/* ==========================================================================
   RECHEN-WERKSTATT  -  alles unter .rwk gescoped
   Leitfarbe Bernstein, weil dieser Ton bei den Modulfarben noch frei war.
   ========================================================================== */
.rwk {
  display: block; max-width: 1080px; margin: 0 auto; padding: 20px 22px 48px;
  --karte: rgba(20,20,31,.58);
  --karte-2: rgba(25,25,38,.55);
  --erhoben: rgba(29,29,44,.58);
  --line: #262637; --line-soft: #1e1e2c;
  --txt: #eef0f6; --dim: #a2a2ba; --faint: #6a6a86;
  --amber: #ffb347; --blau: #3da9ff; --gruen: #3ddc84; --rot: #ff3b5c;
  --mono: 'FQ Ziffern', 'JetBrains Mono', ui-monospace, monospace;
  --label: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --sb: #ffb347;
  color: var(--txt); font-family: var(--label);
}
@media (max-width: 700px) { .rwk { padding: 14px 12px 36px; } }

.rwk .rw-back {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--karte); border: 1px solid var(--line); color: var(--txt);
  font-size: 13px; font-weight: 600; padding: 9px 15px;
  border-radius: 10px; cursor: pointer; margin-bottom: 16px;
}
.rwk .rw-back:hover { border-color: var(--amber); color: var(--amber); }

.rwk .rw-kopf { margin-bottom: 14px; }
.rwk .rw-kopf h1 {
  margin: 0; font-family: 'Press Start 2P', monospace; font-size: 16px; line-height: 1.5;
  background: linear-gradient(90deg, var(--amber), var(--rot));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.rwk .rw-kopf-s { font-size: 12.5px; color: var(--dim); margin-top: 9px; }

/* ---------- Stufen ---------- */
.rwk .rw-stufen { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.rwk .rw-stufe {
  display: flex; align-items: center; gap: 8px;
  background: var(--karte); border: 1px solid var(--line); color: var(--dim);
  font-size: 12.5px; font-weight: 600; padding: 8px 13px 8px 8px; border-radius: 12px;
  cursor: pointer; transition: border-color .15s, color .15s, transform .1s;
}
.rwk .rw-stufe:hover { color: var(--txt); border-color: #34344c; transform: translateY(-1px); }
.rwk .rw-stufe .n {
  display: grid; place-items: center; min-width: 24px; height: 24px;
  border-radius: 8px; background: var(--erhoben); color: var(--faint);
  font-family: var(--mono); font-size: 11px;
}
.rwk .rw-stufe.on { border-color: var(--amber); color: var(--txt); background: rgba(255,179,71,.10); }
.rwk .rw-stufe.on .n { background: var(--amber); color: #2a1a04; }

/* ---------- Lernkarte ---------- */
.rwk .rw-lern {
  background: var(--karte); border: 1px solid var(--line); border-left: 3px solid var(--amber);
  border-radius: 14px; margin-bottom: 14px; overflow: hidden;
}
.rwk .rw-lern-kopf {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  background: transparent; border: none; cursor: pointer; padding: 14px 16px;
  color: var(--txt); font-family: var(--label); font-size: 14px; font-weight: 700;
}
.rwk .rw-lern-kopf .ico { color: var(--amber); font-size: 12px; transition: transform .18s; }
.rwk .rw-lern.offen .rw-lern-kopf .ico { transform: rotate(90deg); }
.rwk .rw-lern-kopf .t { flex: 1; }
.rwk .rw-lern-kopf .s { font-size: 11px; font-weight: 500; color: var(--faint); }
.rwk .rw-lern-body { padding: 0 18px 16px; }
.rwk .rw-lern-body p { margin: 0 0 11px; font-size: 13.5px; line-height: 1.68; color: var(--dim); }

