:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #dde1e7;
  --text: #17202b;
  --muted: #5b6676;
  --accent: #0b6e8f;
  --accent-soft: #e2f1f6;
  --accent-text: #ffffff;
  --good: #1a7f45;
  --warn: #a35d00;
  --warn-soft: #fff4e0;
  --bad: #b3261e;
  --bad-soft: #fde8e7;
  --curve-1: #0b6e8f;
  --curve-2: #c2410c;
  --grid: #e6e9ee;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141a;
    --surface: #171e26;
    --surface-2: #1e2731;
    --border: #2c3744;
    --text: #e6ebf1;
    --muted: #9aa7b6;
    --accent: #4fb3d4;
    --accent-soft: #15303b;
    --accent-text: #08141a;
    --good: #4cc584;
    --warn: #f0a845;
    --warn-soft: #33270f;
    --bad: #f2827a;
    --bad-soft: #3a1c1a;
    --curve-1: #4fb3d4;
    --curve-2: #f0915a;
    --grid: #26313d;
    --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f141a;
  --surface: #171e26;
  --surface-2: #1e2731;
  --border: #2c3744;
  --text: #e6ebf1;
  --muted: #9aa7b6;
  --accent: #4fb3d4;
  --accent-soft: #15303b;
  --accent-text: #08141a;
  --good: #4cc584;
  --warn: #f0a845;
  --warn-soft: #33270f;
  --bad: #f2827a;
  --bad-soft: #3a1c1a;
  --curve-1: #4fb3d4;
  --curve-2: #f0915a;
  --grid: #26313d;
  --shadow: none;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Kopfzeile */
header.top {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.top-inner {
  max-width: 1180px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 10px; margin-right: auto; }
.brand h1 { font-size: 18px; margin: 0; letter-spacing: .2px; }
.brand span { color: var(--muted); font-size: 13px; }
.top-actions { display: flex; gap: 8px; }

@media (max-width: 600px) {
  .brand span { display: none; }
  header.top { position: static; }
}

nav.tabs {
  max-width: 1180px; margin: 0 auto; padding: 0 16px;
  display: flex; gap: 2px; overflow-x: auto; scrollbar-width: thin;
}
nav.tabs button {
  border: 0; background: none; color: var(--muted);
  padding: 10px 14px; font: inherit; font-weight: 500; cursor: pointer;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
nav.tabs button:hover { color: var(--text); }
nav.tabs button[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }

main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 48px; }
section.panel { display: none; }
section.panel.active { display: block; }

.lead { color: var(--muted); margin: 0 0 16px; max-width: 80ch; }

.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); }
@media (max-width: 900px) { .grid.two { grid-template-columns: minmax(0, 1fr); } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  min-width: 0;
}
.card h2 { font-size: 15px; margin: 0 0 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); }
.card h3 { font-size: 15px; margin: 18px 0 8px; }
.card + .card { margin-top: 16px; }
.stack > * + * { margin-top: 16px; }

/* Formulare */
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label, .lbl { font-size: 13px; color: var(--muted); font-weight: 500; }
.field .hint { font-size: 12px; color: var(--muted); }
input[type="text"], input[type="number"], select {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 7px 9px; width: 100%; min-width: 0;
}
input[type="text"].num { font-family: var(--mono); font-size: 15px; }
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
input.computed { background: var(--accent-soft); border-color: var(--accent); }
input.invalid { border-color: var(--bad); background: var(--bad-soft); }
.unit-wrap { position: relative; }
.unit-wrap input { padding-right: 34px; }
.unit-wrap .unit { position: absolute; right: 9px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 13px; pointer-events: none; }

.check { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; user-select: none; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }

.subbox { border: 1px dashed var(--border); border-radius: 8px; padding: 12px; margin-top: 10px; background: var(--surface-2); }
.subbox[hidden] { display: none; }

