* {
    box-sizing: border-box;
}


body {

    margin: 0;

    font-family:
        Arial,
        sans-serif;

    background: #f4f6f9;

    min-height: 100vh;
}


.login-container {

    min-height: 100vh;

    display: flex;

    justify-content: center;

    align-items: center;

    padding: 20px;
}


.login-card {

    width: 100%;

    max-width: 420px;

    background: white;

    padding: 40px;

    border-radius: 16px;

    box-shadow:
        0 10px 30px
        rgba(0,0,0,0.08);
}


.logo {

    text-align: center;

    font-size: 32px;

    font-weight: bold;

    margin-bottom: 5px;
}


.subtitle {

    text-align: center;

    color: #777;

    margin-bottom: 30px;
}


label {

    display: block;

    margin-top: 15px;

    margin-bottom: 7px;

    font-weight: 600;
}


input,
select {

    width: 100%;

    padding: 12px;

    border: 1px solid #ddd;

    border-radius: 8px;

    font-size: 15px;

    outline: none;
}


input:focus,
select:focus {

    border-color: #555;
}


button {

    width: 100%;

    margin-top: 25px;

    padding: 13px;

    border: none;

    border-radius: 8px;

    background: #222;

    color: white;

    font-size: 15px;

    font-weight: bold;

    cursor: pointer;
}


button:hover {

    opacity: 0.9;
}


button:disabled {

    opacity: 0.6;

    cursor: not-allowed;
}


.login-message {

    margin-top: 15px;

    text-align: center;

    color: #d32f2f;

    min-height: 20px;
}