/* =========================================================
   ANNO 2070 – INDIVIDUELLER STIL
   Stimmung: Aqua / Sci‑Fi – Eco, Tycoon, Tech
   Deep Ocean: dunkler, mehr Tiefsee
   ========================================================= */

:root {
  --color-accent: #00f5ff;

  --color-panel: rgba(4, 18, 28, 0.60);
  --color-panel-hover: rgba(10, 28, 44, 0.86);

  --color-border: rgba(0, 245, 255, 0.55);
  --color-line: rgba(0, 245, 255, 0.26);

  --color-text: #e9f7ff;
}

/* Deep Ocean: kleine Theme-Anpassung (Variablen) */
body.dlc-deepocean {
  --color-panel: rgba(2, 10, 18, 0.70);
  --color-panel-hover: rgba(6, 18, 32, 0.90);
  --color-border: rgba(0, 245, 255, 0.42);
  --color-line: rgba(0, 245, 255, 0.22);
}

/* Hintergrund (Hauptspiel) */
.background {
  background-image: url("../Bilder/Hintergrund/Anno 2070.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  filter: brightness(0.82) saturate(1.05);
}

/* Deep Ocean: anderes Bild + leicht dunkler */
body.dlc-deepocean .background {
  background-image: url("../Bilder/Hintergrund/Anno 2070 - Deep Ocean.jpg");
  filter: brightness(0.72) saturate(1.08);
}

/* DLC Sichtbarkeit */
body:not(.dlc-deepocean) [data-dlc="deepocean"] { display: none !important; }
body.dlc-deepocean [data-dlc-off="deepocean"] { display: none !important; }

/* DLC Toggle im Header (optisch passend zu 2205) */
.dlc-toggle-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.dlc-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.22);
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.20) inset;
  color: var(--color-text);
  user-select: none;
  cursor: pointer;
}

.dlc-toggle input {
  width: 16px;
  height: 16px;
}

/* Ergebnis-Tabelle in dunklem Theme lesbar machen */
.resultsTable {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.resultsTable td {
  padding: 8px 6px;
  border: 1px solid rgba(255,255,255,0.16);
}

.resultsTable img {
  display: block;
  margin: 0 auto;
}

/* Kleine Hilfsabstände bei alten Produktionsketten-Tabellen */
#annoproduktionsketten hr {
  border: 0;
  height: 1px;
  background: var(--color-line);
  margin: 12px 0;
}

/* =========================================================
   ZURÜCK-BUTTON: Design + links im Header angeheftet
   (Nur Button stylen – damit das restliche Layout nicht kaputtgeht)
   ========================================================= */

/* Header ist in style.css bereits position: sticky; (reicht für absolute Kinder).
   Falls du daran rumgeschraubt hast, hier zur Sicherheit: */
header { position: sticky; }

.back-btn {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);

  display: inline-flex;
  align-items: center;
  gap: 8px;

  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;

  color: var(--color-text);
  text-decoration: none;

  border: 1px solid var(--color-border);
  background: radial-gradient(circle at top, rgba(0,245,255,0.22), rgba(4,18,28,0.92));
  box-shadow: 0 0 10px rgba(0,245,255,0.35);

  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.back-btn::before {
  content: "←";
  font-size: 1.05rem;
  line-height: 1;
  opacity: 0.95;
}

.back-btn:hover {
  transform: translateY(-50%) translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 0 14px rgba(0,245,255,0.55);
}

.back-btn:active {
  transform: translateY(-50%);
  filter: brightness(0.98);
}

@media (max-width: 520px) {
  .back-btn span { display: none; }
  .back-btn { padding: 6px 12px; }
}