/* Online-Prüfungszentrum — öffentliche Seite
   Gestaltungsidee: Ein Prüfungszentrum ist ein Fahrplan. Alle Zahlen laufen
   in einer Monospace, das Terminboard ist das einzige laute Element.
   Schrift kommt lokal mit — Datenschutz schlägt Typografie-Eitelkeit. */

/* IBM Plex Sans Thai Looped — lokal eingebunden, kein externer Schriftanbieter.
   Lizenz: SIL Open Font License 1.1, siehe assets/fonts/LICENSE.txt */
@font-face {
  font-family: 'IBM Plex Sans Thai Looped';
  src: url('/assets/fonts/IBMPlexSansThaiLooped-Regular.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans Thai Looped';
  src: url('/assets/fonts/IBMPlexSansThaiLooped-Medium.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans Thai Looped';
  src: url('/assets/fonts/IBMPlexSansThaiLooped-SemiBold.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans Thai Looped';
  src: url('/assets/fonts/IBMPlexSansThaiLooped-Bold.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}

:root {
  --paper:      #f4f5f2;
  --surface:    #ffffff;
  --ink:        #11161b;
  --ink-soft:   #545d67;
  --ink-faint:  #838d98;
  --line:       #dcdfd9;
  --line-soft:  #e9ebe6;
  --accent:     #0f6b5c;
  --accent-dk:  #0a5044;
  --accent-sft: #e4efeb;
  --signal:     #a3611a;
  --signal-sft: #f7eddd;
  --board:      #11161b;
  --board-line: #262f38;
  --board-dim:  #7a8590;
  --board-glow: #74cdb9;
  --wrap:       1120px;

  --sans: 'IBM Plex Sans Thai Looped', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff;
  padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- Typografie ---------- */

h1 {
  font-size: clamp(2.05rem, 4.6vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.032em;
  font-weight: 700;
  margin: 0 0 16px;
}
h2 { font-size: clamp(1.4rem, 2.4vw, 1.75rem); line-height: 1.22; letter-spacing: -0.02em; margin: 0 0 14px; font-weight: 650; }
h3 { font-size: 1.06rem; line-height: 1.35; letter-spacing: -0.01em; margin: 0 0 6px; font-weight: 650; }
p  { margin: 0 0 16px; }

.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 12px;
}
.lede { font-size: 1.13rem; color: var(--ink-soft); line-height: 1.55; max-width: 62ch; }
.muted { color: var(--ink-faint); }

/* ---------- Kopfzeile ---------- */

.site-head {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 40;
}
.head-inner { display: flex; align-items: center; gap: 28px; height: 66px; }

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark {
  background: var(--accent); color: #fff; font: 700 12px/1 var(--mono);
  letter-spacing: 0.06em; padding: 7px 8px; border-radius: 3px;
}
.logo-name { font-weight: 650; font-size: 15.5px; letter-spacing: -0.01em; }

.site-nav { display: flex; gap: 22px; margin-left: auto; }
.site-nav a { color: var(--ink-soft); text-decoration: none; font-size: 15px; padding: 4px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 550; }

.head-cta {
  background: var(--ink); color: #fff; text-decoration: none; font-size: 14.5px; font-weight: 550;
  padding: 9px 16px; border-radius: 4px;
}
.head-cta:hover { background: var(--accent); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 4px; font: inherit; font-size: 16px;
  font-weight: 550; text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: background .15s ease, color .15s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dk); }
.btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-line:hover { background: var(--ink); color: #fff; }
.btn-block { display: block; text-align: center; width: 100%; }

/* ---------- Hero ---------- */

.hero { padding: 68px 0 60px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: start; }
.hero-sub { font-size: 1.13rem; color: var(--ink-soft); max-width: 46ch; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }

.facts { display: flex; gap: 34px; margin: 0; padding: 22px 0 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.facts div { margin: 0; }
.facts dt { font: 650 1.42rem/1.1 var(--mono); letter-spacing: -0.02em; margin-bottom: 3px; }
.facts dd { margin: 0; font-size: 13.5px; color: var(--ink-faint); max-width: 17ch; line-height: 1.35; }

/* ---------- Signaturelement: Terminanzeige ---------- */

.board {
  background: var(--board); border-radius: 6px; overflow: hidden;
  box-shadow: 0 18px 44px rgba(17, 22, 27, .16);
}
.board-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 15px 20px; border-bottom: 1px solid var(--board-line);
}
.board-title { color: #fff; font-size: 13px; font-weight: 650; letter-spacing: 0.03em; }
.board-live {
  display: inline-flex; align-items: center; gap: 6px;
  font: 500 11px/1 var(--mono); color: var(--board-dim);
  letter-spacing: 0.09em; text-transform: uppercase;
}
.board-live .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--board-glow); }

