:root {
            --brand-primary: #FFD700;
            --brand-primary-dark: #B8860B;
            --brand-secondary: #E60000;
            --brand-accent: #00FF41;
            --bg-main: #0B0E11;
            --bg-surface: #1E2329;
            --bg-surface-light: #2B3139;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B7BDC6;
            --text-disabled: #707A8A;
            --text-highlight: #FFD700;
            --semantic-success: #0ECB81;
            --semantic-warning: #F0B90B;
            --semantic-error: #F6465D;
            --semantic-info: #36B1FF;
            --border-default: #343A40;
            --border-strong: #474D57;
            --border-highlight: #FFD700;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        body { 
            background-color: var(--bg-main); 
            color: var(--text-primary); 
            font-family: 'Hind Siliguri', sans-serif; 
            line-height: 1.5; 
            overflow-x: hidden; 
            padding-bottom: 80px;
        }
        header { 
            background-color: var(--bg-surface); 
            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);
            box-shadow: 0 4px 10px rgba(0,0,0,0.5);
        }
        header .logo-section { display: flex; align-items: center; gap: 10px; }
        header .logo-section img { width: 25px; height: 25px; border-radius: 50%; }
        header .logo-section strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn { 
            padding: 8px 16px; 
            border-radius: 6px; 
            border: none; 
            cursor: pointer; 
            font-weight: 600; 
            font-family: 'Hind Siliguri', sans-serif; 
            transition: 0.3s; 
            text-decoration: none;
            font-size: 14px;
        }
        .btn-login { background-color: transparent; color: var(--brand-primary); border: 1px solid var(--brand-primary); }
        .btn-login:hover { background-color: var(--brand-primary); color: var(--bg-main); }
        .btn-register { background-color: var(--brand-primary); color: var(--bg-main); }
        .btn-register:hover { background-color: var(--brand-primary-dark); color: white; }

        main { max-width: 1200px; margin: 0 auto; padding: 20px; }
        .banner-container { width: 100%; margin-bottom: 25px; }
        .banner-container img { 
            width: 100%; 
            aspect-ratio: 2/1; 
            object-fit: cover; 
            border-radius: 15px; 
            cursor: pointer; 
            border: 2px solid var(--border-strong);
        }

        .reward-section { 
            background: linear-gradient(135deg, var(--bg-surface), var(--bg-surface-light)); 
            padding: 30px; 
            border-radius: 20px; 
            text-align: center; 
            margin-bottom: 30px; 
            border: 1px solid 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; font-size: 16px; }
        .btn-large { 
            display: inline-block; 
            padding: 15px 40px; 
            background-color: var(--brand-secondary); 
            color: white; 
            font-size: 20px; 
            font-weight: bold; 
            border-radius: 50px; 
            text-decoration: none; 
            animation: pulse 2s infinite;
            border: 3px solid var(--brand-primary);
        }
        @keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }

        .intro-card { 
            background-color: var(--bg-surface); 
            padding: 30px; 
            border-radius: 20px; 
            margin-bottom: 30px; 
            border-left: 5px solid var(--brand-primary); 
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .intro-card h1 { color: var(--brand-primary); font-size: 32px; margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 18px; }

        .section-title { 
            font-size: 24px; 
            color: var(--text-primary); 
            margin-bottom: 20px; 
            display: flex; 
            align-items: center; 
            gap: 10px;
            border-bottom: 1px solid var(--border-default);
            padding-bottom: 10px;
        }
        .section-title i { color: var(--brand-primary); }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-bottom: 30px; 
        }
        .game-card { 
            background-color: var(--bg-surface); 
            border-radius: 12px; 
            overflow: hidden; 
            text-decoration: none; 
            transition: 0.3s; 
            border: 1px solid var(--border-default);
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--brand-primary); }
        .game-card img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            display: block; 
        }
        .game-card h3 { 
            padding: 12px; 
            font-size: 16px; 
            color: var(--text-primary); 
            text-align: center; 
            background-color: var(--bg-surface-light); 
        }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .payment-item { 
            background-color: var(--bg-surface); 
            padding: 15px; 
            text-align: center; 
            border-radius: 10px; 
            border: 1px solid var(--border-default);
            font-size: 12px;
            color: var(--text-secondary);
        }
        .payment-item i { 
            display: block; 
            font-size: 24px; 
            color: var(--brand-primary); 
            margin-bottom: 8px; 
        }

