:root {
    --primary: #006233;
    --primary-dark: #004d28;
    --secondary: #D21034;
    --accent: #1a73e8;
    --bg: #f4f5f7;
    --bg-white: #ffffff;
    --text-dark: #1a1a2e;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --article-bg: #0f172a;
}

body.dark-mode {
    --bg: #0f172a;
    --bg-white: #1e293b;
    --text-dark: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', 'Cairo', sans-serif;
    background: var(--bg);
    color: var(--text-dark);
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}

a { text-decoration: none; color: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

.reading-progress {
    position: fixed; top: 0; left: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    z-index: 1001; width: 0%; transition: width 0.1s;
}

.top-bar { background: var(--text-dark); color: #fff; padding: 8px 0; font-size: 0.8rem; }
body.dark-mode .top-bar { background: #020617; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-left { display: flex; align-items: center; gap: 15px; }
.top-bar-left i { color: var(--secondary); margin-right: 5px; }
.top-bar-right { display: flex; gap: 10px; }
.top-bar-right a { color: #fff; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: rgba(255,255,255,0.1); transition: var(--transition); }
.top-bar-right a:hover { background: var(--secondary); transform: translateY(-2px); }

.header { background: var(--bg-white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; }
.header-content { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.logo-icon { width: 48px; height: 48px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 900; font-size: 1.4rem; }
.logo-text h1 { font-size: 1.5rem; font-weight: 800; line-height: 1.1; }
.logo-text h1 span { color: var(--secondary); }
.logo-text p { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.main-nav ul { display: flex; list-style: none; gap: 5px; }
.main-nav a { padding: 8px 14px; border-radius: 6px; font-weight: 500; font-size: 0.85rem; transition: var(--transition); }
.main-nav a:hover, .main-nav a.active { background: var(--primary); color: #fff; }

.header-actions { display: flex; align-items: center; gap: 15px; }
.theme-toggle {
    background: var(--bg); border: 1px solid var(--border); width: 36px; height: 36px;
    border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); transition: var(--transition); font-size: 1rem;
}
.theme-toggle:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.search-box {
    display: flex; align-items: center; background: var(--bg); border-radius: 50px;
    padding: 0 15px; width: 220px; border: 1px solid var(--border); transition: var(--transition);
}
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(0,98,51,0.1); }
.search-box input { border: none; background: transparent; padding: 10px 5px; width: 100%; outline: none; font-size: 0.9rem; color: var(--text-dark); }
.search-icon { color: var(--text-muted); font-size: 0.9rem; }

.breaking-news { background: linear-gradient(135deg, var(--secondary), #b00d2b); color: #fff; padding: 10px 0; overflow: hidden; }
.breaking-news .container { display: flex; align-items: center; gap: 15px; }
.breaking-label { background: #fff; color: var(--secondary); padding: 4px 12px; border-radius: 4px; font-weight: 700; font-size: 0.75rem; text-transform: uppercase; white-space: nowrap; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }
.breaking-ticker { overflow: hidden; flex: 1; }
.ticker-track { display: flex; animation: ticker 40s linear infinite; white-space: nowrap; }
.ticker-track:hover { animation-play-state: paused; }
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.ticker-item { padding: 0 30px; font-size: 0.85rem; font-weight: 500; }
.ticker-item::before { content: '•'; margin-right: 8px; color: rgba(255,255,255,0.5); }

.hero-section { padding: 30px 0; transition: opacity 0.3s ease; }
.hero-section.hidden { display: none; }
.hero-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; height: 520px; }
.hero-main { position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer; box-shadow: var(--shadow-md); height: 100%; }
.hero-main img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.hero-main:hover img { transform: scale(1.03); }
.hero-side-card { display: grid; grid-template-rows: 1fr 1fr; gap: 20px; height: 100%; }
.hero-side-card > div { position: relative; border-radius: var(--radius); overflow: hidden; cursor: pointer; box-shadow: var(--shadow-md); height: 100%; }
.hero-side-card > div img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.hero-side-card > div:hover img { transform: scale(1.03); }
.hero-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 25px 20px 20px; background: linear-gradient(transparent, rgba(0,0,0,0.9)); color: #fff; }
.category-tag { background: var(--secondary); color: #fff; padding: 4px 10px; border-radius: 4px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; display: inline-block; margin-bottom: 8px; }
.tag-algerie { background: #1a73e8; }
.tag-telecoms { background: var(--primary); }
.tag-mobile { background: #f59e0b; }
.tag-startups { background: #8b5cf6; }
.tag-innovation { background: #10b981; }
.hero-overlay h2 { font-size: 1.8rem; font-weight: 800; line-height: 1.2; margin-bottom: 8px; }
.hero-side-card .hero-overlay h2 { font-size: 1.1rem; }
.hero-overlay p { font-size: 0.95rem; opacity: 0.9; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.content-layout { display: grid; grid-template-columns: 1fr 320px; gap: 30px; padding: 30px 20px; }
.news-column { min-width: 0; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; padding-bottom: 15px; border-bottom: 2px solid var(--border); flex-wrap: wrap; gap: 15px; }
.section-title { font-size: 1.4rem; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.section-title::before { content: ''; width: 4px; height: 28px; background: linear-gradient(to bottom, var(--primary), var(--secondary)); border-radius: 2px; }
.section-title .icon { width: 36px; height: 36px; background: var(--bg); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--primary); }

