/* Concept: formulario de examen oficial, sobrio y rápido de leer. Azul marino RQ como ancla, dorado solo para el progreso y la aprobación. */
:root {
  --bg: #F3F5F8;
  --surface: #FFFFFF;
  --surface-2: #EAEEF3;
  --fg: #14212E;
  --muted: #566475;
  --line: #CFD6DF;
  --primary: #003057;
  --on-primary: #FFFFFF;
  --gold: #C99700;
  --good: #1B7A4E;
  --bad: #B3261E;
  --warn: #9A6A00;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --font-label: "Barlow Condensed", "Arial Narrow", "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B1621; --surface: #122130; --surface-2: #1A2E41; --fg: #E6ECF2; --muted: #9AABBB; --line: #26394C;
    --primary: #6AA6E8; --on-primary: #08121C; --gold: #E2B93B; --good: #4DBB85; --bad: #F2857D; --warn: #E2B93B;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B1621; --surface: #122130; --surface-2: #1A2E41; --fg: #E6ECF2; --muted: #9AABBB; --line: #26394C;
  --primary: #6AA6E8; --on-primary: #08121C; --gold: #E2B93B; --good: #4DBB85; --bad: #F2857D; --warn: #E2B93B;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { background: var(--bg); color: var(--fg); font-family: var(--font-body); font-size: 17px; line-height: 1.5; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--primary); color: var(--on-primary); }
.top-in { max-width: 820px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { font-family: var(--font-label); font-weight: 700; font-size: 20px; letter-spacing: .06em; text-transform: uppercase; }
.brand small { font-weight: 500; opacity: .8; letter-spacing: .08em; margin-left: 8px; font-size: 15px; }
.top .sp { flex: 1; }
.timer { font-variant-numeric: tabular-nums; font-family: var(--font-label); font-size: 18px; letter-spacing: .04em; }
.link-btn { background: transparent; border: 1px solid color-mix(in srgb, var(--on-primary) 55%, transparent); color: var(--on-primary); border-radius: 6px; padding: 4px 10px; cursor: pointer; font-size: 15px; }
.steps { display: flex; gap: 4px; max-width: 820px; margin: 0 auto; padding: 0 16px 10px; }
.steps i { flex: 1; height: 5px; border-radius: 3px; background: color-mix(in srgb, var(--on-primary) 28%, transparent); }
.steps i.on { background: var(--gold); }
.steps i.cur { background: var(--on-primary); }
main { max-width: 820px; margin: 0 auto; padding-inline: 16px; padding-block: 22px 56px; }
h1 { font-family: var(--font-label); font-weight: 700; font-size: 34px; line-height: 1.1; letter-spacing: .02em; text-transform: uppercase; margin: 0 0 6px; text-wrap: balance; }
h2 { font-family: var(--font-label); font-weight: 700; font-size: 24px; letter-spacing: .03em; text-transform: uppercase; margin: 0 0 10px; text-wrap: balance; }
h3 { font-size: 18px; margin: 0 0 6px; }
.lede { color: var(--muted); margin: 0 0 20px; max-width: 62ch; }
.eyebrow { font-family: var(--font-label); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; font-size: 15px; color: var(--muted); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.card + .card { margin-top: 14px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .grid2 { grid-template-columns: 1fr; } h1 { font-size: 28px; } }
label.fld { display: block; font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.in { width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; min-height: 44px; }
textarea.in { min-height: 170px; resize: vertical; line-height: 1.45; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.seg label { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 48px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); cursor: pointer; font-weight: 600; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg input:checked + span { color: var(--primary); }
.seg label:has(input:checked) { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 12%, var(--surface)); box-shadow: inset 0 0 0 1px var(--primary); }
.seg label:has(input:focus-visible) { outline: 3px solid var(--gold); outline-offset: 2px; }
.btn { background: var(--primary); color: var(--on-primary); border: 0; border-radius: 8px; padding: 11px 20px; min-height: 46px; font-weight: 700; cursor: pointer; }
.btn.alt { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: space-between; }
.note { font-size: 15px; color: var(--muted); }
.rules { margin: 0 0 8px; padding-left: 20px; } .rules li { margin: 4px 0; }
.sec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.qtext { font-size: 20px; font-weight: 600; line-height: 1.35; margin: 6px 0 16px; text-wrap: pretty; }
