/* Layout der Bild-Werkzeuge: Einstellungen links, Bildliste mit Format-
   Varianten rechts. Visuell konsistent mit der PDF-Toolbox. */

.toolbox {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
  padding: 16px;
  max-width: 1400px;
  margin: 0 auto;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hint {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: 0 0 10px;
}

/* ---------------------------------------------------------- Format-Auswahl */
.format-checks {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.format-check {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 0.12s;
}

.format-check:hover { border-color: var(--accent); }
.format-check.unsupported { opacity: 0.5; cursor: not-allowed; }
.format-check.unsupported:hover { border-color: var(--border); }

.format-check input { accent-color: var(--accent); }
.format-name { font-size: 0.9rem; color: var(--text); }
.format-note { font-size: 0.7rem; color: var(--text-dim); }

/* ----------------------------------------------------------------- Slider */
.slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-row input[type="range"] { flex: 1; }

.slider-row output {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text);
  min-width: 48px;
  text-align: right;
}

/* ------------------------------------------------------------------ Resize */
.resize-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.resize-row input { flex: 1; min-width: 0; }
.resize-row span { color: var(--text-dim); font-size: 0.85rem; }

input[type="color"] {
  width: 100%;
  height: 36px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  cursor: pointer;
}

/* ----------------------------------------------------------------- Summary */
.summary {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.summary strong { color: var(--text); }
.summary .good { color: var(--accent-2); font-weight: 600; }
.summary .bad { color: var(--danger); font-weight: 600; }
.summary .loading { color: var(--accent-3); }

/* --------------------------------------------------------------- Work-Area */
.work-area {
  min-height: 70vh;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface);
}

.empty-state {
  color: var(--text-dim);
  text-align: center;
  padding: 60px 20px;
  line-height: 1.7;
}

.image-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* -------------------------------------------------------------- Bild-Karte */
.image-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  padding: 14px;
}

.image-head {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.image-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background:
    linear-gradient(45deg, var(--checker-1) 25%, transparent 25%, transparent 75%, var(--checker-1) 75%) 0 0/16px 16px,
    linear-gradient(45deg, var(--checker-1) 25%, var(--checker-2) 25%, var(--checker-2) 75%, var(--checker-1) 75%) 8px 8px/16px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.image-info { min-width: 0; }

.image-title {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.image-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-family: var(--mono);
}

.image-sub.dim { opacity: 0.8; }

.image-remove {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
}

.image-remove:hover { border-color: var(--danger); color: var(--danger); }

/* ---------------------------------------------------------- Format-Kacheln */
.variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

.variant-empty {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0;
  padding: 8px 0;
}

.variant-cell {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.variant-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.variant-badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
}

.variant-size {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.variant-size.loading { color: var(--accent-3); font-size: 0.85rem; font-weight: 400; }

.variant-delta { font-size: 0.75rem; }
.variant-delta.good { color: var(--accent-2); }
.variant-delta.bad { color: var(--danger); }

.variant-dl {
  margin-top: 2px;
  padding: 5px 10px;
  font-size: 0.8rem;
  width: 100%;
}

@media (max-width: 900px) {
  .toolbox { grid-template-columns: 1fr; }
}