:root {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-accent: #0f172a;
            --brand-primary: #facc15;
            --brand-secondary: #eab308;
            --brand-highlight: #fbbf24;
            --success: #22c55e;
            --danger: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --text-primary: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-inverse: #0f172a;
            --border-light: #334155;
            --border-medium: #475569;
            --border-strong: #1e293b;
            --font-main: 'Hind Siliguri', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { 
            background-color: var(--bg-primary); 
            color: var(--text-primary); 
            font-family: var(--font-main); 
            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(--brand-primary);
        }
        header .logo-section { display: flex; align-items: center; gap: 10px; }
        header .logo-section img { width: 25px; height: 25px; border-radius: 4px; }
        header .logo-section strong { font-size: 16px; font-weight: normal; }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--brand-primary); padding: 6px 15px; border-radius: 8px; cursor: pointer; font-weight: 500; }
        .btn-register { background: var(--brand-primary); color: var(--text-inverse); border: none; padding: 6px 15px; border-radius: 8px; cursor: pointer; font-weight: 600; }
        
        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; }

        .reward-section { 
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
            margin: 20px;
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border: 2px dashed var(--brand-primary);
        }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-big-register { 
            background: var(--brand-primary); 
            color: var(--text-inverse); 
            padding: 15px 40px; 
            font-size: 18px; 
            font-weight: bold; 
            border-radius: 50px; 
            border: none; 
            cursor: pointer; 
            box-shadow: 0 4px 15px rgba(250, 204, 21, 0.4);
        }

        .intro-card { 
            margin: 20px; 
            padding: 25px; 
            background: var(--bg-secondary); 
            border-radius: 20px; 
            border-left: 5px solid var(--brand-primary); 
        }
        .intro-card h1 { font-size: 30px; color: var(--brand-primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }

        .section-title { text-align: center; margin: 30px 0 20px; font-size: 24px; color: var(--text-primary); position: relative; }
        .section-title::after { content: ''; display: block; width: 50px; height: 3px; background: var(--brand-primary); margin: 10px auto; }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            padding: 0 20px; 
        }
        .game-card { 
            background: var(--bg-secondary); 
            border-radius: 15px; 
            overflow: hidden; 
            text-decoration: none; 
            transition: transform 0.2s; 
            border: 1px solid var(--border-light);
        }
        .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: 12px; font-size: 14px; color: var(--text-primary); text-align: center; }

        .payment-methods { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            padding: 20px; 
            background: var(--bg-secondary); 
            margin: 20px; 
            border-radius: 15px; 
            text-align: center;
        }
        .payment-item { display: flex; flex-direction: column; align-items: center; gap: 5px; font-size: 12px; color: var(--text-secondary); }
        .payment-item i { font-size: 20px; color: var(--brand-primary); }

        .guidelines-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            padding: 20px; 
        }
        .guideline-item { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 15px; 
            border-bottom: 3px solid var(--brand-primary); 
        }
        .guideline-item h3 { margin-bottom: 10px; color: var(--brand-primary); font-size: 18px; }
        .guideline-item p { font-size: 14px; color: var(--text-secondary); }

        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
            padding: 20px; 
        }
        .review-card { 
            background: var(--bg-secondary); 
            padding: 20px; 
            border-radius: 15px; 
            position: relative; 
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--brand-primary); }
        .review-header .username { font-weight: 600; }
        .review-rating { color: var(--brand-primary); font-size: 12px; margin-bottom: 10px; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); }

        .lottery-list { 
            background: var(--bg-secondary); 
            margin: 20px; 
            border-radius: 15px; 
            overflow: hidden; 
        }
        .lottery-row { 
            display: flex; 
            justify-content: space-between; 
            padding: 12px 20px; 
            border-bottom: 1px solid var(--border-light); 
            font-size: 13px; 
        }
        .lottery-row:last-child { border-bottom: none; }
        .win-amount { color: var(--brand-primary); font-weight: bold; }

        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            padding: 20px; 
        }
        .provider-item { 
            background: var(--bg-secondary); 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            color: var(--brand-primary); 
            border: 1px solid var(--border-medium);
        }

        .faq-container { padding: 20px; }
        .faq-item { 
            background: var(--bg-secondary); 
            margin-bottom: 10px; 
            border-radius: 10px; 
            padding: 15px; 
            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-secondary); }

        .security-section { 
            margin: 20px; 
            padding: 20px; 
            background: var(--bg-secondary); 
            border-radius: 15px; 
            text-align: center; 
            border: 1px solid var(--border-light);
        }
        .security-badge { color: var(--success); font-weight: bold; margin-bottom: 15px; display: block; }
        .security-text { font-size: 13px; color: var(--text-secondary); line-height: 1.8; }
        .security-links { margin-top: 15px; display: flex; justify-content: center; gap: 15px; }
        .security-links a { color: var(--brand-primary); font-size: 12px; text-decoration: none; }

        .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(--brand-primary); 
            z-index: 2000; 
        }
        .nav-item { 
            text-decoration: none; 
            color: var(--text-secondary); 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            font-size: 11px; 
            gap: 4px; 
        }
        .nav-item i { font-size: 18px; color: var(--text-primary); }

        footer { 
            background-color: var(--bg-secondary); 
            padding: 30px 20px; 
            border-top: 1px solid var(--border-medium);
            text-align: center;
        }
        .footer-contact { 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: center; 
            gap: 15px; 
            margin-bottom: 25px; 
            font-size: 14px; 
        }
        .footer-contact a { color: var(--text-secondary); text-decoration: none; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 25px; 
            text-align: left; 
        }
        .footer-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; display: block; }
        .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); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
            .guidelines-grid { grid-template-columns: repeat(3, 1fr); }
        }