.rwk .rw-beispiel {
  background: rgba(61,169,255,.08); border: 1px solid rgba(61,169,255,.3);
  border-radius: 11px; padding: 12px 14px; margin: 12px 0 0;
  font-size: 13px; line-height: 1.65; color: var(--txt);
}
.rwk .rw-beispiel .l {
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--blau); margin-bottom: 6px;
}
.rwk .rw-merke {
  background: rgba(255,179,71,.08); border: 1px solid rgba(255,179,71,.32);
  border-radius: 11px; padding: 12px 14px; margin: 12px 0 0;
  font-size: 13px; line-height: 1.6; color: var(--txt);
}
.rwk .rw-merke .l {
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 6px;
}
.rwk .rw-weg2 { margin-top: 12px; }
.rwk .rw-weg2-t {
  display: none; margin-top: 10px; padding: 11px 14px; border-radius: 10px;
  background: rgba(180,123,255,.08); border: 1px solid rgba(180,123,255,.3);
  font-size: 13px; line-height: 1.62; color: var(--txt);
}
.rwk .rw-weg2-t.show { display: block; }

/* ---------- Einheitenleiter ---------- */
.rwk .rw-leiter {
  background: var(--karte-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 15px; margin: 13px 0;
}
.rwk .rw-leiter-kopf .t {
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--faint);
}
.rwk .rw-leiter-tab { margin-top: 10px; }
.rwk .rw-lz {
  display: grid; grid-template-columns: 74px 1fr 1fr; gap: 10px;
  padding: 7px 0; border-bottom: 1px solid var(--line-soft); align-items: center;
}
.rwk .rw-lz:last-child { border-bottom: none; }
.rwk .rw-lk {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--faint);
}
.rwk .rw-lz .s { font-size: 12.5px; color: var(--dim); }
.rwk .rw-lz .bin { font-family: var(--mono); font-size: 12.5px; color: var(--amber); }
.rwk .rw-lz .dez { font-family: var(--mono); font-size: 12.5px; color: var(--blau); }
.rwk .rw-leiter-fuss { margin-top: 10px; font-size: 12px; line-height: 1.55; color: var(--faint); }
@media (max-width: 620px) {
  .rwk .rw-lz { grid-template-columns: 56px 1fr 1fr; gap: 6px; }
  .rwk .rw-lz .bin, .rwk .rw-lz .dez { font-size: 11px; }
}

/* ---------- Aufgabenkarte ---------- */
.rwk .rw-karte {
  background: var(--karte); border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; margin-bottom: 14px;
}
.rwk .rw-k-kopf {
  display: flex; align-items: baseline; gap: 11px; flex-wrap: wrap; padding: 15px 18px;
  background: linear-gradient(180deg, rgba(255,179,71,.07), transparent);
}
.rwk .rw-k-nr { font-family: var(--mono); font-size: 12px; color: var(--amber); white-space: nowrap; }
.rwk .rw-k-frage { flex: 1; min-width: 220px; font-size: 14.5px; line-height: 1.55; }
.rwk .rw-k-xp {
  font-family: var(--mono); font-size: 12px; white-space: nowrap; color: var(--gruen);
  border: 1px solid rgba(61,220,132,.35); padding: 4px 10px; border-radius: 8px;
}
.rwk .rw-lage {
  font-size: 13.5px; line-height: 1.68; color: var(--dim); margin-bottom: 14px;
  background: linear-gradient(135deg, rgba(255,179,71,.07), transparent);
  border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px;
}
.rwk .rw-hinweis {
  font-size: 12.5px; line-height: 1.6; color: var(--dim); margin-bottom: 14px;
  padding: 10px 13px; border-radius: 10px;
  background: rgba(61,169,255,.07); border-left: 3px solid rgba(61,169,255,.5);
}
.rwk .rw-hinweis b { color: var(--txt); }

/* ---------- Bauteiltabelle ---------- */
.rwk .rw-teile {
  background: var(--karte-2); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; margin-bottom: 14px;
}
.rwk .rw-tz {
  display: grid; grid-template-columns: 1fr 76px 96px 104px; gap: 10px;
  padding: 9px 15px; font-size: 13px; border-bottom: 1px solid var(--line-soft);
  align-items: center;
}
.rwk .rw-tz:last-child { border-bottom: none; }
.rwk .rw-tk {
  background: var(--erhoben); font-family: var(--mono); font-size: 9.5px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--faint);
}
.rwk .rw-tz .n { font-family: var(--mono); text-align: right; color: var(--dim); }
.rwk .rw-tz .n.s { color: var(--amber); }
@media (max-width: 620px) {
  .rwk .rw-tz { grid-template-columns: 1fr 46px 66px 72px; gap: 5px; font-size: 11.5px; padding: 8px 10px; }
}

/* ---------- Nutzwerttabelle ---------- */
.rwk .rw-nw {
  background: var(--karte-2); border: 1px solid var(--line); border-radius: 12px;
  overflow-x: auto; margin-bottom: 14px;
}
.rwk .rw-nz {
  display: grid;
  grid-template-columns: minmax(140px,1.4fr) 74px repeat(var(--spalten,3), minmax(112px,1fr));
  gap: 8px; padding: 9px 15px; align-items: center;
  border-bottom: 1px solid var(--line-soft);
  /* Die Zeile richtet sich am Inhalt aus und fuellt mindestens die Breite des
     Rahmens. Eine feste Mindestbreite fuehrte dazu, dass die Zeile bei vier
     Anbietern ueber sich selbst hinauslief statt den Rahmen scrollen zu lassen. */
  width: max-content; min-width: 100%; box-sizing: border-box;
}
.rwk .rw-nz:last-child { border-bottom: none; }
.rwk .rw-nk {
  background: var(--erhoben); font-family: var(--mono); font-size: 9.5px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--faint);
}
.rwk .rw-nz .krit { font-size: 13px; color: var(--txt); }
/* Die Kopfzeile traegt beide Klassen - ohne diesen Vorrang faerbt die
   allgemeine Regel weiter unten auch die Ueberschrift bernsteinfarben. */
.rwk .rw-nz.rw-nk .krit,
.rwk .rw-nz.rw-nk .gew,
.rwk .rw-nz.rw-nk .anb { color: var(--faint) !important; font-size: 9.5px !important; }
.rwk .rw-nz .gew { font-family: var(--mono); font-size: 13px; color: var(--amber); text-align: center; }
.rwk .rw-nz .anb { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.rwk .rw-nz .anb .p { font-family: var(--mono); font-size: 14px; color: var(--txt); }
.rwk .rw-nz .anb .g { font-family: var(--mono); font-size: 10px; color: var(--faint); font-style: normal; }
.rwk .rw-ne { background: rgba(255,179,71,.06); }
.rwk .rw-ne .krit { font-weight: 700; color: var(--amber); }

/* ---------- Eingabefelder ---------- */
.rwk .rw-in {
  background: var(--karte-2); border: 1px solid var(--line); color: var(--txt);
  font-family: var(--mono); font-size: 15px; font-weight: 600;
  padding: 11px 14px; border-radius: 10px; width: 172px; box-sizing: border-box;
  text-align: right; letter-spacing: .03em;
}
.rwk .rw-in.klein { width: 100%; padding: 8px; font-size: 14px; text-align: center; }
.rwk .rw-in::placeholder { color: #45455c; font-weight: 400; }
.rwk .rw-in:focus { outline: none; border-color: var(--amber); background: rgba(255,179,71,.07); }
.rwk .rw-in.ok { border-color: var(--gruen); background: rgba(61,220,132,.14); color: var(--gruen); }
.rwk .rw-in.bad { border-color: var(--rot); background: rgba(255,59,92,.14); color: #ff9db0; }

.rwk .rw-frage-zeile {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 4px 0;
  font-size: 13.5px;
}
.rwk .rw-frage-zeile .l { color: var(--dim); }
.rwk .rw-frage-zeile .e { font-family: var(--mono); font-size: 13px; color: var(--amber); }

/* ---------- Siegerauswahl ---------- */
.rwk .rw-wahl { display: flex; gap: 8px; flex-wrap: wrap; }
.rwk .rw-wahl-b {
  background: var(--karte-2); border: 1px solid var(--line); color: var(--dim);
  font-family: var(--label); font-size: 13px; font-weight: 600;
  padding: 9px 16px; border-radius: 10px; cursor: pointer;
}
.rwk .rw-wahl-b:hover { color: var(--txt); border-color: #34344c; }
.rwk .rw-wahl-b.on { border-color: var(--amber); color: var(--amber); background: rgba(255,179,71,.12); }

