/**
 * Huashu Design Theme for PixelPals Workbench
 * 
 * 核心理念：
 * - 品牌资产优先：使用真实 logo 和品牌色
 * - 反 AI slop：无紫渐变、无 emoji 图标、无圆角+左 border
 * - 精致排版：CSS Grid、oklch 色彩、text-wrap: pretty
 * - 克制设计：留白、减少装饰、聚焦核心功能
 */

/* ========== 品牌色板（从 PixelPals wordmark 提取）========== */
:root {
  /* 品牌主色 - 从 logo 提取 */
  --pp-red: oklch(0.58 0.22 25);        /* #ED1D24 */
  --pp-blue: oklch(0.58 0.18 250);      /* #247DF6 */
  --pp-green: oklch(0.65 0.18 155);     /* #00B159 */
  --pp-yellow: oklch(0.78 0.15 75);     /* #FAB20A */
  
  /* 中性色 - 专业克制 */
  --pp-ink: oklch(0.25 0 0);            /* 深墨 */
  --pp-ink-light: oklch(0.45 0 0);      /* 中灰 */
  --pp-ink-lighter: oklch(0.65 0 0);    /* 浅灰 */
  --pp-paper: oklch(0.98 0 0);          /* 米白 */
  --pp-paper-dark: oklch(0.95 0 0);     /* 浅灰背景 */
  
  /* 功能色 */
  --pp-success: oklch(0.65 0.15 155);
  --pp-warning: oklch(0.75 0.12 75);
  --pp-error: oklch(0.58 0.20 25);
  
  /* 间距系统 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* 圆角 - 统一 8px */
  --radius: 8px;
  
  /* 字体 */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
}

/* ========== 基础重置 ========== */
.huashu-theme {
  background-color: var(--pp-paper);
  color: var(--pp-ink);
  font-family: var(--font-sans);
  line-height: 1.6;
}

.huashu-theme * {
  box-sizing: border-box;
}

/* ========== 排版 ========== */
.huashu-theme h1,
.huashu-theme h2,
.huashu-theme h3,
.huashu-theme h4 {
  font-weight: 600;
  line-height: 1.3;
  text-wrap: pretty;
  color: var(--pp-ink);
}

.huashu-theme p {
  text-wrap: pretty;
}

/* ========== 三列等分布局 ========== */
.huashu-theme .flex-1.flex.overflow-hidden {
  display: grid !important;
  grid-template-columns: 1fr 1fr 1fr !important;
  gap: 0;
}

.huashu-theme #wkCenterScroll {
  background-color: var(--pp-paper);
  padding: var(--space-lg);
  border-right: 1px solid oklch(0.92 0 0);
  overflow-y: auto;
}

.huashu-theme #mainCol {
  max-width: none;
  margin: 0;
}

/* 批量复刻中间列 */
.huashu-theme #batchClonePanel {
  background-color: var(--pp-paper);
  padding: var(--space-lg);
  border-right: 1px solid oklch(0.92 0 0);
  overflow-y: auto;
}

/* 右侧画廊列 */
.huashu-theme #wkTaskAside {
  background-color: var(--pp-paper);
  padding: var(--space-lg);
  overflow-y: auto;
  width: auto;
  border-left: none;
}

/* ========== 顶栏 - 品牌展示区（120% 细节）========== */
.huashu-theme .wk-pc-header {
  background: linear-gradient(135deg, 
    var(--pp-paper) 0%, 
    var(--pp-paper-dark) 100%) !important;
  border-bottom: 1px solid oklch(0.90 0 0) !important;
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
}

.huashu-theme .wk-pc-header-brand img.wk-wordmark {
  height: 32px;
  width: auto;
  filter: none !important; /* 保留彩色 logo */
  opacity: 1 !important;
}

.huashu-theme .wk-pc-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 13px;
  color: var(--pp-ink-light);
}

.huashu-theme .wk-pc-header-actions button,
.huashu-theme .wk-pc-header-actions a {
  color: var(--pp-ink-light) !important;
  transition: color 0.2s;
}

.huashu-theme .wk-pc-header-actions button:hover,
.huashu-theme .wk-pc-header-actions a:hover {
  color: var(--pp-blue) !important;
}

/* 顶栏深色变体：替代散落在 workbench.html 顶栏的多处行内 !important */
.huashu-theme .wk-pc-header.wk-pc-header-dark {
  background: linear-gradient(135deg, #3A3A3A 0%, #1A1A1A 100%) !important;
  border-bottom-color: rgba(255, 255, 255, 0.1) !important;
}