        .guidelines-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
            gap: 20px; 
            margin-bottom: 30px; 
        }
        .guideline-item { 
            background-color: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border-top: 3px solid var(--brand-primary);
        }
        .guideline-item h3 { color: var(--brand-primary); margin-bottom: 10px; font-size: 18px; }
        .guideline-item p { color: var(--text-secondary); font-size: 14px; }

        .review-grid { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
            gap: 20px; 
            margin-bottom: 30px; 
        }
        .review-card { 
            background-color: var(--bg-surface); 
            padding: 20px; 
            border-radius: 15px; 
            border: 1px solid var(--border-default);
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--text-disabled); }
        .review-user { font-weight: bold; color: var(--text-primary); }
        .review-stars { color: var(--brand-primary); font-size: 14px; margin-bottom: 10px; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { color: var(--text-disabled); font-size: 12px; text-align: right; }

        .lottery-list { 
            background-color: var(--bg-surface); 
            border-radius: 15px; 
            overflow: hidden; 
            margin-bottom: 30px; 
        }
        .lottery-item { 
            display: grid; 
            grid-template-columns: 1fr 1.5fr 1fr 1fr; 
            padding: 15px; 
            border-bottom: 1px solid var(--border-default); 
            align-items: center; 
            font-size: 14px; 
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-item span:nth-child(3) { color: var(--brand-accent); font-weight: bold; }
        .lottery-item span:nth-child(1) { font-weight: bold; }

        .providers-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
        }
        .provider-box { 
            background: linear-gradient(45deg, var(--bg-surface-light), var(--bg-surface)); 
            padding: 20px; 
            text-align: center; 
            border-radius: 10px; 
            font-weight: bold; 
            color: var(--brand-primary); 
            border: 1px solid var(--border-strong);
        }

        .faq-section { margin-bottom: 30px; }
        .faq-item { 
            background-color: var(--bg-surface); 
            margin-bottom: 10px; 
            border-radius: 10px; 
            padding: 20px; 
            border: 1px solid var(--border-default);
        }
        .faq-item h3 { color: var(--brand-primary); margin-bottom: 10px; font-size: 18px; }
        .faq-item p { color: var(--text-secondary); font-size: 15px; }

        .security-section { 
            background-color: var(--bg-surface); 
            padding: 30px; 
            border-radius: 20px; 
            text-align: center; 
            border: 1px solid var(--border-strong);
        }
        .security-badges { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
        .badge { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: 14px; }
        .badge i { color: var(--brand-primary); }
        .security-notice { color: var(--semantic-warning); font-weight: bold; margin-bottom: 15px; }
        .security-links a { color: var(--semantic-info); text-decoration: none; margin: 0 10px; font-size: 14px; }

        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            background-color: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            padding: 12px 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; 
            color: var(--text-secondary); 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            font-size: 12px; 
            gap: 5px; 
        }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--brand-primary); }

        footer { 
            background-color: var(--bg-surface); 
            padding: 40px 20px; 
            border-top: 1px solid var(--border-default); 
            text-align: center; 
        }
        footer .contact-row { 
            display: flex; 
            justify-content: center; 
            align-items: center; 
            gap: 20px; 
            margin-bottom: 30px; 
            flex-wrap: wrap; 
        }
        footer .contact-row span { font-weight: bold; color: var(--brand-primary); }
        footer .contact-row a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
        footer .links-grid { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            max-width: 800px; 
            margin: 0 auto 30px; 
            text-align: center; 
        }
        footer .links-grid a { 
            color: var(--text-secondary); 
            text-decoration: none; 
            font-size: 14px; 
            padding: 5px; 
            display: block; 
        }
        footer .links-grid a:hover { color: var(--brand-primary); }
        footer .copyright { color: var(--text-disabled); font-size: 13px; }

        @media (max-width: 768px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            footer .links-grid { grid-template-columns: repeat(3, 1fr); }
        }