 /* Ultra-Premium CSS */
        :root {
            --primary: #0a192f;
            --secondary: #172a45;
            --accent: #64ffda;
            --gold: #FFD700;
            --btc: #F7931A;
            --usd: #28A745;
            --eth: #627EEA;
            --text: #ccd6f6;
            --text-secondary: #8892b0;
            --danger: #ff5555;
            --glass: rgba(10, 25, 47, 0.85);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Calibre', 'Inter', 'San Francisco', 'SF Pro Text', -apple-system, sans-serif;
        }
        
        body {
            background-color: #0a192f;
            background-image: 
                radial-gradient(at 80% 0%, hsla(189,100%,56%,0.15) 0px, transparent 50%),
                radial-gradient(at 0% 50%, hsla(355,100%,93%,0.15) 0px, transparent 50%);
            color: var(--text);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        /* Luxury Login */
        .login-container {
            max-width: 480px;
            margin: auto;
            padding: 50px;
            background: var(--glass);
            border-radius: 24px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(100, 255, 218, 0.1);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .login-header {
            margin-bottom: 40px;
        }
        
        .login-header h1 {
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(90deg, #64ffda, #3a7bd5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
        }
        
        input {
            width: 100%;
            padding: 16px 20px;
            margin: 15px 0;
            background: rgba(23, 42, 69, 0.5);
            border: 1px solid rgba(100, 255, 218, 0.1);
            border-radius: 8px;
            font-size: 16px;
            color: var(--text);
            transition: all 0.3s ease;
        }
        
        button {
            background: var(--accent);
            color: var(--primary);
            border: none;
            padding: 16px 28px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            margin-top: 20px;
            transition: all 0.3s;
            font-size: 16px;
            letter-spacing: 0.5px;
            position: relative;
            overflow: hidden;
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(100, 255, 218, 0.3);
        }
        
        button.secondary {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }
        
        /* Premium Dashboard */
        .dashboard {
            display: none;
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 30px;
        }
        
        .dashboard-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 30px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid rgba(136, 146, 176, 0.2);
        }
        
        .dashboard-title h1 {
            font-size: 36px;
            font-weight: 700;
            background: linear-gradient(90deg, #64ffda, #3a7bd5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }
        
        /* Asset Cards */
        .assets-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }
        
        .asset-card {
            background: var(--glass);
            border-radius: 16px;
            padding: 30px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(100, 255, 218, 0.1);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
        }
        
        .asset-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .asset-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .asset-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        
        .icon-gold {
            background: rgba(255, 215, 0, 0.2);
            color: var(--gold);
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        
        .icon-btc {
            background: rgba(247, 147, 26, 0.2);
            color: var(--btc);
            border: 1px solid rgba(247, 147, 26, 0.3);
        }
        
        .icon-usd {
            background: rgba(40, 167, 69, 0.2);
            color: var(--usd);
            border: 1px solid rgba(40, 167, 69, 0.3);
        }
        
        .icon-eth {
            background: rgba(98, 126, 234, 0.2);
            color: var(--eth);
            border: 1px solid rgba(98, 126, 234, 0.3);
        }
        
        .asset-amount {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        
        .asset-change {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 15px;
        }
        
        .asset-change.positive {
            color: var(--accent);
        }
        
        .asset-change.negative {
            color: var(--danger);
        }
        
        .asset-details {
            margin-top: 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        /* TRB Protection */
        .trb-protection {
            background: var(--glass);
            border-radius: 16px;
            padding: 30px;
            margin-bottom: 40px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(100, 255, 218, 0.1);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }
        
        .trb-header {
            margin-bottom: 25px;
        }
        
        .trb-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .trb-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        
        .trb-text {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        
        .trb-visual {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .protection-graphic {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            height: 200px;
        }
        
        .protection-circle {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: conic-gradient(
                var(--gold) 0% 50%,
                var(--btc) 50% 80%,
                var(--eth) 80% 95%,
                var(--usd) 95% 100%
            );
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
            animation: rotate 10s linear infinite;
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        .protection-circle::after {
            content: '';
            position: absolute;
            width: 80%;
            height: 80%;
            border-radius: 50%;
            background: var(--secondary);
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
        }
        
        .protection-labels {
            margin-left: 30px;
        }
        
        .protection-label {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            font-size: 16px;
        }
        
        .protection-label-color {
            width: 20px;
            height: 20px;
            border-radius: 4px;
            margin-right: 10px;
        }
        
        /* Withdraw Options */
        .withdraw-options {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        
        .withdraw-card {
            background: var(--glass);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            border: 1px solid rgba(100, 255, 218, 0.1);
        }
        
        .withdraw-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
        }
        
        .withdraw-icon {
            font-size: 40px;
            margin-bottom: 15px;
        }
        
        /* Instant Checkout Button */
        .instant-checkout {
            background: var(--gold);
            color: var(--primary);
            font-weight: 700;
            margin-top: 20px;
        }
        
        /* Error Message */
        .error-message {
            color: var(--danger);
            margin: 15px 0;
            display: none;
        }
        
        /* Responsive */
        @media (max-width: 1200px) {
            .trb-content {
                grid-template-columns: 1fr;
            }
            
            .protection-graphic {
                margin-top: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .login-container {
                padding: 30px;
                width: 90%;
            }
            
            .assets-grid {
                grid-template-columns: 1fr;
            }
        }