:root {
            --bg-primary: #0D1117;
            --bg-secondary: #161B22;
            --bg-surface: #21262D;
            --brand-primary: #FFD700;
            --brand-secondary: #FFA500;
            --brand-accent: #00C853;
            --brand-gradient: linear-gradient(180deg, #FFD700 0%, #B8860B 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #B0B3B8;
            --text-muted: #6E7681;
            --text-highlight: #FFD700;
            --border-default: #30363D;
            --border-active: #FFD700;
            --radius: 12px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Hind Siliguri', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }
        h1, h2, h3 { font-family: 'Tiro Bangla', serif; color: var(--text-highlight); }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }

        header {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-default);
            padding: 10px 15px;
            position: sticky;
            top: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo-box { display: flex; align-items: center; gap: 8px; }
        .logo-box img { width: 25px; height: 25px; }
        .logo-box strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        .auth-buttons { display: flex; gap: 10px; }
        .btn {
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            border: none;
            transition: opacity 0.3s;
        }
        .btn-login { background: var(--bg-surface); color: var(--text-primary); border: 1px solid var(--border-default); }
        .btn-register { background: var(--brand-gradient); color: #000; }

        .hero-banner { width: 100%; aspect-ratio: 2 / 1; background: var(--bg-surface); cursor: pointer; }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }

        .jackpot-container {
            background: var(--bg-secondary);
            margin: 15px;
            padding: 20px;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--brand-secondary);
            box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
        }
        .jackpot-title { font-size: 18px; color: var(--text-primary); margin-bottom: 10px; }
        #jackpot-amount { font-size: 32px; font-weight: 700; color: var(--brand-primary); font-family: monospace; }

        .intro-section { padding: 20px; text-align: center; }
        .intro-section h1 { font-size: 24px; margin-bottom: 10px; }
        .intro-section p { color: var(--text-secondary); font-size: 15px; }

        .section-title { padding: 0 20px; margin: 20px 0 10px; font-size: 20px; border-left: 4px solid var(--brand-primary); margin-left: 20px; }
        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 15px; }
        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: transform 0.2s;
        }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { font-size: 14px; padding: 8px; text-align: center; color: var(--text-primary); }

        .article-list { padding: 15px; }
        .article-card {
            display: flex;
            gap: 12px;
            background: var(--bg-secondary);
            padding: 10px;
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-default);
        }
        .article-card img { width: 80px; height: 80px; border-radius: 8px; object-fit: cover; }
        .article-info h3 { font-size: 15px; margin-bottom: 5px; line-height: 1.3; }
        .article-info p { font-size: 12px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 15px; }
        .payment-item {
            background: var(--bg-surface);
            padding: 10px;
            text-align: center;
            border-radius: 8px;
            font-size: 11px;
            border: 1px solid var(--border-default);
        }
        .payment-item i { font-size: 20px; color: var(--brand-primary); margin-bottom: 5px; display: block; }

        .lottery-box {
            height: 300px;
            overflow: hidden;
            background: var(--bg-secondary);
            margin: 15px;
            border-radius: var(--radius);
            border: 1px solid var(--border-default);
            position: relative;
        }
        .lottery-track { animation: scrollUp 40s linear infinite; }
        .lottery-item {
            padding: 12px;
            border-bottom: 1px solid var(--border-subtle);
            display: flex;
            justify-content: space-between;
            font-size: 13px;
        }
        @keyframes scrollUp { 0% { transform: translateY(0); } 100% { transform: translateY(-50%); } }

        .providers-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 15px; }
        .provider-block { background: var(--bg-surface); padding: 15px; text-align: center; border-radius: 8px; font-weight: 600; border-bottom: 2px solid var(--brand-secondary); }

        .review-card {
            background: var(--bg-secondary);
            margin: 15px;
            padding: 15px;
            border-radius: var(--radius);
            border-left: 4px solid var(--brand-accent);
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--text-secondary); }
        .stars { color: var(--brand-primary); font-size: 12px; }
        .review-content { font-size: 14px; color: var(--text-secondary); }
        .review-date { font-size: 11px; color: var(--text-muted); margin-top: 5px; }

        .faq-section { padding: 15px; }
        .faq-item { background: var(--bg-surface); margin-bottom: 10px; border-radius: 8px; padding: 15px; border: 1px solid var(--border-default); }
        .faq-item h3 { font-size: 16px; margin-bottom: 10px; color: var(--brand-primary); }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .security-section {
            background: #1a1d24;
            margin: 15px;
            padding: 20px;
            border-radius: var(--radius);
            text-align: center;
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 24px; color: var(--brand-accent); }
        .responsibility-text { font-size: 13px; color: var(--text-secondary); }
        .age-badge { display: inline-block; border: 2px solid #ff5252; color: #ff5252; padding: 2px 8px; border-radius: 50%; font-weight: bold; margin: 10px 0; }

        .navigator {
            position: fixed;
            bottom: 0;
            width: 100%;
            background: var(--bg-secondary);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-default);
            z-index: 1000;
        }
        .nav-item { text-align: center; font-size: 12px; color: var(--text-secondary); flex: 1; }
        .nav-item i { font-size: 18px; display: block; margin-bottom: 3px; color: var(--brand-primary); }

        footer { background: var(--bg-primary); padding: 20px 20px 80px; border-top: 1px solid var(--border-default); }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 20px; }
        .footer-links a { font-size: 13px; color: var(--text-muted); }
        .copyright { text-align: center; font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border-default); padding-top: 15px; }

        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .article-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        }