.board-list { list-style: none; margin: 0; padding: 4px 0; }
.board-list li {
  display: grid; grid-template-columns: 60px 54px 1fr auto;
  align-items: center; gap: 14px;
  padding: 13px 20px; border-bottom: 1px solid var(--board-line);
}
.board-list li:last-child { border-bottom: 0; }

.b-date { display: flex; flex-direction: column; }
.b-day  { font: 600 15px/1.1 var(--mono); color: #fff; font-variant-numeric: tabular-nums; }
.b-wd   { font: 500 10.5px/1.4 var(--mono); color: var(--board-dim); text-transform: uppercase; letter-spacing: .08em; }
.b-time { font: 600 15px/1 var(--mono); color: var(--board-glow); font-variant-numeric: tabular-nums; }
.b-place { color: #cdd4da; font-size: 14.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.b-free {
  font: 500 12px/1 var(--mono); color: var(--board-dim); white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.b-free.low { color: #e0a458; }

.board-more {
  display: block; padding: 14px 20px; border-top: 1px solid var(--board-line);
  color: var(--board-dim); font-size: 13.5px; text-decoration: none;
}
.board-more:hover { color: #fff; }
.board-empty { padding: 30px 20px; color: var(--board-dim); font-size: 14.5px; }
.board-empty p { margin: 0 0 10px; }
.board-empty a { color: var(--board-glow); }

/* ---------- Bänder ---------- */

.band { padding: 62px 0; border-top: 1px solid var(--line); }
.band-alt { background: var(--surface); }
.section-h { margin-bottom: 8px; }
.section-sub { color: var(--ink-soft); max-width: 60ch; margin-bottom: 34px; }

/* ---------- Prüfungsliste ---------- */

.prog { margin-bottom: 42px; }
.prog-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 4px; }
.prog-head h2, .prog-head h3 { margin: 0; font-size: 1.14rem; letter-spacing: -0.015em; }
.prog-vendor { font: 500 11px/1 var(--mono); color: var(--ink-faint); text-transform: uppercase; letter-spacing: .09em; }
.prog-intro { color: var(--ink-soft); font-size: 15px; margin: 6px 0 14px; max-width: 62ch; }

.exam-rows { list-style: none; margin: 14px 0 0; padding: 0; border-top: 1px solid var(--line); }
.exam-rows li { border-bottom: 1px solid var(--line); }
.row-link {
  display: grid; grid-template-columns: 1fr auto auto; gap: 20px; align-items: center;
  padding: 15px 4px; text-decoration: none; color: var(--ink);
}
.row-link:hover { background: rgba(15, 107, 92, .045); }
.r-name { font-weight: 550; font-size: 16px; letter-spacing: -0.008em; }
.r-meta { display: flex; gap: 12px; align-items: center; }
.r-code { font: 500 11.5px/1 var(--mono); color: var(--ink); background: var(--line-soft); padding: 4px 7px; border-radius: 3px; }
.r-dur  { font: 400 13px/1 var(--mono); color: var(--ink-faint); white-space: nowrap; }
.r-price { font: 600 15px/1 var(--mono); font-variant-numeric: tabular-nums; min-width: 84px; text-align: right; }

/* ---------- Schritte ---------- */

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.steps li { position: relative; padding-top: 42px; }
.step-n {
  position: absolute; top: 0; left: 0;
  font: 600 13px/1 var(--mono); color: var(--accent);
  border: 1px solid var(--accent); border-radius: 50%;
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
}
.steps p { color: var(--ink-soft); font-size: 15px; margin: 0; }
.steps-inline { grid-template-columns: 1fr; gap: 22px; }
.steps-inline li { display: grid; grid-template-columns: 28px 1fr; gap: 16px; padding-top: 0; align-items: start; }
.steps-inline .step-n { position: static; }

/* ---------- Prüfungsseite ---------- */

.crumbs { padding: 20px 24px 0; font-size: 13.5px; color: var(--ink-faint); }
.crumbs a { color: var(--ink-faint); text-decoration: none; }
.crumbs a:hover { color: var(--accent); text-decoration: underline; }
.crumbs span[aria-hidden] { margin: 0 6px; }

