/* ── Color Blindness Simulator — tool-specific styles ────────────────────────
   Global styles are inherited from /css/style.css.
   Colours reference CSS custom properties only — no hardcoded values.
   ─────────────────────────────────────────────────────────────────────────── */

.cbs-dropzone {
  width: 100%;
  min-height: 220px;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  padding: 2rem 1rem;
}

.cbs-dropzone:hover,
.cbs-dropzone.is-dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.cbs-dropzone__icon { font-size: 3rem; margin-bottom: 12px; display: block; }
.cbs-dropzone__text { font-size: 1.1rem; font-weight: 500; color: var(--text); }
.cbs-dropzone__hint { font-size: 0.8rem; color: var(--text-3); margin: 4px 0 0; }

.cbs-dropzone__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.cbs-browse-btn {
  padding: 8px 20px;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  background: transparent;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.cbs-browse-btn:hover { background: var(--accent); color: var(--surface); }

.cbs-sample-btn {
  padding: 8px 14px;
  border: none;
  background: none;
  color: var(--text-3);
  font-size: 0.85rem;
  text-decoration: underline;
  cursor: pointer;
}
.cbs-sample-btn:hover { color: var(--accent); }

.cbs-error {
  margin: 0.75rem 0 0;
  color: var(--color-danger);
  font-size: 0.875rem;
}

#cbs-editor-section[hidden] { display: none; }

.cbs-controls-row {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.cbs-field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 220px; }
.cbs-field--slider { min-width: 260px; }
.cbs-label { font-size: 0.85rem; font-weight: 600; color: var(--text-2); }

.cbs-select {
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  cursor: pointer;
}

.cbs-slider-row { display: flex; align-items: center; gap: 0.75rem; }
.cbs-slider { flex: 1; accent-color: var(--accent); cursor: pointer; }
.cbs-slider-val {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  min-width: 44px;
  text-align: right;
  font-family: var(--mono);
}

.cbs-help {
  font-size: 0.8rem;
  color: var(--text-3);
  margin: 0.75rem 0 0;
}

.cbs-compare-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 700px) {
  .cbs-compare-layout { grid-template-columns: 1fr; }
}

.cbs-canvas-col { display: flex; flex-direction: column; gap: 0.6rem; }

.cbs-canvas-heading {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.cbs-canvas-container {
  position: relative;
  background: #111;
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cbs-canvas-container canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

.cbs-image-info {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-3);
  min-height: 20px;
  margin-top: 0.75rem;
}

.cbs-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 860px) {
  .cbs-grid { grid-template-columns: repeat(2, 1fr); }
}

.cbs-grid-tile {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
}

.cbs-grid-tile canvas {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #111;
}

.cbs-grid-tile span {
  font-size: 0.75rem;
  color: var(--text-3);
  text-align: center;
}

@media (max-width: 520px) {
  .cbs-controls-row { flex-direction: column; }
  .cbs-slider-val { text-align: left; }
}