:root {
            --hijau-muda: #e8f5e9;
            --hijau: #43a047;
            --hijau-gelap: #2e7d32;
            --merah: #e53935;
            --kuning: #ffb300;
            --putih: #ffffff;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }

        body {
            background-color: var(--hijau);
            background-image: linear-gradient(135deg, var(--hijau) 0%, var(--hijau-gelap) 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        .login-container {
            width: 100%;
            max-width: 420px;
            background: var(--putih);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
            z-index: 1;
        }

        .login-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 8px;
            background: linear-gradient(90deg, var(--hijau) 0%, var(--kuning) 50%, var(--merah) 100%);
            z-index: 2;
        }

        .login-header {
            padding: 40px 30px 20px;
            text-align: center;
            position: relative;
        }

        .login-header h2 {
            color: var(--hijau-gelap);
            margin-bottom: 10px;
            font-size: 28px;
            font-weight: 600;
        }

        .login-header p {
            color: #666;
            font-size: 14px;
        }

        .login-form {
            padding: 0 30px 40px;
        }

        .form-group {
            margin-bottom: 25px;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--hijau-gelap);
            font-weight: 500;
            font-size: 14px;
        }

        .form-group input, .form-group select {
            width: 100%;
            padding: 14px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 15px;
            transition: all 0.3s;
            background-color: var(--hijau-muda);
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
        }

        .form-group select {
            padding-right: 40px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23777' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 15px center;
            background-size: 16px 12px;
        }

        .form-group input:focus, .form-group select:focus {
            border-color: var(--hijau);
            box-shadow: 0 0 0 3px rgba(67, 160, 71, 0.2);
            outline: none;
        }

        .form-group i {
            position: absolute;
            right: 15px;
            top: 40px;
            color: #777;
        }

        .login-btn {
            width: 100%;
            padding: 15px;
            background-color: var(--hijau);
            border: none;
            border-radius: 8px;
            color: white;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .login-btn:hover {
            background-color: var(--hijau-gelap);
            transform: translateY(-2px);
            box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
        }

        .footer-links {
            display: flex;
            justify-content: space-between;
            margin-top: 25px;
            font-size: 14px;
        }

        .footer-links a {
            color: var(--hijau-gelap);
            text-decoration: none;
            transition: color 0.3s;
            font-weight: 500;
        }

        .footer-links a:hover {
            color: var(--kuning);
            text-decoration: underline;
        }

        .error-message {
            color: var(--merah);
            font-size: 13px;
            margin-top: 5px;
            display: none;
        }

        /* Animasi */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .login-container {
            animation: fadeIn 0.6s ease-out forwards;
        }

        /* Responsive */
        @media (max-width: 480px) {
            .login-header {
                padding: 30px 20px 15px;
            }
            
            .login-header h2 {
                font-size: 24px;
            }
            
            .login-form {
                padding: 0 20px 30px;
            }
            
            .form-group input, .form-group select {
                padding: 12px 15px;
            }
            
            .login-btn {
                padding: 14px;
            }
        }