/* 34d-Prüfungsfragen – Stylesheet
   Palette: Deckungsblau #14294B · Papier #F3F5F8 · Tinte #16202E · Policengrün #1E7A5A · Signalrot #B8362E · Siegelgold #C79A2A */
:root {
  --blue: #14294B; --blue-deep: #0D1B33; --blue-soft: #DCE4F0;
  --paper: #F3F5F8; --card: #FFFFFF; --ink: #16202E; --muted: #5C6B80;
  --line: #D5DCE6; --line-strong: #9FB0C6;
  --green: #1E7A5A; --green-bg: #E4F3EC; --red: #B8362E; --red-bg: #F9E6E4;
  --gold: #C79A2A; --gold-bg: #FBF3DF;
  --font-display: "Newsreader", Georgia, serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 6px; --shadow: 0 1px 2px rgba(20,41,75,.06), 0 4px 16px rgba(20,41,75,.06);
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); line-height: 1.55; }
a { color: var(--blue); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.15; margin: 0 0 .5rem; letter-spacing: -.01em; }
h1 { font-size: 2.4rem; } h2 { font-size: 1.6rem; } h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); font-size: .85em; }
.eyebrow { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .5rem; }
.wrap { width: min(1080px, 100% - 2.5rem); margin: 0 auto; padding: 2rem 0 4rem; }
.wrap-wide { width: min(1280px, 100% - 2.5rem); }

/* Header */
.site-header { background: var(--blue); color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 0; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .8rem; color: #fff; text-decoration: none; }
.brand-mark { font-family: var(--font-display); font-weight: 600; font-size: 1.4rem; border: 2px solid var(--gold); color: var(--gold); padding: .1rem .55rem; border-radius: 3px; letter-spacing: .02em; }
.brand-text { font-weight: 600; font-size: 1.05rem; line-height: 1.1; display: flex; flex-direction: column; }
.brand-text small { font-weight: 400; font-size: .72rem; opacity: .75; letter-spacing: .04em; }
.nav { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.nav a { color: #fff; text-decoration: none; font-size: .95rem; opacity: .9; }
.nav a:hover { opacity: 1; text-decoration: underline; }
.nav-user { opacity: .7 !important; font-size: .85rem !important; }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 1.2rem 0; }

/* Components */
.btn { display: inline-block; background: var(--blue); color: #fff; border: 1px solid var(--blue); padding: .65rem 1.2rem; border-radius: var(--radius); font: 500 .95rem var(--font-body); cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--blue-deep); }
.btn-outline { background: transparent; color: var(--blue); }
.btn-outline:hover { background: var(--blue-soft); }
.btn-gold { background: var(--gold); border-color: var(--gold); color: var(--blue-deep); }
.btn-gold:hover { background: #B3891F; }
.btn-danger { background: var(--red); border-color: var(--red); }
.btn-small { padding: .4rem .8rem; font-size: .85rem; }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.card + .card { margin-top: 1rem; }
.grid > .card + .card { margin-top: 0; }
.narrow { max-width: 460px; }
.flash { padding: .8rem 1rem; border-radius: var(--radius); margin-bottom: 1.2rem; border: 1px solid; }
.flash-ok { background: var(--green-bg); border-color: var(--green); color: var(--green); }
.flash-err { background: var(--red-bg); border-color: var(--red); color: var(--red); }
label { display: block; font-weight: 500; font-size: .9rem; margin-bottom: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  display: block; width: 100%; margin-top: .3rem; padding: .6rem .7rem; border: 1px solid var(--line-strong); border-radius: var(--radius); font: 1rem var(--font-body); background: #fff; }
textarea { min-height: 120px; }
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.stat { display: flex; flex-direction: column; gap: .2rem; }
.stat b { font-family: var(--font-display); font-size: 2rem; font-weight: 500; line-height: 1; }
.stat span { font-size: .8rem; color: var(--muted); }
.tag { display: inline-block; font-family: var(--font-mono); font-size: .7rem; padding: .15rem .45rem; border-radius: 3px; background: var(--blue-soft); color: var(--blue); }
.tag-multi { background: var(--gold-bg); color: #7A5C10; }
.tag-numeric { background: var(--green-bg); color: var(--green); }
table.list { width: 100%; border-collapse: collapse; font-size: .92rem; }
table.list th, table.list td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list th { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 500; }

/* Landing */
.hero { padding: 3rem 0 2rem; display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
.hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 32rem; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.5rem; }
.sample { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.3rem; position: relative; }
.sample::before { content: "Beispielfrage"; position: absolute; top: -.7rem; left: 1rem; background: var(--gold); color: var(--blue-deep); font: 500 .7rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; padding: .2rem .5rem; border-radius: 3px; }
.ledger { border-top: 2px solid var(--blue); }
.ledger-row { display: grid; grid-template-columns: 4.5rem 1fr auto; gap: 1rem; align-items: center; padding: .75rem 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.ledger-row:hover { background: #fff; }
.ledger-row .code { font-family: var(--font-mono); font-size: .8rem; color: var(--blue); font-weight: 500; }
.ledger-row .cnt { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); white-space: nowrap; }
.ledger-row .title { font-weight: 500; }
.ledger-row .desc { display: block; font-size: .82rem; color: var(--muted); font-weight: 400; }

/* Progress */
.bar { height: 8px; background: var(--blue-soft); border-radius: 4px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--blue); }
.bar i.good { background: var(--green); }
.bar i.bad { background: var(--red); }

