/* ========================================
   MBH Quotation - Modern Minimal Design
   现代简约精致的报价系统界面
   ======================================== */

/* ===== 设计理念 =====
   - 视觉风格：现代简约、精致优雅
   - 配色方案：柔白色背景 + 深灰文字 + 优雅蓝作为点缀
   - 字体：Inter + 细体无衬线
   - 动画：轻盈流畅、自然过渡
   - 特点：大量留白、细腻边框、柔和阴影
*/

/* ===== CSS变量定义 ===== */
:root {
  /* 主色调 - 简洁白色 */
  --bg-primary: #ffffff;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f5f5f5;
  --bg-hover: #f0f0f0;
  --color-bg-primary: var(--bg-primary);
  --color-bg-secondary: var(--bg-secondary);
  --color-bg-tertiary: var(--bg-tertiary);
  --color-bg-hover: var(--bg-hover);

  /* 强调色 - 蓝色 */
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-light: #eff6ff;

  /* 成功/警告/危险色 */
  --color-success: #34c759;
  --color-success-bg: #e8f9ed;
  --color-warning: #ff9500;
  --color-warning-bg: #fff6e6;
  --color-danger: #ff3b30;
  --color-danger-bg: #feebe9;

  /* 文字颜色 */
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #a1a1a6;
  --color-text-primary: var(--text-primary);
  --color-text-secondary: var(--text-secondary);
  --color-text-tertiary: var(--text-tertiary);

  /* 边框和分隔 */
  --border-color: #e5e5e7;
  --border-light: #f0f0f2;
  --color-border: var(--border-color);
  --color-border-light: var(--border-light);

  /* 阴影 */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);

  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  /* 兼容旧CSS变量名 */
  --accent-blue: #3b82f6;
  --accent-red: #ff3b30;
  --accent-green: #34c759;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-light: rgba(59, 130, 246, 0.15);
}

/* ===== 深色主题 ===== */
.theme-dark {
  --color-bg-primary: #000000;
  --color-bg-secondary: #1c1c1e;
  --color-bg-tertiary: #2c2c2e;
  --color-bg-hover: #3a3a3c;

  --color-accent: #3b82f6;
  --color-accent-hover: #60a5fa;
  --color-accent-light: rgba(59, 130, 246, 0.15);

  --color-success-bg: rgba(48, 209, 88, 0.15);
  --color-warning-bg: rgba(255, 159, 10, 0.15);
  --color-danger-bg: rgba(255, 69, 58, 0.25);
  --color-danger: #ff453a;

  --color-text-primary: #ffffff;
  --color-text-secondary: #8e8e93;
  --color-text-tertiary: #6e6e73;

  --color-border: #38383a;
  --color-border-light: #2c2c2e;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);

  /* 深色主题兼容变量 */
  --accent-blue: #0a84ff;
  --accent-red: #ff453a;
  --accent-green: #30d158;
  --bg-primary: #000000;
  --bg-secondary: #1c1c1e;
  --bg-tertiary: #2c2c2e;
  --text-primary: #ffffff;
  --text-secondary: #8e8e93;
  --border-color: #38383a;
  --border-light: #2c2c2e;
}

/* ===== 护眼主题 ===== */
.theme-eye-care {
  --color-bg-primary: #f8f6f3;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f0ede8;
  --color-bg-hover: #e8e4dc;

  --color-accent: #7c6f5a;
  --color-accent-hover: #5d5646;
  --color-accent-light: rgba(124, 111, 90, 0.1);

  --color-success-bg: rgba(120, 160, 90, 0.12);
  --color-warning-bg: rgba(200, 160, 90, 0.12);
  --color-danger-bg: rgba(190, 100, 90, 0.12);

  --color-text-primary: #3d3d3d;
  --color-text-secondary: #6b6b6b;
  --color-text-tertiary: #9a9a9a;

  --color-border: #ddd8d0;
  --color-border-light: #eee9e1;

  /* 护眼主题兼容变量 */
  --accent-blue: #7c6f5a;
  --accent-red: #b85450;
  --accent-green: #7c6f5a;
  --bg-primary: #f8f6f3;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f0ede8;
  --text-primary: #3d3d3d;
  --text-secondary: #6b6b6b;
  --border-color: #ddd8d0;
  --border-light: #eee9e1;
}

/* ===== 2026 新年主题 - 中国风 ===== */
.theme-christmas,
.theme-christmas.golden {
  --bg-primary: linear-gradient(135deg, #8B0000 0%, #B22222 50%, #CD5C5C 100%);
  --bg-secondary: #FFF5EE;
  --bg-tertiary: #FFFAF0;
  --bg-hover: #DEB887;

  --accent-blue: #B8860B;
  --accent-red: #B22222;
  --accent-green: #2E8B57;

