/* Teilnehmermeldung — standalone page, no external requests. */

:root {
  --ink:        #17222e;
  --ink-soft:   #5c6874;
  --paper:      #f2f4f3;
  --panel:      #ffffff;
  --rule:       #d6dbda;
  --rule-soft:  #e7eae9;
  --accent:     #1d4e6b;
  --accent-deep:#133b52;
  --ok:         #1b5e3f;
  --ok-bg:      #eaf2ec;
  --err:        #93301e;
  --err-bg:     #fbeeea;

  --gutter: 2.5rem;
  --radius: 3px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 2.5rem 1.25rem 4rem;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
}

.sheet {
  max-width: 54rem;
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}

.brand-logo {
  display: block;
  height: 2.5rem;
  width: auto;
  flex: none;
}

/* Protranet-Logo ist quadratisch (Icon-artig) statt breit wie das Manager-Institut-Logo -
   bei gleicher Hoehe wirkt es dadurch deutlich kleiner, daher extra gross. */
.brand-logo--protranet {
  height: 4.5rem;
}

/* ---------- header ---------- */

.head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
}

.head--plain { border-left-color: var(--rule); }

.head__text { min-width: 0; flex: 1 1 auto; }

.head__kurs {
  margin: 0 0 .35rem;
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.head h1 {
  margin: 0;
  font-size: clamp(1.375rem, 3.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -.01em;
  max-width: 34ch;
}

.head__facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: .3rem 1.25rem;
  margin: 1.25rem 0 0;
  font-size: .9375rem;
}

.head__facts dt { color: var(--ink-soft); }
.head__facts dd { margin: 0; }

/* ---------- roster ---------- */

.roster { padding: 1.75rem 2rem .5rem; }

.roster__top { margin-bottom: 1.25rem; }

.roster h2,
.confirm h2 {
  margin: 0 0 .25rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

.roster__hint {
  margin: 0;
  font-size: .875rem;
  color: var(--ink-soft);
}

.roster__rows {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.row {
  display: grid;
  grid-template-columns: var(--gutter) 1fr max-content;
  align-items: start;
  gap: 0 .75rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule-soft);
}

.row__num {
  padding-top: 1.4rem;
  font-size: .9375rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
}

.row__fields {
  display: grid;
  grid-template-columns: 5.5rem 1fr 1fr;
  gap: .75rem;
}

.row__remove {
  margin-top: 1.25rem;
  padding: .25rem .1rem;
  border: 0;
  background: none;
  color: var(--ink-soft);
  font: inherit;
  font-size: .875rem;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 3px;
}

.row__remove:hover:not(:disabled) { color: var(--err); }
.row__remove:disabled { opacity: .35; cursor: default; text-decoration: none; }

.row--new { background: #f6faf7; }

.row__status {
  grid-column: 1 / -1;
  margin: .5rem 0 0;
  font-size: .875rem;
}

.row__status--ok { color: var(--ok); }
.row__status--error { color: var(--err); }

/* ---------- fields ---------- */

.field { min-width: 0; }

.field label {
  display: block;
  margin-bottom: .25rem;
  font-size: .8125rem;
  color: var(--ink-soft);
}

.field input,
.field select {
  width: 100%;
  padding: .45rem .1rem;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
}

.field select { cursor: pointer; }

.field input:hover,
.field select:hover { border-bottom-color: var(--ink-soft); }

.field input:focus-visible,
.field select:focus-visible {
  outline: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: calc(.45rem - 1px);
}

.field input.is-invalid,
.field select.is-invalid { border-bottom-color: var(--err); }

.field__error {
  margin: .3rem 0 0;
  min-height: 1.1em;
  font-size: .8125rem;
  color: var(--err);
}

.field__help {
  margin: .4rem 0 0;
  font-size: .8125rem;
  color: var(--ink-soft);
  max-width: 46ch;
}

.field--wide { max-width: 24rem; }

/* ---------- roster footer ---------- */

.roster__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: 1rem 0 0;
}

.roster__count {
  margin: 0;
  font-size: .875rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

/* ---------- buttons ---------- */

.btn {
  font: inherit;
  cursor: pointer;
  border-radius: var(--radius);
}

.btn--ghost {
  padding: .5rem .9rem;
  border: 1px solid var(--rule);
  background: var(--panel);
  color: var(--accent);
  font-size: .9375rem;
  font-weight: 500;
}

.btn--ghost:hover:not(:disabled) { border-color: var(--accent); background: #f7fafb; }
.btn--ghost:disabled { color: var(--ink-soft); opacity: .5; cursor: default; }

.btn--primary {
  padding: .7rem 1.5rem;
  border: 0;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
}

.btn--primary:hover:not(:disabled) { background: var(--accent-deep); }
.btn--primary:disabled { background: var(--ink-soft); opacity: .6; cursor: default; }

.btn:focus-visible,
.row__remove:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- confirm + action ---------- */

.confirm {
  padding: 1.75rem 2rem;
  border-top: 1px solid var(--rule);
}

.action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0 2rem 2rem;
}

.action__note {
  margin: 0;
  font-size: .875rem;
  color: var(--ink-soft);
}

/* ---------- result + notices ---------- */

.result,
.notice {
  margin: 0 2rem 2rem;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--rule);
  background: var(--paper);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.notice { margin-top: 2rem; }

.result--ok { border-left-color: var(--ok); background: var(--ok-bg); }
.result--error,
.notice--stop { border-left-color: var(--err); background: var(--err-bg); }

.result__msg { margin: 0; font-weight: 500; }
.result--ok .result__msg { color: var(--ok); }
.result--error .result__msg { color: var(--err); }

.result__list,
.result__notes {
  margin: .75rem 0 0;
  padding-left: 1.1rem;
  font-size: .9375rem;
}

.result__notes { color: var(--ink-soft); }

.result__tnr {
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
  font-size: .875rem;
}

.notice p { margin: 0 0 .5rem; max-width: 60ch; }
.notice p:last-child { margin-bottom: 0; }
.notice__contact { font-size: .9375rem; }

/* ---------- lookup (Kursnummer + Teilnehmernummer) ---------- */

.lookup {
  margin: 0 2rem 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.lookup__title {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

.lookup__form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
}

.lookup__form .field { flex: 1 1 12rem; }

/* ---------- footer ---------- */

.foot {
  padding: 1.25rem 2rem 1.5rem;
  border-top: 1px solid var(--rule-soft);
  font-size: .875rem;
  color: var(--ink-soft);
}

.foot p { margin: 0; }

a { color: var(--accent); }

/* ---------- narrow screens ---------- */

@media (max-width: 46rem) {
  body { padding: 1rem .75rem 3rem; }

  .head,
  .roster,
  .confirm { padding-left: 1.25rem; padding-right: 1.25rem; }

  .action { padding-left: 1.25rem; padding-right: 1.25rem; }
  .result, .notice, .lookup { margin-left: 1.25rem; margin-right: 1.25rem; }
  .foot { padding-left: 1.25rem; padding-right: 1.25rem; }

  .row {
    grid-template-columns: 1fr;
    gap: .5rem;
    padding: 1.25rem 0;
  }

  .row__num {
    padding-top: 0;
    font-weight: 600;
    color: var(--ink);
  }

  .row__num::before { content: "Person "; font-weight: 400; color: var(--ink-soft); }

  .row__fields { grid-template-columns: 1fr; gap: .9rem; }

  .row__remove { margin-top: .25rem; justify-self: start; }

  .btn--primary { width: 100%; }
}

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