.page-top { padding: 34px 24px 30px; }

.exam-head { padding: 30px 0 46px; }
.exam-head-grid { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 48px; align-items: start; }

.spec { list-style: none; margin: 26px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 30px; }
.spec li { display: flex; flex-direction: column; gap: 2px; }
.spec span { font-size: 12px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .07em; font-weight: 600; }
.spec strong { font-size: 15px; font-weight: 550; }

.buy {
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px;
  padding: 24px 22px; position: sticky; top: 90px;
}
.buy-price { font: 700 2.05rem/1 var(--mono); letter-spacing: -0.03em; margin: 0 0 4px; font-variant-numeric: tabular-nums; }
.buy-note { font-size: 14px; color: var(--ink-soft); margin: 0 0 14px; }
.buy-alt { font-size: 14px; color: var(--ink-soft); background: var(--accent-sft); padding: 10px 12px; border-radius: 4px; margin: 0 0 12px; }
.buy-alt strong { font-family: var(--mono); font-size: 14px; }
.buy-vat { font-size: 12.5px; color: var(--ink-faint); margin: 0 0 18px; }
.buy-next { font-size: 13px; color: var(--ink-faint); margin: 12px 0 0; text-align: center; }

.exam-body { padding-bottom: 70px; }
.exam-main { max-width: 720px; }
.sec { margin-bottom: 44px; }
.sec p { color: var(--ink-soft); }
.sec h2 { margin-bottom: 14px; }

.ticks { list-style: none; margin: 0; padding: 0; }
.ticks li { position: relative; padding: 8px 0 8px 28px; border-bottom: 1px solid var(--line-soft); color: var(--ink-soft); }
.ticks li::before {
  content: ""; position: absolute; left: 4px; top: 17px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
}

/* ---------- Termine ---------- */

.slots { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.slots li {
  display: grid; grid-template-columns: 1fr auto auto auto; gap: 18px; align-items: center;
  padding: 14px 2px; border-bottom: 1px solid var(--line);
}
.s-when { display: flex; flex-direction: column; }
.s-when strong { font-size: 15px; font-weight: 550; }
.s-when span { font: 500 13px/1.5 var(--mono); color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.tag {
  font: 500 12px/1 var(--mono); background: var(--line-soft); color: var(--ink-soft);
  padding: 5px 9px; border-radius: 3px; white-space: nowrap;
}
.tag-online { background: var(--accent-sft); color: var(--accent-dk); }
.s-free { font: 500 13px/1 var(--mono); color: var(--ink-faint); white-space: nowrap; font-variant-numeric: tabular-nums; }
.s-free.low { color: var(--signal); }
/* Aus dem Platzhalter ist mit Block 3 die eigentliche Handlung geworden. */
.s-book {
  font-size: 13.5px; font-weight: 600; white-space: nowrap;
  color: var(--accent-dk); text-decoration: none;
  padding: 7px 14px; border: 1px solid var(--accent);
  border-radius: 5px; background: var(--surface);
  transition: background .12s, color .12s;
}
.s-book:hover { background: var(--accent); color: #fff; }

.notice { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 22px; }
.notice p { color: var(--ink-soft); }
.notice p:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */

.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  padding: 15px 30px 15px 0; cursor: pointer; font-weight: 550; font-size: 15.5px;
  position: relative; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 13px;
  font: 400 20px/1 var(--mono); color: var(--accent);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 0 16px; color: var(--ink-soft); margin: 0; max-width: 64ch; }

.related { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.related a {
  display: inline-block; padding: 9px 14px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 4px; text-decoration: none;
  color: var(--ink); font-size: 14.5px;
}
.related a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Standorte ---------- */

.loc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; }
.loc-list a {
  display: flex; flex-direction: column; gap: 2px; padding: 14px 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 5px;
  text-decoration: none; color: var(--ink); min-width: 210px;
}
.loc-list a:hover { border-color: var(--accent); }
.loc-list span { font: 400 13px/1.4 var(--mono); color: var(--ink-faint); }

.loc-cards { list-style: none; margin: 0 0 60px; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.loc-card a {
  display: block; height: 100%; padding: 24px 22px; background: var(--surface);
  border: 1px solid var(--line); border-radius: 6px; text-decoration: none; color: var(--ink);
}
.loc-card a:hover { border-color: var(--accent); }
.loc-card h2 { font-size: 1.15rem; margin: 12px 0 8px; }
.loc-addr { font: 400 14px/1.5 var(--mono); color: var(--ink-faint); margin: 0 0 10px; }
.loc-intro { font-size: 14.5px; color: var(--ink-soft); margin: 0 0 12px; }
.loc-count { font: 500 13px/1 var(--mono); color: var(--accent); margin: 0; }

