* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #1E90FF 0%, #0080FF 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        
        .login-container {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 450px;
        }
        
        .logo {
            text-align: center;
            margin-bottom: 2rem;
        }
        
        .logo-img {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-bottom: 1rem;
        }
        
        .logo-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.8rem;
            font-weight: bold;
        }
        
        .logo h1 {
            color: #2c5aa0;
            font-size: 1.8rem;
            margin: 0;
        }
        
        .logo h1 .highlight {
            color: #FF8C00;
        }
        
        .section-title {
            background: #f0f4f8;
            padding: 1rem;
            text-align: center;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }
        
        .section-title h2 {
            color: #2c5aa0;
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
        }
        
        .section-title p {
            color: #666;
            font-size: 0.9rem;
            margin: 0;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .input-with-icon {
            position: relative;
            display: flex;
            align-items: center;
        }
        
        .input-icon {
            position: absolute;
            left: 15px;
            font-size: 1.2rem;
            color: #666;
        }
        
        input[type="text"], input[type="password"] {
            width: 100%;
            padding: 12px 15px 12px 45px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        input:focus {
            outline: none;
            border-color: #1E90FF;
            box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.1);
        }
        
        .user-type-selector {
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .user-type-option {
            flex: 1;
            position: relative;
        }
        
        .user-type-option input[type="radio"] {
            position: absolute;
            opacity: 0;
        }
        
        .user-type-label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 12px 15px;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
        
        .user-type-option input[type="radio"]:checked + .user-type-label {
            border-color: #1E90FF;
            background: #E6F2FF;
            color: #2c5aa0;
            font-weight: 600;
        }
        
        .checkbox-icon {
            width: 20px;
            height: 20px;
            border: 2px solid #cbd5e0;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .user-type-option input[type="radio"]:checked + .user-type-label .checkbox-icon {
            background: #1E90FF;
            border-color: #1E90FF;
            color: white;
        }
        
        .user-type-option input[type="radio"]:checked + .user-type-label .checkbox-icon::after {
            content: "✓";
            font-size: 14px;
        }
        
        .btn-login {
            width: 100%;
            padding: 14px;
            background: #1E90FF;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .btn-login:hover:not(:disabled) {
            background: #1873CC;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(30, 144, 255, 0.4);
        }
        
        .btn-login:disabled {
            background: #a0aec0;
            cursor: not-allowed;
        }
        
        .alert {
            padding: 12px 15px;
            border-radius: 8px;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            display: none;
        }
        
        .alert.show {
            display: block;
        }
        
        .alert-error {
            background: #fed7d7;
            color: #c53030;
            border-left: 4px solid #c53030;
        }
        
        .alert-success {
            background: #c6f6d5;
            color: #22543d;
            border-left: 4px solid #22543d;
        }
        
        .loading {
            display: none;
            text-align: center;
            margin-top: 1rem;
        }
        
        .loading.show {
            display: block;
        }
        
        .spinner {
            border: 3px solid #f3f4f6;
            border-top: 3px solid #1E90FF;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            animation: spin 1s linear infinite;
            margin: 0 auto;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .auth-link {
            text-align: center;
            margin-top: 1rem;
            color: #666;
            font-size: 0.9rem;
        }
        
        .auth-link a {
            color: #1E90FF;
            text-decoration: none;
            font-weight: 600;
        }
        
        .auth-link a:hover {
            color: #1873CC;
            text-decoration: underline;
        }
        
        .support-info {
            text-align: center;
            margin-top: 1.5rem;
            padding-top: 1rem;
            border-top: 1px solid #e2e8f0;
        }
        
        .support-info p {
            color: #FF6347;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        
        .support-info .disclaimer {
            color: #666;
            font-size: 0.75rem;
            font-style: italic;
            line-height: 1.4;
        }
        
        .footer {
            text-align: center;
            margin-top: 1rem;
            color: #999;
            font-size: 0.8rem;
        }
        
        @media (max-width: 500px) {
            .login-container {
                padding: 2rem 1.5rem;
            }
            
            .logo h1 {
                font-size: 1.5rem;
            }
        }