* {
    box-sizing: border-box
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, Helvetica, sans-serif;
    background: #f6f2f5;
    color: #222;
}

.card {
    width: min(430px, 92vw);
    background: #fff;
    padding: 36px;
    border-radius: 18px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, .10);
}

.brand {
    text-align: center;
    margin-bottom: 28px
}

.brand h1 {
    font-size: 26px;
    margin: 0 0 8px
}

.brand p {
    margin: 0;
    color: #666
}

label {
    display: block;
    margin: 16px 0 7px;
    font-weight: 700
}

input {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #d6d6d6;
    border-radius: 10px;
    font-size: 16px;
    outline: none;
}

input:focus {
    border-color: #555
}

button {
    width: 100%;
    border: 0;
    padding: 14px;
    margin-top: 22px;
    border-radius: 10px;
    background: #222;
    color: white;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

.error {
    background: #fdecec;
    color: #9d2424;
    border: 1px solid #f3c5c5;
    padding: 11px 12px;
    border-radius: 9px;
    margin-bottom: 14px;
}

.footer {
    text-align: center;
    margin-top: 22px;
    font-size: 13px;
    color: #888;
}