/* ---------- Abschlussband ---------- */

.cta-band { background: var(--ink); color: #fff; padding: 52px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { color: #b3bcc5; max-width: 56ch; margin: 0; font-size: 15.5px; }

/* ---------- Fußzeile ---------- */

.site-foot { background: var(--paper); border-top: 1px solid var(--line); padding: 48px 0 28px; }
.foot-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.foot-brand { display: flex; gap: 12px; align-items: flex-start; }
.foot-brand p { font-size: 14.5px; line-height: 1.5; margin: 0; }
.foot-col h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-faint); margin-bottom: 12px; font-weight: 700; }
.foot-col a { display: block; color: var(--ink-soft); text-decoration: none; font-size: 14.5px; padding: 4px 0; }
.foot-col a:hover { color: var(--accent); }
.foot-fine { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); }
.foot-fine p { font-size: 12.5px; color: var(--ink-faint); margin: 0; max-width: 80ch; }

/* ---------- Schmale Bildschirme ---------- */

@media (max-width: 940px) {
  .hero-grid, .exam-head-grid { grid-template-columns: 1fr; gap: 38px; }
  .buy { position: static; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .head-inner { height: auto; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; gap: 12px; }
  .site-nav { order: 3; width: 100%; margin-left: 0; gap: 18px; overflow-x: auto; padding-bottom: 2px; }
  .site-nav a { white-space: nowrap; font-size: 14.5px; }
  .head-cta { margin-left: auto; }
  .hero { padding: 40px 0 44px; }
  .band { padding: 46px 0; }

  .row-link { grid-template-columns: 1fr auto; gap: 6px 14px; }
  .r-meta { order: 3; }
  .r-price { order: 2; }

  .slots li { grid-template-columns: 1fr auto; gap: 8px 14px; }
  .s-book { grid-column: 1 / -1; justify-self: start; }

  .board-list li { grid-template-columns: 52px 48px 1fr; gap: 10px; padding: 12px 16px; }
  .b-free { grid-column: 2 / -1; font-size: 11.5px; }

  .spec { grid-template-columns: 1fr; }
  .foot-inner { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

@media print {
  .site-head, .site-foot, .cta-band, .board { display: none; }
}

/* ==================================================================
   Buchungsstrecke
   Formularseiten sind bewusst ruhiger als der Rest: eine Spalte zum
   Ausfüllen, eine Spalte, die mitläuft und den Preis im Blick hält.
   ================================================================== */

.bk-top { padding: 40px 24px 26px; max-width: var(--wrap); }
.bk-top h1 { margin: 6px 0 10px; font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
.bk-top .lede { margin: 0; color: var(--ink-soft); }

.bk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
  padding-bottom: 72px;
}
.bk-single { padding-bottom: 72px; max-width: 720px; }

@media (max-width: 900px) {
  .bk-grid { grid-template-columns: 1fr; gap: 28px; }
}

.bk-trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Schritte ---------- */

.bk-step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 26px 28px;
  margin: 0 0 18px;
}
.bk-step h2 {
  display: flex; align-items: center; gap: 12px;
  margin: 0 0 18px; font-size: 1.15rem; letter-spacing: -0.01em;
}
.bk-num {
  flex: none;
  width: 27px; height: 27px; border-radius: 50%;
  background: var(--ink); color: #fff;
  font: 600 14px/27px var(--mono); text-align: center;
}
.bk-hint { margin: -8px 0 18px; color: var(--ink-soft); font-size: 14.5px; }
.bk-fine { margin: 14px 0 0; color: var(--ink-faint); font-size: 13.5px; line-height: 1.55; }

/* ---------- Terminauswahl ---------- */

.bk-slots { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.bk-slots input { position: absolute; opacity: 0; width: 0; height: 0; }
.bk-slots label {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center; gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color .12s, background .12s;
}
.bk-slots label:hover { border-color: var(--ink-faint); }
.bk-slots input:checked + label {
  border-color: var(--accent);
  background: var(--accent-sft);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.bk-slots input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }
.bk-when strong { display: block; font-size: 15px; }
.bk-when span { font-family: var(--mono); font-size: 13.5px; color: var(--ink-soft); }
.bk-free { font-family: var(--mono); font-size: 13px; color: var(--ink-soft); white-space: nowrap; }
.bk-free.low { color: var(--signal); font-weight: 600; }

