* {
            padding: 0;
            margin: 0;
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: 'Open Sans', sans-serif;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-color: #0f0e13;
            color: white;
            min-height: 100vh;
        }

        .gradient-bg-welcome {
            background-color: #0f0e13;
            background-image: 
                radial-gradient(at 0% 0%, hsla(253, 16%, 7%, 1) 0, transparent 50%), 
                radial-gradient(at 50% 0%, hsla(225, 39%, 30%, 1) 0, transparent 50%), 
                radial-gradient(at 100% 0%, hsla(339, 49%, 30%, 1) 0, transparent 50%);
            min-height: 100vh;
            padding: 20px;
        }

        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            margin-bottom: 30px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            font-size: 24px;
            color: #4f46e5;
        }

        .logo-text {
            font-size: 24px;
            font-weight: bold;
            background: linear-gradient(90deg, #4f46e5, #06b6d4);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 20px;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #4f46e5;
        }

        .connect-wallet-btn {
            background: linear-gradient(90deg, #4f46e5, #06b6d4);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .connect-wallet-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(79, 70, 229, 0.4);
        }

        .connect-wallet-btn.connected {
            background: #10b981;
        }

        .hero {
            text-align: center;
            margin-bottom: 40px;
            padding: 0 20px;
        }

        .hero h1 {
            font-size: 42px;
            margin-bottom: 15px;
            background: linear-gradient(90deg, #4f46e5, #06b6d4);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
        }

        .hero p {
            font-size: 18px;
            color: #a0aec0;
            max-width: 600px;
            margin: 0 auto 30px;
        }

        .quote {
            font-style: italic;
            color: #a0aec0;
            margin-bottom: 30px;
            padding: 20px;
            border-left: 3px solid #4f46e5;
            background: rgba(39, 51, 89, 0.2);
            border-radius: 0 8px 8px 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .card {
            background: rgba(39, 51, 89, 0.4);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }

        .card h2 {
            font-size: 24px;
            margin-bottom: 20px;
            color: white;
            position: relative;
            padding-bottom: 10px;
        }

        .card h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: linear-gradient(90deg, #4f46e5, #06b6d4);
            border-radius: 3px;
        }

        .wallet-section {
            grid-column: 1 / -1;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #e2e8f0;
        }

        input {
            width: 100%;
            padding: 12px 15px;
            background: rgba(15, 23, 42, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: white;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        input:focus {
            outline: none;
            border-color: #4f46e5;
        }

        button {
            background: linear-gradient(90deg, #4f46e5, #06b6d4);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(79, 70, 229, 0.4);
        }

        button:disabled {
            background: #4a5568;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .wallet-info {
            margin-top: 20px;
        }

        .wallet-info p {
            margin-bottom: 10px;
            color: #a0aec0;
        }

        .wallet-info span {
            color: white;
            font-weight: 600;
        }

        #qrCodeContainer {
            margin-top: 20px;
            text-align: center;
        }

        #qrCode {
            background: white;
            padding: 10px;
            border-radius: 8px;
            margin: 0 auto;
        }

        .hidden {
            display: none;
        }

        .transaction-status {
            margin-top: 20px;
            padding: 15px;
            border-radius: 8px;
            background: rgba(39, 51, 89, 0.6);
            border-left: 4px solid #4f46e5;
        }

        .transaction-status.success {
            border-left-color: #10b981;
        }

        .transaction-status.error {
            border-left-color: #ef4444;
        }

        .transaction-history {
            max-height: 400px;
            overflow-y: auto;
        }

        .transaction-item {
            padding: 15px;
            margin-bottom: 10px;
            background: rgba(15, 23, 42, 0.5);
            border-radius: 8px;
            transition: background 0.3s;
        }

        .transaction-item:hover {
            background: rgba(15, 23, 42, 0.7);
        }

        .transaction-item p {
            margin-bottom: 5px;
        }

        .transaction-item a {
            color: #4f46e5;
            text-decoration: none;
            font-weight: 600;
        }

        .features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
            grid-column: 1 / -1;
        }

        .feature-card {
            background: rgba(39, 51, 89, 0.4);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-5px);
        }

        .feature-icon {
            font-size: 32px;
            margin-bottom: 15px;
            color: #4f46e5;
        }

        .feature-card h3 {
            margin-bottom: 10px;
            color: white;
        }

        .feature-card p {
            color: #a0aec0;
            font-size: 14px;
        }

        @media (max-width: 768px) {
            .container {
                grid-template-columns: 1fr;
            }
            
            .features {
                grid-template-columns: 1fr;
            }
            
            .header {
                flex-direction: column;
                gap: 15px;
            }
            
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
            }
        }