/**
 * 图片主色调提取工具样式
 * 独立于博客主题，仅作用于 #cp-app 容器。
 * 暗色模式适配 Chirpy 的 html[mode=dark] 属性 + 系统偏好。
 */

#cp-app {
  --cp-border: rgba(128, 128, 128, 0.35);
  --cp-border-strong: rgba(128, 128, 128, 0.55);
  --cp-bg: rgba(128, 128, 128, 0.07);
  --cp-bg-hover: rgba(128, 128, 128, 0.14);
  --cp-text: inherit;
  --cp-text-muted: rgba(128, 128, 128, 0.95);
  --cp-accent: #2f6fde;
  --cp-accent-text: #fff;
  --cp-ok: #1a7f4b;
  --cp-err: #c0392b;
  --cp-radius: 8px;
  --cp-mono: 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
  /* 语法高亮（GitHub Light 配色） */
  --cp-tok-comment: #6a737d;
  --cp-tok-string: #032f62;
  --cp-tok-hex: #005cc5;
  --cp-tok-number: #005cc5;
  --cp-tok-keyword: #d73a49;
  --cp-tok-type: #6f42c1;
  --cp-tok-var: #e36209;
}

html[mode='dark'] #cp-app {
  --cp-bg: rgba(255, 255, 255, 0.06);
  --cp-bg-hover: rgba(255, 255, 255, 0.12);
  --cp-text-muted: rgba(190, 190, 190, 0.95);
  --cp-accent: #5b8ff0;
  --cp-ok: #57c288;
  --cp-err: #e2735f;
  /* 语法高亮（GitHub Dark 配色） */
  --cp-tok-comment: #8b949e;
  --cp-tok-string: #a5d6ff;
  --cp-tok-hex: #79c0ff;
  --cp-tok-number: #79c0ff;
  --cp-tok-keyword: #ff7b72;
  --cp-tok-type: #d2a8ff;
  --cp-tok-var: #ffa657;
}

@media (prefers-color-scheme: dark) {
  html:not([mode='light']) #cp-app {
    --cp-bg: rgba(255, 255, 255, 0.06);
    --cp-bg-hover: rgba(255, 255, 255, 0.12);
    --cp-text-muted: rgba(190, 190, 190, 0.95);
    --cp-accent: #5b8ff0;
    --cp-ok: #57c288;
    --cp-err: #e2735f;
    --cp-tok-comment: #8b949e;
    --cp-tok-string: #a5d6ff;
    --cp-tok-hex: #79c0ff;
    --cp-tok-number: #79c0ff;
    --cp-tok-keyword: #ff7b72;
    --cp-tok-type: #d2a8ff;
    --cp-tok-var: #ffa657;
  }
}

/* hidden 属性兜底（flex/grid 父元素下可能失效） */
#cp-app [hidden] {
  display: none !important;
}

/* ---------- 顶部横幅与拖拽区 ---------- */

#cp-app .cp-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

#cp-app .cp-hint {
  color: var(--cp-text-muted);
}

#cp-app .cp-drop {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  padding: 1.2rem 1rem;
  border: 1px dashed var(--cp-border-strong);
  border-radius: var(--cp-radius);
  transition: border-color 0.15s ease, background 0.15s ease;
}

#cp-app .cp-drop.cp-drag {
  border-color: var(--cp-accent);
  background: var(--cp-bg-hover);
}

/* ---------- 工作区布局 ---------- */

#cp-app .cp-workarea {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 820px) {
  #cp-app .cp-workarea {
    grid-template-columns: 1fr 320px;
    align-items: start;
  }
  #cp-app .cp-full {
    grid-column: 1 / -1;
  }
}

/* ---------- 画布预览 ---------- */

#cp-app .cp-canvas-wrap {
  position: relative;
  border: 1px solid var(--cp-border);
  border-radius: var(--cp-radius);
  overflow: hidden;
  background: #fff;
}

#cp-app .cp-canvas {
  display: block;
  max-width: 100%;
  max-height: 500px;
  height: auto;
}

#cp-app .cp-img-info {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 0.75rem;
  font-family: var(--cp-mono);
  pointer-events: none;
}

/* ---------- 侧栏面板 ---------- */

#cp-app .cp-side {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

#cp-app .cp-panel {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--cp-border);
  border-radius: var(--cp-radius);
  background: var(--cp-bg);
}

#cp-app .cp-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

#cp-app .cp-setting {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

#cp-app .cp-label {
  font-size: 0.85rem;
  color: var(--cp-text-muted);
  margin: 0;
}

#cp-app .cp-select {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--cp-border-strong);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

