/* Werkzeug-Layout: Kopf, Ergebnisleiste, Eingabetabelle, Erläuterung. Gelb = selbst ausfüllen (wie in den Sheets). */
:root {
  --bg: #f3f6f5; --surface: #ffffff; --ink: #14221f; --muted: #586a65; --line: #d5dedb;
  --accent: #1c5d78; --accent-ink: #ffffff; --fill: #fff6cf; --fill-line: #e7d78f;
  --ok: #24744a; --warn: #9a5b00; --bad: #ad2a20; --ok-bg: #e3f2e9; --warn-bg: #fbefd9; --bad-bg: #fbe3e0;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0e1618; --surface: #162125; --ink: #e2ebe8; --muted: #93a6a1; --line: #2a3a3e;
  --accent: #74b6d2; --accent-ink: #0e1618; --fill: #2b2816; --fill-line: #4d4624;
  --ok: #7fcf9f; --warn: #e8b35c; --bad: #f08a80; --ok-bg: #173226; --warn-bg: #33270f; --bad-bg: #3a1c19;
  color-scheme: dark;
} }
:root[data-theme="dark"] {
  --bg: #0e1618; --surface: #162125; --ink: #e2ebe8; --muted: #93a6a1; --line: #2a3a3e;
  --accent: #74b6d2; --accent-ink: #0e1618; --fill: #2b2816; --fill-line: #4d4624;
  --ok: #7fcf9f; --warn: #e8b35c; --bad: #f08a80; --ok-bg: #173226; --warn-bg: #33270f; --bad-bg: #3a1c19;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--ink); font: 15px/1.55 var(--body);
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.wrap { max-width: 1040px; margin: 0 auto; padding-block: 40px 56px; display: grid; gap: 32px; }
header { display: grid; gap: 10px; max-width: 68ch; }
.eyebrow { font: 600 12px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
h1 { font: 700 clamp(28px, 5vw, 44px)/1.05 var(--display); letter-spacing: -.02em; margin: 0; text-wrap: balance; font-stretch: 90%; }
h2 { font: 700 20px/1.2 var(--display); margin: 0; text-wrap: balance; }
h3 { font: 600 15px/1.3 var(--body); margin: 0; }
p { margin: 0; }
.lede { color: var(--muted); font-size: 17px; }
a { color: var(--accent); }

/* Ergebnisleiste */
.results { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.result { background: var(--surface); padding: 16px 18px; display: grid; gap: 4px; align-content: start; }
.result .label { font-size: 13px; color: var(--muted); }
.result .value { font: 600 26px/1.1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.result .sub { font-size: 13px; color: var(--muted); }
.result.key .value { color: var(--accent); }
.verdict { padding: 14px 18px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); max-width: 80ch; }
.verdict.warn { background: var(--warn-bg); border-color: transparent; }
.verdict.ok { background: var(--ok-bg); border-color: transparent; }

/* Einstellungen */
.settings { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: end; }
.field { display: grid; gap: 6px; min-width: 0; }
.field > span { font-size: 13px; font-weight: 600; }
.field small { color: var(--muted); font-size: 12px; max-width: 34ch; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label { padding: 7px 14px; cursor: pointer; font-weight: 500; }
.seg input:checked + label { background: var(--accent); color: var(--accent-ink); }
.seg input:focus-visible + label { outline: 2px solid var(--accent); outline-offset: -4px; }

input, select {
  font: 15px var(--body); color: var(--ink); background: var(--fill); border: 1px solid var(--fill-line);
  border-radius: 6px; padding: 6px 8px; width: 100%; min-width: 0;
}
input.num { font-family: var(--mono); text-align: right; font-variant-numeric: tabular-nums; }
.settings input { width: 9ch; }
input:focus-visible, select:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* Tabelle */
section { display: grid; gap: 14px; min-width: 0; }
.section-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 10px; }
.section-head p { color: var(--muted); font-size: 14px; max-width: 70ch; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th { text-align: left; font-weight: 600; font-size: 12px; color: var(--muted); padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: bottom; line-height: 1.3; }
th.r, td.r { text-align: right; }
td { padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
td.calc { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
tfoot td { font-weight: 600; border-top: 1px solid var(--line); border-bottom: 0; }
tr.example td:first-child { box-shadow: inset 3px 0 var(--fill-line); }
.del { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 18px; line-height: 1; padding: 4px 6px; border-radius: 4px; }
.del:hover { color: var(--bad); }

.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.info { background: var(--bg); color: var(--muted); border: 1px solid var(--line); }

