:root {
            --bg-primary: #0F172A;
            --bg-secondary: #1E293B;
            --bg-accent: #0F172A;
            --brand-primary: #FFD700;
            --brand-secondary: #C5A000;
            --brand-highlight: #FF4D00;
            --success: #10B981;
            --warning: #F59E0B;
            --error: #EF4444;
            --info: #3B82F6;
            --text-main: #FFFFFF;
            --text-muted: #94A3B8;
            --text-inverse: #0F172A;
            --border-light: #334155;
            --border-strong: #475569;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { 
            background-color: var(--bg-primary); 
            color: var(--text-main); 
            font-family: var(--font-primary); 
            line-height: 1.5; 
            padding-bottom: 80px;
        }
        header { 
            background-color: var(--bg-secondary); 
            border-bottom: 1px solid var(--border-light); 
            padding: 10px 20px; 
            position: sticky; 
            top: 0; 
            z-index: 1000; 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
        }
        .logo-section { display: flex; align-items: center; gap: 10px; }
        .logo-img { width: 25px; height: 25px; }
        .logo-text { font-size: 16px; font-weight: normal; }
        .auth-buttons { display: flex; gap: 10px; }
        .btn { 
            padding: 8px 16px; 
            border-radius: 8px; 
            cursor: pointer; 
            border: none; 
            font-family: var(--font-primary); 
            font-weight: 600; 
            transition: 0.3s; 
        }
        .btn-login { background-color: transparent; color: var(--text-main); border: 1px solid var(--brand-primary); }
        .btn-register { background-color: var(--brand-primary); color: var(--text-inverse); }
        .btn-register:hover { background-color: var(--brand-secondary); }
        
        .main-banner { 
            width: 100%; 
            aspect-ratio: 2/1; 
            overflow: hidden; 
            cursor: pointer; 
        }
        .main-banner img { width: 100%; height: 100%; object-fit: cover; }
        
        .reward-section { 
            padding: 40px 20px; 
            text-align: center; 
            background: linear-gradient(45deg, var(--bg-secondary), var(--bg-primary)); 
        }
        .reward-title { font-size: 24px; color: var(--brand-primary); margin-bottom: 15px; }
        .reward-text { color: var(--text-muted); margin-bottom: 25px; font-size: 16px; }
        .cta-btn { 
            background-color: var(--brand-highlight); 
            color: white; 
            padding: 15px 40px; 
            font-size: 20px; 
            border-radius: 30px; 
            text-decoration: none; 
            display: inline-block; 
            font-weight: bold; 
            box-shadow: 0 4px 15px rgba(255, 77, 0, 0.4); 
        }

        .intro-card { 
            margin: 20px; 
            padding: 25px; 
            background-color: var(--bg-secondary); 
            border-radius: 15px; 
            border: 1px solid var(--border-strong); 
            text-align: center; 
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { color: var(--text-muted); font-size: 16px; }

        .section-title { 
            padding: 0 20px; 
            margin: 30px 0 20px; 
            font-size: 24px; 
            color: var(--brand-primary); 
            border-left: 4px solid var(--brand-primary); 
            padding-left: 15px; 
        }
        
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            padding: 0 20px; 
        }
        .game-card { 
            background: var(--bg-secondary); 
            border-radius: 12px; 
            overflow: hidden; 
            text-decoration: none; 
            border: 1px solid var(--border-light); 
            transition: 0.3s; 
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--brand-primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { 
            padding: 10px; 
            font-size: 14px; 
            color: var(--text-main); 
            text-align: center; 
            white-space: nowrap; 
            overflow: hidden; 
            text-overflow: ellipsis; 
        }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            padding: 0 20px; 
        }
        .payment-item { 
            background: var(--bg-secondary); 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            border: 1px solid var(--border-light); 
            font-size: 12px; 
            color: var(--text-muted); 
        }
        .payment-item i { 
            display: block; 
            font-size: 20px; 
            color: var(--brand-primary); 
            margin-bottom: 5px; 
        }

        .article-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            padding: 0 20px; 
        }
        .article-card { 
            display: flex; 
            gap: 15px; 
            background: var(--bg-secondary); 
            padding: 10px; 
            border-radius: 12px; 
            text-decoration: none; 
            color: inherit; 
            border: 1px solid var(--border-light); 
        }
        .article-card img { width: 80px; height: 80px; border-radius: 8px; object-fit: cover; }
        .article-content h3 { font-size: 16px; color: var(--brand-primary); margin-bottom: 5px; }
        .article-content p { font-size: 13px; color: var(--text-muted); }

        .guide-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            padding: 0 20px; 
        }
        .guide-item { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 12px; 
            border-left: 4px solid var(--brand-highlight); 
        }
        .guide-item h3 { margin-bottom: 10px; color: var(--text-main); }
        .guide-item p { font-size: 14px; color: var(--text-muted); }

        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            padding: 0 20px; 
        }
        .review-card { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-light); 
        }
        .review-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
        .review-user { display: flex; align-items: center; gap: 10px; }
        .review-user i { color: var(--brand-primary); font-size: 24px; }
        .stars { color: #f1c40f; font-size: 14px; }
        .review-text { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: #64748b; }

        .win-record { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 10px; 
            padding: 0 20px; 
        }
        .win-item { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            background: var(--bg-secondary); 
            padding: 12px 20px; 
            border-radius: 10px; 
            font-size: 14px; 
            border: 1px solid var(--border-light); 
        }
        .win-amount { color: var(--success); font-weight: bold; }

        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            padding: 0 20px; 
        }
        .provider-box { 
            background: linear-gradient(135deg, var(--bg-secondary), #2d3748); 
            padding: 20px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            color: var(--brand-primary); 
            border: 1px solid var(--border-strong); 
        }

        .faq-section { padding: 0 20px; display: grid; gap: 15px; }
        .faq-item { background: var(--bg-secondary); padding: 20px; border-radius: 12px; border: 1px solid var(--border-light); }
        .faq-item h3 { font-size: 16px; color: var(--brand-primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

        .security-box { 
            margin: 20px; 
            padding: 25px; 
            background: var(--bg-secondary); 
            border-radius: 15px; 
            text-align: center; 
            border: 1px solid var(--border-strong); 
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 20px; }
        .security-icons i { font-size: 30px; color: var(--success); }
        .security-text { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
        .security-link { color: var(--brand-primary); text-decoration: none; font-size: 14px; }

        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            width: 100%; 
            background-color: var(--bg-secondary); 
            display: flex; 
            justify-content: space-around; 
            padding: 10px 0; 
            border-top: 1px solid var(--border-light); 
            z-index: 2000; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-muted); 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            font-size: 11px; 
            gap: 5px; 
        }
        .nav-item i { font-size: 20px; }

        footer { 
            background-color: var(--bg-secondary); 
            padding: 40px 20px 20px; 
            border-top: 1px solid var(--border-light); 
            text-align: center; 
        }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
            text-align: left; 
        }
        .footer-links a { 
            color: var(--text-muted); 
            text-decoration: none; 
            font-size: 13px; 
        }
        .copyright { 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); }
            .article-grid { grid-template-columns: repeat(2, 1fr); }
            .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .win-record { grid-template-columns: repeat(2, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
        }