/* Question */
.question { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; margin-bottom: 1.2rem; box-shadow: var(--shadow); }
.question-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: .8rem; }
.question-num { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); }
.question-text p { font-size: 1.02rem; }
.question-text p:last-child { margin-bottom: 1.2rem; }
.options { list-style: none; margin: 0; padding: 0; }
.options li { margin-bottom: .55rem; }
.options label { display: grid; grid-template-columns: 2rem 1fr; gap: .5rem; align-items: start; margin: 0; padding: .7rem .9rem; border: 1px solid var(--line-strong); border-radius: var(--radius); cursor: pointer; font-weight: 400; font-size: .95rem; background: #fff; }
.options label:hover { border-color: var(--blue); }
.options label .letter { font-family: var(--font-mono); font-weight: 500; color: var(--blue); }
.options input { position: absolute; opacity: 0; }
.options label.selected { border-color: var(--blue); background: var(--blue-soft); }
.options label.correct { border-color: var(--green); background: var(--green-bg); }
.options label.wrong { border-color: var(--red); background: var(--red-bg); }
.options label.missed { border-color: var(--green); border-style: dashed; }
.numeric-input { display: flex; align-items: center; gap: .6rem; max-width: 320px; }
.numeric-input input { margin: 0; font-family: var(--font-mono); }
.numeric-input .unit { font-family: var(--font-mono); color: var(--muted); }
.verdict { margin-top: 1rem; padding: .8rem 1rem; border-radius: var(--radius); font-size: .92rem; }
.verdict-ok { background: var(--green-bg); color: var(--green); border-left: 4px solid var(--green); }
.verdict-no { background: var(--red-bg); color: var(--red); border-left: 4px solid var(--red); }
.explain { margin-top: .8rem; font-size: .9rem; color: var(--ink); background: var(--paper); border-left: 4px solid var(--gold); padding: .7rem 1rem; border-radius: 0 var(--radius) var(--radius) 0; }
.explain b { color: #7A5C10; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; display: block; margin-bottom: .3rem; }

/* Exam */
.exam-bar { position: sticky; top: 0; z-index: 10; background: var(--blue); color: #fff; padding: .7rem 1rem; border-radius: var(--radius); display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.5rem; box-shadow: var(--shadow); }
.exam-bar .timer { font-family: var(--font-mono); font-size: 1.3rem; font-weight: 500; }
.exam-bar .timer.warn { color: #F5C451; }
.exam-bar .timer.crit { color: #FF8A80; }
.exam-nav { display: grid; grid-template-columns: repeat(auto-fill, minmax(2.2rem, 1fr)); gap: .3rem; margin-bottom: 1.5rem; }
.exam-nav a { display: block; text-align: center; font-family: var(--font-mono); font-size: .75rem; padding: .35rem 0; border: 1px solid var(--line-strong); border-radius: 3px; color: var(--muted); text-decoration: none; background: #fff; }
.exam-nav a.answered { background: var(--blue); border-color: var(--blue); color: #fff; }

/* Result */
.result-hero { text-align: center; padding: 2.5rem 1rem; border-radius: var(--radius); margin-bottom: 1.5rem; }
.result-hero.passed { background: var(--green-bg); border: 1px solid var(--green); }
.result-hero.failed { background: var(--red-bg); border: 1px solid var(--red); }
.result-hero .pct { font-family: var(--font-display); font-size: 4.5rem; font-weight: 500; line-height: 1; }
.topic-result { display: grid; grid-template-columns: 1fr 5rem 120px; gap: 1rem; align-items: center; padding: .55rem 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.topic-result .mono { text-align: right; }

/* Certificate */
.cert { background: #fff; border: 12px double var(--blue); padding: 3.5rem 3rem; text-align: center; max-width: 820px; margin: 0 auto; position: relative; }
.cert .seal { width: 92px; height: 92px; border-radius: 50%; border: 3px solid var(--gold); color: var(--gold); display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; margin-bottom: 1rem; }
.cert h1 { font-size: 2.6rem; }
.cert .name { font-family: var(--font-display); font-size: 2rem; margin: 1.2rem 0; border-bottom: 1px solid var(--line-strong); display: inline-block; padding: 0 2rem .3rem; }
.cert .code { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); margin-top: 2rem; }
@media print { .site-header, .site-footer, .no-print, .flash { display: none !important; } body { background: #fff; } .wrap { width: auto; padding: 0; } }

/* Admin */
.admin-nav { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.admin-nav a { padding: .4rem .8rem; border: 1px solid var(--line-strong); border-radius: var(--radius); text-decoration: none; font-size: .9rem; background: #fff; }
.admin-nav a.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.inline-form { display: inline; }
.filters { display: flex; gap: .6rem; align-items: end; flex-wrap: wrap; margin-bottom: 1rem; }
.filters label { margin: 0; }
.filters input, .filters select { margin-top: .2rem; width: auto; }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 1.5rem; padding-top: 1.5rem; }
  h1 { font-size: 1.9rem; }
  .ledger-row { grid-template-columns: 3.5rem 1fr; } .ledger-row .cnt { grid-column: 2; }
  .topic-result { grid-template-columns: 1fr 4rem; } .topic-result .bar { grid-column: 1 / -1; }
  .cert { padding: 2rem 1.2rem; border-width: 8px; }
}
@media (prefers-reduced-motion: no-preference) { .bar i { transition: width .5s ease; } }