:root {
    color-scheme: light;
    --ink: #1c2430;
    --muted: #5c6b7a;
    --line: #d5dde5;
    --paper: #f4f7f8;
    --card: #ffffff;
    --brand: #0f3d5e;
    --danger: #8d2a2a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font: 16px/1.5 "Segoe UI", "PT Sans", sans-serif;
    color: var(--ink);
    background: var(--paper);
}

a {
    color: var(--brand);
}

.top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1.25rem;
    background: var(--brand);
    color: #fff;
}

.brand {
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.04em;
}

.account {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.account a {
    color: #fff;
}

.role {
    font-size: 0.92rem;
}

.account form {
    margin: 0;
}

button {
    font: inherit;
    color: var(--brand);
    background: #fff;
    border: 0;
    border-radius: 4px;
    padding: 0.35rem 0.7rem;
    cursor: pointer;
}

main {
    max-width: 36rem;
    margin: 2rem auto;
    padding: 1.5rem;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
}

h1 {
    margin-top: 0;
    font-size: 1.45rem;
    line-height: 1.3;
}

.muted {
    color: var(--muted);
}

form.login {
    display: grid;
    gap: 0.85rem;
}

label {
    display: grid;
    gap: 0.3rem;
    font-size: 0.92rem;
}

input {
    font: inherit;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--line);
    border-radius: 4px;
}

.error {
    color: var(--danger);
}