.color-config-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px 20px;
}

.config-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-color);
}

.config-row:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.config-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
}

.config-inline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.config-hint {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 8px 0 0 0;
}

.config-input {
  flex: 1;
  min-width: 0;
  width: 100%;
  padding: 10px 12px 12px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.35);
  color: #e5e7eb;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.config-input:focus {
  border-color: rgba(16, 185, 129, 0.18);
  background: rgba(15, 23, 42, 0.5);
}

#imageCanvas {
  max-width: 100%;
  border-radius: 12px;
  cursor: crosshair;
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.magnifier {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 8px;
  border: 2px solid #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  pointer-events: none;
  z-index: 10;
  display: none;
}

.color-selector-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.color-selector-item {
  flex: 1;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.color-selector-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-color);
}

.color-preview-box {
  width: 100%;
  height: 80px;
  border-radius: 12px;
  border: 2px solid rgba(148, 163, 184, 0.14);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.color-preview-box:hover {
  transform: translateY(-1px);
}

.color-preview-box.active {
  border-color: rgba(148, 163, 184, 0.14);
}

.color-input-picker {
  width: 100%;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  cursor: pointer;
}

.color-hex-input {
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
}

.contrast-preview-section {
  margin-bottom: 20px;
}

.contrast-preview-card {
  width: 100%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.contrast-preview-text {
  padding: 40px 20px;
  text-align: center;
  font-size: 36px;
  font-weight: bold;
  line-height: 1.2;
}

.contrast-result-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 12px;
}

@media (min-width: 600px) {
  .contrast-result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.contrast-result-item {
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.25);
  border: 1px solid rgba(148, 163, 184, 0.14);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contrast-result-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.contrast-result-value {
  font-size: 16px;
  font-weight: 700;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
}

.contrast-result-value.pass {
  color: #10b981;
}

.contrast-result-value.fail {
  color: #ef4444;
}

.light-theme .config-input {
  background: #ffffff;
  color: #0f172a;
  border-color: rgba(30, 41, 59, 0.18);
}

.light-theme .config-input:focus {
  background: #ffffff;
  border-color: rgba(16, 185, 129, 0.8);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.14);
}

.light-theme .contrast-preview-card {
  border-color: rgba(30, 41, 59, 0.12);
}

.light-theme .contrast-result-item {
  background: #ffffff;
  border-color: rgba(30, 41, 59, 0.12);
}

.light-theme .color-preview-box {
  border-color: rgba(30, 41, 59, 0.12);
}