:root {
            --primary: #FFD700;
            --primary-variant: #FFC107;
            --secondary: #B8860B;
            --accent: #FF4500;
            --bg-default: #050505;
            --bg-paper: #121212;
            --bg-elevated: #1E1E1E;
            --overlay: rgba(0, 0, 0, 0.85);
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-disabled: #666666;
            --success: #00C853;
            --error: #FF1744;
            --border-default: #333333;
            --font-main: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-display: 'Galada', cursive;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-default);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        header {
            background: var(--bg-paper);
            padding: 10px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-default);
        }

        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand img { width: 25px; height: 25px; object-fit: contain; }
        .header-brand strong { font-size: 16px; font-weight: 400; color: var(--primary); }

        .header-auth { display: flex; gap: 10px; }
        .btn {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: 0.3s;
        }
        .btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-register { background: var(--primary); color: #000; }

        .banner { width: 100%; aspect-ratio: 2/1; cursor: pointer; }
        .banner img { width: 100%; height: 100%; object-fit: cover; }

        .jackpot-container {
            margin: 20px 15px;
            background: linear-gradient(145deg, #1e1e1e, #121212);
            padding: 20px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--secondary);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
        }
        .jackpot-title { color: var(--primary); font-size: 18px; margin-bottom: 10px; }
        .jackpot-amount { font-size: 32px; font-weight: 700; color: var(--primary); font-family: 'Roboto', sans-serif; }

        .intro-card { margin: 20px 15px; padding: 20px; background: var(--bg-paper); border-radius: 12px; }
        .intro-card h1 { font-size: 22px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { font-size: 14px; color: var(--text-secondary); text-align: justify; }

        .game-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding: 15px;
        }
        .game-card {
            background: var(--bg-elevated);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: transform 0.2s;
            border: 1px solid var(--border-default);
        }
        .game-card:active { transform: scale(0.98); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 {
            padding: 10px;
            font-size: 14px;
            color: var(--text-primary);
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .section-title { padding: 15px 15px 5px; font-size: 20px; color: var(--primary); display: flex; align-items: center; gap: 8px; }

        .payment-section {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 15px;
            background: var(--bg-paper);
            margin: 20px 0;
        }
        .payment-item { text-align: center; font-size: 10px; color: var(--text-secondary); }
        .payment-item i { font-size: 24px; color: var(--primary); display: block; margin-bottom: 5px; }

        .guidelines { padding: 15px; }
        .guide-item { margin-bottom: 20px; background: var(--bg-elevated); padding: 15px; border-radius: 10px; }
        .guide-item h3 { color: var(--primary-variant); margin-bottom: 8px; font-size: 16px; }
        .guide-item p { font-size: 13px; color: var(--text-secondary); }

        .lottery-ticker {
            background: var(--bg-paper);
            padding: 15px;
            margin: 20px 0;
            overflow: hidden;
            border-top: 1px solid var(--border-default);
            border-bottom: 1px solid var(--border-default);
        }
        .lottery-track { display: flex; flex-direction: column; animation: scrollUp 20s linear infinite; }
        @keyframes scrollUp { 0% { transform: translateY(0); } 100% { transform: translateY(-50%); } }
        .lottery-item { padding: 8px 0; border-bottom: 1px dashed #333; font-size: 13px; display: flex; justify-content: space-between; }
        .win-amt { color: var(--primary); font-weight: bold; }

        .providers { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 15px; }
        .provider-box {
            background: linear-gradient(45deg, #1a1a1a, #252525);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            color: var(--primary);
            font-weight: 600;
            border: 1px solid #333;
        }

        .reviews { padding: 15px; }
        .review-card { background: var(--bg-paper); padding: 15px; border-radius: 12px; margin-bottom: 15px; border-left: 4px solid var(--primary); }
        .review-user { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
        .review-user i { font-size: 20px; color: var(--text-secondary); }
        .stars { color: var(--primary); font-size: 12px; }

        .faq { padding: 15px; }
        .faq-item { margin-bottom: 15px; border-bottom: 1px solid var(--border-default); padding-bottom: 10px; }
        .faq-item h3 { font-size: 15px; color: var(--primary); margin-bottom: 5px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .security-section { padding: 20px 15px; text-align: center; background: #0a0a0a; }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 30px; color: var(--text-secondary); }

        .navigator {
            position: fixed;
            bottom: 0;
            width: 100%;
            background: var(--bg-paper);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-default);
            z-index: 1000;
        }
        .nav-item { text-decoration: none; text-align: center; color: var(--text-secondary); font-size: 11px; }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 2px; }

        footer { padding: 30px 15px 100px; background: #000; color: var(--text-secondary); font-size: 13px; }
        .footer-contacts { display: flex; flex-wrap: wrap; gap: 15px; margin-bottom: 20px; }
        .footer-contacts a { color: var(--primary); text-decoration: none; }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 20px; }
        .footer-links a { color: var(--text-secondary); text-decoration: none; }
        .copyright { text-align: center; padding-top: 20px; border-top: 1px solid #222; font-size: 11px; }