:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1b2330;
  --muted: #5d6878;
  --line: #dfe3ea;
  --brand: #16324f;
  --accent: #e0662f;
  --ok: #2f7d4f;
  --warn: #b7791f;
  --bad: #b03a2e;
  --soft: #eef2f7;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161d;
    --card: #19202a;
    --ink: #e6eaf0;
    --muted: #9aa5b5;
    --line: #2c3542;
    --brand: #8fb6dd;
    --accent: #f08a5d;
    --soft: #212a36;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 "Segoe UI", system-ui, -apple-system, sans-serif; }
a { color: var(--brand); }
h1 { font-size: 1.6rem; margin: 0 0 .6rem; }
h1 small, h2 small, h3 small { font-size: .8rem; font-weight: 400; color: var(--muted); }
h2 { font-size: 1.25rem; margin: 1.2rem 0 .6rem; }
h3 { font-size: 1.05rem; margin: 1rem 0 .4rem; }
code, .mono { font-family: var(--mono); font-size: .88em; }

.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .7rem 1rem; background: var(--brand); color: #fff; flex-wrap: wrap; }
@media (prefers-color-scheme: dark) { .top { background: #0b1a2a; } }
.top a { color: #fff; text-decoration: none; }
.brand { font-weight: 600; display: flex; align-items: center; gap: .5rem; }
.logo { background: var(--accent); color: #fff; border-radius: 6px; padding: .1rem .4rem; font-size: .85rem; }
.top nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; font-size: .95rem; }
.who { opacity: .75; }

main { max-width: 820px; margin: 1.5rem auto; padding: 0 16px; }
main.wide { max-width: 1120px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 1.3rem 1.5rem; margin-bottom: 1.2rem; }
.card.narrow { max-width: 460px; margin: 3rem auto; }
.card.subtle { background: transparent; }
.hint, .meta { color: var(--muted); font-size: .92rem; }

button, .button { display: inline-block; font: inherit; padding: .5rem 1rem; border-radius: 8px; border: 1px solid var(--line); background: var(--soft); color: var(--ink); cursor: pointer; text-decoration: none; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--bad); }
button.link { background: none; border: none; padding: 0; text-decoration: underline; }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: .5rem .6rem; width: 100%; }
textarea { resize: vertical; }
input.short { width: 6rem; }
.field { display: block; margin: .6rem 0; }
.field > span { display: block; font-weight: 600; margin-bottom: .3rem; }
.field > span p { margin: 0; }
.check { display: flex; gap: .5rem; align-items: flex-start; margin: .4rem 0; }
.check input { width: auto; margin-top: .3rem; }
.stack { display: flex; flex-direction: column; gap: .5rem; align-items: stretch; }
.stack > button { align-self: flex-start; }
.row { display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; margin: .6rem 0; }
.row label { display: flex; gap: .4rem; align-items: center; }
.row select { width: auto; }
.inline { display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; }
.grid-form { display: grid; grid-template-columns: 2fr 2fr 1fr auto; gap: .6rem; align-items: end; margin-top: 1rem; }
.grid-form .field { margin: 0; }
@media (max-width: 700px) { .grid-form { grid-template-columns: 1fr; } }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.2rem 0; }

.flash { border-radius: 8px; padding: .7rem 1rem; margin-bottom: 1rem; border: 1px solid; }
.flash.error { border-color: var(--bad); color: var(--bad); }
.flash.info { border-color: var(--brand); color: var(--brand); }

.pill, .badge { display: inline-block; font-size: .78rem; padding: .1rem .55rem; border-radius: 999px; background: var(--soft); color: var(--muted); vertical-align: middle; font-weight: 500; }
.pill.open, .pill.decided, .pill.scored { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.pill.invited, .pill.draft { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.pill.submitted, .pill.in_progress { background: color-mix(in srgb, var(--brand) 15%, transparent); color: var(--brand); }
.badge.allowed { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.forbidden { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }

table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; padding: .45rem .55rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .85rem; color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
table.rubric td { font-size: .88rem; }
table.rubric.small td { font-size: .82rem; width: 25%; }

