* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f5f9;
    color: #172033;
    font-family: system-ui, -apple-system, sans-serif;
}

.card {
    width: 100%;
    max-width: 440px;
    padding: 32px;
    background: white;
    border: 1px solid #e1e5ec;
    border-radius: 16px;
    box-shadow: 0 12px 36px rgba(25, 35, 55, .07);
}

h1 {
    margin-top: 0;
    font-size: 28px;
}

.muted {
    color: #657087;
    line-height: 1.6;
}

label {
    display: block;
    margin: 20px 0 8px;
    font-weight: 600;
}

input {
    display: block;
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd2df;
    border-radius: 8px;
    font: inherit;
}

input:focus {
    outline: 2px solid #7c9cff;
    outline-offset: 2px;
}

button {
    width: 100%;
    margin-top: 24px;
    padding: 13px;
    border: 0;
    border-radius: 8px;
    background: #254fc7;
    color: white;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.secondary {
    background: #e9edf5;
    color: #172033;
}

.error {
    padding: 12px;
    border-radius: 8px;
    background: #fff0f0;
    color: #a51f1f;
}

nav {
    display: grid;
    gap: 12px;
    margin: 24px 0;
}

nav a {
    color: #254fc7;
}