.huashu-theme .wk-pc-header.wk-pc-header-dark .wk-pc-header-brand a,
.huashu-theme .wk-pc-header.wk-pc-header-dark .wk-pc-header-actions,
.huashu-theme .wk-pc-header.wk-pc-header-dark .wk-pc-header-actions button,
.huashu-theme .wk-pc-header.wk-pc-header-dark .wk-pc-header-actions a,
.huashu-theme .wk-pc-header.wk-pc-header-dark .wk-pc-header-actions span {
  color: #FFFFFF !important;
}

.huashu-theme .wk-pc-header.wk-pc-header-dark .wk-pc-header-brand img.wk-wordmark {
  filter: brightness(0) invert(1) !important;
}

/* 自定义下拉触发器 .wk-select-trigger 已替代原生 select；隐藏原生 select 防止穿帮 */
.huashu-theme .wk-select-native {
  display: none !important;
}

/* 下拉面板默认收起；JS 在打开时加 .is-open 类 */
.huashu-theme .wk-select-dropdown {
  display: none;
}
.huashu-theme .wk-select-dropdown.is-open {
  display: block;
}

/* ========== 卡片容器 - 克制设计 ========== */
.huashu-theme .max-w-3xl > .mb-6,
.huashu-theme .max-w-3xl > .mb-4 {
  background-color: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  margin-bottom: var(--space-lg);
}

/* ========== 区块标题 ========== */
.huashu-theme .inspire-head,
.huashu-theme .gal-head {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid oklch(0.92 0 0);
}

.huashu-theme .inspire-title,
.huashu-theme .gal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--pp-ink);
  letter-spacing: -0.01em;
}

/* ========== 比例选择器 - Grid 布局 ========== */
.huashu-theme .wk-aspect-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.huashu-theme .wk-aspect-btn {
  background-color: var(--pp-paper-dark);
  border: 1px solid oklch(0.90 0 0);
  color: var(--pp-ink-light);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-sm);
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.huashu-theme .wk-aspect-btn:hover {
  background-color: var(--pp-paper);
  border-color: var(--pp-blue);
  color: var(--pp-ink);
}

.huashu-theme .wk-aspect-btn.wk-aspect-active {
  background-color: var(--pp-blue);
  border-color: var(--pp-blue);
  color: white;
  font-weight: 600;
}

.huashu-theme .wk-res-sub {
  font-size: 11px;
  opacity: 0.7;
  margin-top: 2px;
}

/* ========== 参数网格 ========== */
.huashu-theme #wkParamsGrid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.huashu-theme .wk-param-label--pc-hidden {
  display: none;
}

.huashu-theme .wk-res-row,
.huashu-theme .wk-count-row {
  display: flex;
  gap: var(--space-sm);
}

.huashu-theme .wk-res-btn {
  flex: 1;
  background-color: var(--pp-paper-dark);
  border: 1px solid oklch(0.90 0 0);
  color: var(--pp-ink-light);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-sm);
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.huashu-theme .wk-res-btn:hover:not(.is-disabled) {
  background-color: var(--pp-paper);
  border-color: var(--pp-blue);
  color: var(--pp-ink);
}

.huashu-theme .wk-res-btn.wk-res-active {
  background-color: var(--pp-blue);
  border-color: var(--pp-blue);
  color: white;
  font-weight: 600;
}

.huashu-theme .wk-res-btn.is-disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ========== 参考图上传 - 诚实 placeholder ========== */
.huashu-theme .wk-ref-dashed-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.huashu-theme .slot {
  background-color: var(--pp-paper-dark);
  border: 2px dashed oklch(0.85 0 0);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.huashu-theme .slot:hover {
  border-color: var(--pp-blue);
  background-color: var(--pp-paper);
}

.huashu-theme .wk-ref-dash-lbl {
  font-size: 12px;
  color: var(--pp-ink-lighter);
  font-weight: 500;
}

.huashu-theme .wk-ref-paste {
  font-size: 11px;
  color: var(--pp-blue);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background-color 0.15s;
}

.huashu-theme .wk-ref-paste:hover {
  background-color: oklch(0.92 0 0);
}

/* ========== 提示词输入 ========== */
.huashu-theme .wk-prompt-block {
  margin-bottom: var(--space-lg);
}

