:root {
            --bg-primary: #0F172A;
            --bg-secondary: #1E293B;
            --bg-accent: #0F172A;
            --brand-primary: #FFD700;
            --brand-secondary: #FFC107;
            --brand-accent: #E11D48;
            --success: #22C55E;
            --error: #EF4444;
            --warning: #F59E0B;
            --info: #3B82F6;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --text-highlight: #FFD700;
            --border-light: #334155;
            --border-dark: #1E293B;
            --border-accent: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
        body { 
            background-color: var(--bg-primary); 
            color: var(--text-primary); 
            font-family: var(--font-primary); 
            line-height: 1.5; 
            overflow-x: hidden; 
        }
        header { 
            background-color: var(--bg-secondary); 
            padding: 10px 20px; 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            position: sticky; 
            top: 0; 
            z-index: 1000; 
            border-bottom: 2px solid var(--border-accent);
        }
        .header-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; }
        .header-logo img { width: 25px; height: 25px; border-radius: 50%; }
        .header-logo strong { font-size: 16px; font-weight: 400; }
        .header-auth { display: flex; gap: 10px; }
        .btn-auth { 
            padding: 6px 15px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-family: var(--font-primary); 
            font-weight: 500; 
            border: none; 
            transition: 0.3s; 
        }
        .btn-login { background: var(--border-light); color: var(--text-primary); }
        .btn-register { background: var(--brand-primary); color: var(--bg-primary); }
        main { padding: 0 0 80px 0; }
        .banner-container { width: 100%; cursor: pointer; }
        .banner-container img { 
            width: 100%; 
            aspect-ratio: 2/1; 
            object-fit: cover; 
            display: block; 
        }
        .section-card { 
            background: var(--bg-secondary); 
            margin: 15px; 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-light);
            text-align: center;
        }
        .reward-banner { 
            background: linear-gradient(45deg, #1E293B, #334155); 
            border: 2px dashed var(--brand-primary);
        }
        .reward-banner h2 { color: var(--brand-primary); margin-bottom: 10px; }
        .reward-banner p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-large { 
            background: var(--brand-accent); 
            color: white; 
            padding: 15px 30px; 
            border-radius: 10px; 
            font-size: 18px; 
            font-weight: bold; 
            border: none; 
            cursor: pointer; 
            box-shadow: 0 4px 15px rgba(225, 29, 72, 0.4);
        }
        .intro-card h1 { font-size: 42px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            padding: 0 15px; 
        }
        .game-card { 
            background: var(--bg-secondary); 
            border-radius: 12px; 
            overflow: hidden; 
            text-decoration: none; 
            border: 1px solid var(--border-dark);
            transition: transform 0.2s;
        }
        .game-card:active { transform: scale(0.95); }
        .game-card img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            display: block; 
        }
        .game-card h3 { 
            padding: 10px; 
            font-size: 14px; 
            text-align: center; 
            color: var(--text-primary); 
            white-space: nowrap; 
            overflow: hidden; 
            text-overflow: ellipsis; 
        }
        .section-title { 
            font-size: 24px; 
            color: var(--brand-primary); 
            margin: 25px 15px 15px; 
            text-align: left; 
        }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            padding: 0 15px; 
        }
        .payment-item { 
            background: var(--bg-secondary); 
            padding: 15px 5px; 
            border-radius: 10px; 
            text-align: center; 
            font-size: 12px; 
            color: var(--text-secondary); 
            border: 1px solid var(--border-light);
        }
        .payment-item i { display: block; font-size: 20px; color: var(--brand-primary); margin-bottom: 8px; }
        .guide-grid { padding: 0 15px; display: grid; gap: 15px; }
        .guide-item { 
            background: var(--bg-secondary); 
            padding: 15px; 
            border-radius: 12px; 
            border-left: 4px solid var(--brand-primary); 
        }
        .guide-item h3 { font-size: 18px; margin-bottom: 8px; color: var(--brand-secondary); }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { padding: 0 15px; display: grid; gap: 15px; }
        .review-card { 
            background: var(--bg-secondary); 
            padding: 15px; 
            border-radius: 12px; 
            border: 1px solid var(--border-light);
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--text-muted); }
        .review-user { font-weight: 600; font-size: 15px; }
        .review-stars { color: var(--brand-primary); font-size: 12px; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); text-align: right; }
        .lottery-list { padding: 0 15px; }
        .lottery-item { 
            display: flex; 
            justify-content: space-between; 
            background: var(--bg-secondary); 
            padding: 12px 15px; 
            margin-bottom: 8px; 
            border-radius: 8px; 
            font-size: 13px; 
            border: 1px solid var(--border-dark);
        }
        .lottery-user { color: var(--text-primary); }
        .lottery-game { color: var(--text-secondary); }
        .lottery-win { color: var(--brand-primary); font-weight: bold; }
        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            padding: 0 15px; 
        }
        .provider-box { 
            background: linear-gradient(135deg, var(--bg-secondary), var(--border-dark)); 
            padding: 15px; 
            border-radius: 10px; 
            text-align: center; 
            font-weight: bold; 
            color: var(--brand-primary); 
            border: 1px solid var(--border-light);
        }
        .faq-section { padding: 0 15px; display: grid; gap: 15px; }
        .faq-item { background: var(--bg-secondary); padding: 15px; border-radius: 12px; border: 1px solid var(--border-light); }
        .faq-item h3 { font-size: 16px; margin-bottom: 8px; color: var(--brand-secondary); }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }
        .security-box { 
            background: #1e293b; 
            margin: 15px; 
            padding: 20px; 
            border-radius: 15px; 
            text-align: center; 
            border: 1px solid var(--brand-accent);
        }
        .security-box i { font-size: 40px; color: var(--brand-primary); margin-bottom: 15px; }
        .security-box p { font-size: 13px; color: var(--text-secondary); margin: 10px 0; }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background: var(--bg-secondary); 
            display: flex; 
            justify-content: space-around; 
            padding: 10px 0; 
            border-top: 2px solid var(--border-accent); 
            z-index: 2000; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-secondary); 
            text-align: center; 
            font-size: 11px; 
            flex: 1; 
        }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 4px; }
        footer { 
            background-color: var(--bg-secondary); 
            padding: 30px 20px; 
            border-top: 1px solid var(--border-light); 
            color: var(--text-secondary); 
            font-size: 13px; 
        }
        .footer-contact { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 25px; }
        .footer-contact a { color: var(--brand-primary); text-decoration: none; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 25px; 
        }
        .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 12px; }
        .footer-copy { text-align: center; color: var(--text-muted); font-size: 12px; border-top: 1px solid var(--border-light); padding-top: 15px; }