.opts { display: grid; gap: 10px; }
.opt { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); cursor: pointer; min-height: 52px; }
.opt input { position: absolute; opacity: 0; pointer-events: none; }
.opt .ltr { flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid var(--muted); display: grid; place-items: center; font-family: var(--font-label); font-weight: 700; font-size: 17px; color: var(--muted); }
.opt:has(input:checked) { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 11%, var(--surface)); box-shadow: inset 0 0 0 1px var(--primary); }
.opt:has(input:checked) .ltr { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.opt:has(input:focus-visible) { outline: 3px solid var(--gold); outline-offset: 2px; }
.dots { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.dot { width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); font-size: 14px; font-weight: 600; cursor: pointer; font-variant-numeric: tabular-nums; }
.dot.done { background: color-mix(in srgb, var(--primary) 16%, var(--surface)); border-color: var(--primary); }
.dot.cur { outline: 2px solid var(--gold); outline-offset: 1px; }
.case-box { background: var(--surface-2); border-radius: 8px; padding: 14px 16px; margin: 8px 0 14px; }
.meter { height: 10px; border-radius: 5px; background: var(--surface-2); overflow: hidden; }
.meter > b { display: block; height: 100%; background: var(--primary); }
.pill { display: inline-block; font-family: var(--font-label); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: 14px; padding: 2px 10px; border-radius: 999px; border: 1px solid currentColor; }
.pill.good { color: var(--good); } .pill.bad { color: var(--bad); } .pill.warn { color: var(--warn); }
.big { font-family: var(--font-label); font-weight: 700; font-size: 64px; line-height: 1; font-variant-numeric: tabular-nums; }
.sec-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 12px 0; }
.sec-row .meter { grid-column: 1 / -1; }
.miss { border-left: 4px solid var(--bad); padding: 6px 0 6px 14px; margin: 14px 0; }
.miss .c { color: var(--good); font-weight: 600; } .miss .w { color: var(--bad); }
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 15px; min-width: 640px; }
th { text-align: left; font-family: var(--font-label); letter-spacing: .06em; text-transform: uppercase; font-size: 14px; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr { cursor: pointer; } tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
@media (max-width: 600px) { .stats { grid-template-columns: 1fr 1fr; } }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.stat b { display: block; font-family: var(--font-label); font-size: 32px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.crit { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; }
.crit input { margin-top: 5px; width: 18px; height: 18px; flex: none; accent-color: var(--primary); }
.crit.bad-c span { color: var(--bad); }
.crit select.lv { flex: none; width: 118px; min-height: 36px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 4px 8px; }
.answer { white-space: pre-wrap; background: var(--surface-2); border-radius: 8px; padding: 12px 14px; margin: 6px 0 10px; }
.empty { text-align: center; padding: 36px 16px; color: var(--muted); }
.toast { position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 10px 18px; border-radius: 8px; font-size: 15px; z-index: 9; max-width: calc(100% - 32px); }
@media (prefers-reduced-motion: no-preference) { .meter > b { transition: width .5s ease; } }

/* ---- Panel del evaluador ---- */
.nav { display: flex; gap: 8px; align-items: center; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid var(--good); color: var(--good); background: color-mix(in srgb, var(--good) 10%, var(--surface)); }
.flash.err { border-color: var(--bad); color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, var(--surface)); }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 12px; }
.filters .in { width: auto; min-width: 150px; }
.top a.link-btn { text-decoration: none; display: inline-block; }
a.btn { text-decoration: none; display: inline-flex; align-items: center; }
.tbl-wrap a { color: var(--primary); font-weight: 600; text-decoration: none; }
.tbl-wrap a:hover { text-decoration: underline; }
.narrow { max-width: 440px; margin: 40px auto 0; }
.sr { position: absolute; left: -9999px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }