:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #FFB800;
            --main-bg: #0F0F0F;
            --surface: #1A1A1A;
            --overlay: rgba(0, 0, 0, 0.85);
            --card-bg: #252525;
            --text-primary: #FFFFFF;
            --text-secondary: #B3B3B3;
            --text-muted: #757575;
            --text-inverse: #000000;
            --success: #4CAF50;
            --error: #F44336;
            --warning: #FF9800;
            --info: #2196F3;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Noto Sans Bengali', sans-serif;
            --font-numeric: 'Roboto', 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);
            border-bottom: 2px solid var(--border-strong);
            padding: 10px 15px;
            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: 8px;
        }

        header .logo-area img {
            width: 25px;
            height: 25px;
            border-radius: 4px;
        }

        header .logo-area strong {
            font-size: 16px;
            font-weight: 400;
            color: var(--primary);
        }

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

        .btn {
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all 0.3s ease;
            font-family: var(--font-primary);
        }

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

        .btn-register {
            background-color: var(--primary);
            color: var(--text-inverse);
        }

        .btn-register:hover {
            background-color: var(--highlight);
            transform: translateY(-2px);
        }

        main {
            padding-bottom: 80px;
        }

        .banner-container {
            width: 100%;
            cursor: pointer;
        }

        .banner-container img {
            width: 100%;
            aspect-ratio: 2/1;
            object-fit: cover;
            display: block;
        }

        .section-container {
            padding: 20px 15px;
        }

        .reward-banner {
            background: linear-gradient(45deg, #FF4500, #FFD700);
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            margin-bottom: 25px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }

        .reward-banner h2 {
            color: var(--text-inverse);
            margin-bottom: 10px;
            font-size: 24px;
        }

        .reward-banner p {
            color: var(--text-inverse);
            margin-bottom: 20px;
            font-weight: 500;
        }

        .btn-huge {
            padding: 15px 30px;
            font-size: 18px;
            background: var(--text-inverse);
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: 50px;
            text-transform: uppercase;
        }

        .intro-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-medium);
            border-radius: 20px;
            padding: 20px;
            margin-bottom: 25px;
            text-align: center;
        }

        .intro-card h1 {
            color: var(--primary);
            font-size: 32px;
            margin-bottom: 15px;
        }

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

        .grid-title {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .grid-title::before {
            content: '';
            width: 4px;
            height: 24px;
            background: var(--primary);
            display: inline-block;
            border-radius: 2px;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }

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

        .game-card:hover {
            transform: scale(1.03);
            border-color: var(--primary);
        }

        .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;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }

        .payment-item {
            background-color: var(--card-bg);
            padding: 15px 5px;
            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: 20px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .guide-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-bottom: 30px;
        }

        .guide-card {
            background-color: var(--surface);
            padding: 15px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
        }

        .guide-card h3 {
            color: var(--primary);
            font-size: 16px;
            margin-bottom: 8px;
        }

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

        .comment-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-bottom: 30px;
        }

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

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

        .comment-header i {
            font-size: 24px;
            color: var(--primary);
        }

        .comment-user {
            font-weight: 600;
            font-size: 14px;
        }

        .comment-rating {
            color: var(--highlight);
            font-size: 12px;
            margin-left: auto;
        }

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

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

        .lottery-list {
            background-color: var(--surface);
            border-radius: 15px;
            padding: 15px;
            margin-bottom: 30px;
        }

        .lottery-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 13px;
        }

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

        .win-amount {
            color: var(--primary);
            font-weight: 700;
            font-family: var(--font-numeric);
        }

        .provider-wall {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }

        .provider-item {
            background: linear-gradient(135deg, var(--card-bg), #333);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--border-medium);
        }

        .faq-container {
            margin-bottom: 30px;
        }

        .faq-item {
            background-color: var(--surface);
            margin-bottom: 10px;
            border-radius: 10px;
            overflow: hidden;
        }

        .faq-question {
            padding: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            background-color: var(--card-bg);
        }

        .faq-answer {
            padding: 15px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            border-top: 1px solid var(--border-light);
        }

        .safety-box {
            background-color: var(--surface);
            border: 1px dashed var(--primary);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            margin-bottom: 30px;
        }

        .safety-box h2 {
            font-size: 18px;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .safety-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 15px;
            font-size: 24px;
            color: var(--text-secondary);
        }

        .safety-box p {
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            text-align: center;
            font-size: 12px;
            flex: 1;
        }

        .nav-item i {
            display: block;
            font-size: 20px;
            margin-bottom: 4px;
            color: var(--primary);
        }

        footer {
            background-color: var(--surface);
            padding: 30px 15px 100px 15px;
            border-top: 1px solid var(--border-medium);
        }

        .footer-contact {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-bottom: 30px;
            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;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 12px;
            text-align: center;
        }

        .footer-copy {
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
        }