:root {
            --bg-primary: #0F172A;
            --bg-secondary: #1E293B;
            --bg-tertiary: #0B1120;
            --brand-primary: #FFD700;
            --brand-secondary: #EAB308;
            --brand-accent: #EF4444;
            --brand-success: #22C55E;
            --text-primary: #FFFFFF;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-light: #334155;
            --border-medium: #475569;
            --border-dark: #1E293B;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: '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-primary); 
            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: 1px solid var(--border-light);
        }
        header .logo-area { display: flex; align-items: center; gap: 8px; }
        header .logo-area img { width: 25px; height: 25px; border-radius: 4px; }
        header .logo-area strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        header .auth-btns { display: flex; gap: 10px; }
        .btn-login { 
            background: transparent; 
            color: var(--brand-primary); 
            border: 1px solid var(--brand-primary); 
            padding: 6px 15px; 
            border-radius: 8px; 
            cursor: pointer;
            font-family: var(--font-primary);
        }
        .btn-reg { 
            background: var(--brand-primary); 
            color: var(--bg-primary); 
            border: none; 
            padding: 6px 15px; 
            border-radius: 8px; 
            cursor: pointer; 
            font-weight: 600;
            font-family: var(--font-primary);
        }
        main { padding-bottom: 80px; }
        .hero-banner { 
            width: 100%; 
            aspect-ratio: 2/1; 
            cursor: pointer; 
            display: block; 
        }
        .reward-section {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
            margin: 20px;
            padding: 25px;
            border-radius: 20px;
            text-align: center;
            border: 2px 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; }
        .btn-large { 
            background: var(--brand-primary); 
            color: var(--bg-primary); 
            padding: 15px 30px; 
            border-radius: 50px; 
            text-decoration: none; 
            font-weight: bold; 
            display: inline-block;
            font-size: 18px;
            border: none;
            cursor: pointer;
        }
        .intro-card {
            background: var(--bg-secondary);
            margin: 20px;
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.3);
        }
        .intro-card h1 { color: var(--brand-primary); font-size: 30px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { 
            padding: 0 20px; 
            margin: 30px 0 20px; 
            color: var(--brand-primary); 
            font-size: 24px; 
            display: flex; 
            align-items: center; 
            gap: 10px; 
        }
        .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); }
        .game-card img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            display: block; 
        }
        .game-card h3 { 
            padding: 12px; 
            font-size: 14px; 
            text-align: center; 
            color: var(--text-primary); 
        }
        .payment-section {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 20px;
            background: var(--bg-tertiary);
            margin-top: 30px;
        }
        .payment-item {
            background: var(--bg-secondary);
            padding: 15px 5px;
            border-radius: 10px;
            text-align: center;
            font-size: 12px;
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
        }
        .payment-item i { 
            display: block; 
            font-size: 20px; 
            color: var(--brand-primary); 
            margin-bottom: 8px; 
        }
        .guidelines-grid {
            padding: 20px;
            display: grid;
            gap: 15px;
        }
        .guideline-item {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 15px;
            border-left: 4px solid var(--brand-primary);
        }
        .guideline-item h3 { font-size: 18px; margin-bottom: 10px; color: var(--brand-primary); }
        .guideline-item p { font-size: 14px; color: var(--text-secondary); }
        .review-grid {
            padding: 20px;
            display: grid;
            gap: 15px;
        }
        .review-card {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-light);
        }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--brand-primary); }
        .review-user { font-weight: bold; font-size: 15px; }
        .review-stars { color: #facc15; font-size: 13px; margin-left: auto; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); }
        .lottery-list {
            padding: 20px;
            background: var(--bg-tertiary);
        }
        .lottery-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 15px;
            background: var(--bg-secondary);
            margin-bottom: 8px;
            border-radius: 10px;
            font-size: 14px;
            border: 1px solid var(--border-light);
        }
        .lottery-item .user { color: var(--text-secondary); }
        .lottery-item .game { color: var(--brand-primary); font-weight: 500; }
        .lottery-item .amount { color: var(--brand-success); font-weight: bold; }
        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 20px;
        }
        .provider-box {
            background: linear-gradient(45deg, var(--bg-secondary), var(--border-medium));
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            font-weight: bold;
            color: var(--brand-primary);
            border: 1px solid var(--brand-primary);
        }
        .faq-section { padding: 20px; }
        .faq-item {
            background: var(--bg-secondary);
            margin-bottom: 15px;
            border-radius: 10px;
            overflow: hidden;
        }
        .faq-question {
            padding: 15px;
            font-weight: bold;
            cursor: pointer;
            background: var(--border-dark);
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-light);
        }
        .faq-answer { padding: 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
        .security-section {
            margin: 20px;
            padding: 25px;
            background: var(--bg-secondary);
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .security-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 10px 20px;
            background: var(--bg-primary);
            border-radius: 50px;
            margin: 10px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .security-badge i { color: var(--brand-success); }
        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--bg-secondary);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 10px 0;
            border-top: 1px solid var(--border-light);
            z-index: 2000;
            box-shadow: 0 -5px 20px 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: 4px;
        }
        .nav-item i { font-size: 20px; }
        footer {
            background: var(--bg-tertiary);
            padding: 30px 20px;
            border-top: 1px solid var(--border-light);
            text-align: center;
            font-family: var(--font-primary);
        }
        .footer-contact {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 25px;
            flex-wrap: wrap;
        }
        .footer-contact a { 
            color: var(--text-secondary); 
            text-decoration: none; 
            font-size: 13px; 
            padding: 5px 12px; 
            background: var(--bg-secondary); 
            border-radius: 5px; 
        }
        .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; 
            padding: 4px 0; 
        }
        .copyright { 
            color: var(--text-muted); 
            font-size: 12px; 
            border-top: 1px solid var(--border-light); 
            padding-top: 20px; 
        }