  --color-accent: #B8860B;
  --color-accent-hover: #DAA520;
  --color-accent-light: rgba(184, 134, 11, 0.1);

  --color-success-bg: rgba(46, 139, 87, 0.1);
  --color-warning-bg: rgba(184, 134, 11, 0.1);
  --color-danger-bg: rgba(178, 34, 34, 0.1);

  --text-primary: #3D2914;
  --text-secondary: #5D3A1A;
  --text-tertiary: #8B4513;

  --border-color: #DEB887;
  --border-light: #D2B48C;
}

/* 2026新年主题背景样式 */
.theme-christmas {
  background:
    radial-gradient(ellipse at top, rgba(139, 0, 0, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(255, 215, 0, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 30% 70%, rgba(255, 99, 71, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 70% 30%, rgba(255, 215, 0, 0.08) 0%, transparent 40%),
    linear-gradient(135deg, #8B0000 0%, #B22222 25%, #DC143C 50%, #8B0000 75%, #2D0A0A 100%);
  background-size: 100% 100%;
}

/* 酷炫2026大标题 - 左下角连体字体 */
.year-2026-title {
  position: fixed;
  bottom: 30px;
  left: 80px;
  font-family: 'Great Vibes', 'Playball', 'Yellowtail', cursive;
  font-size: 180px;
  font-weight: 400;
  color: transparent;
  background: linear-gradient(180deg,
    #FFD700 0%,
    #FFA500 30%,
    #FF6347 60%,
    #DC143C 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow:
    0 0 40px rgba(255, 215, 0, 0.9),
    0 0 80px rgba(255, 165, 0, 0.7),
    6px 6px 12px rgba(139, 0, 0, 0.5);
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
  transform: rotate(-8deg);
  transform-origin: left bottom;
  line-height: 0.85;
  letter-spacing: -8px;
}

/* ===== 基础重置 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* 页面加载动画 */
body.loading .container {
  opacity: 0;
  transform: translateY(10px);
}

body:not(.loading) .container {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ===== 提成计算器导航按钮 ===== */
.commission-selector {
  position: fixed;
  top: 20px;
  right: 330px;
  z-index: 9999;
  display: flex;
  gap: 6px;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ===== 主题/语言选择器 ===== */
.theme-selector {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  gap: 6px;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.language-selector {
  position: fixed;
  top: 20px;
  right: 180px;
  z-index: 9999;
  display: flex;
  gap: 6px;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* 向下滚动时隐藏 */
body.is-scrolling-down .commission-selector,
body.is-scrolling-down .language-selector,
body.is-scrolling-down .theme-selector {
  transform: translateY(-100px);
  opacity: 0;
}

@media (max-width: 640px) {
  .commission-selector {
    top: 10px;
    right: 230px;
    transform: scale(0.85);
  }
  .language-selector {
    top: 10px;
    right: 130px;
    transform: scale(0.85);
  }
  .theme-selector {
    top: 10px;
    right: 10px;
    transform: scale(0.85);
  }
  body.is-scrolling-down .commission-selector,
  body.is-scrolling-down .language-selector,
  body.is-scrolling-down .theme-selector {
    transform: translateY(-80px) scale(0.85);
  }
}

.lang-btn {
  padding: 6px 12px;
  border: none;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.lang-btn.active {
  background: var(--color-accent);
  color: white;
}

.theme-btn {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-btn:hover {
  transform: scale(1.1);
}

.theme-btn.active {
  box-shadow: 0 0 0 2px var(--bg-secondary), 0 0 0 4px var(--color-accent);
}

.theme-btn .preview {
  width: 100%;
  height: 100%;
}

.theme-btn.theme-light .preview {
  background: linear-gradient(135deg, #f5f5f7 0%, #ffffff 100%);
}

.theme-btn.theme-eye-care .preview {
  background: linear-gradient(135deg, #f4f1e8 0%, #fffaf3 100%);
}

.theme-btn.theme-dark .preview {
  background: linear-gradient(135deg, #1c1c1e 0%, #2c2c2e 100%);
}

.theme-btn.theme-christmas .preview {
  background: linear-gradient(135deg, #8B0000 0%, #B8860B 50%, #B22222 100%);
}

.theme-btn.theme-christmas .preview.text {
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Microsoft YaHei', 'SimSun', serif;
  font-size: 14px;
  font-weight: bold;
  color: #FFD700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* ===== 主容器 ===== */
.container {
  max-width: 680px;
  margin: 80px auto 60px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transition: background-color var(--transition-normal);
}

@media (max-width: 640px) {
  .container {
    margin: 60px 16px 280px;
    padding: 24px 20px;
  }
}

