/* Reset default */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to right, #4facfe, #00f2fe);
}

.login-container {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    width: 350px;
}

.login-form h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #333;
}

.login-form img {
    display: block;
    margin:0 auto;
    }

.responsive-img {
    max-width: 30%;  /* maksimal 50% di layar besar */
    height: auto;    /* menjaga rasio gambar */
    display: block;
    margin: 0 auto;  /* center horizontal */
}

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

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    outline: none;
    transition: 0.3s;
}

.input-group input:focus {
    border-color: #4facfe;
    box-shadow: 0 0 5px rgba(79,172,254,0.5);
}

button {
    width: 100%;
    padding: 12px;
    background: #4facfe;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #00f2fe;
}

.signup-link {
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
}

.signup-link a {
    color: #4facfe;
    text-decoration: none;
    font-weight: bold;
}

.signup-link a:hover {
    text-decoration: underline;
}