/* Background dan font */
        body {
            background: linear-gradient(135deg, #2980b9, #2c3e50);
            font-family: "Poppins", sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }

        /* Card container */
        .card {
            background: #ffffff;
            width: 350px;
            padding: 40px 30px;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
            text-align: center;
            animation: fadeIn 0.6s ease;
        }

        /* Animasi masuk lembut */
        @keyframes fadeIn {
            from {opacity: 0; transform: translateY(10px);}
            to {opacity: 1; transform: translateY(0);}
        }

        /* Judul */
        .card h2 {
            margin-bottom: 10px;
            color: #2c3e50;
        }
        .card p {
            color: #7f8c8d;
            margin-bottom: 30px;
        }

        /* Input */
        .input-group {
            text-align: left;
            margin-bottom: 20px;
        }

        .input-group label {
            display: block;
            font-size: 14px;
            margin-bottom: 5px;
            color: #34495e;
        }

        .input-group input {
            width: 100%;
            padding: 10px;
            border: 1px solid #bdc3c7;
            border-radius: 8px;
            font-size: 14px;
            transition: 0.3s;
        }

        .input-group input:focus {
            border-color: #2980b9;
            outline: none;
            box-shadow: 0 0 5px rgba(41, 128, 185, 0.3);
        }

        /* Tombol login */
        .btn-login {
            width: 100%;
            background: #2980b9;
            color: white;
            padding: 12px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            cursor: pointer;
            transition: 0.3s;
        }

        .btn-login:hover {
            background: #3498db;
        }

        /* Footer kecil */
        .footer-text {
            font-size: 13px;
            margin-top: 20px;
            color: #7f8c8d;
        }