:root {
            --primary: #FFD700;
            --secondary: #C5A059;
            --accent: #E63946;
            --highlight: #FFCC00;
            --bg-main: #0F0F0F;
            --bg-secondary: #1A1A1A;
            --bg-surface: #242424;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #808080;
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { 
            background-color: var(--bg-main); 
            color: var(--text-primary); 
            font-family: var(--font-primary); 
            line-height: 1.5; 
            -webkit-font-smoothing: antialiased;
        }
        header { 
            background-color: var(--bg-secondary); 
            border-bottom: 2px solid var(--border-strong); 
            padding: 10px 20px; 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            position: sticky; 
            top: 0; 
            z-index: 1000; 
        }
        header .logo-section { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; border-radius: 50%; }
        header strong { font-size: 16px; font-weight: 400; }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 5px 15px; cursor: pointer; border-radius: 4px; font-family: var(--font-primary); transition: 0.3s; }
        .btn-register { background: var(--primary); border: 1px solid var(--primary); color: var(--bg-main); padding: 5px 15px; cursor: pointer; border-radius: 4px; font-family: var(--font-primary); font-weight: 600; transition: 0.3s; }
        .btn-login:hover, .btn-register:hover { opacity: 0.8; }
        main { padding: 0 15px 80px 15px; max-width: 1200px; margin: 0 auto; }
        .banner-container { margin: 15px 0; cursor: pointer; }
        .banner-container img { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 12px; display: block; }
        .reward-section { 
            background: linear-gradient(135deg, var(--bg-surface), var(--bg-secondary)); 
            padding: 30px 20px; 
            border-radius: 16px; 
            text-align: center; 
            margin: 20px 0; 
            border: 1px solid var(--border-medium); 
        }
        .reward-section h2 { color: var(--primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-main-reward { 
            background: var(--primary); 
            color: var(--bg-main); 
            padding: 15px 40px; 
            font-size: 20px; 
            font-weight: bold; 
            border: none; 
            border-radius: 50px; 
            cursor: pointer; 
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3); 
        }
        .intro-card { 
            background: var(--bg-surface); 
            padding: 25px; 
            border-radius: 16px; 
            margin: 20px 0; 
            border-left: 5px solid var(--primary); 
        }
        .intro-card h1 { font-size: 30px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { font-size: 24px; color: var(--primary); margin: 30px 0 20px; text-align: center; }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: 12px; 
            overflow: hidden; 
            text-decoration: none; 
            border: 1px solid var(--border-light); 
            transition: transform 0.2s; 
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { padding: 10px; font-size: 16px; color: var(--text-primary); text-align: center; font-weight: 500; }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin: 20px 0; 
        }
        .payment-item { 
            background: var(--bg-surface); 
            padding: 15px 5px; 
            text-align: center; 
            border-radius: 8px; 
            font-size: 12px; 
            color: var(--text-secondary); 
            border: 1px solid var(--border-light); 
        }
        .payment-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 5px; }
        .guidelines-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            margin: 20px 0; 
        }
        .guide-card { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-light); }
        .guide-card h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
        .guide-card p { color: var(--text-secondary); font-size: 14px; }
        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            margin: 20px 0; 
        }
        .review-card { background: var(--bg-surface); padding: 20px; border-radius: 12px; border: 1px solid var(--border-medium); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--primary); }
        .review-user { font-weight: bold; color: var(--text-primary); }
        .review-stars { color: var(--highlight); font-size: 14px; margin-left: 10px; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); display: block; }
        .lottery-table { 
            width: 100%; 
            border-collapse: collapse; 
            background: var(--bg-surface); 
            border-radius: 12px; 
            overflow: hidden; 
            margin: 20px 0; 
            font-size: 14px; 
        }
        .lottery-table th, .lottery-table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border-light); }
        .lottery-table th { background: var(--bg-secondary); color: var(--primary); }
        .lottery-win { color: var(--success); font-weight: bold; }
        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin: 20px 0; 
        }
        .provider-box { 
            background: linear-gradient(45deg, var(--bg-surface), var(--bg-secondary)); 
            padding: 15px; 
            text-align: center; 
            border-radius: 8px; 
            font-weight: bold; 
            color: var(--primary); 
            border: 1px solid var(--border-medium); 
        }
        .faq-section { margin: 30px 0; }
        .faq-item { background: var(--bg-surface); padding: 20px; border-radius: 12px; margin-bottom: 15px; border: 1px solid var(--border-light); }
        .faq-item h3 { color: var(--primary); font-size: 18px; margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 14px; }
        .security-section { 
            background: var(--bg-secondary); 
            padding: 25px; 
            border-radius: 16px; 
            text-align: center; 
            margin: 30px 0; 
            border: 1px dashed var(--primary); 
        }
        .security-section i { font-size: 40px; color: var(--success); margin-bottom: 15px; }
        .security-section p { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .security-links { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }
        .security-links a { color: var(--primary); text-decoration: none; font-size: 13px; }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-secondary); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding: 10px 0; 
            border-top: 2px solid var(--border-strong); 
            z-index: 2000; 
            box-shadow: 0 -5px 20px rgba(0,0,0,0.5); 
        }
        .nav-item { text-decoration: none; color: var(--text-secondary); text-align: center; font-size: 12px; display: flex; flex-direction: column; gap: 5px; }
        .nav-item i { font-size: 20px; color: var(--primary); }
        footer { 
            background: var(--bg-secondary); 
            padding: 40px 20px 100px 20px; 
            border-top: 1px solid var(--border-light); 
        }
        .footer-contact { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 20px; margin-bottom: 30px; color: var(--text-secondary); }
        .footer-contact a { color: var(--primary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; transition: 0.3s; }
        .footer-links a:hover { color: var(--primary); }
        .footer-copy { text-align: center; color: var(--text-muted); font-size: 12px; border-top: 1px solid var(--border-light); padding-top: 20px; }
        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .guidelines-grid { grid-template-columns: repeat(3, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
        }