.lang-switch { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; margin: .5rem 0 1rem; font-size: .92rem; }
.lang-switch button { padding: .2rem .7rem; }
.lang-switch button.on { background: var(--brand); color: #fff; border-color: var(--brand); }
.notice p { margin: .5rem 0; }
.modules-preview { padding-left: 1.2rem; }
.module-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.module { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--line); align-items: center; }
.module .right { display: flex; gap: .8rem; align-items: center; }
.module.done .status { color: var(--ok); font-weight: 600; }
.module.busy .status { color: var(--brand); }
.status { font-size: .9rem; color: var(--muted); }
.policy-note { padding: .6rem .8rem; border-radius: 8px; font-size: .92rem; }
.policy-note.forbidden { background: color-mix(in srgb, var(--bad) 9%, transparent); }
.policy-note.allowed { background: color-mix(in srgb, var(--ok) 10%, transparent); }
.material { background: var(--soft); border-radius: 10px; padding: .4rem 1.1rem; margin: 1rem 0; }
.save-state { color: var(--muted); font-size: .9rem; flex: 1; }

.chat { display: flex; flex-direction: column; gap: .6rem; margin: 1rem 0; }
.msg { max-width: 85%; padding: .6rem .9rem; border-radius: 12px; white-space: pre-wrap; }
.msg.interviewer { background: var(--soft); align-self: flex-start; }
.msg.candidate { background: color-mix(in srgb, var(--accent) 16%, transparent); align-self: flex-end; }
.msg.typing { color: var(--muted); font-style: italic; align-self: flex-start; }
.msg.error { color: var(--bad); align-self: center; }
.chat-form { display: flex; flex-direction: column; gap: .5rem; }
.chat-form button { align-self: flex-end; }
.done-note { font-weight: 600; color: var(--ok); }

.module-admin { border-top: 1px solid var(--line); padding: .6rem 0; }
.module-admin h3 { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
details > summary { cursor: pointer; color: var(--brand); margin: .4rem 0; }
.prose { font-size: .95rem; }

.ai-note { font-size: .88rem; color: var(--warn); }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.competency { border-top: 1px solid var(--line); padding: .5rem 0; }
.competency.disagree { background: color-mix(in srgb, var(--warn) 7%, transparent); }
.comp-head { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.score { display: inline-grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 6px; font-weight: 700; color: #fff; }
.score.s1 { background: var(--bad); } .score.s2 { background: var(--warn); } .score.s3 { background: #4f8a5f; } .score.s4 { background: var(--ok); }
.score.none { background: var(--soft); color: var(--muted); }
blockquote { margin: .4rem 0; padding: .3rem .8rem; border-left: 3px solid var(--accent); background: var(--soft); font-size: .92rem; white-space: pre-wrap; }
.answers { border-top: 1px solid var(--line); padding: .3rem 0; }
.qa { margin: .8rem 0; }
.qa .q { font-weight: 600; font-size: .92rem; }
.qa .q p { margin: 0; }
.qa .a { white-space: pre-wrap; background: var(--soft); border-radius: 8px; padding: .6rem .8rem; margin-top: .3rem; }
.signals-box { font-size: .88rem; color: var(--muted); margin: .4rem 0; }
.signals { margin: .2rem 0; padding-left: 1.2rem; }
.answer-key { border: 1px dashed var(--warn); border-radius: 8px; padding: .5rem .9rem; margin-top: .8rem; font-size: .9rem; }
.chat.readonly .msg { max-width: 92%; }
.module.locked { opacity: .6; }
.row.end { justify-content: flex-end; }
.chat.client .msg.interviewer { background: color-mix(in srgb, var(--brand) 12%, transparent); }
.reference { margin: 1rem 0; }
.facts { padding-left: 1.2rem; font-size: .9rem; }
.facts .found { color: var(--ok); }
.facts .missed { color: var(--muted); }
.calib-form td { vertical-align: middle; }
.calib-form select { width: auto; }
.calib-form input { min-width: 12rem; }
.insert-notice { margin: .3rem 0 0; padding: .5rem .8rem; border-radius: 8px; font-size: .9rem; background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--ink); }