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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: #f3f4f6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #1f2937;
        }

        .login-wrapper {
            width: 100%;
            max-width: 520px;
            /* Increased from 420px */
            padding: 20px;
        }

        .brand-section {
            text-align: center;
            margin-bottom: 40px;
        }

        .brand-title {
            font-size: 42px;
            /* Increased from 36px */
            font-weight: 800;
            color: #4f46e5;
            letter-spacing: -1px;
            margin-bottom: 8px;
        }

        .brand-subtitle {
            font-size: 18px;
            /* Increased from 16px */
            color: #6b7280;
            font-weight: 500;
        }

        .login-card {
            background: white;
            padding: 50px;
            /* Increased from 40px */
            border-radius: 16px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-label {
            display: block;
            font-size: 16px;
            /* Increased from 14px */
            font-weight: 500;
            color: #374151;
            margin-bottom: 8px;
        }

        .form-input {
            width: 100%;
            padding: 16px 20px;
            /* Increased from 12px 16px */
            border: 1px solid #d1d5db;
            border-radius: 8px;
            font-size: 16px;
            /* Increased from 15px */
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .form-input:focus {
            border-color: #4f46e5;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .btn-login {
            width: 100%;
            padding: 16px;
            /* Increased from 14px */
            background-color: #4f46e5;
            color: white;
            font-size: 18px;
            /* Increased from 16px */
            font-weight: 600;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .btn-login:hover {
            background-color: #4338ca;
        }

        .btn-login:disabled {
            background-color: #a5b4fc;
            cursor: not-allowed;
        }

        .alert {
            padding: 14px;
            border-radius: 8px;
            margin-bottom: 24px;
            font-size: 14px;
            display: none;
            line-height: 1.5;
        }

        .alert.error {
            background-color: #fef2f2;
            color: #991b1b;
            border: 1px solid #fecaca;
        }

        .alert.success {
            background-color: #ecfdf5;
            color: #065f46;
            border: 1px solid #a7f3d0;
        }

        .alert.info {
            background-color: #eff6ff;
            color: #1e40af;
            border: 1px solid #bfdbfe;
        }

        .credentials-info {
            margin-top: 30px;
            text-align: center;
            font-size: 13px;
            color: #9ca3af;
        }

        .credentials-details {
            margin-top: 10px;
            padding: 15px;
            background-color: #f9fafb;
            border-radius: 8px;
            text-align: left;
            border: 1px solid #e5e7eb;
            display: none;
            /* Hidden by default for simple look, toggled via JS if needed or just remove */
        }

        /* Footer */
        .footer-copy {
            margin-top: 40px;
            font-size: 12px;
            color: #9ca3af;
        }
    </style>