.huashu-theme #prompt {
  width: 100%;
  background-color: var(--pp-paper-dark);
  border: 1px solid oklch(0.90 0 0);
  border-radius: var(--radius);
  padding: var(--space-md);
  font-size: 15px;
  line-height: 1.6;
  color: var(--pp-ink);
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.huashu-theme #prompt:focus {
  outline: none;
  border-color: var(--pp-blue);
  background-color: var(--pp-paper);
}

.huashu-theme #prompt::placeholder {
  color: var(--pp-ink-lighter);
}

/* ========== 负面提示词 ========== */
.huashu-theme .wk-negative-prompt {
  width: 100%;
  background-color: var(--pp-paper-dark);
  border: 1px solid oklch(0.90 0 0);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  font-size: 12px;
  line-height: 1.5;
  color: var(--pp-ink-light);
  resize: vertical;
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.huashu-theme .wk-negative-prompt:focus {
  outline: none;
  border-color: var(--pp-blue);
  background-color: var(--pp-paper);
}

/* ========== 主按钮 - 品牌蓝 ========== */
.huashu-theme #genBtn,
.huashu-theme .btn {
  background-color: var(--pp-blue);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-lg);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
}

.huashu-theme #genBtn:hover:not(:disabled),
.huashu-theme .btn:hover:not(:disabled) {
  background-color: oklch(0.62 0.18 250);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px oklch(0.58 0.18 250 / 0.25);
}

.huashu-theme #genBtn:active:not(:disabled),
.huashu-theme .btn:active:not(:disabled) {
  transform: translateY(0);
}

.huashu-theme button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ========== 优化按钮 ========== */
.huashu-theme #optBtn {
  background: none;
  border: 1px solid oklch(0.90 0 0);
  color: var(--pp-ink-light);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.huashu-theme #optBtn:hover {
  border-color: var(--pp-blue);
  color: var(--pp-blue);
  background-color: oklch(0.58 0.18 250 / 0.05);
}

/* ========== 画廊（右侧列）========== */
.huashu-theme .gal-section {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.huashu-theme .gal-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid oklch(0.92 0 0);
}

.huashu-theme .gal-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--pp-ink-light);
  padding: var(--space-sm) var(--space-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  margin-bottom: -1px;
  flex: 1;
  text-align: center;
}

.huashu-theme .gal-tab:hover {
  color: var(--pp-ink);
}

.huashu-theme .gal-tab.on {
  color: var(--pp-blue);
  border-bottom-color: var(--pp-blue);
  font-weight: 600;
}

.huashu-theme .gal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.huashu-theme .gal-cell {
  background-color: var(--pp-paper-dark);
  border: 1px solid oklch(0.92 0 0);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  transition: all 0.15s ease;
}

.huashu-theme .gal-cell:hover {
  border-color: var(--pp-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px oklch(0 0 0 / 0.08);
}

.huashu-theme .gal-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.huashu-theme .gal-empty {
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
  color: var(--pp-ink-lighter);
  font-size: 13px;
}

/* ========== 模板卡片 ========== */
.huashu-theme .inspire-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.huashu-theme .inspire-card {
  background-color: var(--pp-paper-dark);
  border: 1px solid oklch(0.92 0 0);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.15s ease;
}

.huashu-theme .inspire-card:hover {
  border-color: var(--pp-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px oklch(0 0 0 / 0.08);
}

.huashu-theme .inspire-card.on {
  border-color: var(--pp-blue);
  box-shadow: 0 0 0 2px oklch(0.58 0.18 250 / 0.15);
}

.huashu-theme .inspire-cover {
  aspect-ratio: 1;
  background-color: oklch(0.96 0 0);
  overflow: hidden;
}

.huashu-theme .inspire-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.huashu-theme .inspire-name {
  padding: var(--space-sm) var(--space-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--pp-ink);
}

/* ========== 模板横幅 ========== */
.huashu-theme .tpl-banner {
  background-color: oklch(0.58 0.18 250 / 0.08);
  border: 1px solid oklch(0.58 0.18 250 / 0.2);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.huashu-theme .tpl-banner-thumb {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  object-fit: cover;
}

.huashu-theme .tpl-banner-text {
  flex: 1;
  font-size: 13px;
  color: var(--pp-ink);
  line-height: 1.5;
}

.huashu-theme .tpl-banner-x {
  color: var(--pp-ink-light);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 4px 8px;
  transition: color 0.15s;
}

