/* The field simulator (ADR-021): plain and readable; logical properties only (Arabic first). */
:root { color-scheme: light; --ink: #1c2430; --muted: #5d6878; --line: #d6dbe3; --brand: #0f5c8c; --good: #1d7a45; --bad: #b42318; --warn: #b54708; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, "Noto Sans Arabic", "Segoe UI", sans-serif; color: var(--ink); background: #f6f7f9; }
.banner { background: var(--warn); color: #fff; padding: 8px 16px; font-weight: 600; }
header { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 12px 16px; background: #fff; border-block-end: 1px solid var(--line); }
header h1 { margin: 0; font-size: 1.25rem; }
nav { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
section { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-block-end: 16px; }
h2 { margin-block: 0 12px; font-size: 1.1rem; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: start; padding: 8px; border-block-end: 1px solid var(--line); vertical-align: top; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin-block: 0 12px; padding: 8px 12px; }
legend { font-weight: 600; padding-inline: 4px; }
label { display: block; padding-block: 4px; }
button, .button { display: inline-block; font: inherit; padding: 8px 16px; border-radius: 6px; border: 1px solid var(--brand); background: var(--brand); color: #fff; text-decoration: none; cursor: pointer; }
button.secondary { background: #fff; color: var(--brand); }
form.inline { display: inline; }
.muted { color: var(--muted); }
.good { color: var(--good); }
.bad { color: var(--bad); }
.result.good { border-inline-start: 4px solid var(--good); }
.result.bad { border-inline-start: 4px solid var(--bad); }
.tag { display: inline-block; background: var(--warn); color: #fff; border-radius: 4px; padding: 0 6px; font-size: 0.8rem; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; }
@media (max-width: 600px) { th, td { padding: 6px 4px; } }