/* LMRA (US #182) – mobil zuerst, Kontraste nach WCAG AA, Bedienflächen mindestens 48 px */
:root {
  --bg: #f3f6fa;
  --card: #ffffff;
  --text: #1a2230;
  --muted: #4a5568;
  --blue: #1f4e8c;
  --blue-soft: #dce6f2;
  --border: #b8c7dc;
  --control-border: #5f7290;
  --yes: #e2efda;
  --yes-strong: #2e6b1f;
  --no: #fbe2d5;
  --no-strong: #a0300a;
  --ne: #ececec;
  --red: #b00020;
  --focus: #ffbf47;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  overflow-wrap: anywhere;
}
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--text); outline-offset: 2px; box-shadow: 0 0 0 6px var(--focus); }
.topbar :focus-visible { outline-color: var(--focus); box-shadow: none; }
.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.topbar { background: var(--blue); color: #fff; padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 8px 16px;
  align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.brand-mark { font-weight: 800; letter-spacing: .08em; }
.brand-text { font-size: 14px; }
.topbar nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.topbar nav a, .topbar .linklike { color: #fff; display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px;
  border-radius: 8px; text-decoration: none; font: inherit; }
.topbar nav a[aria-current="page"] { background: rgba(255,255,255,.18); font-weight: 600; }
.linklike { background: none; border: 0; cursor: pointer; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
main:focus { outline: none; }
.pagefoot { max-width: 960px; margin: 0 auto; padding: 0 16px 24px; color: var(--muted); font-size: 14px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.card.narrow { max-width: 520px; margin: 32px auto; }
h1 { font-size: 1.5rem; line-height: 1.25; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; color: var(--blue); }
legend h2 { margin: 0; }
.lead { font-size: 1.05rem; }
.hint { color: var(--muted); font-size: 14px; }
.title-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; margin-bottom: 8px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px;
  border-radius: 8px; border: 2px solid var(--blue); background: #fff; color: var(--blue); font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer; }
.button.primary { background: var(--blue); color: #fff; }
.button.block { display: flex; width: 100%; margin: 16px 0 8px; }
.button.big { min-height: 56px; font-size: 1.1rem; }

.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field label, .remark-label { font-weight: 600; font-size: 15px; }
input[type=text], input[type=date], input[type=email], input[type=tel], input[type=file], select, textarea {
  font: inherit; width: 100%; min-height: 48px; padding: 10px 12px; border: 2px solid var(--border); border-radius: 8px;
  background: #fff; color: var(--text); border-color: var(--control-border); }
textarea { min-height: 48px; resize: vertical; }
.invalid input, .invalid textarea, [aria-invalid="true"] { border-color: var(--red); }
.field-error, .error { color: var(--red); font-weight: 600; margin: 4px 0; }
.success { background: var(--yes); border: 1px solid var(--yes-strong); color: #1d4314; padding: 12px 16px; border-radius: var(--radius); font-weight: 600; }
.req { color: var(--red); }
.grid2 { display: grid; grid-template-columns: 1fr; gap: 0 16px; }
@media (min-width: 700px) { .grid2 { grid-template-columns: 1fr 1fr; } }

.error-summary { border: 3px solid var(--red); background: #fff; border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px; }
.error-summary h2 { color: var(--red); }
.error-summary a { color: var(--red); font-weight: 600; }

/* Firmenkopf */
.company-title { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.logo { max-height: 56px; max-width: 180px; }
.subtitle { color: var(--red); margin: 0; font-weight: 600; }
.company-name { margin: 4px 0 0; color: var(--muted); }
.numbers { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 12px 0; }
@media (min-width: 700px) { .numbers { grid-template-columns: repeat(3, 1fr); } }
.numbers div { background: var(--blue-soft); border-radius: 8px; padding: 8px 12px; }
.numbers dt { font-size: 14px; color: var(--blue); font-weight: 600; }
.numbers dd { margin: 0; }
.numbers a, .eb-numbers a { font-weight: 700; display: inline-flex; align-items: center; min-height: 44px; }
.emergency-bar { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: 6px; }
@media (min-width: 700px) { .emergency-bar { grid-template-columns: repeat(3, 1fr); } }
.emergency-bar li { border: 2px solid var(--border); border-radius: 8px; padding: 4px 10px; }
.eb-label { font-weight: 700; display: block; }
.eb-numbers { display: flex; flex-wrap: wrap; gap: 0 14px; }

