/* ============================================================
   München Textildruck Solution (MTD) — Konfigurator
   Layout (Steuerspalte + Bühne), Step-Übergänge, Swatches,
   Vorschau-Overlay. Ergänzt css/app.css, keine Token-Duplikate.
   ============================================================ */

.konf-intro { padding-bottom: 0; }

/* ---------- Layout: Steuerspalte + Bühne ---------- */
.konf-layout {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 380px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
@media (max-width: 860px) {
  .konf-layout { grid-template-columns: 1fr; }
  .konf-buehne { order: -1; }
}

.konf-buehne {
  position: sticky;
  top: calc(76px + 1rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
@media (max-width: 860px) {
  .konf-buehne { position: static; }
}

/* ---------- Vorschau-Bühne: Aspect-Ratio + Hintergrund, robust ohne Bild ---------- */
.mockup {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: var(--surface-sunken);
  border: 1px solid var(--hairline);
}
.mockup img#mockup-base {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: filter 0.25s var(--ease), opacity 0.2s var(--ease);
}
/* Farbwechsel: das neutrale, weiße Basis-Mockup wird per Filter eingefärbt,
   damit die Vorschau auf die gewählte Textilfarbe reagiert. */
#mockup-base[data-farbe="weiss"]   { filter: none; }
#mockup-base[data-farbe="grau"]    { filter: brightness(0.82) saturate(0.6); }
#mockup-base[data-farbe="schwarz"] { filter: brightness(0.26) contrast(1.1); }
#mockup-base[data-farbe="navy"]    { filter: brightness(0.5) sepia(0.55) hue-rotate(185deg) saturate(3.2); }
#mockup-base[data-farbe="rot"]     { filter: brightness(0.95) sepia(1) saturate(6) hue-rotate(-18deg); }
.overlay {
  position: absolute;
  pointer-events: none;
}
/* Sobald ein Motiv gesetzt ist, muss #overlay selbst greifbar sein (Drag&Drop). */
#overlay {
  cursor: grab;
  touch-action: none;
  pointer-events: auto;
}
#overlay:active { cursor: grabbing; }
.motiv-img { max-width: 220px; display: block; }
.motiv-text { font-weight: 700; white-space: nowrap; }

.konf-ansicht-btn { align-self: center; }

/* ---------- Fortschrittsbalken ---------- */
.konf-progress-track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--surface-sunken);
  overflow: hidden;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}
.konf-progress-bar {
  height: 100%;
  background: var(--gradient-red);
  border-radius: inherit;
  transition: width 0.3s var(--ease);
}

/* ---------- Step-Übergänge ---------- */
[data-step] { display: none; }
[data-step].active { display: block; animation: konf-step-in 0.35s var(--ease); }
@keyframes konf-step-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.konf-group { margin-bottom: 1.6rem; }
.konf-group-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 0.7rem;
}

/* ---------- Swatches: Produkt ---------- */
.konf-swatches { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.konf-produkt-btn {
  font: inherit;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.7em 1.2em;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--hairline-strong);
  background: var(--white);
  color: var(--carbon);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}
.konf-produkt-btn:hover { border-color: var(--red); color: var(--red); }
.konf-produkt-btn.sel {
  border-color: var(--red);
  background: var(--red);
  color: var(--white);
}

/* ---------- Swatches: Farbe ---------- */
.konf-farb-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1.5px solid var(--hairline-strong);
  background: var(--sw, var(--white));
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.konf-farb-btn:hover { transform: translateY(-2px); }
.konf-farb-btn.sel {
  box-shadow: 0 0 0 2px var(--white), 0 0 0 4px var(--red);
}

/* ---------- Motiv-Tabs (Text / Datei hochladen, kombinierbar) ---------- */
.konf-tabs { display: flex; gap: 0.5rem; margin-bottom: 1.2rem; border-bottom: 1px solid var(--hairline); }
.konf-tab-btn {
  font: inherit;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.6em 0.2em;
  margin-bottom: -1px;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--graphite);
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.konf-tab-btn:hover { color: var(--carbon); }
.konf-tab-btn.sel { color: var(--red); border-bottom-color: var(--red); }
.konf-tabpanel { display: none; }
.konf-tabpanel.active { display: block; }

/* ---------- Navigation Weiter/Zurück ---------- */
.konf-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
}

/* ---------- Größenmatrix (Step 5) ---------- */
.konf-groessen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: 0.7rem;
}
.konf-groesse-item { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; }
.konf-groesse-item label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--carbon);
}
.konf-groesse-item input[type="number"] {
  width: 100%;
  text-align: center;
  padding: 0.55em 0.3em;
  border: 1.5px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  font: inherit;
  color: var(--carbon);
  background: var(--white);
}
.konf-groesse-item input[type="number"]:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(229, 27, 36, 0.12);
  outline: none;
}
.konf-menge-summe { font-weight: 600; margin-top: 0.4rem; }

/* ---------- Mannschaftsliste (Step 6, nur Trikot) ---------- */
.konf-spieler-liste { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 1.2rem; }
.konf-spieler-zeile {
  display: grid;
  grid-template-columns: 1fr 4.5rem 5.5rem auto;
  gap: 0.5rem;
  align-items: center;
}
.konf-spieler-zeile input,
.konf-spieler-zeile select {
  font: inherit;
  padding: 0.6em 0.7em;
  border: 1.5px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--carbon);
}
.konf-spieler-zeile input:focus,
.konf-spieler-zeile select:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(229, 27, 36, 0.12);
  outline: none;
}
.konf-spieler-remove {
  background: none;
  border: none;
  color: var(--graphite);
  font-size: 1.2rem;
  line-height: 1;
  padding: 0.4em;
  cursor: pointer;
}
.konf-spieler-remove:hover { color: var(--red); }
@media (max-width: 480px) {
  .konf-spieler-zeile { grid-template-columns: 1fr 1fr auto; }
  .konf-spieler-zeile select { grid-column: 1 / -1; }
}

/* ---------- Richtpreis-Box + Zusammenfassung (Step 7) ---------- */
.konf-preisbox {
  background: var(--surface-sunken);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.4rem;
  margin-bottom: 1.4rem;
}
.konf-preis-haupt {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 0.35rem;
  color: var(--carbon);
}
.konf-zusammenfassung {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.5rem 1.2rem;
  margin: 0 0 1.8rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}
.konf-zusammenfassung dt { font-weight: 600; color: var(--graphite); margin: 0; }
.konf-zusammenfassung dd { margin: 0 0 0.5rem; color: var(--carbon); }

@media (prefers-reduced-motion: reduce) {
  [data-step].active { animation: none; }
}