:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #00FF00;
            --main-bg: #0F0F0F;
            --surface-bg: #1A1A1A;
            --card-bg: #252525;
            --overlay-bg: rgba(0, 0, 0, 0.85);
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #808080;
            --text-accent: #FFD700;
            --border-default: #333333;
            --border-active: #FFD700;
            --border-soft: #444444;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            background-color: var(--main-bg);
            color: var(--text-primary);
            font-family: var(--font-primary);
            line-height: 1.5;
            overflow-x: hidden;
        }

        header {
            background-color: var(--surface-bg);
            border-bottom: 2px solid var(--border-default);
            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: 4px;
        }

        header .logo-area strong {
            font-size: 16px;
            font-weight: normal;
            color: var(--text-primary);
        }

        header .auth-buttons {
            display: flex;
            gap: 10px;
        }

        .btn-login, .btn-register {
            padding: 6px 15px;
            border-radius: 6px;
            font-family: var(--font-primary);
            cursor: pointer;
            font-weight: 500;
            transition: 0.3s;
            border: none;
        }

        .btn-login {
            background-color: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-active);
        }

        .btn-register {
            background-color: var(--primary);
            color: #000;
        }

        .btn-login:hover, .btn-register:hover {
            opacity: 0.8;
        }

        main {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 15px 100px 15px;
        }

        .banner-container {
            margin-top: 15px;
            border-radius: 15px;
            overflow: hidden;
            cursor: pointer;
            aspect-ratio: 2/1;
        }

        .banner-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .reward-section {
            background: linear-gradient(45deg, #1a1a1a, #2c2c2c);
            border: 2px solid var(--primary);
            border-radius: 15px;
            padding: 30px 20px;
            text-align: center;
            margin: 20px 0;
        }

        .reward-section h2 {
            color: var(--primary);
            font-size: 24px;
            margin-bottom: 15px;
        }

        .reward-section p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .btn-main-reward {
            background-color: var(--accent);
            color: white;
            padding: 15px 40px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 15px var(--accent);
        }

        .intro-card {
            background-color: var(--card-bg);
            border-radius: 20px;
            padding: 25px;
            margin: 20px 0;
            border-left: 5px solid var(--primary);
        }

        .intro-card h1 {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .intro-card p {
            color: var(--text-secondary);
            font-size: 16px;
        }

        .section-title {
            font-size: 24px;
            color: var(--text-primary);
            margin: 30px 0 20px;
            border-bottom: 2px solid var(--border-default);
            padding-bottom: 10px;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .game-card {
            background-color: var(--surface-bg);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            border: 1px solid var(--border-default);
            transition: transform 0.2s;
        }

        .game-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            display: block;
        }

        .game-card h3 {
            padding: 12px;
            font-size: 16px;
            text-align: center;
            color: var(--text-primary);
            background-color: var(--card-bg);
        }

        .payment-methods {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin: 20px 0;
        }

        .payment-item {
            background-color: var(--surface-bg);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            font-size: 14px;
            border: 1px solid var(--border-soft);
        }

        .payment-item i {
            display: block;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .guideline-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin: 20px 0;
        }

        .guideline-card {
            background-color: var(--card-bg);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-soft);
        }

        .guideline-card h3 {
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 18px;
        }

        .guideline-card p {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .comment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 20px 0;
        }

        .comment-card {
            background-color: var(--surface-bg);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid var(--border-default);
        }

        .comment-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .comment-header i {
            font-size: 30px;
            color: var(--secondary);
        }

        .comment-user {
            font-weight: bold;
            color: var(--text-primary);
        }

        .comment-rating {
            color: var(--primary);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .comment-text {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .comment-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .lottery-list {
            background-color: var(--card-bg);
            border-radius: 15px;
            overflow: hidden;
        }

        .lottery-item {
            display: flex;
            justify-content: space-between;
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-soft);
            font-size: 14px;
        }

        .lottery-item:last-child { border-bottom: none; }

        .win-amount {
            color: var(--highlight);
            font-weight: bold;
        }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin: 20px 0;
        }

        .provider-item {
            background: linear-gradient(135deg, #333, #111);
            padding: 15px;
            text-align: center;
            border-radius: 10px;
            color: var(--primary);
            font-weight: bold;
            border: 1px solid var(--border-soft);
        }

        .faq-section {
            margin: 20px 0;
        }

        .faq-item {
            background-color: var(--surface-bg);
            margin-bottom: 10px;
            border-radius: 10px;
            padding: 15px;
            border: 1px solid var(--border-default);
        }

        .faq-item h3 {
            color: var(--primary);
            font-size: 16px;
            margin-bottom: 10px;
        }

        .faq-item p {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .security-section {
            text-align: center;
            padding: 30px 20px;
            background-color: var(--surface-bg);
            border-radius: 20px;
            margin: 30px 0;
            border: 1px dashed var(--primary);
        }

        .security-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .security-icons i {
            font-size: 40px;
            color: var(--primary);
        }

        .security-text {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 15px;
        }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--surface-bg);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 10px 0;
            border-top: 2px solid var(--border-active);
            z-index: 1001;
        }

        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            text-align: center;
            font-size: 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-item i {
            font-size: 20px;
            color: var(--text-primary);
        }

        footer {
            background-color: var(--surface-bg);
            padding: 30px 20px 120px 20px;
            border-top: 2px solid var(--border-default);
            text-align: center;
        }

        .footer-contact {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-bottom: 25px;
            color: var(--text-secondary);
            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: 30px;
            text-align: left;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            display: block;
            padding: 5px 0;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .copyright {
            color: var(--text-muted);
            font-size: 12px;
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
        }

        @media (max-width: 600px) {
            .payment-methods { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(2, 1fr); }
        }