.btn { display: inline-block; text-decoration: none;
  font: inherit; font-size: 14px; border-radius: 7px; cursor: pointer;
  padding: 7px 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.small { padding: 3px 9px; font-size: 13px; }
button.icon { border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 18px; line-height: 1; padding: 4px 6px; border-radius: 6px; }
button.icon:hover { color: var(--bad); background: var(--bad-soft); }

/* Ergebnisse */
.results { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.metric { background: var(--surface-2); border-radius: 8px; padding: 10px 12px; }
.metric .k { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.metric .v { font-family: var(--mono); font-size: 24px; font-weight: 600; margin-top: 2px; }
.metric .v small { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 3px; }
.metric.main { background: var(--accent-soft); }
.metric.main .v { color: var(--accent); }
.metric .sub { font-size: 12px; color: var(--muted); }

table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
table.data td { font-family: var(--mono); }
table.data td.txt { font-family: inherit; }
table.data tr.total td { font-weight: 700; border-top: 2px solid var(--text); border-bottom: 0; }
table.data tr.hl td { background: var(--accent-soft); }
table.data input { padding: 4px 6px; font-family: var(--mono); font-size: 14px; }
table.data td.edit { padding: 3px 4px; }
.table-scroll { overflow-x: auto; }

.tag { display: inline-block; font-size: 12px; padding: 1px 7px; border-radius: 99px; background: var(--surface-2); color: var(--muted); font-family: inherit; }
.tag.good { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.tag.bad { background: var(--bad-soft); color: var(--bad); }
.pos { color: var(--bad); } .neg { color: var(--good); }

.note { font-size: 13px; color: var(--muted); margin: 10px 0 0; }
.callout { border-left: 3px solid var(--warn); background: var(--warn-soft); padding: 10px 12px; border-radius: 0 8px 8px 0; font-size: 14px; margin-top: 12px; }
.callout.info { border-left-color: var(--accent); background: var(--accent-soft); }

.options { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.option { border: 1px solid var(--border); border-radius: 9px; padding: 12px; background: var(--surface); }
.option h4 { margin: 0 0 4px; font-size: 15px; }
.option p { margin: 0 0 8px; font-size: 13px; color: var(--muted); }
.option dl { margin: 0; display: grid; grid-template-columns: auto auto; gap: 3px 10px; font-size: 14px; }
.option dt { color: var(--muted); }
.option dd { margin: 0; text-align: right; font-family: var(--mono); }
.option.best { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

/* Plot */
.plot { width: 100%; height: auto; display: block; }
.plot text { fill: var(--muted); font-size: 11px; font-family: system-ui, sans-serif; }
.plot .grid line { stroke: var(--grid); }
.plot .axis { stroke: var(--muted); }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-top: 6px; }
.legend i { display: inline-block; width: 18px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 6px; }

/* Referenz */
.ref-list { font-size: 14px; padding-left: 20px; }
.ref-list li { margin-bottom: 6px; }
.formula { font-family: var(--mono); background: var(--surface-2); border-radius: 7px; padding: 10px 12px; overflow-x: auto; font-size: 14px; white-space: pre; }

