/* Color input section */
.color-inputs {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
}
.color-picker-group {
  flex: 1;
}
.color-picker-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}
.color-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.color-input-row input[type="color"] {
  width: 48px;
  height: 48px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 2px;
  background: none;
}
.color-input-row input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.color-input-row input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }
.color-input-row input[type="text"] {
  flex: 1;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-mono, monospace);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Swap button */
.swap-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all 0.15s ease;
  flex-shrink: 0;
  margin-bottom: 0;
}
.swap-btn:hover {
  background: var(--color-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Contrast ratio display */
.contrast-display {
  text-align: center;
  padding: 24px;
  margin-bottom: 24px;
}
.contrast-ratio {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 4px;
}
.contrast-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Preview panel */
.preview-panel {
  padding: 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  margin-bottom: 24px;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.preview-panel h2 { margin-top: 0; }
.preview-panel p { line-height: 1.6; }
.preview-panel p:last-child { margin-bottom: 0; }

/* WCAG results grid */
.wcag-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.wcag-card {
  padding: 16px;
  border-radius: var(--radius-md);
  text-align: center;
  border: 2px solid var(--color-border-light);
  transition: all 0.2s ease;
}
.wcag-card.pass {
  border-color: #86efac;
  background: #f0fdf4;
}
.wcag-card.fail {
  border-color: #fca5a5;
  background: #fef2f2;
}
.wcag-level {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.wcag-type {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}
.wcag-threshold {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.wcag-result {
  font-size: 1rem;
  font-weight: 700;
}
.wcag-card.pass .wcag-result { color: #16a34a; }
.wcag-card.fail .wcag-result { color: #dc2626; }

@media (max-width: 768px) {
  .color-inputs {
    flex-direction: column;
    align-items: stretch;
  }
  .swap-btn {
    align-self: center;
    transform: rotate(90deg);
  }
  .wcag-grid { grid-template-columns: 1fr 1fr; }
  .contrast-ratio { font-size: 2.25rem; }
}
@media (max-width: 480px) {
  .wcag-grid { grid-template-columns: 1fr; }
}