:root {
            --brand-primary: #FFD700;
            --brand-secondary: #C0C0C0;
            --brand-accent: #FF4500;
            --brand-highlight: #FFD700;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-elevated: #242424;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #808080;
            --text-inverse: #000000;
            --success: #28A745;
            --error: #DC3545;
            --warning: #FFC107;
            --info: #17A2B8;
            --border-default: #333333;
            --border-strong: #444444;
            --border-accent: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
            --font-accent: 'Poppins', sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--bg-main); color: var(--text-primary); font-family: var(--font-primary); line-height: 1.5; overflow-x: hidden; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul { list-style: none; }

        header {
            background-color: var(--bg-surface);
            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: 50%; }
        header .logo-area strong { font-size: 16px; font-weight: normal; color: var(--brand-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        header .btn-login { background: transparent; border: 1px solid var(--brand-primary); color: var(--brand-primary); padding: 6px 15px; border-radius: 4px; cursor: pointer; font-family: var(--font-primary); }
        header .btn-register { background: var(--brand-primary); border: none; color: var(--text-inverse); padding: 6px 15px; border-radius: 4px; cursor: pointer; font-family: var(--font-primary); font-weight: bold; }

        main { padding-bottom: 80px; }
        .hero-banner { width: 100%; aspect-ratio: 2/1; cursor: pointer; display: block; }
        
        .reward-section {
            background: linear-gradient(45deg, var(--bg-surface), var(--bg-elevated));
            margin: 20px 15px;
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--border-strong);
        }
        .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-cta { background: var(--brand-accent); color: white; padding: 15px 30px; border-radius: 30px; font-size: 18px; font-weight: bold; border: none; cursor: pointer; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4); }

        .intro-card {
            margin: 20px 15px;
            padding: 20px;
            background-color: var(--bg-surface);
            border-radius: 15px;
            border-left: 5px solid var(--brand-primary);
        }
        .intro-card h1 { font-size: 32px; 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; color: var(--brand-primary); font-size: 22px; }
        
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            padding: 0 15px;
        }
        .game-card {
            background-color: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-default);
            text-align: center;
            transition: transform 0.2s;
        }
        .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: 10px; font-size: 14px; color: var(--text-primary); }

        .payment-methods {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 20px 15px;
            background: var(--bg-surface);
            margin: 20px 0;
            text-align: center;
        }
        .payment-item { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            gap: 5px; 
            font-size: 12px; 
            color: var(--text-secondary); 
            padding: 10px;
            border-radius: 8px;
            background: var(--bg-elevated);
        }
        .payment-item i { color: var(--brand-primary); font-size: 20px; }

        .guidelines {
            padding: 20px 15px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
        }
        .guide-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--border-default);
        }
        .guide-item h3 { color: var(--brand-primary); margin-bottom: 8px; font-size: 18px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }

        .review-section {
            padding: 0 15px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
        }
        .review-card {
            background: var(--bg-elevated);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-strong);
        }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { color: var(--brand-primary); font-size: 24px; }
        .review-header .username { font-weight: bold; color: var(--text-primary); }
        .stars { color: var(--brand-primary); font-size: 12px; margin-bottom: 5px; }
        .review-text { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); text-align: right; }

        .lottery-list {
            padding: 0 15px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .lottery-item {
            background: var(--bg-surface);
            padding: 12px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-default);
        }
        .lottery-user { font-size: 14px; color: var(--text-secondary); }
        .lottery-game { font-size: 14px; color: var(--text-primary); font-weight: 500; }
        .lottery-win { color: var(--brand-primary); font-weight: bold; }
        .lottery-time { font-size: 12px; color: var(--text-muted); }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            padding: 20px 15px;
        }
        .provider-item {
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            color: var(--brand-primary);
            font-weight: bold;
            border: 1px solid var(--border-strong);
        }

        .faq-section { padding: 20px 15px; display: grid; gap: 15px; }
        .faq-item { background: var(--bg-surface); padding: 15px; border-radius: 10px; border: 1px solid var(--border-default); }
        .faq-item h3 { font-size: 16px; color: var(--brand-primary); margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 14px; }

        .security-section {
            padding: 20px 15px;
            background: var(--bg-surface);
            text-align: center;
            border-top: 1px solid var(--border-default);
        }
        .security-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 20px;
        }
        .security-box {
            padding: 15px;
            border-radius: 10px;
            background: var(--bg-elevated);
            font-size: 13px;
            color: var(--text-secondary);
        }
        .security-box i { color: var(--brand-primary); display: block; margin-bottom: 10px; font-size: 20px; }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 10px 0;
            border-top: 2px solid var(--brand-primary);
            z-index: 1001;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
            color: var(--text-secondary);
            font-size: 12px;
            text-decoration: none;
        }
        .nav-item i { font-size: 20px; color: var(--text-primary); }

        footer {
            background-color: var(--bg-surface);
            padding: 30px 15px 100px;
            border-top: 1px solid var(--border-strong);
            text-align: center;
        }
        .footer-contact { margin-bottom: 25px; }
        .contact-links { display: flex; justify-content: center; gap: 15px; margin-top: 10px; flex-wrap: wrap; }
        .contact-links a { color: var(--brand-primary); font-size: 14px; }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            text-align: left;
            margin-bottom: 30px;
        }
        .footer-links a { color: var(--text-muted); font-size: 13px; display: block; margin-bottom: 5px; }
        .copyright { color: var(--text-muted); font-size: 12px; }