.huashu-theme .tpl-banner-x:hover {
  color: var(--pp-ink);
}

/* ========== 状态栏 ========== */
.huashu-theme #stBar {
  background-color: oklch(0.58 0.18 250 / 0.08);
  border: 1px solid oklch(0.58 0.18 250 / 0.2);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-top: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.huashu-theme #stTxt {
  font-size: 13px;
  color: var(--pp-blue);
}

.huashu-theme #errBar {
  background-color: oklch(0.58 0.20 25 / 0.08);
  border: 1px solid oklch(0.58 0.20 25 / 0.2);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.huashu-theme #errTxt {
  font-size: 13px;
  color: var(--pp-error);
}

/* ========== 左侧导航 ========== */
.huashu-theme #wkRailNav {
  background-color: var(--pp-paper);
  border-right: 1px solid oklch(0.92 0 0);
}

.huashu-theme #wkRailNav a {
  transition: all 0.15s ease;
}

.huashu-theme #wkRailNav a:hover {
  background-color: var(--pp-paper-dark);
}

/* ========== 右侧任务栏 ========== */
.huashu-theme #wkTaskAside {
  background-color: var(--pp-paper);
  border-left: 1px solid oklch(0.92 0 0);
}

.huashu-theme .wk-rail-gal-tab {
  font-size: 11px;
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid oklch(0.92 0 0);
  background-color: var(--pp-paper);
  color: var(--pp-ink-light);
  cursor: pointer;
  transition: all 0.15s ease;
}

.huashu-theme .wk-rail-gal-tab:hover {
  border-color: var(--pp-blue);
  color: var(--pp-ink);
}

.huashu-theme .wk-rail-gal-tab.on {
  background-color: var(--pp-blue);
  border-color: var(--pp-blue);
  color: white;
  font-weight: 600;
}

/* ========== 列标题 ========== */
.huashu-theme .wk-column-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--pp-ink);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--pp-blue);
  letter-spacing: -0.01em;
}

/* ========== 批量复刻样式 ========== */
.huashu-theme .batch-upload-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.huashu-theme .batch-upload-slot {
  aspect-ratio: 1;
  background-color: var(--pp-paper-dark);
  border: 2px dashed oklch(0.85 0 0);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 13px;
  color: var(--pp-ink-lighter);
  font-weight: 500;
}

.huashu-theme .batch-upload-slot:hover {
  border-color: var(--pp-blue);
  background-color: var(--pp-paper);
  color: var(--pp-blue);
}

.huashu-theme .batch-single-upload {
  aspect-ratio: 2.5;
  background-color: var(--pp-paper-dark);
  border: 2px dashed oklch(0.85 0 0);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  padding: var(--space-md);
}

.huashu-theme .batch-single-upload:hover {
  border-color: var(--pp-blue);
  background-color: var(--pp-paper);
}

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .huashu-theme .flex-1.flex.overflow-hidden {
    grid-template-columns: 1fr 1fr;
  }
  
  .huashu-theme #batchClonePanel {
    display: none;
  }
}

@media (max-width: 1024px) {
  .huashu-theme .flex-1.flex.overflow-hidden {
    grid-template-columns: 1fr;
  }
  
  .huashu-theme #wkTaskAside {
    display: none;
  }
  
  .huashu-theme .inspire-strip {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
}

@media (max-width: 767px) {
  .huashu-theme #wkCenterScroll {
    padding: var(--space-md);
  }
  
  .huashu-theme #wkParamsGrid {
    grid-template-columns: 1fr;
  }
  
  .huashu-theme .wk-aspect-row {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .huashu-theme .wk-ref-dashed-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========== 滚动条 ========== */
.huashu-theme ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.huashu-theme ::-webkit-scrollbar-track {
  background: var(--pp-paper);
}

.huashu-theme ::-webkit-scrollbar-thumb {
  background: oklch(0.85 0 0);
  border-radius: 4px;
}

.huashu-theme ::-webkit-scrollbar-thumb:hover {
  background: oklch(0.75 0 0);
}

/* ========== 选中文本 ========== */
.huashu-theme ::selection {
  background-color: oklch(0.58 0.18 250 / 0.2);
  color: var(--pp-ink);
}

/* ========== Focus 可见性 ========== */
.huashu-theme *:focus-visible {
  outline: 2px solid var(--pp-blue);
  outline-offset: 2px;
}