body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #f5f7fb;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}

.card {
    background: white;
    padding: 28px;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(20,30,45,0.08);
    width:320px;
}

.field {
    margin-bottom:12px;
}

input[type=text], input[type=password] {
    width: 100%;
    padding: 10px;
    border: 1px solid #dbe4f0;
    border-radius: 6px;
    font-size: 14px;
}

button {
    width: 100%;
    padding: 10px;
    border: 0;
    background: #0053ff;
    color: white;
    border-radius: 6px;
    font-weight: 600;
    cursor:pointer;
}

.msg {
    margin-top: 12px;
    padding: 10px;
    border-radius: 6px;
    font-size: 14px;
    display: none;
}

.msg.error {
    background: #fff0f0;
    color: #900;
    border: 1px solid #ffb6b6;
}