:root {
            --bg-primary: #0f172a;
            --bg-secondary: #1e293b;
            --bg-accent: #0f172a;
            --brand-primary: #facc15;
            --brand-secondary: #eab308;
            --brand-highlight: #fbbf24;
            --success: #22c55e;
            --error: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --text-primary: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --text-on-brand: #000000;
            --border-light: #334155;
            --border-medium: #475569;
            --border-dark: #1e293b;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        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);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 15px;
            position: sticky;
            top: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo-section { display: flex; align-items: center; gap: 8px; }
        .logo-img { width: 25px; height: 25px; border-radius: 4px; }
        .brand-name { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        .auth-buttons { display: flex; gap: 10px; }
        .btn {
            padding: 6px 16px;
            border-radius: 8px;
            cursor: pointer;
            font-family: var(--font-primary);
            font-weight: 500;
            border: none;
            transition: 0.3s;
        }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-medium); }
        .btn-register { background: var(--brand-primary); color: var(--text-on-brand); }
        .main-container { max-width: 1200px; margin: 0 auto; padding: 15px; }
        .banner-wrapper {
            width: 100%;
            aspect-ratio: 2/1;
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 20px;
            cursor: pointer;
        }
        .banner-img { width: 100%; height: 100%; object-fit: cover; }
        .reward-card {
            background: linear-gradient(135deg, var(--bg-secondary), #2d3748);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            border: 2px solid var(--brand-primary);
            margin-bottom: 25px;
        }
        .reward-card h2 { color: var(--brand-primary); margin-bottom: 15px; font-size: 24px; }
        .reward-card p { color: var(--text-secondary); margin-bottom: 20px; }
        .btn-big {
            display: block;
            width: fit-content;
            margin: 0 auto;
            padding: 12px 30px;
            background: var(--brand-primary);
            color: var(--text-on-brand);
            border-radius: 50px;
            font-weight: bold;
            font-size: 18px;
            text-decoration: none;
        }
        .intro-card {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 15px;
            border-left: 5px solid var(--brand-primary);
            margin-bottom: 30px;
        }
        .intro-card h1 { font-size: 30px; color: var(--brand-primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); }
        .section-title { 
            font-size: 24px; 
            margin: 30px 0 20px; 
            display: flex; 
            align-items: center; 
            gap: 10px; 
            color: var(--brand-primary);
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .game-card {
            background: var(--bg-secondary);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: transform 0.2s;
            border: 1px solid var(--border-light);
        }
        .game-card:hover { transform: translateY(-5px); }
        .game-img { 
            width: 100%; 
            aspect-ratio: 1/1; 
            object-fit: cover; 
            background: var(--border-dark); 
        }
        .game-info { padding: 10px; text-align: center; }
        .game-info h3 { color: var(--text-primary); font-size: 16px; }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .payment-item {
            background: var(--bg-secondary);
            padding: 15px;
            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: 24px; 
            color: var(--brand-primary); 
            margin-bottom: 8px; 
        }
        .article-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        .article-card {
            background: var(--bg-secondary);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-light);
        }
        .article-card img { width: 100%; height: 160px; object-fit: cover; }
        .article-content { padding: 15px; }
        .article-content h3 { color: var(--brand-primary); font-size: 18px; margin-bottom: 8px; }
        .article-content p { color: var(--text-secondary); font-size: 14px; }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }
        .guide-item {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 12px;
            border-top: 3px solid var(--brand-primary);
        }
        .guide-item h3 { color: var(--brand-primary); margin-bottom: 10px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 15px;
        }
        .review-card {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-medium);
        }
        .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: bold; font-size: 16px; }
        .review-stars { color: var(--brand-primary); font-size: 14px; }
        .review-date { font-size: 12px; color: var(--text-muted); margin-left: auto; }
        .review-text { color: var(--text-secondary); font-size: 14px; font-style: italic; }
        .win-list {
            background: var(--bg-secondary);
            border-radius: 15px;
            overflow: hidden;
        }
        .win-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 20px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }
        .win-item:last-child { border-bottom: none; }
        .win-user { color: var(--text-primary); }
        .win-game { color: var(--text-secondary); }
        .win-amount { color: var(--brand-primary); font-weight: bold; }
        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .provider-box {
            background: var(--bg-secondary);
            padding: 15px;
            text-align: center;
            border-radius: 10px;
            font-weight: bold;
            color: var(--brand-primary);
            border: 1px dashed var(--brand-primary);
        }
        .faq-section {
            display: grid;
            gap: 15px;
            margin-bottom: 30px;
        }
        .faq-item {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-light);
        }
        .faq-item h3 { color: var(--brand-primary); font-size: 18px; margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 15px; }
        .safety-section {
            background: #1a2233;
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--border-medium);
        }
        .safety-badges {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 15px;
        }
        .badge { color: var(--brand-primary); font-size: 14px; display: flex; align-items: center; gap: 5px; }
        .safety-notice { color: var(--text-muted); font-size: 13px; }
        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--bg-secondary);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-light);
            z-index: 2000;
        }
        .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; }
        footer {
            background: var(--bg-secondary);
            padding: 30px 15px 100px;
            border-top: 1px solid var(--border-light);
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 20px;
        }
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
        }
        .copyright {
            text-align: center;
            color: var(--text-muted);
            font-size: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
        }
        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .provider-wall { grid-template-columns: repeat(4, 1fr); }
        }