body {
    margin: 0;
    font: 16px/1.45 "Segoe UI", sans-serif;
    color: #1c2430;
    background: #f4f6f8;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.2rem;
    background: #16324f;
    color: #fff;
}
header a { color: #d6e6f5; margin-left: 0.75rem; text-decoration: none; }
header a.active { font-weight: 700; text-decoration: underline; }
.langs { margin-left: 1rem; }
.langs a { font-size: 0.85rem; opacity: 0.85; }
main { max-width: 46rem; margin: 1.5rem auto; padding: 0 1rem 2rem; }
h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 0.6rem; }
.help ol { margin: 0.4rem 0 0.8rem 1.2rem; padding: 0; }
.help li { margin: 0.25rem 0; }
form.card, .card {
    background: #fff;
    border: 1px solid #d5dde6;
    border-radius: 8px;
    padding: 1rem;
    margin: 0 0 1rem;
}
label { display: block; margin: 0.6rem 0 0.2rem; }
input[type="text"], input[type="password"] {
    width: 100%;
    box-sizing: border-box;
    padding: 0.45rem 0.55rem;
    border: 1px solid #b7c3d0;
    border-radius: 4px;
}
button, .button {
    margin-top: 0.8rem;
    background: #16324f;
    color: #fff;
    border: 0;
    border-radius: 4px;
    padding: 0.45rem 0.8rem;
    cursor: pointer;
}
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 0.55rem; border-bottom: 1px solid #e1e7ee; vertical-align: top; }
code { background: #eef3f8; padding: 0.05rem 0.25rem; border-radius: 3px; }
.flash { background: #e7f5ea; border: 1px solid #b7dfc0; padding: 0.6rem 0.8rem; border-radius: 6px; }
.note { color: #4d5b6a; font-size: 0.92rem; }
.row { display: flex; gap: 0.5rem; align-items: end; }
.row input { flex: 1; }
.danger { background: #8d3a3a; }
.ok { color: #1f6b3a; }
.warn { color: #8a5a00; font-weight: 600; }
a.button { display: inline-block; text-decoration: none; }