/*
 * Greifer-Konfigurator (fertigung/greifer-konfigurator.html, assets/js/greifer3d.js).
 * Royal Blue leads (active states, chips, links, the 3D accent); orange stays on the primary
 * action buttons ("knopf signal") only. All classes carry the gk- prefix.
 */
.gk, #gk-anfrage { --gk-blau: var(--blau, #2350d8); --gk-blau-zart: #eaf0fd; --gk-blau-dunkel: #1a3ea8; }

.gk { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 24px; align-items: start; }

/* ---------- stage ---------- */
.gk-buehne { position: relative; aspect-ratio: 4 / 3; min-height: 440px; border-radius: var(--r-gross); overflow: hidden;
  background: radial-gradient(ellipse at 50% 35%, #ffffff 0%, #eef1f6 55%, #dde3ec 100%); border: 1px solid var(--linie);
  box-shadow: var(--schatten); }
@media (min-width: 1021px) { .gk-buehne { position: sticky; top: 96px; } }
.gk-buehne canvas { width: 100% !important; height: 100% !important; display: block; touch-action: none; }
.gk-oben, .gk-unten { position: absolute; left: 12px; right: 12px; display: flex; align-items: center; gap: 8px; z-index: 2; pointer-events: none; }
.gk-oben > *, .gk-unten > * { pointer-events: auto; }
.gk-oben { top: 12px; justify-content: space-between; flex-wrap: wrap; }
.gk-unten { bottom: 12px; justify-content: space-between; flex-wrap: wrap; }
.gk-status { padding: 7px 11px; border-radius: 999px; background: rgba(255, 255, 255, .88); color: var(--tinte); font-size: .76rem;
  border: 1px solid var(--linie); backdrop-filter: blur(4px); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gk-status.gk-rechnet { color: var(--gk-blau); border-color: var(--gk-blau); }
.gk-status.gk-rechnet::before { content: ''; display: inline-block; width: 8px; height: 8px; margin-right: 7px; border-radius: 50%;
  background: var(--gk-blau); animation: gk-puls .9s ease-in-out infinite alternate; }
@keyframes gk-puls { from { opacity: .25; } to { opacity: 1; } }
.gk-ansicht { display: inline-flex; gap: 4px; }
.gk-ansicht button, .gk-bewegung { font: 600 .78rem/1 var(--text); padding: 8px 11px; border-radius: 999px; border: 1px solid #c8ccd2;
  background: rgba(255, 255, 255, .9); color: var(--tinte); cursor: pointer; min-height: 34px; }
.gk-ansicht button:hover, .gk-bewegung:hover { border-color: var(--gk-blau); color: var(--gk-blau); }
.gk-bewegung[aria-pressed="true"] { border-color: var(--gk-blau); color: var(--gk-blau); }
.gk-legende { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 6px 10px; border-radius: 999px;
  background: rgba(255, 255, 255, .85); font-size: .74rem; color: var(--stahl); }
.gk-legende i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.gk-farbe-teil { background: rgba(35, 80, 216, .45); border: 1px solid var(--gk-blau); }
.gk-farbe-druck { background: #3d4148; }
.gk-ablage { position: absolute; inset: 14px; z-index: 3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  border: 2px dashed var(--gk-blau); border-radius: var(--r-gross); background: rgba(234, 240, 253, .92); color: var(--gk-blau-dunkel); }
.gk-ablage[hidden] { display: none; }
.gk-ablage svg { width: 34px; height: 34px; }
.gk-fehler { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 24px; text-align: center; color: var(--stahl); margin: 0; }

/* ---------- controls ---------- */
.gk-steuer { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.gk-schritt { border: 1px solid var(--linie); border-radius: var(--r-gross); padding: 14px 16px 16px; margin: 0; background: var(--weiss); min-width: 0; }
.gk-schritt legend { display: inline-flex; align-items: center; gap: 8px; font: 600 1rem/1.2 var(--titel); padding: 0 6px; color: var(--tinte); }
.gk-nr { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--gk-blau); color: #fff; font: 600 .78rem/1 var(--mono); }
.gk-unsichtbar { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.gk-steuer input[type=search], .gk-steuer input[type=text], .gk-steuer input[type=number], .gk-steuer select {
  font: inherit; font-size: .95rem; padding: 9px 11px; border: 1px solid #c8ccd2; border-radius: var(--r); background: var(--weiss); color: var(--tinte); width: 100%; min-height: 42px; }
.gk-steuer input:focus, .gk-steuer select:focus, .gk-steuer button:focus-visible, .gk-buehne button:focus-visible {
  outline: none; border-color: var(--gk-blau); box-shadow: 0 0 0 3px rgba(35, 80, 216, .25); }
.gk-filter { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin: 10px 0; }
.gk-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.gk-chips button { font: 600 .82rem/1 var(--text); padding: 8px 12px; border-radius: 999px; border: 1px solid #c8ccd2; background: var(--weiss);
  color: var(--stahl); cursor: pointer; min-height: 36px; transition: background .12s, border-color .12s, color .12s; }
.gk-chips button:hover { border-color: var(--gk-blau); color: var(--gk-blau); }
.gk-chips button[aria-pressed="true"], .gk-chips button[aria-checked="true"] { background: var(--gk-blau); border-color: var(--gk-blau); color: #fff; }
.gk-klein-feld { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; color: var(--stahl); white-space: nowrap; }
.gk-steuer .gk-klein-feld input { width: 72px; min-height: 36px; padding: 6px 8px; }

.gk-liste { list-style: none; margin: 0; padding: 0; max-height: 236px; overflow-y: auto; border: 1px solid var(--linie); border-radius: var(--r); }
.gk-liste li + li { border-top: 1px solid var(--linie); }
.gk-liste button { display: flex; flex-direction: column; gap: 3px; width: 100%; text-align: left; padding: 10px 12px; border: 0;
  border-left: 3px solid transparent; background: var(--weiss); cursor: pointer; font: inherit; color: var(--tinte); }
.gk-liste button:hover { background: var(--papier); }
.gk-liste button[aria-pressed="true"] { border-left-color: var(--gk-blau); background: var(--gk-blau-zart); }
.gk-r-kopf { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; font-size: .95rem; }
.gk-typ { font: 600 .66rem/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--gk-blau); }
.gk-r-meta { font-size: .8rem; color: var(--grau); }
.gk-r-luecke { color: var(--grau); font-style: italic; }
.gk-leer { padding: 12px; font-size: .85rem; color: var(--grau); }
.gk-stand { margin: 6px 0 0; font-size: .76rem; }
.gk-textknopf { background: none; border: 0; padding: 8px 0 0; color: var(--gk-blau); font: 600 .88rem/1.3 var(--text); cursor: pointer;
  text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.gk-textknopf[aria-expanded="true"] { color: var(--gk-blau-dunkel); }
.gk-eigen { margin-top: 10px; padding: 12px; background: var(--papier); border-radius: var(--r); }
.gk-eigen[hidden] { display: none; }
.gk-felder { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 12px; }
.gk-felder label { display: flex; flex-direction: column; gap: 4px; font-size: .8rem; font-weight: 600; color: var(--stahl); min-width: 0; }
.gk-eigen .gk-felder label:first-child { grid-column: 1 / -1; }
.gk-felder label[hidden] { display: none; }
.gk-zwei { margin-top: 12px; }

.gk-flansch:empty { display: none; }
.gk-flansch { margin-top: 12px; }
.gk-daten { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; font-size: .84rem; }
.gk-daten dt { color: var(--grau); }
.gk-daten dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; min-width: 0; overflow-wrap: anywhere; }
.gk-daten dd.gk-luecke { font-weight: 400; color: var(--grau); font-style: italic; }
.gk-luecken-text, .gk-quelle, .gk-platzhalter { margin: 8px 0 0; font-size: .78rem; color: var(--stahl); }
.gk-quelle a { color: var(--gk-blau); text-decoration-color: var(--gk-blau); text-decoration-thickness: 1px; }
.gk-platzhalter { padding: 6px 9px; border-left: 3px solid var(--gk-blau); background: var(--gk-blau-zart); }

.gk-reiter { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 3px; background: var(--papier); border-radius: 999px; margin-bottom: 10px; }
.gk-reiter button { border: 0; border-radius: 999px; padding: 9px; font: 600 .85rem/1 var(--text); background: transparent; color: var(--stahl); cursor: pointer; min-height: 38px; }
.gk-reiter button[aria-selected="true"] { background: var(--gk-blau); color: #fff; }
[data-gk-feld][hidden] { display: none; }
.gk-beispiele { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.gk-beispiele button { display: flex; flex-direction: column; gap: 3px; align-items: flex-start; text-align: left; padding: 10px 12px; border: 1px solid #c8ccd2;
  border-radius: var(--r); background: var(--weiss); cursor: pointer; font: 600 .88rem/1.2 var(--text); color: var(--tinte); }
.gk-beispiele small { font: 400 .74rem/1.3 var(--text); color: var(--grau); }
.gk-beispiele button:hover { border-color: var(--gk-blau); }
.gk-beispiele button[aria-pressed="true"] { border-color: var(--gk-blau); background: var(--gk-blau-zart); box-shadow: inset 0 -3px 0 var(--gk-blau); }
.gk-datei { padding: 18px; }
.gk-datei:hover { border-color: var(--gk-blau); }
.gk-datei svg { color: var(--gk-blau); }
.gk-dateiname { margin: 8px 0 0; font-size: .8rem; color: var(--stahl); word-break: break-all; }
.gk-dateiname[hidden] { display: none; }
.gk-warnung { color: #8e2a20 !important; }
.gk-masse { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 12px 0 0; font-size: .84rem; }
.gk-masse:empty { display: none; }
.gk-masse dt { color: var(--grau); }
.gk-masse dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; min-width: 0; overflow-wrap: anywhere; }

