video-icon {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(0,0,0,0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 14px;
}
.news-card-body { padding: 16px; }
.news-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card-title a { color: inherit; }
.news-card-title a:hover { color: var(--primary); }
.news-card-excerpt {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}
.news-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}
.news-card-meta i { margin-right: 3px; }

/* Featured large card */
.news-card.featured {
    grid-column: span 2;
}
.news-card.featured .news-card-image { aspect-ratio: 21/9; }
.news-card.featured .news-card-title { font-size: 22px; -webkit-line-clamp: 3; }
.news-card.featured .news-card-excerpt { -webkit-line-clamp: 3; }

/* Horizontal card */
.news-card.horizontal {
    display: grid;
    grid-template-columns: 200px 1fr;
}
.news-card.horizontal .news-card-image { aspect-ratio: auto; height: 100%; }

/* ============ VIDEO CARDS ============ */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.video-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
}
.video-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.video-card-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}
.video-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}
.video-card:hover .video-card-thumb img { transform: scale(1.05); }
.video-card-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    transition: all var(--transition);
}
.video-card:hover .video-card-play { background: var(--primary); transform: translate(-50%, -50%) scale(1.1); }
.video-card-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}
.video-card-body { padding: 14px; }
.video-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}
.video-card-title a { color: inherit; }
.video-card-title a:hover { color: var(--primary); }
.video-card-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* ============ SIDEBAR ============ */
.sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-widget {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 20px;
    border: 1px solid var(--border);
}
.widget-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
    position: relative;
}
.widget-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary);
}

/* Popular posts widget */
.popular-list { display: flex; flex-direction: column; gap: 14px; }
.popular-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.popular-item-number {
    min-width: 28px;
    height: 28px;
    background: var(--bg-dark);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
}
.popular-item:first-child .popular-item-number { background: var(--primary); color: #fff; }
.popular-item-content { flex: 1; }
.popular-item-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.popular-item-title a { color: inherit; }
.popular-item-title a:hover { color: var(--primary); }
.popular-item-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Social widget */
.social-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.social-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
}
.social-link:hover { transform: translateY(-2px); color: #fff; }
.social-link.facebook { background: #1877f2; }
.social-link.twitter { background: #1da1f2; }
.social-link.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.social-link.youtube { background: #ff0000; }
.social-link.tiktok { background: #010101; }

/* Category widget */
.category-list { display: flex; flex-direction: column; gap: 6px; }
.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
}
.category-item:hover { background: var(--bg-hover); color: var(--primary); }
.category-item-name { display: flex; align-items: center; gap: 8px; }
.category-item-name i { font-size: 12px; width: 16px; text-align: center; }
.category-item-count {
    background: var(--bg-dark);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    color: var(--text-muted);
}

/* Banner widget */
.sidebar-banner img { border-radius: var(--radius-sm); width: 100%; }

/* ============ BANNER BETWEEN SECTIONS ============ */
.banner-section {
    padding: 20px 0;
    text-align: center;
}
.banner-section img {
    border-radius: var(--radius-sm);
    max-width: 728px;
    width: 100%;
    margin: 0 auto;
}

/* ============ POST DETAIL ============ */
.post-detail { max-width: 860px; }
.post-detail-header { margin-bottom: 24px; }
.post-detail-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 4px;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.post-detail-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 12px;
}
.post-detail-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.post-detail-meta i { margin-right: 4px; }
.post-detail-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 24px;
}
.post-detail-image img { width: 100%; }
.post-detail-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
}
.post-detail-content p { margin-bottom: 16px; }
.post-detail-content h2, .post-detail-content h3 {
    color: var(--text-primary);
    margin: 24px 0 12px;
}
.post-detail-tags {
    margin-top: 24px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.post-detail-tags a {
    padding: 4px 12px;
    background: var(--bg-hover);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-secondary);
}
.post-detail-tags a:hover { color: #fff; background: var(--primary); }

/* ============ FOOTER ============ */
.main-footer {
    background: #1e293b;
    border-top: 1px solid var(--border);
    padding: 40px 0 0;
    margin-top: 40px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 30px;
}
.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p {
    color: #cbd5e1;
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 16px;
}
.footer-heading {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
    color: #cbd5e1;
    font-size: 13px;
    transition: color var(--transition);
}
.footer-links a:hover { color: #fff; }
.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #cbd5e1;
    font-size: 13px;
    margin-bottom: 10px;
}
.footer-contact-item i { color: #93c5fd; margin-top: 3px; width: 16px; }
.footer-bottom {
    border-top: 1px solid #334155;
    padding: 16px 0;
    text-align: center;
    font-size: 12px;
    color: #94a3b8;
}

/* ============ PAGINATION ============ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 30px;
}
.pagination a, .pagination span {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
}
.pagination a {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.pagination a:hover { background: var(--bg-hover); color: var(--primary); }
.pagination span.current {
    background: var(--primary);
    color: #fff;
}

/* ============ SEARCH PAGE ============ */
.search-box {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 30px;
    border: 1px solid var(--border);
}
.search-box form { display: flex; gap: 12px; }
.search-box input {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 15px;
}
.search-box input:focus { outline: none; border-color: var(--primary); }
.search-box button {
    padding: 12px 24px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    cursor: pointer;
    transition: background var(--transition);
}
.search-box button:hover { background: var(--primary-dark); }

/* ============ CATEGORY HEADER ============ */
.category-header {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 30px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
}
.category-header-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
}
.category-header h1 { font-size: 24px; font-weight: 700; color: var(--text-primary); }
.category-header p { color: var(--text-secondary); font-size: 14px; margin-top: 4px; }

/* ============ BACK TO TOP ============ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 18px;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 800;
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
}
.back-to-top.visible { display: flex; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    .sidebar { order: 2; }
    .video-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-news-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .header-inner { padding: 0 10px; }
    .main-nav { display: none; }
    .header-search { display: none; }
    .mobile-toggle { display: block; }

    /* Mobile Nav */
    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: #fff;
        padding: 20px;
        z-index: 999;
        overflow-y: auto;
        gap: 4px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    }
    .main-nav.open a { padding: 12px 16px; font-size: 16px; }

    .news-grid { grid-template-columns: 1fr; }
    .news-card.featured { grid-column: span 1; }
    .news-card.horizontal { grid-template-columns: 1fr; }
    .video-grid { grid-template-columns: 1fr; }

    .post-detail-title { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr; }

    .container { padding: 0 14px; }

    .category-header { flex-direction: column; text-align: center; }
    .search-box form { flex-direction: column; }
    
    .hero-grid { grid-template-columns: 1fr; }
    .hero-news-grid { grid-template-columns: 1fr 1fr; }
    .hero-news-card { min-height: 140px; }
}

@media (max-width: 480px) {
    .logo { font-size: 20px; }
    .section-title { font-size: 17px; }
    .news-card-title { font-size: 15px; }
    .popular-item-title { font-size: 12px; }
    .social-links { grid-template-columns: 1fr; }
}

/* ============ LOADING STATE ============ */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.loading-spinner::after {
    content: '';
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ NO RESULTS ============ */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.no-results i { font-size: 48px; margin-bottom: 16px; display: block; }
.no-results p { font-size: 16px; }