html, body {
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            display: flex;
            flex-direction: column;
        }
        
        .content-wrap {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        html {
            min-height: 100vh;
        }
        
        .glass-effect {
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            width: 100%;
            box-sizing: border-box;
        }
        
        .card-flat {
            border: 1px solid #e2e8f0;
            border-radius: 0.75rem;
            transition: all 0.2s ease;
            background-color: #ffffff;
        }
        
        .card-flat:hover {
            border-color: #cbd5e1;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
            transform: translateY(-2px);
        }
        
        .loading-spinner {
            border: 4px solid #f3f4f6;
            border-top: 4px solid #3b82f6;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .line-clamp-1 {
            overflow: hidden;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 1;
        }
        
        .line-clamp-2 {
            overflow: hidden;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }
        
        .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 3px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 3px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }
        
        .balance-display {
            transition: all 0.3s ease;
        }
        
        .balance-sufficient {
            border-color: rgba(34, 197, 94, 0.3);
            background-color: rgba(34, 197, 94, 0.05);
        }
        
        .balance-insufficient {
            border-color: rgba(239, 68, 68, 0.3);
            background-color: rgba(239, 68, 68, 0.05);
        }
        
        .mobile-menu {
            transform: translateX(100%);
            transition: transform 0.3s ease-in-out;
        }
        
        .mobile-menu.active {
            transform: translateX(0);
        }
        
        .menu-overlay {
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
        }
        
        .menu-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .content-wrap {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .info-card {
            border-radius: 0.75rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.5);
            background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,250,252,1) 100%);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
        }
        
        .info-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--card-accent) 0%, rgba(255,255,255,0) 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .info-card:hover {
            transform: translateY(-5px);
            border-color: rgba(203, 213, 225, 0.8);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
        }
        
        .info-card:hover::before {
            opacity: 1;
        }
        
        .purchase-card {
            border: 1px solid #e2e8f0;
            border-radius: 0.75rem;
            background-color: #ffffff;
            transition: all 0.3s ease;
        }
        
        .purchase-card:hover {
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.02);
        }
        
        .btn-primary {
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn-primary::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: all 0.6s ease;
            z-index: -1;
        }
        
        .btn-primary:hover::after {
            left: 100%;
        }
        
        .progress-bar {
            transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }
        
        .cpu-card { --card-accent: #3b82f6; }
        .memory-card { --card-accent: #22c55e; }
        .system-disk-card { --card-accent: #ec4899; }
        .data-disk-card { --card-accent: #ec4899; }
        .bandwidth-card { --card-accent: #f59e0b; }
        .ip-card { --card-accent: #8b5cf6; }
        .billing-card { --card-accent: #0ea5e9; }
        .price-card { --card-accent: #ef4444; }