/* ===== 标题 ===== */
h2 {
  text-align: center;
  margin: 0 0 var(--spacing-xl) 0;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* ===== 搜索区域 ===== */
#section-search {
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.search-wrapper {
  position: relative;
}

#modelSearch {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  padding-left: 44px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: 15px;
  transition: all var(--transition-fast);
}

#modelSearch:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

#modelSearch::placeholder {
  color: var(--text-tertiary);
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

/* ===== 系列/分类区域 ===== */
.series-section {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.btn-category {
  padding: 6px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-category:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-category.active {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
}

#seriesButtons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 6px;
}

.series-section {
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
}

.btn-series {
  position: relative;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  height: 36px;
  display: flex;
  align-items: center;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  justify-content: center;
  line-height: 1.2;
}

.btn-series:hover {
  border-color: var(--accent-blue);
  background: var(--accent-blue);
  color: white;
}

.btn-series.active {
  background: var(--accent-blue) !important;
  border-color: var(--accent-blue) !important;
  color: white !important;
}

.btn-series .count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 14px;
  height: 14px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  font-size: 9px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  border: 1px solid var(--bg-secondary);
}

.btn-series.active .count {
  background: rgba(255, 255, 255, 0.3);
}

/* ===== 系列详情展开 ===== */
.series-detail {
  margin-top: var(--spacing-lg);
  padding: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  animation: slideDown 0.2s ease;
}

.series-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  margin-bottom: 8px;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.series-detail h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-primary);
}

.model-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(70px, 1fr));
  gap: 4px;
  width: 100%;
  align-items: stretch;
}

.model-btn {
  position: relative;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  height: 42px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  box-sizing: border-box;
}

.model-btn .model-code {
  font-weight: 600;
  display: block;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  line-height: 1.2;
  text-align: center;
  width: 100%;
}

.model-btn .model-name {
  display: block;
  text-align: center;
  width: 100%;
}

.model-btn:hover {
  border-color: var(--color-accent) !important;
  background: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
}

.model-btn:hover,
.model-btn.selected:hover {
  height: 42px;
  white-space: normal;
}

.model-btn:hover {
  background: var(--bg-tertiary) !important;
}

.model-btn.selected:hover {
  background: var(--color-accent) !important;
  filter: brightness(1.1);
}

.model-btn.selected {
  background: var(--color-accent) !important;
  border-color: var(--color-accent) !important;
  color: white !important;
}

.model-btn .model-code {
  font-weight: 500;
  margin-bottom: 2px;
  display: block;
}

.model-btn .model-name {
  color: #777777;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-btn.selected .model-name {
  color: rgba(255, 255, 255, 0.8);
}

.all-btn {
  padding: 8px 12px;
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  grid-column: 1 / -1;
  box-sizing: border-box;
  text-align: center;
  display: block;
  margin-top: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.all-btn:hover {
  background: var(--color-accent);
  color: white;
}

.all-btn.selected {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.all-btn.selected:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

/* ===== 表单/输入区域 ===== */
.form-section {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-section h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-primary);
}

.selected-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.selected-count {
  font-size: 13px;
  color: var(--text-secondary);
}

.btn-delete-all {
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-delete-all:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: var(--color-danger-bg);
}

/* ===== 产品行列表 ===== */
#rows {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.row {
  display: grid;
  grid-template-columns: 24px 28px 1fr 70px 36px 36px;
  grid-template-rows: auto;
  gap: var(--spacing-md);
  align-items: flex-end;
  padding: 12px var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.row:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.row.dragging {
  opacity: 0.6;
  transform: scale(1.01);
}

.drag-handle {
  cursor: grab;
  color: var(--text-tertiary);
  font-size: 14px;
  text-align: center;
  transition: color var(--transition-fast);
  align-self: center;
}

.drag-handle:active {
  cursor: grabbing;
  color: var(--color-accent);
}

.item-preview {
  width: 28px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-size: 12px;
  color: var(--text-tertiary);
  align-self: center;
}

.item-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.model-name-display {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
  max-width: 100%;
  min-height: 16px;
}

.qty-label-display {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.model-input-wrapper,
.qty-input-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.model-input {
  width: 100%;
  min-width: 0;
  padding: 6px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  text-align: center;
  transition: all var(--transition-fast);
}

.model-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.item-actions {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.btn-preview,
.btn-success,
.btn-danger {
  width: 32px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: transparent;
}

.btn-preview:hover {
  color: var(--color-accent);
}

.btn-success:hover {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.btn-danger:hover {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.btn-pagination {
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-pagination:hover:not(:disabled) {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-pagination:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-info {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-tertiary);
}

.empty-state .icon {
  font-size: 32px;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

/* ===== 摘要区域 ===== */
.summary {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.summary h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-primary);
}

.summary p {
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== 按钮组 ===== */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

@media (max-width: 640px) {
  .btn-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

