/* U-Wert-Rechner · Entwurf EAF-CI. Farben ausschließlich über Rollen aus palette.css.
   Radien: Feld/Knopf 6 px, Karte 10 px. Fokus/Hover nur Rahmenfarbe, kein Schein, keine Animation. */
:root {
  --r-feld: 6px;
  --r-karte: 10px;
  --feld-h: 44px;
  --feld-h-klein: 36px;
  --abstand: 16px;
  font-family: Inter, system-ui, sans-serif;
  color: var(--site-text);
  background: var(--site-page-bg);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--site-band-bg); color: var(--site-text); font-size: 14px; line-height: 1.4; }
h2 { margin: 0; font-size: 16px; font-weight: 700; }
button, input, select { font: inherit; color: inherit; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.leise { color: var(--site-secondary-text); font-weight: 400; font-size: 13px; margin: 0; }
.ueberzeile { margin: 0; font-family: "IBM Plex Mono", ui-monospace, monospace; font-weight: 600; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--site-label-text); }
.ic { width: 20px; height: 20px; flex: none; }

/* Kopf */
.kopf { display: flex; align-items: center; gap: 24px; padding: 12px 24px; background: var(--site-page-bg); border-bottom: 1px solid var(--site-card-border); position: sticky; top: 0; z-index: 5; }
.kopf-marke img { display: block; height: 32px; width: auto; }
.kopf-titel { display: flex; flex-direction: column; gap: 2px; min-width: 260px; }
.bauteilname input[type="text"] { border: 1px solid transparent; border-radius: var(--r-feld); background: transparent; font-size: 20px; font-weight: 700; padding: 2px 8px; margin-left: -9px; height: 36px; width: 100%; max-width: 420px; }
.bauteilname input[type="text"]:hover { border-color: var(--site-field-border); }
.bauteilname input[type="text"]:focus { outline: none; border-color: var(--site-focus-ring); }
.kopf-art { display: flex; margin-left: auto; }

/* Segmentknöpfe */
.seg { height: var(--feld-h-klein); padding: 0 14px; border: 1px solid var(--site-field-border); background: var(--site-card-bg); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.seg + .seg { margin-left: -1px; }
.seg:first-child { border-radius: var(--r-feld) 0 0 var(--r-feld); }
.seg:last-child { border-radius: 0 var(--r-feld) var(--r-feld) 0; }
.seg:hover:not(:disabled) { background: var(--site-card-hover-bg); }
.seg[aria-pressed="true"] { background: var(--brand-primary); border-color: var(--brand-primary); color: var(--brand-on-primary); position: relative; z-index: 1; }
.seg:disabled { color: var(--site-faint-text); cursor: not-allowed; background: var(--site-band-bg); }
.seg:focus-visible { outline: none; border-color: var(--site-focus-ring); position: relative; z-index: 2; }
.seg[aria-pressed="true"]:focus-visible { outline: 1px solid var(--site-text); outline-offset: 1px; }

/* Raster */
.rahmen { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: var(--abstand); padding: var(--abstand) 24px 48px; max-width: 1560px; margin: 0 auto; align-items: start; }
.spalte-haupt { display: flex; flex-direction: column; gap: var(--abstand); min-width: 0; }
.spalte-ergebnis { display: flex; flex-direction: column; gap: var(--abstand); position: sticky; top: 76px; }

.karte { background: var(--site-card-bg); border: 1px solid var(--site-card-border); border-radius: var(--r-karte); padding: 16px 20px; }
.karte-leise { background: transparent; }
.karte-kopf { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: space-between; margin-bottom: 12px; }

/* Knöpfe */
.knopf { height: var(--feld-h-klein); padding: 0 12px; border-radius: var(--r-feld); border: 1px solid var(--site-field-border); background: var(--site-card-bg); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; white-space: nowrap; }
.knopf:hover:not(:disabled) { border-color: var(--brand-primary); }
.knopf:focus-visible { outline: none; border-color: var(--site-focus-ring); }
.knopf:disabled { color: var(--site-faint-text); cursor: not-allowed; border-color: var(--site-card-border); }
.knopf-flach { border-color: transparent; background: transparent; }
.knopf-flach:hover:not(:disabled) { border-color: var(--site-field-border); }
.knopf-haupt { height: var(--feld-h); justify-content: center; background: var(--brand-primary); border-color: var(--brand-primary); color: var(--brand-on-primary); font-weight: 600; }
.knopf-haupt:hover:not(:disabled) { background: var(--brand-primary-hover); border-color: var(--brand-primary-hover); }
.knopf-haupt:disabled { background: var(--site-deep-bg); color: var(--site-faint-text); border-color: var(--site-card-border); }
.knopf-ikon { width: 32px; height: 32px; padding: 0; justify-content: center; border-color: transparent; background: transparent; }
.knopf-ikon:hover:not(:disabled) { border-color: var(--site-field-border); }
.werkzeuge, .vorlage { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }

