:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C0C0C0;
            --brand-accent: #FF4500;
            --brand-highlight: #FFC107;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-card: #242424;
            --bg-overlay: rgba(0, 0, 0, 0.8);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #757575;
            --text-on-primary: #000000;
            --border-default: #333333;
            --border-strong: #444444;
            --border-accent: #FFD700;
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: 'Hind Siliguri', sans-serif;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--border-accent);
            padding: 0 15px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-section { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; object-fit: cover; }
        header 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: 4px; cursor: pointer; font-family: inherit; }
        .btn-register { background: var(--brand-primary); color: var(--text-on-primary); border: none; padding: 6px 15px; border-radius: 4px; cursor: pointer; font-family: inherit; font-weight: 600; }
        main { padding-bottom: 80px; }
        .banner-container { width: 100%; aspect-ratio: 2/1; overflow: hidden; cursor: pointer; }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .section-container { padding: 20px 15px; max-width: 1200px; margin: 0 auto; }
        .reward-card { 
            background: linear-gradient(135deg, var(--bg-card), #333); 
            border: 2px solid var(--brand-primary); 
            border-radius: 15px; 
            padding: 25px; 
            text-align: center; 
            margin: 20px 0; 
        }
        .reward-card h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .reward-card p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-large { 
            background: var(--brand-accent); 
            color: white; 
            padding: 15px 30px; 
            border-radius: 30px; 
            border: none; 
            font-size: 18px; 
            font-weight: bold; 
            cursor: pointer; 
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
            transition: 0.3s;
        }
        .btn-large:hover { transform: scale(1.05); }
        .intro-card { 
            background: var(--bg-surface); 
            border-radius: 20px; 
            padding: 30px; 
            margin: 20px 0; 
            border-left: 5px solid var(--brand-primary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .intro-card h1 { font-size: 32px; color: var(--brand-primary); margin-bottom: 15px; }
        .intro-card p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; }
        .section-title { 
            font-size: 22px; 
            color: var(--text-primary); 
            margin: 30px 0 20px; 
            padding-left: 10px; 
            border-left: 4px solid var(--brand-primary); 
        }
        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
        }
        .game-card { 
            background: var(--bg-card); 
            border-radius: 12px; 
            overflow: hidden; 
            text-decoration: none; 
            transition: 0.3s; 
            border: 1px solid var(--border-default);
        }
        .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: 10px; 
            font-size: 14px; 
            text-align: center; 
            color: var(--text-primary); 
            white-space: nowrap; 
            overflow: hidden; 
            text-overflow: ellipsis; 
        }
        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            text-align: center; 
        }
        .payment-item { 
            background: var(--bg-surface); 
            padding: 15px 5px; 
            border-radius: 10px; 
            font-size: 12px; 
            color: var(--text-secondary); 
            border: 1px solid var(--border-default);
        }
        .payment-item i { 
            display: block; 
            font-size: 20px; 
            color: var(--brand-primary); 
            margin-bottom: 5px; 
        }
        .guideline-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
        }
        .guideline-item { 
            background: var(--bg-surface); 
            padding: 15px; 
            border-radius: 10px; 
            border: 1px solid var(--border-default);
        }
        .guideline-item h3 { color: var(--brand-highlight); margin-bottom: 8px; font-size: 16px; }
        .guideline-item p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { 
            display: grid; 
            grid-template-columns: 1fr; 
            gap: 15px; 
        }
        .review-card { 
            background: var(--bg-card); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-strong);
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 24px; color: var(--brand-secondary); }
        .review-user { font-weight: 600; font-size: 14px; }
        .review-stars { color: var(--brand-primary); font-size: 12px; margin-bottom: 10px; }
        .review-text { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.6; }
        .review-date { font-size: 11px; color: var(--text-muted); display: block; }
        .lottery-list { 
            background: var(--bg-surface); 
            border-radius: 15px; 
            overflow: hidden; 
        }
        .lottery-item { 
            display: grid; 
            grid-template-columns: 1fr 2fr 1fr 1fr; 
            padding: 12px; 
            border-bottom: 1px solid var(--border-default); 
            font-size: 13px; 
            align-items: center;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-win { color: var(--brand-primary); font-weight: bold; }
        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
        }
        .provider-item { 
            background: linear-gradient(45deg, var(--bg-card), #333); 
            padding: 15px; 
            text-align: center; 
            border-radius: 8px; 
            font-weight: bold; 
            color: var(--brand-highlight); 
            border: 1px solid var(--border-strong);
        }
        .faq-item { 
            background: var(--bg-surface); 
            margin-bottom: 10px; 
            border-radius: 10px; 
            padding: 15px; 
            border: 1px solid var(--border-default);
        }
        .faq-item h3 { font-size: 16px; color: var(--brand-primary); margin-bottom: 10px; cursor: pointer; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
        .security-section { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            text-align: center; 
            border: 1px solid var(--border-strong);
        }
        .security-badges { 
            display: flex; 
            justify-content: center; 
            gap: 20px; 
            margin-bottom: 15px; 
            flex-wrap: wrap;
        }
        .badge { font-size: 14px; color: var(--text-secondary); display: flex; align-items: center; gap: 5px; }
        .badge i { color: var(--success); }
        .security-notice { font-size: 12px; color: var(--text-muted); margin-top: 15px; }
        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            height: 65px; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            border-top: 1px solid var(--border-accent); 
            z-index: 2000; 
        }
        .nav-item { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            text-decoration: none; 
            color: var(--text-secondary); 
            font-size: 11px; 
            gap: 4px; 
        }
        .nav-item i { font-size: 20px; color: var(--text-primary); }
        footer { 
            background: var(--bg-surface); 
            padding: 30px 15px; 
            border-top: 1px solid var(--border-default); 
            text-align: center; 
        }
        .footer-contact { margin-bottom: 20px; display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; 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: 12px; 
            display: block; 
            padding: 4px 0; 
        }
        .footer-copy { 
            font-size: 12px; 
            color: var(--text-muted); 
            border-top: 1px solid var(--border-default); 
            padding-top: 20px; 
        }
        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .guideline-grid { grid-template-columns: repeat(2, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
        }