@media (max-width: 560px) {
  .bk-slots label { grid-template-columns: 1fr auto; }
  .bk-free { grid-column: 1 / -1; }
}

/* ---------- Auswahlkacheln ---------- */

.bk-choice { position: relative; margin: 0 0 10px; }
.bk-choice input { position: absolute; opacity: 0; width: 0; height: 0; }
.bk-choice label {
  display: block;
  padding: 15px 18px 15px 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  transition: border-color .12s, background .12s;
}
.bk-choice label::before {
  content: "";
  position: absolute; left: 17px; top: 18px;
  width: 16px; height: 16px; border-radius: 50%;
  border: 1.5px solid var(--ink-faint);
  background: #fff;
}
.bk-choice input:checked + label { border-color: var(--accent); background: var(--accent-sft); }
.bk-choice input:checked + label::before {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 4px var(--accent);
}
.bk-choice input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: 2px; }
.bk-choice label strong { display: block; font-size: 15.5px; }
.bk-choice label span { display: block; color: var(--ink-soft); font-size: 14px; margin-top: 3px; }
.bk-choice label em {
  display: block; margin-top: 6px;
  font-family: var(--mono); font-style: normal; font-weight: 600; font-size: 15px;
}

/* ---------- Felder ---------- */

.bk-main .field { margin: 0 0 16px; }
.bk-main .field label,
.bk-org legend {
  display: block; margin: 0 0 6px;
  font-size: 13.5px; font-weight: 600; letter-spacing: .01em;
}
.bk-main input[type="text"],
.bk-main input[type="email"],
.bk-main input[type="tel"],
.bk-main input[type="url"],
.bk-main input[type="date"],
.bk-main input[type="number"],
.bk-main select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font: inherit; font-size: 15.5px;
  color: var(--ink);
}
.bk-main input:focus, .bk-main select:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.bk-main input[aria-invalid="true"] { border-color: #a3341a; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 620px) { .f-row { grid-template-columns: 1fr; } }
.f-hint { margin: 5px 0 0; color: var(--ink-faint); font-size: 13px; }
.f-err  { margin: 5px 0 0; color: #a3341a; font-size: 13.5px; font-weight: 500; }

.bk-org {
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  padding: 18px 20px 4px;
  margin: 16px 0 0;
  background: #fbfbfa;
}
.bk-org legend { padding: 0 8px; }

/* ---------- Zustimmungen ---------- */

.bk-check { display: flex; gap: 11px; align-items: flex-start; margin: 0 0 14px; }
.bk-check input { margin: 4px 0 0; width: 17px; height: 17px; flex: none; accent-color: var(--accent); }
.bk-check label { font-size: 14.5px; line-height: 1.5; }

.bk-submit { margin-top: 8px; font-size: 16px; padding: 14px 20px; }

/* ---------- Seitenspalte ---------- */

.bk-side { position: sticky; top: 24px; }
@media (max-width: 900px) { .bk-side { position: static; } }

.bk-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 24px;
}
.bk-card h2 { margin: 0 0 14px; font-size: 1rem; letter-spacing: .01em; }
.bk-card .ticks { margin: 0; }

.bk-sum { margin: 0; }
.bk-sum dt { color: var(--ink-soft); font-size: 13px; margin-top: 12px; }
.bk-sum dt:first-child { margin-top: 0; }
.bk-sum dd { margin: 2px 0 0; font-size: 15px; }
.bk-price { font-family: var(--mono); font-size: 1.4rem !important; font-weight: 700; letter-spacing: -0.02em; }
.bk-vat { margin: 10px 0 0; color: var(--ink-faint); font-size: 13px; }

/* ---------- Statusseite ---------- */

.bk-state {
  display: inline-block; margin: 4px 0 0;
  padding: 6px 14px; border-radius: 999px;
  font-size: 14px; font-weight: 600;
}
.bk-state-bestaetigt { background: var(--accent-sft); color: var(--accent-dk); }
.bk-state-offen,
.bk-state-wartet     { background: var(--signal-sft); color: var(--signal); }
.bk-state-storniert  { background: #f6e4e0; color: #a3341a; }
.bk-state-fertig     { background: var(--line-soft); color: var(--ink-soft); }

