:root {
    color-scheme: light;
    --page: #f4f1ec;
    --surface: #ffffff;
    --surface-soft: #faf8f5;
    --text: #26211d;
    --muted: #756c65;
    --border: #e4ddd5;
    --accent: #8b3a2b;
    --accent-dark: #6f2d22;
    --danger: #a53838;
    --danger-soft: #fce9e9;
    --shadow: 0 18px 50px rgba(41, 32, 25, .08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: var(--page);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-shell {
    width: min(100%, 26rem);
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.brand-mark {
    width: 2.75rem;
    height: 2.75rem;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: var(--accent);
    color: #fff;
    font-family: Georgia, serif;
    font-size: 1.35rem;
    font-weight: 700;
}

.eyebrow {
    margin: 1.25rem 0 .35rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .75rem;
    font-weight: 800;
}

h1 {
    margin: 0;
    color: var(--text);
    font-family: Georgia, serif;
    font-size: 1.8rem;
    font-weight: 500;
}

.intro {
    color: var(--muted);
    margin-bottom: 1.5rem;
}

form {
    display: grid;
    gap: 1rem;
}

label {
    display: grid;
    gap: .4rem;
    color: var(--text);
    font-weight: 650;
}

input {
    width: 100%;
    padding: .8rem .9rem;
    border: 1px solid var(--border);
    border-radius: .55rem;
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

input:focus {
    outline: 3px solid rgba(139, 58, 43, .18);
    outline-offset: 2px;
    border-color: var(--accent);
}

button {
    border: 0;
    border-radius: .55rem;
    padding: .85rem 1rem;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    background: var(--accent-dark);
}

button:focus-visible {
    outline: 3px solid rgba(139, 58, 43, .18);
    outline-offset: 2px;
}

.message {
    margin: 1rem 0;
    padding: .8rem;
    border-radius: .5rem;
    background: var(--danger-soft);
    color: #7d2929;
}