/* Kalender */
.cal-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--muted); margin: 14px 0 8px; }
.cal-dot { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-right: 5px; border: 1px solid var(--border); }
.cal-dot.plan, .cal-d.plan { background: var(--accent-soft); border-color: var(--accent); }
.cal-dot.missed, .cal-d.missed { background: var(--bad-soft); border-color: var(--bad); }
.cal-dot.weekend, .cal-d.weekend { background: color-mix(in srgb, var(--good) 18%, transparent); border-color: var(--good); }
.cal-dot.bid, .cal-d.bid { background: var(--warn-soft); border-color: var(--warn); }
.cal-dot.append, .cal-d.append { background: var(--surface-2); border-color: var(--text); border-style: dashed; }
.cal-dot.hol { background: repeating-linear-gradient(45deg, var(--surface-2), var(--surface-2) 2px, var(--border) 2px, var(--border) 4px); }
.cal-wrap { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.cal-title { font-weight: 600; font-size: 14px; margin-bottom: 6px; text-transform: capitalize; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.cal-h { font-size: 11px; color: var(--muted); text-align: center; }
.cal-d { position: relative; aspect-ratio: 1; border: 1px solid transparent; border-radius: 6px; font-size: 12px; display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.1; }
.cal-d.we { color: var(--muted); }
.cal-d.hol:not(.plan):not(.missed):not(.weekend) { background: repeating-linear-gradient(45deg, transparent, transparent 3px, var(--surface-2) 3px, var(--surface-2) 6px); }
.cal-d b { font-size: 10px; font-weight: 700; }
.cal-d.missed b { color: var(--bad); } .cal-d.bid b { color: var(--warn); } .cal-d.weekend b { color: var(--good); }
.cal-d.click { cursor: pointer; }
.cal-d.click:hover { outline: 2px solid var(--accent); }
.print-only { display: none; }
textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="date"] { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 7px; padding: 6px 8px; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 8px; font-size: 14px;
  opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none; z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media print {
  header.top nav, .top-actions, .no-print { display: none !important; }
  header.top { position: static; }
  body { background: #fff; color: #000; }
  .card { box-shadow: none; break-inside: avoid; }
  section.panel { display: none !important; }
  section.panel.active { display: block !important; }
  .print-only { display: block; }
  .cal-d { border-width: 1px; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* Unsicherheit */
.fields.wide { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.contents { display: contents; }
.range-pair { display: grid; grid-template-columns: 1fr auto 1fr; gap: 6px; align-items: center; }
.range-pair > span { color: var(--muted); }
.tornado { margin-top: 14px; display: grid; gap: 6px; font-size: 13px; }
.tornado-row { display: grid; grid-template-columns: minmax(90px, 150px) 1fr minmax(110px, auto); gap: 10px; align-items: center; }
.tornado-track { position: relative; height: 14px; background: var(--surface-2); border-radius: 4px; }
.tornado-bar { position: absolute; top: 2px; bottom: 2px; background: var(--curve-1); border-radius: 3px; opacity: .8; }
.tornado-base { position: absolute; top: -2px; bottom: -2px; width: 2px; background: var(--text); }
.tornado-val { font-family: var(--mono); color: var(--muted); text-align: right; white-space: nowrap; }

/* Reiter-Gruppen */
.tab-sep { flex: 0 0 1px; align-self: center; height: 20px; background: var(--border); margin: 0 6px; }
nav.tabs button.tab-minor { font-weight: 400; }

/* Kompakte Tabellen und gleich breite Spalten */
.grid.two-even { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .grid.two-even { grid-template-columns: minmax(0, 1fr); } }
table.data.compact { width: auto; }
table.data.compact th, table.data.compact td { padding-left: 10px; padding-right: 10px; }
table.data.compact td.edit input { width: 90px !important; min-width: 0 !important; }
table.data.compact td.edit:first-child input { width: 180px !important; }

/* Editionen: Pro-Sperre und Hinweis */
.paywall { display: none; }
body.locked section[data-pro] > :not(.paywall) { display: none !important; }
body.locked section[data-pro] > .paywall { display: block; }
.paywall-inner { max-width: 620px; margin: 24px auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.paywall-badge { display: inline-block; background: var(--accent); color: var(--accent-text); font-weight: 700; font-size: 12px; letter-spacing: 1px; padding: 2px 10px; border-radius: 99px; }
.paywall-title { font-size: 20px; margin: 10px 0 6px; }
.paywall-inner ul { padding-left: 20px; margin: 10px 0 16px; }
.paywall-actions { display: flex; gap: 8px; flex-wrap: wrap; }
nav.tabs button.pro-locked::after { content: "PRO"; font-size: 9px; font-weight: 700; margin-left: 5px; padding: 1px 4px; border-radius: 4px; background: var(--accent-soft); color: var(--accent); vertical-align: 2px; }
.promo { max-width: 1180px; margin: 0 auto; padding: 8px 16px; display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; font-size: 14px; background: var(--accent-soft); border-top: 1px solid var(--border); }
html[data-edition="app"] .no-app { display: none !important; }