/* ---------- Rechenweg ---------- */
.rwk .rw-weghalter { margin-top: 4px; }
.rwk .rw-weg {
  background: var(--karte-2); border: 1px solid var(--line);
  border-left: 3px solid var(--blau); border-radius: 12px;
  padding: 14px 16px; margin-top: 14px;
}
.rwk .rw-weg-kopf { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.rwk .rw-weg-kopf .t {
  font-family: var(--mono); font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--blau);
}
.rwk .rw-weg-kopf .z { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--faint); }
.rwk .rw-weg-liste { display: flex; flex-direction: column; gap: 8px; margin: 10px 0 4px; }
.rwk .rw-wz {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 9px 11px; border-radius: 9px; background: rgba(255,255,255,.028);
}
.rwk .rw-wz.neu { background: rgba(61,169,255,.10); }
.rwk .rw-wz .n {
  display: grid; place-items: center; flex: none;
  width: 21px; height: 21px; border-radius: 6px;
  background: var(--erhoben); color: var(--faint);
  font-family: var(--mono); font-size: 10.5px;
}
.rwk .rw-wz.neu .n { background: var(--blau); color: #04121f; }
.rwk .rw-wz .tx { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.rwk .rw-wz .tx b { font-size: 12.5px; color: var(--txt); font-weight: 600; }
.rwk .rw-wz .tx .r {
  font-family: var(--mono); font-size: 13px; color: var(--dim);
  line-height: 1.5; word-break: break-word;
}
.rwk .rw-weg-btn { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

/* ---------- Leistungsbalken ---------- */
.rwk .rw-balken {
  margin-top: 14px; padding: 12px; overflow-x: auto;
  background: var(--karte-2); border: 1px solid var(--line); border-radius: 12px;
}
.rwk .rw-balken-svg { display: block; margin: 0 auto; }
.rwk .rw-bal-spur { fill: rgba(255,255,255,.05); stroke: var(--line-soft); stroke-width: 1; }
.rwk .rw-bal-last { fill: rgba(61,169,255,.55); }
.rwk .rw-bal-reserve { fill: rgba(255,179,71,.42); }
.rwk .rw-bal-marke { stroke: var(--gruen); stroke-width: 2.5; }
.rwk .rw-bal-txt {
  fill: var(--dim); font-family: 'FQ Ziffern','Inter',system-ui,sans-serif;
  font-size: 11px; font-weight: 600; text-anchor: middle;
}
.rwk .rw-bal-txt.last { fill: var(--blau); }
.rwk .rw-bal-txt.noetig { fill: var(--amber); }
.rwk .rw-bal-txt.netz { fill: var(--gruen); }
.rwk .rw-bal-strich { stroke: #3a3a58; stroke-width: 1.4; }
.rwk .rw-bal-strich.last { stroke: var(--blau); }
.rwk .rw-bal-strich.noetig { stroke: var(--amber); }
.rwk .rw-bal-strich.netz { stroke: var(--gruen); }

/* ---------- Knoepfe und Rueckmeldung ---------- */
.rwk .rw-btnreihe { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 16px; }
.rwk .rw-btn {
  background: linear-gradient(135deg, #d08a1f, var(--amber)); border: none; color: #2a1a04;
  font-family: var(--label); font-size: 13px; font-weight: 700;
  padding: 11px 20px; border-radius: 11px; cursor: pointer;
}
.rwk .rw-btn:hover:not(:disabled) { filter: brightness(1.1); }
.rwk .rw-btn:disabled { opacity: .4; cursor: default; }
.rwk .rw-btn.geist {
  background: transparent; border: 1px solid var(--line); color: var(--dim); font-weight: 600;
}
.rwk .rw-btn.geist:hover:not(:disabled) { border-color: var(--amber); color: var(--amber); filter: none; }
.rwk .rw-btn.go {
  background: linear-gradient(135deg, #1f9e63, var(--gruen)); color: #04140a; margin-top: 12px;
}
.rwk .rw-rueck {
  display: none; margin-top: 14px; padding: 12px 15px; border-radius: 11px;
  font-size: 13px; line-height: 1.62;
}
.rwk .rw-rueck.show { display: block; }
.rwk .rw-rueck.ok { background: rgba(61,220,132,.10); border: 1px solid var(--gruen); color: var(--gruen); }
.rwk .rw-rueck.err { background: rgba(255,59,92,.09); border: 1px solid var(--rot); color: #ff7d90; }
.rwk .rw-rueck.info {
  background: rgba(61,169,255,.08); border: 1px solid rgba(61,169,255,.4); color: #9fd0ff;
}