.tag-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.tag-filter { padding: 6px 14px; background: var(--bg-white); border: 1px solid var(--border); border-radius: 20px; font-size: 0.8rem; cursor: pointer; transition: var(--transition); }
.tag-filter:hover, .tag-filter.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); cursor: pointer; opacity: 0; transform: translateY(20px); animation: fadeInUp 0.5s forwards; }
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.news-card-img { position: relative; height: 200px; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-card-img img { transform: scale(1.08); }
.news-card-body { padding: 20px; }
.news-card-body h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.4; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-body p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.75rem; color: var(--text-light); padding-top: 12px; border-top: 1px solid var(--border); }

.pagination { display: flex; justify-content: center; gap: 8px; margin: 30px 0; }
.pagination button { padding: 10px 16px; background: var(--bg-white); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-weight: 600; transition: var(--transition); color: var(--text-dark); }
.pagination button:hover, .pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.load-more-btn { display: block; margin: 0 auto 40px; padding: 12px 28px; background: var(--primary); color: #fff; border: none; border-radius: 30px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: var(--transition); }
.load-more-btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.load-more-btn.hidden { display: none; }

.sidebar { display: flex; flex-direction: column; gap: 25px; }
.sidebar-widget { background: var(--bg-white); padding: 25px; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.widget-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; color: var(--text-dark); }
.widget-title i { color: var(--secondary); }
.trending-list { list-style: none; }
.trending-item { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); cursor: pointer; transition: var(--transition); }
.trending-item:last-child { border-bottom: none; }
.trending-item:hover { padding-left: 5px; }
.trending-number { font-size: 1.5rem; font-weight: 900; color: var(--border); line-height: 1; min-width: 30px; }
.trending-item:hover .trending-number { color: var(--secondary); }
.trending-content h4 { font-size: 0.85rem; font-weight: 600; line-height: 1.4; margin-bottom: 4px; }
.trending-content span { font-size: 0.7rem; color: var(--text-light); }

.newsletter-widget { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; }
.newsletter-widget .widget-title { color: #fff; }
.newsletter-widget .widget-title i { color: #fbbf24; }
.newsletter-widget p { font-size: 0.85rem; opacity: 0.9; margin-bottom: 15px; }
.newsletter-form { display: flex; flex-direction: column; gap: 10px; }
.newsletter-form input { padding: 12px; border: none; border-radius: 6px; font-size: 0.9rem; outline: none; }
.newsletter-form button { padding: 12px; background: var(--secondary); color: #fff; border: none; border-radius: 6px; font-weight: 700; cursor: pointer; transition: var(--transition); }
.newsletter-form button:hover { background: #fff; color: var(--secondary); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud-item { padding: 6px 12px; background: var(--bg); border-radius: 20px; font-size: 0.8rem; cursor: pointer; transition: var(--transition); border: 1px solid var(--border); }
.tag-cloud-item:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.stats-bar { padding: 40px 0; background: var(--bg-white); border-top: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { text-align: center; padding: 20px; border-radius: var(--radius); transition: var(--transition); }
.stat-card:hover { transform: translateY(-3px); }
.stat-icon { width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 15px; font-size: 1.5rem; }
.stat-icon.green { background: rgba(0,98,51,0.1); color: var(--primary); }
.stat-icon.red { background: rgba(210,16,52,0.1); color: var(--secondary); }
.stat-icon.blue { background: rgba(26,115,232,0.1); color: var(--accent); }
.stat-icon.yellow { background: rgba(245,158,11,0.1); color: #f59e0b; }
.stat-number { font-size: 2.2rem; font-weight: 900; color: var(--text-dark); line-height: 1; margin-bottom: 5px; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }

.article-page { background: var(--article-bg); min-height: 100vh; padding: 60px 0 100px; }
.back-btn { background: var(--secondary); color: #fff; border: none; padding: 10px 20px; border-radius: 6px; cursor: pointer; font-size: 0.9rem; font-weight: 600; margin-bottom: 30px; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); }
.back-btn:hover { background: #b00d2b; transform: translateX(-5px); }
.article-content { background: var(--bg-white); max-width: 800px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.article-content img { width: 100%; max-height: 500px; object-fit: cover; }
.article-body { padding: 40px; }
.article-meta { display: flex; gap: 15px; margin-bottom: 25px; padding-bottom: 20px; border-bottom: 2px solid var(--border); font-size: 0.9rem; color: var(--text-muted); flex-wrap: wrap; align-items: center; }
.article-meta span { display: flex; align-items: center; gap: 6px; }
.reading-time { background: var(--bg); padding: 4px 10px; border-radius: 4px; font-size: 0.8rem; color: var(--text-dark); }
.article-body h1 { font-size: 2.2rem; font-weight: 800; line-height: 1.3; margin-bottom: 20px; color: var(--text-dark); }
.article-body h2 { font-size: 1.5rem; color: var(--primary); margin: 30px 0 15px; border-left: 4px solid var(--secondary); padding-left: 15px; }
.article-body p { font-size: 1.1rem; line-height: 1.8; color: #333; margin-bottom: 20px; }

.share-buttons { display: flex; gap: 10px; margin: 30px 0; padding: 20px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.share-btn { flex: 1; min-width: 120px; padding: 12px; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 8px; transition: var(--transition); color: #fff; }
.share-btn.facebook { background: #1877f2; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.whatsapp { background: #25d366; }
.share-btn.linkedin { background: #0077b5; }
.share-btn.copy { background: var(--bg); color: var(--text-dark); }
.share-btn:hover { transform: translateY(-2px); opacity: 0.9; }

.related-articles { max-width: 800px; margin: 50px auto 0; }
.related-articles h3 { font-size: 1.5rem; margin-bottom: 25px; color: #fff; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); cursor: pointer; transition: var(--transition); }
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.related-card img { width: 100%; height: 150px; object-fit: cover; }
.related-card h4 { padding: 15px; font-size: 0.9rem; font-weight: 600; color: var(--text-dark); }

.footer { background: #111; color: #fff; padding: 50px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-about p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: #fff; transition: var(--transition); }
.footer-social a:hover { background: var(--secondary); transform: translateY(-3px); }
.footer h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 25px; color: #fff; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); display: flex; align-items: center; gap: 8px; cursor: pointer; }
.footer-links a:hover { color: #fff; padding-left: 5px; }
.footer-links a i { font-size: 0.7rem; color: var(--secondary); }
.footer-bottom { padding-top: 25px; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.3); }

.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background: var(--primary); color: #fff; border: none; border-radius: 50%; cursor: pointer; font-size: 1.2rem; display: none; align-items: center; justify-content: center; box-shadow: var(--shadow-md); transition: var(--transition); z-index: 99; }
.back-to-top.visible { display: flex; }
.back-to-top:hover { background: var(--secondary); transform: translateY(-3px); }

.loading-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--bg-white); z-index: 9999; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 20px; transition: opacity 0.5s ease; }
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loader { width: 50px; height: 50px; border: 4px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-weight: 700; color: var(--text-dark); font-size: 1.1rem; }

.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(100px); background: var(--text-dark); color: #fff; padding: 12px 24px; border-radius: 8px; font-size: 0.9rem; z-index: 3000; opacity: 0; transition: all 0.3s; }
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

@media (max-width: 1024px) {
    .content-layout { grid-template-columns: 1fr; }
    .hero-grid { grid-template-columns: 1fr; height: auto; }
    .hero-main { height: 350px; }
    .hero-side-card { grid-template-columns: 1fr 1fr; height: 200px; }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .main-nav { display: none; }
}
@media (max-width: 768px) {
    .top-bar { display: none; }
    .hero-side-card { grid-template-columns: 1fr; height: auto; }
    .hero-side-card > div { height: 200px; }
    .news-grid { grid-template-columns: 1fr; }
    .share-buttons { flex-direction: column; }
    .share-btn { width: 100%; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .article-body { padding: 25px; }
    .article-body h1 { font-size: 1.6rem; }
}