.actions { display: flex; flex-wrap: wrap; gap: 8px; }
button.btn { font: 600 14px var(--body); padding: 8px 14px; border-radius: 8px; cursor: pointer; border: 1px solid var(--line); background: var(--surface); color: var(--ink); }
button.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* Erläuterung */
.explain { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.explain > div { display: grid; gap: 8px; align-content: start; min-width: 0; }
.explain p, .explain li { color: var(--muted); font-size: 14px; }
.explain ul { margin: 0; padding-left: 18px; display: grid; gap: 4px; }
code, .formula { font-family: var(--mono); font-size: 13px; }
.formula { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; white-space: pre; color: var(--ink); }

footer { border-top: 1px solid var(--line); padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 13px; }
footer strong { color: var(--ink); }

@media (max-width: 560px) { .wrap { padding-block: 24px 40px; gap: 26px; } .result .value { font-size: 22px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* Standalone-Seiten (ohne Artifact-Skelett) */
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
[hidden] { display: none !important; }
.crumbs { font-size: 14px; }
.crumbs a { text-decoration: none; }
.crumbs a::before { content: "← "; }
.cta { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px 24px; padding: 20px 22px; border-radius: 10px; background: var(--surface); border: 1px solid var(--accent); }
.cta > div { display: grid; gap: 6px; max-width: 62ch; min-width: 0; }
.cta p { color: var(--muted); }
a.btn { display: inline-block; text-decoration: none; font: 600 14px var(--body); padding: 10px 16px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); }
.tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.tool { display: grid; gap: 8px; align-content: start; padding: 20px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); text-decoration: none; }
.tool:hover, .tool:focus-visible { border-color: var(--accent); }
.tool .unit { font: 600 13px var(--mono); color: var(--accent); }
.tool p { color: var(--muted); font-size: 14px; }

/* Newsletter-Anmeldung (freiwillig, gerendert von newsletter.js) */
.newsletter { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px 32px; padding: 20px 22px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); align-items: start; }
.newsletter .nl-intro { display: grid; gap: 6px; min-width: 0; }
.newsletter .nl-intro p { color: var(--muted); font-size: 14px; }
.nl-form { display: grid; gap: 12px; min-width: 0; }
.nl-row { display: grid; gap: 6px; }
.nl-email-label { font-size: 13px; font-weight: 600; }
.nl-inline { display: flex; flex-wrap: wrap; gap: 8px; }
.nl-inline input { flex: 1 1 200px; width: auto; background: var(--bg); border-color: var(--line); padding: 8px 10px; }
.nl-inline .btn { flex: 0 0 auto; }
.nl-inline .btn:disabled { opacity: .6; cursor: wait; }
.nl-consent { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; font-size: 13px; color: var(--muted); }
.nl-consent input { width: 18px; height: 18px; margin: 1px 0 0; padding: 0; accent-color: var(--accent); }
.nl-consent input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.nl-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.nl-status { font-size: 14px; }
.nl-status:empty { display: none; }
.nl-status.ok { color: var(--ok); background: var(--ok-bg); padding: 10px 12px; border-radius: 8px; }
.nl-status.bad { color: var(--bad); }
.nl-status:focus { outline: none; }
.newsletter noscript p { color: var(--muted); font-size: 14px; }

/* Vorlagen & Leitfäden (Übersicht + /downloads/) */
.nl-note { font-size: 13px !important; }
.dl-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.dl-list li { display: grid; grid-template-columns: auto 1fr auto; gap: 6px 16px; align-items: center; padding: 14px 18px; background: var(--surface); }
.dl-list li > div { display: grid; gap: 2px; min-width: 0; }
.dl-list p { color: var(--muted); font-size: 14px; }
.dl-type { font: 600 11px/1 var(--mono); color: var(--accent); border: 1px solid var(--accent); border-radius: 4px; padding: 4px 6px; min-width: 42px; text-align: center; }
.dl-list a.btn { background: var(--surface); color: var(--accent); white-space: nowrap; }
.dl-list a.btn:hover, .dl-list a.btn:focus-visible { background: var(--accent); color: var(--accent-ink); }
a.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.dl-teaser { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px 32px; align-items: start; }
.dl-teaser ul { margin: 0; padding-left: 18px; display: grid; gap: 4px; color: var(--muted); font-size: 14px; }
@media (max-width: 560px) { .dl-list li { grid-template-columns: auto 1fr; } .dl-list a.btn { grid-column: 1 / -1; justify-self: start; } }