/* Felder */
.feld { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.feld > span, .mini > span { font-size: 12px; color: var(--site-label-text); }
.feld em { font-style: normal; color: var(--site-faint-text); }
input[type="text"], select { height: var(--feld-h); border: 1px solid var(--site-field-border); border-radius: var(--r-feld); background: var(--site-card-bg); padding: 0 10px; min-width: 0; width: 100%; }
input[type="text"]:hover, select:hover { border-color: var(--brand-primary); }
input[type="text"]:focus, select:focus { outline: none; border-color: var(--site-focus-ring); }
input::placeholder { color: var(--site-faint-text); }
input.zahl { text-align: right; font-variant-numeric: tabular-nums; }
.mini { display: flex; flex-direction: column; gap: 2px; }
.mini select { height: var(--feld-h-klein); width: auto; min-width: 140px; }
[aria-invalid="true"] { border-color: var(--site-error) !important; background: var(--site-error-bg) !important; }

/* Skizze */
.skizze { margin: 0; position: relative; }
.skizze > svg { display: block; width: 100%; height: 280px; }
.skizze .s-schicht { stroke: var(--site-secondary-text); stroke-width: 1; vector-effect: non-scaling-stroke; cursor: pointer; }
.skizze .s-rahmen { stroke: var(--site-secondary-text); stroke-width: 1; vector-effect: non-scaling-stroke; fill: url(#pat-frame); pointer-events: none; }
.skizze .s-rahmen-quer { stroke-dasharray: 4 3; fill: none; }
.skizze .s-wahl { fill: none; stroke: var(--brand-primary); stroke-width: 2; vector-effect: non-scaling-stroke; pointer-events: none; }
.skizze .s-hover:hover { stroke: var(--brand-primary); }
.skizze .s-mass { stroke: var(--site-secondary-text); stroke-width: 1; vector-effect: non-scaling-stroke; }
.skizze text { fill: var(--site-text); font-family: Inter, sans-serif; }
.skizze .s-text-leise { fill: var(--site-secondary-text); }
.skizze .s-nr rect { fill: var(--site-card-bg); stroke: var(--site-field-border); stroke-width: 1; vector-effect: non-scaling-stroke; }
.skizze .s-nr { cursor: pointer; }
.skizze .s-nr.aktiv rect { stroke: var(--brand-primary); }
.skizze .s-nr.aktiv text { fill: var(--brand-primary-text); font-weight: 700; }
.skizze-seiten { display: flex; justify-content: space-between; color: var(--site-secondary-text); font-size: 13px; margin-top: 4px; }
.skizze-seiten span { display: inline-flex; align-items: center; gap: 4px; }
.skizze-leer { height: 280px; display: grid; place-items: center; color: var(--site-secondary-text); border: 1px dashed var(--site-card-border); border-radius: var(--r-feld); }

/* Schraffuren */
.p-fill { fill: var(--site-card-bg); }
.p-fill-soft { fill: var(--site-band-bg); }
.p-frame { fill: var(--site-deep-bg); }
.p-line { fill: none; stroke: var(--site-secondary-text); stroke-width: 1; vector-effect: non-scaling-stroke; }
.p-dot { fill: none; stroke: var(--site-secondary-text); stroke-width: 2; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.p-dot-big { stroke-width: 3; }

/* Schichtliste */
.schichten { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.schicht { border: 1px solid var(--site-card-border); border-radius: var(--r-feld); background: var(--site-card-bg); }
.schicht.aktiv { border-color: var(--brand-primary); }
.s-kopf { display: grid; grid-template-columns: 34px 30px minmax(120px, 1fr) 112px auto auto auto; gap: 8px; align-items: center; padding: 8px 10px; }
.s-nummer { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--site-secondary-text); text-align: center; }
.schicht.aktiv .s-nummer { color: var(--brand-primary-text); }
.s-muster { width: 30px; height: 30px; border: 1px solid var(--site-field-border); border-radius: 4px; overflow: hidden; }
.s-muster svg { display: block; width: 100%; height: 100%; }
.s-name { position: relative; }
.marke-vorlage-feld { position: absolute; left: 8px; top: -8px; z-index: 1; padding: 0 4px; background: var(--site-card-bg); color: var(--site-secondary-text); font-family: "IBM Plex Mono", monospace; font-size: 9px; letter-spacing: .06em; text-transform: uppercase; line-height: 14px; }
.einheit-feld.vorlage input { border-style: dashed; }
.einheit-feld { position: relative; }
.einheit-feld input { padding-right: 36px; }
.einheit-feld i { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-style: normal; color: var(--site-faint-text); font-size: 13px; pointer-events: none; }
.kern { display: inline-flex; align-items: center; gap: 6px; height: var(--feld-h-klein); padding: 0 10px; border: 1px solid var(--site-field-border); border-radius: var(--r-feld); cursor: pointer; white-space: nowrap; }
.kern input { margin: 0; accent-color: var(--brand-primary); }
.kern:hover { border-color: var(--brand-primary); }
.kern:has(input:checked) { border-color: var(--brand-primary); color: var(--brand-primary-text); font-weight: 600; }
.kern:has(input:focus-visible) { border-color: var(--site-focus-ring); }
.s-art { display: inline-flex; }
.s-art .seg { height: var(--feld-h-klein); padding: 0 10px; }
.s-aktionen { display: flex; gap: 2px; justify-content: flex-end; }
.s-darstellung { margin-left: auto; display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--site-label-text); }
.s-darstellung select { height: 28px; width: auto; min-width: 120px; font-size: 12px; padding: 0 6px; }

