:root {
            --primary: #446d46;
            --secondary: #ffd60a;
            --dark: #001d3d;
            --light: #f8f9fa;
            --success: #3b923b;
            --danger: #e53e3e;
            --text-body: #7a8a9e;
            --white: #ffffff;
            --gray-100: #f8f9fa;
            --gray-200: #e9ecef;
            --gray-300: #dee2e6;
            --gray-600: #6c757d;
            --info: #17a2b8;
            --warning: #ffc107;
        }
   * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            background: linear-gradient(135deg, #446d46 0%, #3b923b 50%, #ffd60a 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            position: relative;
        }

        .portal-wrapper {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .brand-logo {
            width: 80px;
            height: 80px;
            background: white;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 12px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
            margin-bottom: 20px;
            z-index: 10;
            position: relative;
        }

        .brand-logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .login-container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            width: 100%;
            max-width: 400px;
            animation: slideIn 0.6s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .login-header {
            background: linear-gradient(135deg, #446d46 0%, #3b923b 100%);
            color: white;
            padding: 30px 30px 40px 30px;
            text-align: center;
        }

        .login-header h1 {
            font-family: 'Poppins', sans-serif;
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .login-header p {
            font-size: 14px;
            opacity: 0.9;
        }

        .login-form {
            padding: 40px 30px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: #001d3d;
            font-weight: 600;
            font-size: 14px;
        }

        .input-wrapper {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #7a8a9e;
            font-size: 16px;
        }

        input[type="text"],
        input[type="password"] {
            width: 100%;
            padding: 15px 15px 15px 45px;
            border: 2px solid #e1e5e9;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: #f8f9fa;
        }

        input[type="text"]:focus,
        input[type="password"]:focus {
            outline: none;
            border-color: #446d46;
            background: white;
            box-shadow: 0 0 0 3px rgba(68, 109, 70, 0.1);
        }

        .login-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #446d46 0%, #3b923b 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 10px;
        }

        .login-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(68, 109, 70, 0.3);
        }

        .alert {
            padding: 12px 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .alert-error {
            background: #ffeaea;
            color: #e53e3e;
            border: 1px solid #ffcdd2;
        }

        .alert-success {
            background: #e8f5e8;
            color: #3b923b;
            border: 1px solid #c8e6c9;
        }

        .footer {
            text-align: center;
            padding: 20px;
            color: #7a8a9e;
            font-size: 12px;
            border-top: 1px solid #e1e5e9;
            background: #fafbfc;
        }

        @media (max-width: 480px) {
            .login-container {
                margin: 10px;
            }
            
            .login-form {
                padding: 30px 20px;
            }
            
            .login-header {
                padding: 30px 20px;
            }
        }