/* Billmorph-Anwendung: dieselben Farben und Systemschriften wie die Website (keine externen Fonts, DSGVO). */
:root {
  --bg: #F5F7F8;
  --surface: #FFFFFF;
  --ink: #102030;
  --muted: #4E5D6B;
  --line: #D6DDE3;
  --accent: #0A7A55;
  --accent-ink: #FFFFFF;
  --accent-soft: #E1F2EA;
  --warn: #9A4A08;
  --warn-soft: #FBEBDD;
  --error: #B42318;
  --error-soft: #FDECEA;
  --field: #FFFFFF;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0C141C; --surface: #121D27; --ink: #E6ECF1; --muted: #9AA9B6; --line: #253441;
    --accent: #3CC48F; --accent-ink: #0C141C; --accent-soft: #123327;
    --warn: #F2A65A; --warn-soft: #33230F; --error: #FF8A80; --error-soft: #3A1715; --field: #0F1922;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--font); }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); }
h1, h2 { line-height: 1.2; margin: 0; letter-spacing: -0.015em; text-wrap: balance; }
h1 { font-size: clamp(28px, 4.4vw, 44px); font-weight: 800; }
h2 { font-size: 19px; font-weight: 700; }
p { margin: 0; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; }

/* Kopf und Fuß */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 16px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; text-decoration: none; letter-spacing: -0.02em; }
.logo-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--ink); color: var(--bg); display: grid; place-items: center; font: 700 13px var(--mono); }
.nav { display: flex; gap: 18px; font-size: 15px; }
.nav a { text-decoration: none; border-bottom: 1px solid var(--line); }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 32px; font-size: 14px; }
main { display: grid; gap: 20px; padding-bottom: 24px; }

/* Bausteine */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin: 0; min-width: 0; }
fieldset.card { display: grid; gap: 14px; }
legend { font-weight: 700; font-size: 17px; padding: 0 6px; margin-left: -6px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); font: 600 15px var(--font); text-decoration: none; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.small { min-height: 36px; padding: 6px 12px; font-size: 14px; justify-self: start; }
.btn.link { border: 0; background: none; color: var(--muted); text-decoration: underline; padding: 0; min-height: 0; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.alert { border-radius: var(--radius); padding: 14px 16px; border: 1px solid; display: grid; gap: 8px; }
.alert.error { background: var(--error-soft); border-color: var(--error); }
.alert.warning { background: var(--warn-soft); border-color: var(--warn); }
.alert.ok { background: var(--accent-soft); border-color: var(--accent); }
.alert ul, .check-result ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; }
.sev { font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; margin-right: 4px; }
li.error .sev { color: var(--error); }
li.warning .sev { color: var(--warn); }
.rule { font: 12px var(--mono); color: var(--muted); }
.note { background: var(--accent-soft); border-radius: var(--radius); padding: 10px 14px; }

/* Startseite */
.intro { display: grid; gap: 12px; max-width: 760px; padding-top: 16px; }
.lede { font-size: 18px; color: var(--muted); }
.upload { display: grid; gap: 14px; max-width: 760px; }
.drop { display: grid; gap: 10px; border: 2px dashed var(--line); border-radius: var(--radius); padding: 20px; color: var(--muted); }
.drop input { color: var(--ink); max-width: 100%; }
.alt { display: flex; gap: 12px; flex-wrap: wrap; }

/* Formulare */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px 14px; }
.field { display: grid; gap: 4px; min-width: 0; align-content: start; }
.field.wide { grid-column: 1 / -1; }
.label { font-size: 14px; font-weight: 600; }
input[type=text], input[type=email], input[type=tel], input[type=date], select {
  width: 100%; min-height: 42px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--field); color: var(--ink); font: 15px var(--font); }
.has-issue input, .has-issue select, .field.has-issue input { border-color: var(--warn); box-shadow: 0 0 0 2px var(--warn-soft); }
.check, .radio { display: flex; gap: 10px; align-items: flex-start; }
.check input, .radio input { margin-top: 4px; width: 18px; height: 18px; }

/* Positionen */
.lines { display: grid; gap: 10px; }
.lines-head, .line { display: grid; grid-template-columns: minmax(0, 2.6fr) minmax(0, .8fr) minmax(0, 1fr) minmax(0, 1.1fr) minmax(0, 1.6fr) minmax(0, .7fr) 36px; gap: 8px; align-items: start; }
.lines-head { font-size: 13px; font-weight: 600; color: var(--muted); }
.line { padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.line.has-issue { border-left: 3px solid var(--warn); padding-left: 8px; }
.cell { display: grid; gap: 4px; min-width: 0; }
.cell-label { display: none; font-size: 13px; font-weight: 600; color: var(--muted); }
.line .sub { font-size: 14px; min-height: 36px; }
.remove-line { width: 36px; height: 42px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--muted); font-size: 20px; cursor: pointer; }
@media (max-width: 860px) {
  .lines-head { display: none; }
  .line { grid-template-columns: 1fr 1fr; }
  .line .name, .line .cell:nth-of-type(5) { grid-column: 1 / -1; }
  .cell-label { display: block; }
  .remove-line { justify-self: end; grid-column: 2; }
}

/* Summen */
.totals dl, .summary { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; margin: 0; }
.totals dd, .summary dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.summary dd { text-align: left; }
.totals .grand { font-weight: 800; font-size: 18px; border-top: 1px solid var(--line); padding-top: 6px; }
.totals.has-issue { border-color: var(--warn); }

/* Entwurf mit Original nebeneinander */
.draft { display: grid; gap: 24px; }
.draft-main { display: grid; gap: 18px; min-width: 0; }
.page-title { font-size: clamp(26px, 3.6vw, 36px); }
.original { display: grid; gap: 10px; align-content: start; }
.original iframe, .original img { width: 100%; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.original iframe { height: 70vh; }
@media (min-width: 1100px) {
  .draft.with-original { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
  .original { position: sticky; top: 12px; }
  .original iframe { height: calc(100vh - 90px); }
}
.delete { margin-top: -6px; }

/* Prüfergebnis */
.check-result { display: grid; gap: 10px; }
.check-result h2 { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.badge { font-size: 13px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--line); }
.check-result.ok { border-color: var(--accent); }
.check-result.ok .badge { background: var(--accent); color: var(--accent-ink); }
.check-result.bad { border-color: var(--error); }
.check-result.bad .badge { background: var(--error); color: var(--surface); }

/* Konto */
.account { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); align-items: start; }
.stack { display: grid; gap: 12px; }
.big { font-size: 18px; }
.buy { display: flex; flex-wrap: wrap; gap: 10px; }
.plain { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.inline { display: inline; }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; }
.inline-form input { flex: 1 1 220px; min-width: 0; }
button.link { background: none; border: 0; padding: 0; color: var(--muted); text-decoration: underline; cursor: pointer; font: inherit; }
.btn.danger { color: var(--error); }