* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background: #f2f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 430px;
}

.login-card {
    background: #ffffff;
    padding: 38px;
    border: 1px solid #e2e8f0;
    border-radius: 9px;
    box-shadow: 0 8px 30px rgba(15, 35, 60, 0.07);
}

.brand {
    display: inline-block;
    color: #063568;
    font-size: 29px;
    font-weight: 800;
    text-decoration: none;
    margin-bottom: 32px;
}

.brand span {
    color: #e2a52b;
}

.login-heading {
    margin-bottom: 28px;
}

.login-heading h1 {
    color: #142b45;
    font-size: 25px;
    margin-bottom: 9px;
}

.login-heading p {
    color: #68788a;
    font-size: 14px;
    line-height: 1.6;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #253b52;
    font-size: 14px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    height: 46px;
    padding: 0 13px;
    border: 1px solid #ccd5df;
    border-radius: 5px;
    font-size: 14px;
    outline: none;
}

.form-group input:focus {
    border-color: #1763a6;
    box-shadow: 0 0 0 3px rgba(23, 99, 166, 0.1);
}

#loginBtn {
    width: 100%;
    height: 47px;
    background: #063568;
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

#loginBtn:hover {
    background: #0b4b8a;
}

#loginBtn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

#loginMessage {
    margin-top: 16px;
    font-size: 13px;
    line-height: 1.5;
    color: #c0392b;
}

.back-link {
    display: inline-block;
    margin-top: 25px;
    color: #52677d;
    font-size: 13px;
    text-decoration: none;
}

.back-link:hover {
    color: #063568;
}

@media (max-width: 480px) {
    .login-card {
        padding: 27px 22px;
    }
}