* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #1f2933;
}

.page-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.card {
    width: 100%;
    max-width: 520px;
    background: #ffffff;
    border: 1px solid #d9e2ec;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

h1 {
    margin-top: 0;
    margin-bottom: 12px;
}

p {
    margin-top: 0;
    margin-bottom: 16px;
    line-height: 1.5;
}

.form-row {
    margin-bottom: 16px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

input[type="text"],
input[type="email"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #bcccdc;
    border-radius: 8px;
    font-size: 16px;
}

button {
    display: inline-block;
    border: 0;
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 16px;
    cursor: pointer;
}

.field-error,
.error-block {
    margin-top: 6px;
    color: #b42318;
    font-size: 14px;
}