:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #FFC107;
            --main-bg: #0F0F0F;
            --surface: #1A1A1A;
            --elevated: #252525;
            --overlay: rgba(0, 0, 0, 0.85);
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #757575;
            --text-inverse: #000000;
            --border-def: #333333;
            --border-strong: #4D4D4D;
            --border-accent: #FFD700;
            --font-main: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
            --font-sec: 'Roboto', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--main-bg); color: var(--text-primary); font-family: var(--font-main); line-height: 1.5; overflow-x: hidden; }
        header { 
            background-color: var(--surface); 
            padding: 10px 15px; 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            position: sticky; 
            top: 0; 
            z-index: 1000; 
            border-bottom: 2px solid var(--border-accent);
        }
        header .logo-area { display: flex; align-items: center; gap: 8px; }
        header img { width: 25px; height: 25px; border-radius: 50%; }
        header strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        header .auth-btns { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 6px 15px; border-radius: 20px; cursor: pointer; font-family: var(--font-main); font-size: 14px; transition: 0.3s; }
        .btn-register { background: var(--primary); border: 1px solid var(--primary); color: var(--text-inverse); padding: 6px 15px; border-radius: 20px; cursor: pointer; font-family: var(--font-main); font-size: 14px; font-weight: 600; transition: 0.3s; }
        .btn-login:hover, .btn-register:hover { opacity: 0.8; transform: translateY(-2px); }
        main { padding: 0 0 80px 0; max-width: 600px; margin: 0 auto; }
        .banner-container { width: 100%; aspect-ratio: 2/1; overflow: hidden; cursor: pointer; }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .reward-section { background: linear-gradient(45deg, var(--surface), var(--elevated)); margin: 20px 15px; padding: 25px; border-radius: 15px; text-align: center; border: 1px solid var(--border-strong); }
        .reward-section h2 { color: var(--primary); font-size: 24px; margin-bottom: 15px; }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-big-reg { background: var(--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); width: 100%; }
        .intro-card { background: var(--surface); margin: 20px 15px; padding: 20px; border-radius: 15px; border-left: 5px solid var(--primary); }
        .intro-card h1 { font-size: 30px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }
        .section-title { padding: 0 15px; margin: 25px 0 15px; font-size: 22px; color: var(--highlight); display: flex; align-items: center; gap: 10px; }
        .section-title::after { content: ""; flex: 1; height: 1px; background: var(--border-strong); }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 15px; }
        .game-card { background: var(--elevated); border-radius: 12px; overflow: hidden; text-decoration: none; transition: 0.3s; border: 1px solid var(--border-def); }
        .game-card:hover { border-color: var(--primary); transform: scale(1.02); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 10px; font-size: 14px; text-align: center; color: var(--text-primary); }
        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 15px; }
        .pay-item { background: var(--surface); padding: 15px 5px; border-radius: 10px; text-align: center; border: 1px solid var(--border-def); }
        .pay-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 8px; }
        .pay-item span { font-size: 10px; color: var(--text-secondary); }
        .guideline-grid { padding: 0 15px; display: grid; gap: 15px; }
        .guide-item { background: var(--surface); padding: 15px; border-radius: 12px; border: 1px solid var(--border-def); }
        .guide-item h3 { color: var(--primary); font-size: 16px; margin-bottom: 8px; }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }
        .review-grid { padding: 0 15px; display: grid; gap: 15px; }
        .review-card { background: var(--elevated); padding: 15px; border-radius: 12px; border: 1px solid var(--border-def); }
        .rev-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .rev-header i { font-size: 24px; color: var(--primary); }
        .rev-user { font-weight: 600; font-size: 14px; }
        .rev-stars { color: var(--highlight); font-size: 12px; }
        .rev-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .rev-date { font-size: 11px; color: var(--text-muted); text-align: right; }
        .lottery-table { width: calc(100% - 30px); margin: 0 15px; background: var(--surface); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-def); }
        .lottery-row { display: grid; grid-template-columns: 1fr 1.5fr 1fr 1fr; padding: 12px 10px; border-bottom: 1px solid var(--border-def); font-size: 12px; align-items: center; }
        .lottery-row:last-child { border-bottom: none; }
        .lottery-head { background: var(--elevated); font-weight: bold; color: var(--primary); }
        .win-amt { color: var(--success); font-weight: bold; }
        .provider-wall { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 0 15px; }
        .prov-item { background: linear-gradient(135deg, var(--elevated), var(--surface)); padding: 15px; text-align: center; border-radius: 8px; border: 1px solid var(--border-accent); color: var(--primary); font-weight: bold; }
        .faq-section { padding: 0 15px; display: grid; gap: 12px; }
        .faq-item { background: var(--surface); padding: 15px; border-radius: 12px; border: 1px solid var(--border-def); }
        .faq-item h3 { font-size: 15px; color: var(--highlight); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }
        .security-section { background: var(--surface); margin: 20px 15px; padding: 20px; border-radius: 15px; text-align: center; border: 1px solid var(--border-strong); }
        .security-badges { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 24px; color: var(--primary); }
        .security-section p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
        .navigator { position: fixed; bottom: 0; left: 0; right: 0; background: var(--surface); display: flex; justify-content: space-around; padding: 10px 0; border-top: 2px solid var(--border-accent); z-index: 2000; }
        .nav-item { text-decoration: none; display: flex; flex-direction: column; align-items: center; gap: 5px; color: var(--text-secondary); font-size: 11px; transition: 0.3s; }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--primary); }
        footer { background: var(--surface); padding: 30px 15px 100px; border-top: 2px solid var(--border-strong); text-align: center; }
        .footer-contact { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 25px; font-size: 14px; }
        .footer-contact a { color: var(--primary); text-decoration: none; }
        .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; transition: 0.3s; }
        .footer-links a:hover { color: var(--primary); }
        .copyright { color: var(--text-muted); font-size: 12px; }