/* Fragen */
.questions { list-style: none; margin: 0; padding: 0; }
.question { border-top: 1px solid var(--border); padding: 12px 0; }
.question:first-child { border-top: 0; }
.question.invalid fieldset { border-left: 4px solid var(--red); padding-left: 10px; }
.question.is-critical { border-left: 4px solid var(--no-strong); padding-left: 10px; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { padding: 0; font-weight: 600; margin-bottom: 8px; }
.qnr { color: var(--blue); font-weight: 700; }
.segmented { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 6px; }
.seg { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.seg > span { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 52px;
  border: 2px solid var(--control-border); border-radius: 8px; padding: 4px; font-weight: 600; line-height: 1.2; background: #fff; }
.seg-ja input:checked + span { background: var(--yes); border-color: var(--yes-strong); color: #1d4314; }
.seg-nein input:checked + span { background: var(--yes); border-color: var(--yes-strong); color: #1d4314; }
.seg-ne input:checked + span { background: var(--ne); border-color: #555; }
.seg-critical input:checked + span { background: var(--no); border-color: var(--no-strong); color: #6e1f05; }
.seg input:focus-visible + span { outline: 3px solid var(--text); outline-offset: 2px; box-shadow: 0 0 0 6px var(--focus); }
.crit-mark { font-weight: 800; }
.critical-hint { background: var(--no); border-left: 4px solid var(--no-strong); padding: 8px 12px; border-radius: 6px; font-weight: 600; }
.remark-label { display: block; margin-top: 8px; }
.req-when { color: var(--red); }
.answer, .remark, .qtext { margin: 4px 0; }
.badge-critical, .badge-ok { display: inline-block; border-radius: 999px; padding: 2px 10px; font-size: 14px; font-weight: 600; }
.badge-critical { background: var(--no); color: #6e1f05; }
.badge-ok { background: var(--yes); color: #1d4314; }

/* PSA */
.checks { display: grid; grid-template-columns: 1fr; gap: 6px; margin: 8px 0 12px; }
@media (min-width: 560px) { .checks { grid-template-columns: 1fr 1fr; } }
.check { display: flex; align-items: center; gap: 10px; min-height: 48px; padding: 4px 10px; border: 2px solid var(--control-border);
  border-radius: 8px; cursor: pointer; }
.check input { width: 24px; height: 24px; flex: none; }
.psa-list { list-style: none; padding: 0; columns: 2 220px; }
.psa-list .off { color: var(--muted); }

/* Unterschrift */
.warning { color: var(--red); border: 2px solid var(--red); border-radius: 8px; padding: 10px 12px; }
.signature { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.signature canvas { width: 100%; max-width: 600px; aspect-ratio: 3 / 1; border: 2px dashed var(--blue); border-radius: 8px;
  background: #fff; touch-action: none; }
.signature.invalid canvas { border-color: var(--red); }
.signature-img { max-width: 100%; height: auto; border-bottom: 1px solid var(--muted); }

/* Verlauf und Admin */
.history, .users, .tenants, .companies, .question-editor { list-style: none; margin: 0; padding: 0; }
.history li a { display: grid; gap: 2px; padding: 12px 4px; border-top: 1px solid var(--border); text-decoration: none; color: var(--text); }
.history li:first-child a { border-top: 0; }
.h-date { font-weight: 700; color: var(--blue); }
.h-project { font-weight: 600; }
.h-meta { color: var(--muted); font-size: 14px; }
.facts { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 0; }
@media (min-width: 700px) { .facts { grid-template-columns: 1fr 1fr; } }
.facts dt { font-size: 14px; color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; }
.users li, .tenants li { border-top: 1px solid var(--border); padding: 10px 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; }
.tenant-row { display: grid; gap: 6px; width: 100%; }
.tenant-row > label { font-weight: 600; }
.inline-form { display: grid; gap: 8px; margin-top: 16px; }
.question-editor li { border-top: 1px solid var(--border); padding-top: 12px; }
code { overflow-wrap: anywhere; }