:root {
  --bg: #f4f6fa; --card: #fff; --ink: #1c2330; --muted: #677285; --line: #dde2ea;
  --brand: #2451b3; --brand-dark: #1a3c86; --ok: #16794a; --bad: #b3261e; --warn: #9a6700;
  --ok-bg: #e5f5ec; --bad-bg: #fbe9e7; --warn-bg: #fff4d6; --info-bg: #e8effc;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef1f6; padding: 1px 5px; border-radius: 4px; font-size: .9em; }
h1 { font-size: 1.55rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 0 0 .8rem; }
h3 { font-size: 1.02rem; margin: 1rem 0 .5rem; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  background: #16213a; color: #fff; padding: .7rem 1.5rem; position: sticky; top: 0; z-index: 10; }
.topbar .brand { color: #fff; font-weight: 700; font-size: 1.1rem; }
.topbar .brand span { font-weight: 400; opacity: .75; }
.topbar nav { display: flex; gap: 1.1rem; align-items: center; flex-wrap: wrap; }
.topbar nav a, .topbar nav button.link { color: #dfe6f5; }
.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.login { max-width: 420px; margin: 8vh auto; padding: 1rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem 1.4rem; margin-bottom: 1.2rem; }
.card.narrow { max-width: 420px; margin: 0 auto; }
.row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.between { justify-content: space-between; }
.actions { display: flex; gap: .6rem; flex-wrap: wrap; }
.stack { display: flex; flex-direction: column; gap: .9rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .grid2 { grid-template-columns: 1fr; } .container { padding: 1rem; } }

label { display: flex; flex-direction: column; gap: .35rem; font-weight: 600; font-size: .92rem; }
label.check { flex-direction: row; align-items: center; gap: .5rem; font-weight: 400; }
input, select, textarea { font: inherit; padding: .55rem .7rem; border: 1px solid #c8cfdb; border-radius: 8px; background: #fff; color: var(--ink); width: 100%; }
input[type=checkbox] { width: auto; }
input[type=file] { padding: .4rem; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid #b8cbf2; border-color: var(--brand); }

button, .button { display: inline-block; font: inherit; font-weight: 600; padding: .55rem 1rem; border-radius: 8px;
  border: 1px solid #c8cfdb; background: #fff; color: var(--ink); cursor: pointer; }
button:hover, .button:hover { text-decoration: none; filter: brightness(.97); }
.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.primary:hover { background: var(--brand-dark); }
.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.big { padding: .75rem 1.4rem; font-size: 1.02rem; }
.small { padding: .3rem .7rem; font-size: .85rem; }
button.link { background: none; border: 0; padding: 0; color: var(--brand); font-weight: 400; }
button.link.danger { color: var(--bad); }
form.inline { display: inline; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .82rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }

.tag { display: inline-block; font-size: .78rem; padding: .1rem .5rem; border-radius: 999px; background: #eef1f6; color: #3c4658; margin-left: .25rem; }
.tag.big { font-size: .9rem; padding: .25rem .8rem; }
.tag.ok, .tag.published, .tag.done { background: var(--ok-bg); color: var(--ok); }
.tag.bad, .tag.failed, .tag.rejected { background: var(--bad-bg); color: var(--bad); }
.tag.awaiting_approval, .tag.queued, .tag.partial { background: var(--warn-bg); color: var(--warn); }
.tag.running, .tag.generating { background: var(--info-bg); color: var(--brand); }

.flash { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; background: var(--ok-bg); color: var(--ok); }
.flash.error { background: var(--bad-bg); color: var(--bad); }
.warn { background: var(--warn-bg); color: var(--warn); padding: .6rem .8rem; border-radius: 8px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.hint { color: var(--muted); font-size: .88rem; margin: .2rem 0; }
.status { font-weight: 600; }
.status.ok { color: var(--ok); }
.status.bad { color: var(--bad); }

.checklist { display: flex; flex-direction: column; gap: .35rem; max-height: 260px; overflow: auto; padding: .4rem;
  border: 1px solid var(--line); border-radius: 8px; }
.checklist.columns { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); max-height: none; }
.progress { margin: 0; padding-left: 1.2rem; }
.progress li { margin: .25rem 0; }
.log { background: #0f1729; color: #d6deeb; padding: 1rem; border-radius: 8px; font-size: .8rem; max-height: 420px; overflow: auto; white-space: pre-wrap; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; }
.kv dt { font-weight: 600; color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.pre { white-space: pre-wrap; }

.approval.pending { border: 2px solid #f0c24b; background: #fffbef; }
.decision { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-start; }
.decision .reject { display: flex; gap: .5rem; flex: 1; min-width: 280px; }

.question { border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; margin: 1rem 0; background: #fcfdff; }
.question header { margin-bottom: .5rem; }
.stem p { margin: .35rem 0; }
.stem img, .passage img, .article img { max-width: 100%; height: auto; }
.options { list-style: none; padding: 0; margin: .6rem 0; display: grid; gap: .25rem; }
.options li { padding: .3rem .6rem; border-radius: 6px; }
.options li.correct { background: var(--ok-bg); color: #0e4f31; font-weight: 600; }
.solution { background: #f3f6fb; padding: .6rem .9rem; border-radius: 8px; }
details summary { cursor: pointer; color: var(--brand); font-weight: 600; margin: .3rem 0; }
.context-set { border-top: 1px solid var(--line); padding-top: .6rem; }
.passage { background: #f7f9fc; border-left: 4px solid var(--brand); border-radius: 6px; padding: .8rem 1rem; }
.article { max-width: 760px; }
.thumbs { display: flex; gap: .8rem; flex-wrap: wrap; }
.thumbs img { max-height: 240px; border: 1px solid var(--line); border-radius: 6px; }