.btn {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-secondary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-success {
  background: transparent;
  color: var(--text-tertiary);
}

.btn-success:hover {
  background: var(--color-success);
  color: white;
}

/* ===== 点击下载按钮 ===== */
.btn-download {
  background: var(--color-success) !important;
  color: white !important;
}

.btn-download:hover {
  filter: brightness(0.9);
}

/* ===== 加载状态 ===== */
.loading {
  text-align: center;
  padding: var(--spacing-lg);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-color);
  border-top-color: var(--color-accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--spacing-sm);
}

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

/* Font Awesome 旋转图标 */
.fa-spin {
  animation: fa-spin 1s infinite linear;
}

@keyframes fa-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 同步按钮旋转图标 */
.spin-icon {
  display: inline-block;
  animation: spin-icon-rotate 0.8s linear infinite;
}

@keyframes spin-icon-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

/* ===== 消息提示 ===== */
.success-message,
.error-message {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 14px;
  margin-top: var(--spacing-lg);
  display: none;
  line-height: 1.6;
}

.success-message {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.error-message {
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}

/* ===== 固定预览区域 ===== */
#fixedPreviewArea {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: none;
}

@media (max-width: 720px) {
  #fixedPreviewArea {
    display: none;
  }
}

.preview-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  width: 280px;
}

.preview-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.preview-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.preview-image-container {
  aspect-ratio: 4/3;
  background: var(--bg-secondary); /* 与卡片背景一致 */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.preview-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.preview-placeholder {
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.preview-placeholder .icon {
  font-size: 40px;
  opacity: 0.4;
}

.preview-info {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.preview-model {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.preview-name-text {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== 快速导航 ===== */
.quick-nav {
  position: fixed;
  top: 50%;
  /* 容器680px居中，右侧保持20px间距 */
  right: calc(50% - 340px - 20px);
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (max-width: 1024px) {
  .quick-nav {
    display: none;
  }
}

/* 当容器达到最大宽度680px时才显示在正确位置 */
@media (min-width: 721px) {
  .quick-nav {
    right: calc(50% - 340px - 66px);
  }
}

/* 小屏幕下隐藏导航栏 */
@media (max-width: 720px) {
  .quick-nav {
    display: none;
  }
}

.quick-nav-item {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.quick-nav-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.quick-nav-item .icon {
  font-size: 18px;
}

.quick-nav-item .label {
  display: none !important;
}

.quick-nav-item.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

.quick-nav-item.active .label {
  color: rgba(255, 255, 255, 0.8);
}

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 420px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal-icon {
  font-size: 40px;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-warning);
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-primary);
}

.modal-message {
  font-size: 14px;
  text-align: center;
  margin: 0 0 var(--spacing-lg) 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.modal-btn {
  padding: 8px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  min-width: 80px;
}

.modal-btn-cancel {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.modal-btn-cancel:hover {
  background: var(--bg-hover);
}

.modal-btn-confirm {
  background: var(--color-danger);
  color: white;
}

.modal-btn-confirm:hover {
  background: #d73027;
}

/* ===== 移动端图片预览（容器内居中） ===== */
@media (max-width: 720px) {
  #imagePreviewModal {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: transparent !important;
    z-index: 1000 !important;
    display: none !important;
  }

  #imagePreviewModal.show {
    display: block !important;
  }

  #imagePreviewModal .modal {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    width: calc(100% - 20px) !important;
    max-width: calc(100% - 20px) !important;
    margin: 10px auto !important;
    padding: 12px !important;
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
  }

  #imagePreviewModal .modal-title {
    font-size: 14px !important;
    text-align: center !important;
  }

  #imagePreviewModal .preview-image-container {
    text-align: center !important;
    padding: 8px 0 !important;
  }

  #imagePreviewModal #previewImage {
    max-width: 100% !important;
    max-height: 40vh !important;
    width: auto !important;
  }

  #imagePreviewModal .modal-buttons {
    justify-content: center !important;
  }
}

/* ===== 动画增强 ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fade-in {
  animation: fadeIn 0.3s ease forwards;
}

/* 悬停效果 */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== 响应式调整 ===== */
@media (max-width: 640px) {
  .row {
    grid-template-columns: 24px 1fr 60px 32px;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .drag-handle {
    display: none;
  }

  .btn-preview {
    display: none;
  }

  .item-preview {
    width: 24px;
    height: 24px;
  }
}

/* ===== 提成计算器导航按钮 ===== */
.commission-selector {
  display: flex;
  gap: 6px;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.commission-btn {
  padding: 6px 12px;
  border: none;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.commission-btn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.commission-btn::before {
  content: '$';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
  border-radius: 50%;
  color: white;
  font-size: 11px;
  font-weight: 600;
}