.s-teil { border-top: 1px solid var(--site-divider); padding: 8px 10px 10px 82px; }
.s-teil-titel { display: flex; align-items: center; gap: 8px; margin: 0 0 6px; font-size: 12px; color: var(--site-label-text); }
.s-teil-titel .ueberzeile { font-size: 10px; }
.m-zeile { display: grid; grid-template-columns: minmax(150px, 1.3fr) 96px 156px minmax(110px, 1fr) minmax(100px, .8fr); gap: 8px; align-items: end; }
.m-zeile .feld > span { font-size: 11px; }
.m-baustoff { height: var(--feld-h); border: 1px solid var(--site-field-border); border-radius: var(--r-feld); background: var(--site-card-bg); display: flex; align-items: center; gap: 8px; padding: 0 10px; cursor: pointer; text-align: left; width: 100%; min-width: 0; }
.m-baustoff:hover { border-color: var(--brand-primary); }
.m-baustoff:focus-visible { outline: none; border-color: var(--site-focus-ring); }
.m-baustoff .m-txt { display: flex; flex-direction: column; min-width: 0; line-height: 1.2; }
.m-baustoff .m-txt b, .m-baustoff .m-txt small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.m-baustoff small { color: var(--site-secondary-text); font-size: 11px; }
.m-baustoff .ic:last-child { margin-left: auto; color: var(--site-secondary-text); }
.m-gebunden { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; font-size: 12px; color: var(--site-secondary-text); margin-top: 6px; }
.m-gebunden a { color: var(--brand-primary-text); display: inline-flex; align-items: center; gap: 3px; }
.m-gebunden .ic { width: 16px; height: 16px; }
.m-zeile input[readonly] { background: var(--site-band-bg); color: var(--site-secondary-text); }

.g-zeile { display: grid; grid-template-columns: repeat(3, 120px) auto 1fr; gap: 8px; align-items: end; margin-bottom: 10px; }
.richtung { display: inline-flex; }
.richtung .seg { height: var(--feld-h); padding: 0 10px; gap: 6px; }
.richtung svg.mini-skizze { width: 22px; height: 22px; }
.mini-skizze rect { fill: none; stroke: currentColor; stroke-width: 1; }

/* Herkunftsmarken */
.marke-klein { display: inline-flex; align-items: center; gap: 4px; padding: 2px 6px; border-radius: 4px; font-size: 11px; line-height: 16px; border: 1px solid var(--site-card-border); color: var(--site-secondary-text); background: var(--site-card-bg); white-space: nowrap; }
.marke-klein .ic { width: 14px; height: 14px; }
.marke-katalog { color: var(--brand-primary-text); border-color: var(--brand-primary); background: var(--brand-primary-soft); }
.marke-fehlt, .marke-offen { color: var(--site-warning); border-color: var(--site-warning); }
.marke-ok { color: var(--site-success); border-color: var(--site-success); }
.marke-vorlage { font-family: "IBM Plex Mono", monospace; font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }

.summe { display: flex; gap: 16px; align-items: center; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--site-divider); color: var(--site-secondary-text); font-size: 13px; flex-wrap: wrap; }
.summe b { color: var(--site-text); font-variant-numeric: tabular-nums; }

/* Kernschnitt (sectionHtml des nativen Adapters, unverändert eingesetzt) */
.kernschnitt .leer { color: var(--site-secondary-text); margin: 0; }
.kernschnitt figure { margin: 0; }
.kernschnitt .hull-section-cuts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kernschnitt svg { display: block; width: 100%; height: 300px; background: var(--site-band-bg); border: 1px solid var(--site-card-border); border-radius: var(--r-feld); }
.kernschnitt .hull-section-layer { stroke: var(--site-secondary-text); stroke-width: 1px; vector-effect: non-scaling-stroke; fill: var(--site-card-bg); }
.kernschnitt .hull-section-frame { fill: url(#pat-frame); stroke: var(--site-secondary-text); stroke-width: 1px; vector-effect: non-scaling-stroke; }
.kernschnitt .hull-layer-summary { margin: 4px 0; font-size: 12px; color: var(--site-secondary-text); }
.kernschnitt figcaption { margin-top: 8px; font-size: 12px; color: var(--site-secondary-text); }

