.color-customizer-panel {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translate(100%, -50%);
  width: 260px;
  max-height: 80vh;
  background: var(--color-background-color, #fff);
  border: 1px solid var(--color-border-color, rgba(0,0,0,0.08));
  border-right: none;
  border-radius: 12px 0 0 12px;
  box-shadow: var(--redefine-box-shadow, 0 6px 24px rgba(0,0,0,0.08));
  z-index: 9999;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.color-customizer-panel.visible {
  transform: translate(0, -50%);
}

.color-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border-color, rgba(0,0,0,0.08));
  flex-shrink: 0;
}

.color-panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-first-text-color, #323739);
}

.color-panel-close {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--color-third-text-color, #999);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

.color-panel-close:hover {
  color: var(--color-first-text-color, #323739);
  background: var(--color-third-background-color, #f7f7f7);
}

.color-panel-body {
  padding: 12px 16px 16px;
  overflow-y: auto;
  flex: 1;
}

.color-section {
  margin-bottom: 16px;
}

.color-section:last-child {
  margin-bottom: 0;
}

.color-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-second-text-color, #555);
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.scheme-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.scheme-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 6px 4px;
  border-radius: 8px;
  transition: background 0.2s;
}

.scheme-item:hover {
  background: var(--color-third-background-color, #f7f7f7);
}

.scheme-item.active {
  background: var(--color-second-background-color, #fafafa);
}

.scheme-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: block;
  border: 2px solid transparent;
  transition: border-color 0.2s, transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.scheme-item.active .scheme-swatch {
  border-color: var(--color-primary, #1a73e8);
  transform: scale(1.1);
}

.scheme-item:hover .scheme-swatch {
  transform: scale(1.08);
}

.scheme-name {
  font-size: 10px;
  color: var(--color-third-text-color, #999);
  text-align: center;
  white-space: nowrap;
}

.scheme-item.active .scheme-name {
  color: var(--color-primary, #1a73e8);
  font-weight: 500;
}

.custom-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.custom-color-input {
  width: 36px;
  height: 36px;
  padding: 0;
  border: 2px solid var(--color-border-color, rgba(0,0,0,0.08));
  border-radius: 8px;
  cursor: pointer;
  background: none;
  flex-shrink: 0;
}

.custom-color-input::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.custom-color-input::-webkit-color-swatch {
  border: none;
  border-radius: 5px;
}

.custom-color-label {
  font-size: 13px;
  color: var(--color-second-text-color, #555);
  cursor: pointer;
}

.color-section-actions {
  padding-top: 8px;
  border-top: 1px solid var(--color-border-color, rgba(0,0,0,0.08));
}

.color-reset-btn {
  width: 100%;
  padding: 8px 16px;
  background: var(--color-third-background-color, #f7f7f7);
  color: var(--color-second-text-color, #555);
  border: 1px solid var(--color-border-color, rgba(0,0,0,0.08));
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.color-reset-btn:hover {
  background: var(--color-second-background-color, #fafafa);
  color: var(--color-first-text-color, #323739);
}

@media (max-width: 768px) {
  .color-customizer-panel {
    width: 220px;
    max-height: 70vh;
  }

  .scheme-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }

  .scheme-swatch {
    width: 24px;
    height: 24px;
  }
}