        /* Minimal custom CSS - only for overrides */
        body {
            background: linear-gradient(135deg, #071329, #102448, #1a2f57);
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        
        .card-glass {
            background: rgba(12, 23, 46, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .brand-gradient {
            background: linear-gradient(180deg, #15916d, #0f7e60);
        }
        
        .btn-primary-custom {
            background: linear-gradient(135deg, #15916d, #0f7e60);
            border: none;
            transition: all 0.3s ease;
        }
        
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(21, 145, 109, 0.3);
            background: linear-gradient(135deg, #0f7e60, #0c6b52);
        }
        
        .input-dark {
            background-color: #07142b !important;
            border-color: rgba(255, 255, 255, 0.08) !important;
            color: #fff !important;
        }
        
        .input-dark:focus {
            background-color: #07142b !important;
            border-color: #15916d !important;
            box-shadow: 0 0 0 0.25rem rgba(21, 145, 109, 0.25) !important;
            color: #fff !important;
        }
        
        .input-dark::placeholder {
            color: rgba(255, 255, 255, 0.4) !important;
        }
        
        .tab-active {
            background: linear-gradient(135deg, #15916d, #0f7e60) !important;
            color: white !important;
            box-shadow: 0 5px 15px rgba(21, 145, 109, 0.3);
        }
        
        .logo-circle {
            width: 100px;
            height: 100px;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.25);
        }
        
        .captcha-box {
            background: #f0f2f5;
            border-radius: 8px;
        }
        
        .transition-all {
            transition: all 0.3s ease;
        }
        
        .form-container {
            display: none;
        }
        
        .form-container.active {
            display: block;
            animation: fadeIn 0.3s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .input-icon {
            background-color: #08162f !important;
            border-color: rgba(255, 255, 255, 0.08) !important;
            color: #15916d !important;
        }
        
        @media (max-width: 768px) {
            .display-5 {
                font-size: 1.8rem;
            }
        }