:root {
            --bg-primary: #0F172A;
            --bg-secondary: #1E293B;
            --bg-accent: #0F0F0F;
            --brand-primary: #FFD700;
            --brand-secondary: #C5A000;
            --brand-highlight: #FF4500;
            --brand-success: #22C55E;
            --err: #EF4444;
            --warn: #F59E0B;
            --info: #3B82F6;
            --success: #10B981;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --text-inverse: #0F172A;
            --border-primary: #334155;
            --border-secondary: #475569;
            --border-accent: #FFD700;
            --font-main: 'Hind Siliguri', sans-serif;
            --font-roboto: 'Roboto', 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);
            border-bottom: 2px solid var(--border-accent);
            padding: 10px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header .logo-area img { width: 25px; height: 25px; border-radius: 4px; }
        header .logo-area strong { font-size: 16px; font-weight: 400; color: var(--brand-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--brand-primary); color: var(--brand-primary); padding: 6px 15px; border-radius: 5px; cursor: pointer; font-family: var(--font-main); }
        .btn-register { background: var(--brand-primary); border: none; color: var(--text-inverse); padding: 6px 15px; border-radius: 5px; cursor: pointer; font-weight: 600; font-family: var(--font-main); }
        
        main { padding: 0 0 80px 0; max-width: 1200px; margin: 0 auto; }
        .banner-container { width: 100%; aspect-ratio: 2/1; overflow: hidden; cursor: pointer; }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }

        .reward-section {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-accent));
            margin: 20px;
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--border-primary);
        }
        .reward-section h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-main-reward { background: var(--brand-highlight); color: white; border: none; padding: 15px 40px; border-radius: 30px; font-size: 18px; font-weight: bold; cursor: pointer; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4); transition: 0.3s; }
        .btn-main-reward:hover { transform: scale(1.05); background: #ff5a1a; }

        .intro-card {
            background: var(--bg-secondary);
            margin: 20px;
            padding: 25px;
            border-radius: 15px;
            border-left: 5px solid var(--brand-primary);
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .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: 40px 0 20px; color: var(--brand-primary); font-size: 24px; position: relative; padding-bottom: 10px; }
        .section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--brand-primary); }

        .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-primary); transition: 0.3s; }
        .game-card:hover { border-color: var(--brand-primary); transform: translateY(-5px); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; text-align: center; font-size: 16px; color: var(--text-primary); }

        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 20px; }
        .payment-item { background: var(--bg-secondary); padding: 15px; border-radius: 10px; text-align: center; border: 1px solid var(--border-primary); color: var(--text-secondary); font-size: 14px; }
        .payment-item i { display: block; font-size: 24px; color: var(--brand-primary); margin-bottom: 8px; }

        .guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; padding: 0 20px; }
        .guide-item { background: var(--bg-secondary); padding: 15px; border-radius: 12px; border: 1px solid var(--border-primary); }
        .guide-item h3 { color: var(--brand-primary); font-size: 16px; margin-bottom: 8px; }
        .guide-item p { font-size: 13px; color: var(--text-muted); }

        .review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; padding: 0 20px; }
        .review-card { background: var(--bg-secondary); padding: 15px; border-radius: 12px; border: 1px solid var(--border-primary); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--brand-primary); }
        .review-user { font-weight: 600; font-size: 14px; }
        .review-stars { color: var(--brand-primary); font-size: 12px; margin-bottom: 8px; }
        .review-text { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 11px; color: var(--text-muted); text-align: right; }

        .lottery-list { background: var(--bg-secondary); margin: 20px; border-radius: 15px; overflow: hidden; }
        .lottery-item { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; padding: 12px 15px; border-bottom: 1px solid var(--border-primary); font-size: 13px; align-items: center; }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-user { color: var(--text-primary); font-weight: 500; }
        .lottery-game { color: var(--text-muted); }
        .lottery-win { color: var(--brand-primary); font-weight: bold; }
        .lottery-time { color: var(--text-muted); text-align: right; }

        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 0 20px; }
        .provider-item { background: linear-gradient(45deg, var(--bg-secondary), var(--border-primary)); padding: 20px; border-radius: 10px; text-align: center; font-weight: bold; color: var(--brand-primary); border: 1px solid var(--border-primary); }

        .faq-section { padding: 0 20px; }
        .faq-item { background: var(--bg-secondary); margin-bottom: 10px; border-radius: 10px; border: 1px solid var(--border-primary); overflow: hidden; }
        .faq-question { padding: 15px; color: var(--brand-primary); font-weight: 600; cursor: pointer; display: block; }
        .faq-answer { padding: 0 15px 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

        .security-section {
            background: var(--bg-accent);
            margin: 20px;
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            border: 1px dashed var(--border-primary);
        }
        .security-badge { display: inline-flex; align-items: center; gap: 10px; color: var(--success); font-weight: bold; margin-bottom: 15px; }
        .security-footer { font-size: 12px; color: var(--text-muted); margin-top: 15px; }
        .security-footer a { color: var(--brand-primary); text-decoration: none; }

        .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(--brand-primary);
            z-index: 2000;
            box-shadow: 0 -5px 15px rgba(0,0,0,0.5);
        }
        .nav-item { text-decoration: none; display: flex; flex-direction: column; align-items: center; color: var(--text-muted); font-size: 12px; gap: 5px; transition: 0.3s; }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--brand-primary); }

        footer {
            background-color: var(--bg-secondary);
            padding: 30px 20px;
            border-top: 1px solid var(--border-primary);
            color: var(--text-muted);
            font-family: var(--font-roboto);
        }
        footer .contact-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; margin-bottom: 25px; gap: 10px; }
        footer .contact-bar span { color: var(--text-primary); font-weight: bold; }
        footer .contact-links { display: flex; gap: 15px; }
        footer .contact-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
        footer .link-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 25px; }
        footer .link-grid a { color: var(--text-muted); text-decoration: none; font-size: 13px; }
        footer .copyright { text-align: center; font-size: 12px; border-top: 1px solid var(--border-primary); padding-top: 20px; }

        @media (min-width: 768px) {
            .game-grid, .review-grid, .guide-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
            .lottery-item { padding: 15px; font-size: 15px; }
        }