/* Material Design 3 - 主题系统 */
/* 主题切换过渡 */
.theme-transition * {
  transition: background-color var(--m3-motion-duration-long) var(--m3-motion-easing-standard),
              color var(--m3-motion-duration-long) var(--m3-motion-easing-standard),
              border-color var(--m3-motion-duration-long) var(--m3-motion-easing-standard),
              box-shadow var(--m3-motion-duration-long) var(--m3-motion-easing-standard);
}

/* 主题切换按钮 */
.m3-theme-toggle {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: var(--m3-shape-corner-full);
  background-color: var(--m3-sys-primary);
  color: var(--m3-sys-on-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--m3-motion-duration-medium) var(--m3-motion-easing-standard);
}

.m3-theme-toggle:hover {
  box-shadow: var(--m3-elevation-1);
  transform: scale(1.05);
}

.m3-theme-toggle:active {
  transform: scale(0.95);
}

/* 颜色选择器 */
.m3-color-picker {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--m3-shape-corner-full);
  cursor: pointer;
  background: var(--m3-sys-primary);
  transition: all var(--m3-motion-duration-medium) var(--m3-motion-easing-standard);
}

.m3-color-picker:hover {
  box-shadow: var(--m3-elevation-1);
  transform: scale(1.1);
}

/* 主题控制面板 */
.m3-theme-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 16px;
  background-color: var(--m3-sys-surface-container);
  border-radius: var(--m3-shape-corner-large);
  margin-bottom: 24px;
}

.m3-theme-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.m3-theme-preset {
  width: 32px;
  height: 32px;
  border-radius: var(--m3-shape-corner-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--m3-motion-duration-medium) var(--m3-motion-easing-standard);
}

.m3-theme-preset:hover {
  transform: scale(1.1);
  border-color: var(--m3-sys-outline);
}

.m3-theme-preset.active {
  border-color: var(--m3-sys-primary);
  box-shadow: var(--m3-elevation-1);
}

/* 主题状态指示器 */
.m3-theme-indicator {
  width: 12px;
  height: 12px;
  border-radius: var(--m3-shape-corner-full);
  background-color: var(--m3-sys-primary);
  display: inline-block;
  margin-right: 8px;
  transition: background-color var(--m3-motion-duration-medium) var(--m3-motion-easing-standard);
}

/* 壁纸提取器样式 */
.m3-color-extractor {
  background-color: var(--m3-sys-surface-container);
  border-radius: var(--m3-shape-corner-large);
  padding: 24px;
  margin-bottom: 24px;
}

.m3-extractor-header {
  margin-bottom: 20px;
}

.m3-extractor-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.m3-extractor-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.m3-image-preview {
  background-color: var(--m3-sys-surface);
  border-radius: var(--m3-shape-corner-medium);
  overflow: hidden;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.m3-placeholder {
  text-align: center;
  color: var(--m3-sys-on-surface-variant);
}

.m3-placeholder-icon {
  font-size: 48px;
  margin-bottom: 12px;
  display: block;
}

.m3-color-results {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.m3-color-palette {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.m3-color-item {
  height: 40px;
  border-radius: var(--m3-shape-corner-small);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 500;
  transition: transform var(--m3-motion-duration-medium) var(--m3-motion-easing-standard);
}

.m3-color-item:hover {
  transform: scale(1.05);
  box-shadow: var(--m3-elevation-1);
}

.m3-color-primary {
  border: 2px solid var(--m3-sys-primary);
}

.m3-color-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background-color: var(--m3-sys-primary);
  color: var(--m3-sys-on-primary);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--m3-shape-corner-full);
}

.m3-scheme-preview {
  background-color: var(--m3-sys-surface);
  border-radius: var(--m3-shape-corner-medium);
  padding: 20px;
}

.m3-scheme-section {
  margin-bottom: 20px;
}

.m3-scheme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.m3-scheme-color {
  padding: 8px;
  border-radius: var(--m3-shape-corner-small);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.m3-scheme-name {
  font-weight: 500;
}

.m3-scheme-value {
  font-family: monospace;
  font-size: 10px;
  opacity: 0.8;
}

.m3-scheme-info {
  background-color: var(--m3-sys-surface-container);
  border-radius: var(--m3-shape-corner-medium);
  padding: 16px;
  margin-top: 20px;
}

.m3-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.m3-info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--m3-sys-outline-variant);
}

.m3-info-label {
  font-weight: 500;
  color: var(--m3-sys-on-surface-variant);
}

.m3-info-value {
  font-weight: 500;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .m3-extractor-preview {
    grid-template-columns: 1fr;
  }
  
  .m3-scheme-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
  
  .m3-info-grid {
    grid-template-columns: 1fr;
  }
}