.bk-facts { margin: 0; display: grid; grid-template-columns: 150px 1fr; gap: 12px 20px; }
.bk-facts dt { color: var(--ink-soft); font-size: 14px; }
.bk-facts dd { margin: 0; font-size: 15.5px; }
@media (max-width: 560px) {
  .bk-facts { grid-template-columns: 1fr; gap: 2px; }
  .bk-facts dd { margin-bottom: 12px; }
}

.bk-todo { list-style: none; margin: 0; padding: 0; }
.bk-todo li {
  position: relative;
  padding: 0 0 16px 34px;
  border-left: 1.5px solid var(--line);
  margin-left: 8px;
}
.bk-todo li:last-child { border-left-color: transparent; padding-bottom: 0; }
.bk-todo li::before {
  content: "";
  position: absolute; left: -8px; top: 3px;
  width: 15px; height: 15px; border-radius: 50%;
  background: #fff; border: 1.5px solid var(--line);
}
.bk-todo li.done::before {
  background: var(--accent); border-color: var(--accent);
}
.bk-todo li.done::after {
  content: "";
  position: absolute; left: -3.5px; top: 7px;
  width: 6px; height: 3px;
  border-left: 1.5px solid #fff; border-bottom: 1.5px solid #fff;
  transform: rotate(-45deg);
}
.bk-todo strong { display: block; font-size: 15px; }
.bk-todo span { display: block; color: var(--ink-soft); font-size: 14px; margin-top: 2px; }

.bk-links { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Meldungen ---------- */

.bk-flash {
  padding: 13px 18px;
  border-radius: 8px;
  margin: 0 0 20px;
  font-size: 15px;
  border: 1px solid transparent;
}
.bk-success { background: var(--accent-sft); border-color: #bcd9d1; color: var(--accent-dk); }
.bk-error   { background: #f9e9e5; border-color: #eecfc6; color: #8a2c16; }
.bk-info    { background: var(--signal-sft); border-color: #ecdcc2; color: #7d4a13; }

/* Stripes eigenes Formular bekommt etwas Luft nach unten. */
#paymentElement { margin: 4px 0 20px; }


/* ==================================================================
   Formular-Grundlagen (Fehlerbehebungen)
   Eingabefelder erben die Schrift sonst nicht; Safari zoomt bei
   Feldern unter 16px; Datums- und Auswahlfelder fielen aus der Reihe.
   ================================================================== */

input, select, textarea, button { font-family: inherit; }

.bk-main textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font: inherit; font-size: 16px;
  color: var(--ink);
  min-height: 110px;
  resize: vertical;
}
.bk-main textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }

.bk-main input[type="text"],
.bk-main input[type="email"],
.bk-main input[type="tel"],
.bk-main input[type="url"],
.bk-main input[type="date"],
.bk-main input[type="number"],
.bk-main select { font-size: 16px; }              /* verhindert den Zoom auf iOS */

.bk-main input[type="date"] { min-height: 44px; } /* iOS rendert Datumsfelder sonst flacher */

.bk-main select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23545d67' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}

/* Zahlen bleiben in der Monospace, auch innerhalb der neuen Schrift. */
.bk-price, .bk-free, .s-free, .bk-when span { font-variant-numeric: tabular-nums; }

/* ---------- Lernmaterial-Links ---------- */

.preplinks { list-style: none; margin: 14px 0 0; padding: 0; }
.preplinks li {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  padding: 9px 0; border-bottom: 1px solid var(--line-soft);
}
.preplinks li:last-child { border-bottom: none; }
.preplink-host { font: 500 12px/1 var(--mono); color: var(--ink-faint); }

.bk-preplinks { list-style: none; margin: 0; padding: 0; }
.bk-preplinks li { padding: 8px 0; border-bottom: 1px solid var(--line-soft); }
.bk-preplinks li:last-child { border-bottom: none; }

/* ---------- Stornieren ---------- */

.bk-cancel { border-color: #c8a29a; color: #8a2c16; }
.bk-cancel:hover { background: #f9e9e5; }

/* ---------- Übungstests ---------- */

.gm-items { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.gm-items li {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 18px; align-items: baseline;
  padding: 14px 2px; border-bottom: 1px solid var(--line);
}
.gm-name { font-weight: 600; font-size: 15.5px; }
.gm-desc { grid-column: 1; color: var(--ink-soft); font-size: 14px; }
.gm-price {
  grid-column: 2; grid-row: 1 / span 2;
  font-family: var(--mono); font-weight: 700; font-size: 16px;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
@media (max-width: 560px) {
  .gm-items li { grid-template-columns: 1fr; }
  .gm-price { grid-column: 1; grid-row: auto; }
}