    /* login.css - Custom style for login page, compatible with Landed/HTML5UP */

    .login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: none;
    justify-content: center;
    }

    .login-container {
    max-width: 350px;
    margin: 0 auto;
    background: rgba(39, 40, 51, 0.965);
    border-radius: 8px;
    box-shadow: 0 0.25em 0.75em 0 rgba(0,0,0,0.25);
    padding: 2.5em 2em 2em 2em;
    }

    .login-container header {
    text-align: center;
    margin-bottom: 2em;
    }

    .login-container h2 {
    font-size: 2em;
    margin-bottom: 0.5em;
    color: #fff;
    font-weight: 300;
    }

    .login-container p {
    color: #fff;
    opacity: 0.7;
    font-size: 1em;
    }

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

    .login-form input[type="text"],
    .login-form input[type="password"] {
    width: 100%;
    margin-bottom: 1.5em;
    background: transparent;
    border-radius: 4px;
    border: solid 1px rgba(255,255,255,0.3);
    color: #fff;
    padding: 0 1em;
    height: 3em;
    font-size: 1em;
    font-family: "Roboto", Helvetica, sans-serif;
    }

    .login-form input[type="text"]:focus,
    .login-form input[type="password"]:focus {
    border-color: #e44c65;
    }

    .login-form input[type="submit"] {
    width: 100%;
    background: #e44c65;
    color: #fff !important;
    border: none;
    border-radius: 4px;
    font-size: 1.15em;
    font-weight: 300;
    height: 3em;
    cursor: pointer;
    transition: background 0.2s;
    }

    .login-form input[type="submit"]:hover {
    background: #e76278;
    }

    #loginMsg {
    text-align: center;
    margin-top: 1em;
    min-height: 2em;
    font-size: 1em;
    margin-right: 25px;
    }

    #signupBtn {
    background: none;
    border: none;
    color: #ffff;
    padding: 0;
    margin-top: 10px;
    font-size: 1.15em;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    font-weight: 300;
    transition: color 0.2s;
    outline: none;
    box-shadow: none;
    }

    #signupBtn:hover,
    #signupBtn:focus {
    color: #e44c65; /* Màu hồng nhạt hơn khi hover */
    text-decoration: underline;
    }


    @media (max-width: 480px) {
    .login-container {
        padding: 1.5em 0.5em;
        max-width: 98vw;
    }
    .login-container h2 {
        font-size: 1.4em;
    }
    }