/* Ergebnis */
.ergebnis { padding: 18px 20px; }
.u-zeile { display: flex; align-items: baseline; gap: 8px; margin: 6px 0 4px; }
.u-wert { font-size: 44px; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.u-wert.offen { color: var(--site-secondary-text); font-size: 32px; }
.u-einheit { color: var(--site-secondary-text); font-size: 15px; }
.zustand { margin: 6px 0 0; display: flex; gap: 6px; align-items: flex-start; font-size: 13px; }
.zustand .ic { width: 18px; height: 18px; margin-top: 1px; }
.zustand.ok { color: var(--site-success); }
.zustand.offen { color: var(--site-warning); }
.zustand .zum-feld { margin-left: auto; height: 28px; font-size: 12px; padding: 0 8px; color: var(--site-text); }
.kennwerte { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 14px 0 0; font-size: 13px; }
.kennwerte:empty { display: none; }
.kennwerte dt { color: var(--site-secondary-text); }
.kennwerte dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.herkunft-liste, .hinweise, .fehlt-liste { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 4px; font-size: 12px; }
.herkunft-liste:empty, .hinweise:empty { display: none; }
.herkunft-liste li, .fehlt-liste li, .hinweise li { display: flex; gap: 6px; align-items: flex-start; color: var(--site-secondary-text); }
.herkunft-liste .ic, .fehlt-liste .ic, .hinweise .ic { width: 16px; height: 16px; margin-top: 1px; }
.herkunft-liste { border-top: 1px solid var(--site-divider); padding-top: 10px; }
.rand-raster { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.rand-raster .breit { grid-column: 1 / -1; }
.katalog-zeile { margin: 4px 0 0; font-size: 12px; color: var(--site-secondary-text); word-break: break-word; }
.katalog-zeile code { font-family: "IBM Plex Mono", monospace; font-size: 11px; }

/* Baustoffauswahl */
.auswahl { position: absolute; z-index: 20; width: 460px; max-height: 420px; overflow: auto; background: var(--site-card-bg); border: 1px solid var(--site-card-border); border-radius: var(--r-karte); box-shadow: var(--site-shadow-float); padding: 12px; }
.auswahl-suche { position: relative; margin-bottom: 10px; }
.auswahl-suche .ic { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--site-secondary-text); }
.auswahl-suche input { padding-left: 36px; }
.auswahl-gruppe { margin: 10px 0 6px; }
.auswahl ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.produkt { width: 100%; text-align: left; border: 1px solid var(--site-card-border); border-radius: var(--r-feld); background: var(--site-card-bg); padding: 10px 12px; cursor: pointer; display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; }
.produkt:hover, .produkt:focus-visible { outline: none; border-color: var(--brand-primary); }
.produkt[aria-current="true"] { border-color: var(--brand-primary); background: var(--brand-primary-soft); }
.produkt b { font-size: 14px; }
.produkt small { color: var(--site-secondary-text); font-size: 12px; }
.produkt .lambda { grid-row: span 2; align-self: center; text-align: right; font-variant-numeric: tabular-nums; }
.produkt .lambda small { display: block; }
.auswahl .leer { color: var(--site-secondary-text); font-size: 13px; margin: 6px 0; }

.meldung { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--site-footer-bg); color: var(--site-footer-text); border-radius: var(--r-feld); padding: 10px 14px; display: flex; gap: 12px; align-items: center; z-index: 30; font-size: 13px; }
.meldung button { background: transparent; border: 1px solid var(--site-footer-muted); color: var(--site-footer-text); border-radius: var(--r-feld); height: 28px; padding: 0 10px; cursor: pointer; }

@media (max-width: 1439px) {
  .rahmen { grid-template-columns: minmax(0, 1fr) 320px; padding: 16px; }
  .s-teil { padding-left: 44px; }
  .s-art .seg { padding: 0 8px; }
  .kopf { padding: 12px 16px; }
}
@media (max-width: 1199px) {
  .s-kopf { grid-template-columns: 30px 30px minmax(130px, 1fr) 104px auto; }
  .s-art { grid-column: 3 / 5; }
  .s-aktionen { grid-column: 5; }
  .m-zeile { grid-template-columns: minmax(160px, 1.2fr) 96px 150px; }
  .s-teil { padding-left: 10px; }
}
.knopf-ikon:disabled { border-color: transparent; }