/* uvv/style.css — UVV Karteikarten (Akzentfarbe: Grün) */

:root, [data-theme="dark"], [data-theme="light"] {
  --accent: var(--green);
}

/* ---- Stats in header ---- */
.stats {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.stats strong { color: var(--text); font-weight: 500; }
.progress-bar { width: 110px; height: 4px; background: var(--surface2); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--green); border-radius: 2px; transition: width 0.4s; }

/* ---- Toolbar ---- */
.toolbar {
  padding: 0.65rem 1.8rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.action-btn {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  font-family: 'Barlow', sans-serif;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}
.action-btn:hover { border-color: var(--green); color: var(--green); }

/* ---- Main ---- */
main {
  flex: 1;
  padding: 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.card-counter {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.card-counter span { color: var(--green); }

/* ---- Flip Card ---- */
.card-wrapper { width: 100%; max-width: 700px; perspective: 1200px; }
.card {
  width: 100%;
  min-height: 360px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4,0,0.2,1);
  cursor: pointer;
}
.card.flipped { transform: rotateY(180deg); }
.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  min-height: 360px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.card-front { border-top: 3px solid var(--green); }
.card-back  { transform: rotateY(180deg); border-top: 3px solid var(--amber); }

.card-tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
  opacity: 0.8;
}
.card-back .card-tag { color: var(--amber); }
.card-q {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.35;
  flex: 1;
  display: flex;
  align-items: center;
}
.card-a { font-size: 1rem; line-height: 1.7; flex: 1; overflow-y: auto; }
.card-a ul { padding-left: 1.2rem; margin-top: 0.4rem; }
.card-a li { margin-bottom: 0.3rem; }
.card-hint { font-size: 0.75rem; color: var(--text-muted); text-align: center; margin-top: 1.25rem; letter-spacing: 0.05em; }
.card-hint-back { font-size: 0.75rem; color: var(--amber); text-align: center; margin-top: 1.25rem; letter-spacing: 0.05em; opacity: 0.7; }

/* ---- Result buttons ---- */
.result-row { display: none; gap: 0.75rem; }
.result-row.visible { display: flex; }
.result-btn {
  padding: 0.5rem 1.4rem;
  border-radius: 10px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s;
}
.result-btn:hover { opacity: 0.85; }
.result-btn.correct { background: var(--green); color: #fff; }
.result-btn.wrong   { background: var(--red);   color: #fff; }

/* ---- Nav ---- */
.nav-row {
  display: flex;
  gap: 1rem;
  width: 100%;
  max-width: 700px;
  justify-content: space-between;
}
.nav-btn {
  padding: 0.6rem 1.6rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-muted);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.15s;
}
.nav-btn:hover { border-color: var(--green); color: var(--green); }
.nav-btn:disabled { opacity: 0.3; cursor: default; pointer-events: none; }

/* ---- Dots ---- */
.dot-nav { display: flex; gap: 5px; flex-wrap: wrap; justify-content: center; max-width: 700px; width: 100%; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--surface2); border: 1px solid var(--border); cursor: pointer; transition: background 0.2s; flex-shrink: 0; }
.dot.current { background: var(--green); border-color: var(--green); }
.dot.correct  { background: var(--green); border-color: var(--green); }
.dot.wrong    { background: var(--red);   border-color: var(--red);   }

/* ---- Summary ---- */
.summary { display: none; flex-direction: column; align-items: center; gap: 1.5rem; padding: 3rem 1rem; text-align: center; max-width: 500px; }
.summary.show { display: flex; }
.summary-title { font-family: 'Barlow Condensed', sans-serif; font-size: 2.5rem; font-weight: 700; color: var(--green); }
.summary-score { font-size: 1.1rem; color: var(--text-muted); line-height: 1.6; }
.summary-score strong { color: var(--text); font-size: 1.4rem; }
.restart-btn {
  padding: 0.7rem 2rem;
  background: var(--green);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: opacity 0.15s;
}
.restart-btn:hover { opacity: 0.85; }

/* img area (falls später Bilder kommen) */
#img-area { width: 100%; }

@media (max-width: 600px) {
  main { padding: 1rem; }
  .card-q { font-size: 1.25rem; }
  .toolbar { padding: 0.7rem 1rem; }
}