.gk-last { margin-top: 12px; padding: 10px 12px; border-radius: var(--r); background: var(--papier); font-size: .84rem; }
.gk-last p { margin: 0; display: flex; justify-content: space-between; gap: 10px; }
.gk-last p + p { margin-top: 3px; }
.gk-last b { font-weight: 600; }
.gk-last.gk-offen { color: var(--stahl); }
.gk-last .gk-urteil { display: block; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--linie); }
.gk-urteil strong { display: inline-block; margin-right: 8px; padding: 2px 9px; border-radius: 999px; font-size: .8rem; }
.gk-ok { background: #edf7f1; }
.gk-ok .gk-urteil strong { background: var(--ok); color: #fff; }
.gk-zu-schwer { background: #fbeceb; }
.gk-zu-schwer .gk-urteil strong { background: #b3261e; color: #fff; }
.gk-zu-schwer .gk-urteil span { color: #8e2a20; }

.gk-varianten { display: grid; grid-template-columns: 1fr; gap: 6px; margin-bottom: 14px; }
.gk-varianten button { display: flex; flex-direction: column; gap: 4px; align-items: flex-start; text-align: left; padding: 11px 10px; border: 1px solid #c8ccd2;
  border-radius: var(--r-gross); background: var(--weiss); cursor: pointer; font: inherit; color: var(--tinte); transition: border-color .12s, box-shadow .12s; }
.gk-varianten strong { font-size: .9rem; line-height: 1.2; hyphens: manual; }
.gk-varianten span { font-size: .74rem; line-height: 1.3; color: var(--grau); }
.gk-varianten button:hover { border-color: var(--gk-blau); }
.gk-varianten button[aria-checked="true"] { border-color: var(--gk-blau); background: var(--gk-blau-zart); box-shadow: inset 0 0 0 1px var(--gk-blau); }
.gk-varianten button[aria-checked="true"] strong { color: var(--gk-blau-dunkel); }
.gk-unterkopf p { margin: 0 0 10px; font-size: .82rem; }
.gk-offen-text { padding: 7px 10px; border-left: 3px solid var(--gk-blau); background: var(--gk-blau-zart); color: var(--tinte); }
.gk-gruppe-r { display: grid; grid-template-columns: 1fr; gap: 12px; padding: 10px 12px; margin-bottom: 12px; border: 1px dashed var(--gk-blau); border-radius: var(--r); }
.gk-regler-raster { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; }
.gk-regler { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.gk-regler:has(.gk-wahl) { grid-column: 1 / -1; }
.gk-regler-kopf { display: flex; justify-content: space-between; align-items: baseline; gap: 6px; font-size: .82rem; font-weight: 600; }
.gk-regler-titel { color: var(--tinte); }
.gk-wert { font-size: .78rem; color: var(--gk-blau); white-space: nowrap; }
.gk-regler input[type=range] { width: 100%; accent-color: var(--gk-blau); margin: 2px 0 0; min-height: 24px; }
.gk-info { font-size: .72rem; line-height: 1.3; color: var(--grau); }
.gk-wahl button { padding: 7px 11px; min-height: 34px; font-size: .8rem; }
.gk-meldung { margin: 14px 0 0; padding: 9px 12px; border-left: 3px solid var(--signal); background: var(--signal-zart); font-size: .82rem; display: flex; flex-direction: column; gap: 4px; }
.gk-meldung[hidden] { display: none; }

.gk-ergebnis { display: flex; flex-direction: column; gap: 12px; }
.gk-zusammenfassung { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; padding: 14px 16px; border-radius: var(--r-gross); background: var(--tinte); color: #e6e8eb; font-size: .84rem; }
.gk-zusammenfassung dt { font: 500 .72rem/1.5 var(--mono); color: #9aa0a8; text-transform: uppercase; letter-spacing: .04em; }
.gk-zusammenfassung dd { margin: 0; font-weight: 500; min-width: 0; overflow-wrap: anywhere; }
.gk-hinweis { margin: 0; font-size: .8rem; }
.gk-knoepfe { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.gk-knoepfe .knopf { padding-left: .8em; padding-right: .8em; }

/* ---------- enquiry ---------- */
.gk-anhaenge { margin: 0 0 14px; padding-left: 1.1em; color: var(--stahl); font-size: .94rem; }
.gk-anhaenge li { overflow-wrap: anywhere; }
#gk-anfrage .einwilligung a { color: var(--gk-blau); text-decoration-color: var(--gk-blau); }
#gk-anfrage .feld input:focus, #gk-anfrage .feld textarea:focus { border-color: var(--gk-blau); box-shadow: 0 0 0 3px rgba(35, 80, 216, .25); }

@media (max-width: 1100px) { .gk { grid-template-columns: minmax(0, 1fr) 360px; } }
@media (max-width: 1020px) {
  .gk { grid-template-columns: 1fr; }
  .gk-buehne { aspect-ratio: 4 / 3; min-height: 300px; }
  .gk-varianten { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .gk-buehne { aspect-ratio: 1 / 1; min-height: 0; }
  .gk-varianten { grid-template-columns: 1fr; }
  .gk-regler-raster { grid-template-columns: 1fr; }
  .gk-felder { grid-template-columns: 1fr; }
  .gk-knoepfe { grid-template-columns: 1fr; }
  .gk-legende { display: none; }
  .gk-schritt { padding: 12px 12px 14px; }
}