#cp-app .cp-select:focus {
  outline: none;
  border-color: var(--cp-accent);
}

/* ---------- 按钮 ---------- */

#cp-app .cp-btn {
  padding: 0.4rem 1.1rem;
  border: 1px solid var(--cp-border-strong);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

#cp-app .cp-btn:hover:not(:disabled) { background: var(--cp-bg-hover); }
#cp-app .cp-btn:disabled { opacity: 0.45; cursor: not-allowed; }

#cp-app .cp-btn-primary {
  min-width: 6.5rem;
  font-weight: 500;
  border-color: var(--cp-accent);
  background: var(--cp-accent);
  color: var(--cp-accent-text);
}

#cp-app .cp-btn-primary:hover:not(:disabled) {
  opacity: 0.88;
}

#cp-app .cp-btn-primary:active {
  opacity: 0.75;
}

#cp-app .cp-btn-copy {
  flex: none;
  padding: 0.2rem 0.7rem;
  font-size: 0.82rem;
}

#cp-app .cp-btn-copy.cp-copied {
  color: var(--cp-ok);
  border-color: var(--cp-ok);
}

/* ---------- 加载指示器 ---------- */

#cp-app .cp-loading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
  color: var(--cp-text-muted);
}

#cp-app .cp-loading::before {
  content: '';
  flex: none;
  width: 14px;
  height: 14px;
  border: 2px solid var(--cp-border-strong);
  border-top-color: var(--cp-accent);
  border-radius: 50%;
  animation: cp-spin 0.8s linear infinite;
}

@keyframes cp-spin {
  to { transform: rotate(360deg); }
}

/* ---------- 调色板结果 ---------- */

#cp-app .cp-palette {
  display: flex;
  flex-direction: column;
}

#cp-app .cp-color-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem 0.8rem;
  padding: 0.7rem 0.9rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  transition: transform 0.15s ease;
}

#cp-app .cp-color-item:hover {
  transform: scale(1.01);
}

#cp-app .cp-color-tag {
  font-weight: 600;
  font-size: 0.85rem;
}

#cp-app .cp-color-hex {
  font-family: var(--cp-mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  user-select: all;
}

#cp-app .cp-color-rgb {
  font-size: 0.82rem;
  font-family: var(--cp-mono);
  opacity: 0.85;
}

#cp-app .cp-color-pct {
  margin-left: auto;
  font-size: 0.82rem;
  font-family: var(--cp-mono);
  opacity: 0.85;
}

#cp-app .cp-color-actions {
  display: flex;
  gap: 0.3rem;
  flex: none;
}

/* 按钮在彩色背景上的可见性 */
#cp-app .cp-light-bg .cp-btn-copy {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.2);
}

#cp-app .cp-dark-bg .cp-btn-copy {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
}

/* ---------- 代码生成 ---------- */

#cp-app .cp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--cp-border);
  margin-bottom: 0.5rem;
}

#cp-app .cp-tab {
  padding: 0.4rem 0.8rem;
  border: none;
  background: transparent;
  color: var(--cp-text-muted);
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

#cp-app .cp-tab:hover {
  color: var(--cp-text);
}

#cp-app .cp-tab-active {
  color: var(--cp-accent);
  border-bottom-color: var(--cp-accent);
  font-weight: 500;
}

#cp-app .cp-code-block {
  margin: 0 0 0.5rem 0;
  padding: 0.8rem;
  border: 1px solid var(--cp-border);
  border-radius: 6px;
  background: var(--cp-bg);
  overflow-x: auto;
  max-height: 360px;
}

#cp-app .cp-code-block code {
  font-family: var(--cp-mono);
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre;
  color: var(--cp-text);
}

#cp-app .cp-code-block-tall {
  max-height: 560px;
}

/* 语法高亮 token 样式 */
#cp-app .tok-c { color: var(--cp-tok-comment); font-style: italic; }
#cp-app .tok-s { color: var(--cp-tok-string); }
#cp-app .tok-h { color: var(--cp-tok-hex); font-weight: 600; }
#cp-app .tok-n { color: var(--cp-tok-number); }
#cp-app .tok-k { color: var(--cp-tok-keyword); font-weight: 500; }
#cp-app .tok-t { color: var(--cp-tok-type); }
#cp-app .tok-v { color: var(--cp-tok-var); }

/* ---------- 错误提示 ---------- */

#cp-app .cp-error {
  margin-top: 0.8rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--cp-err);
  border-radius: var(--cp-radius);
  color: var(--cp-err);
  font-size: 0.88rem;
}

/* ---------- 响应式 ---------- */

@media (max-width: 576px) {
  #cp-app .cp-color-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }
  #cp-app .cp-color-pct {
    margin-left: 0;
  }
  #cp-app .cp-color-actions {
    margin-left: auto;
  }
}