* { box-sizing: border-box; }
body { font-family: system-ui, "Segoe UI", Arial, sans-serif; margin: 0; background: #f5f6f8; color: #1a2233; }
header { display: flex; justify-content: space-between; align-items: center; background: #1a2f55; color: #fff; padding: .6rem 1rem; }
header a { color: #cdd9f0; margin-inline-start: 1rem; text-decoration: none; }
main { max-width: 860px; margin: 1.2rem auto; padding: 0 1rem; }
footer { text-align: center; color: #777; font-size: .85rem; padding: 1rem; }
.card { background: #fff; border: 1px solid #dde3ec; border-radius: 8px; padding: 1rem; display: flex; flex-direction: column; gap: .7rem; margin-top: 1rem; }
.inline { display: inline; }
textarea, input { font: inherit; padding: .5rem; border: 1px solid #c4cdda; border-radius: 6px; width: 100%; }
button { font: inherit; background: #1a2f55; color: #fff; border: 0; border-radius: 6px; padding: .5rem 1.1rem; cursor: pointer; align-self: flex-start; }
button.danger { background: #a33; }
.error { color: #a33; } .ok { color: #175e2e; }
.qa { background: #fff; border: 1px solid #dde3ec; border-radius: 8px; padding: .8rem 1rem; margin: .6rem 0; }
.qa .q { font-weight: 600; }
.sources span { background: #e8eef9; border-radius: 4px; padding: .1rem .45rem; margin-inline-start: .4rem; font-size: .85rem; }
table { width: 100%; background: #fff; border-collapse: collapse; margin-top: 1rem; }
th, td { border-bottom: 1px solid #e4e9f1; padding: .5rem; text-align: right; }
.busy { color: #9a6b00; }