/* ===== 布料管理系统 - 全局样式 v2 ===== */
:root {
  --nav-bg: #1F2329;
  --nav-height: 60px;
  --primary: #3370FF;
  --primary-light: #F0F5FF;
  --primary-hover: #2860E8;
  --accent: #00B42A;
  --accent-light: #E8F8ED;
  --warning: #FF7D00;
  --danger: #F53F3F;
  --bg: #F5F6FA;
  --card-bg: #FFFFFF;
  --text: #1F2329;
  --text-secondary: #646A73;
  --text-tertiary: #8F959E;
  --border: #E4E7EB;
  --border-light: #EEEEEF;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
  --shadow: 0 2px 12px rgba(0,0,0,.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== 导航栏 v2 ===== */
.navbar {
  background: var(--nav-bg);
  padding: 0 32px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 36px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(255,255,255,.06) inset, 0 2px 8px rgba(0,0,0,.15);
}
.navbar .brand {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar .brand-icon {
  width: 30px;
  height: 30px;
  background: #3370FF;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.navbar nav { display: flex; gap: 2px; }
.navbar nav a {
  color: rgba(255,255,255,.65);
  text-decoration: none;
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all .2s ease;
  position: relative;
}
.navbar nav a:hover {
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.9);
}
.navbar nav a.active {
  background: rgba(51,112,255,.2);
  color: #fff;
}

/* ===== 导航栏右侧按钮 ===== */
.nav-btn-primary {
  padding: 7px 18px !important;
  background: var(--primary) !important;
  color: #fff !important;
  border-radius: 8px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  transition: all .2s ease !important;
  letter-spacing: .2px;
}
.nav-btn-primary:hover {
  background: var(--primary-hover) !important;
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(51,112,255,.35);
}

.nav-btn-outline {
  padding: 7px 18px !important;
  background: transparent !important;
  color: rgba(255,255,255,.85) !important;
  border: 1.5px solid rgba(255,255,255,.25) !important;
  border-radius: 8px !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  transition: all .2s ease !important;
}
.nav-btn-outline:hover {
  background: rgba(255,255,255,.08) !important;
  color: #fff !important;
  border-color: rgba(255,255,255,.5) !important;
  transform: translateY(-1px);
}

.nav-btn-logout {
  padding: 6px 14px !important;
  color: rgba(255,255,255,.45) !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  transition: all .2s ease !important;
}
.nav-btn-logout:hover {
  color: rgba(255,255,255,.75) !important;
  background: rgba(255,255,255,.06) !important;
}

/* 导航栏用户头像 */
.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3370FF, #5B8DEF);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none !important;
  flex-shrink: 0;
  transition: transform .2s ease, box-shadow .2s ease;
}
.nav-avatar:hover {
  transform: scale(1.08);
  box-shadow: 0 2px 8px rgba(51,112,255,.4);
}

.nav-user-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1;
}
.nav-username {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-role-badge {
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  letter-spacing: .3px;
}
.role-admin  { background: #F53F3F; color: #fff; }
.role-premium { background: #FF7D00; color: #fff; }
.role-basic   { background: rgba(51,112,255,.3); color: #fff; }

/* ===== Hero 区域 ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 24px 56px;
  text-align: center;
}
.hero {
  padding: 56px 24px 40px;
  text-align: center;
  background: var(--bg);
}
.hero h1 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -.5px;
  line-height: 1.25;
}
.hero .subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.65;
}

/* Hero 统计条 */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.hero-stat {
  text-align: center;
}
.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}
.hero-stat .label {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ===== 功能特性卡片 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  transform: translateY(-20px);
  position: relative;
  z-index: 2;
}
.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
  transition: transform .25s ease, box-shadow .25s ease;
  border: 1px solid transparent;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(51,112,255,.15);
}
.feature-card .icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-card .icon-blue   { background: #EBF1FF; }
.feature-card .icon-green  { background: #E8F8ED; }
.feature-card .icon-orange { background: #FFF6E8; }
.feature-card .icon-purple { background: #F3EEFF; }
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.feature-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== 主容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* ===== 卡片 ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
  transition: box-shadow .2s;
}
.card:hover { box-shadow: var(--shadow-md); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all .2s ease;
  text-decoration: none;
  line-height: 1.4;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(51,112,255,.3);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 14px rgba(51,112,255,.38);
  transform: translateY(-1px);
}
.btn-primary:disabled {
  background: #94BFFF;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--bg); }
.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #E33A3A; }

/* ===== 操作列小按钮 ===== */
.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 4px 11px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s ease;
  border: 1px solid;
  line-height: 1.6;
  background: transparent;
}
.btn-action-edit {
  color: var(--primary);
  border-color: var(--primary);
  background: #F0F4FF;
}
.btn-action-edit:hover {
  background: var(--primary);
  color: #fff;
}
.btn-action-delete {
  color: var(--danger);
  border-color: var(--danger);
  background: #FFF1F0;
}
.btn-action-delete:hover {
  background: var(--danger);
  color: #fff;
}
.action-group {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: nowrap;
}

/* ===== 表单 ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  transition: all .2s ease;
  background: #fff;
}
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(51,112,255,.1);
}
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ===== 搜索页（图像搜索）===== */
.search-hero {
  text-align: center;
  padding: 64px 24px 48px;
}
.search-hero h1 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -.3px;
}
.search-hero p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 36px;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 52px 24px;
  text-align: center;
  cursor: pointer;
  transition: all .25s ease;
  max-width: 520px;
  margin: 0 auto 24px;
  background: #FAFBFC;
  position: relative;
  overflow: hidden;
}
.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(51,112,255,.03) 0%, transparent 70%);
  opacity: 0;
  transition: opacity .25s;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--primary);
  background: #F6F9FF;
  box-shadow: 0 0 0 4px rgba(51,112,255,.08);
}
.upload-zone:hover::before,
.upload-zone.drag-over::before { opacity: 1; }
.upload-zone .icon { font-size: 44px; margin-bottom: 12px; }
.upload-zone .hint { color: var(--text-tertiary); font-size: 13px; }
.upload-zone input[type="file"] { display: none; }

.preview-wrap {
  max-width: 400px;
  margin: 0 auto 24px;
  display: none;
}
.preview-wrap img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.preview-wrap .clear-btn {
  margin-top: 8px;
  font-size: 13px;
  color: var(--primary);
  cursor: pointer;
  text-align: center;
  font-weight: 500;
}

/* 筛选面板 */
.filter-panel {
  flex: 0 0 auto;
  text-align: left;
  background: #FAFBFC;
  border-radius: var(--radius);
  padding: 18px;
  border: 1px solid var(--border-light);
}

/* ===== 结果列表 ===== */
.result-count {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 14px;
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.result-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
  border: 1px solid var(--border-light);
}
.result-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.result-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: var(--bg);
}
.result-card-body { padding: 18px; }
.result-card .score-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.result-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.result-card .meta { font-size: 13px; color: var(--text-secondary); }
.result-card .price { color: var(--danger); font-weight: 700; font-size: 16px; margin-top: 8px; }
.no-results {
  text-align: center;
  padding: 60px 24px;
  color: var(--text-secondary);
}

/* ===== 列表页 ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.page-header h2 { font-size: 22px; font-weight: 700; }

/* ===== 筛选栏 ===== */
.filter-bar {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow-sm);
}
.filter-bar select,
.filter-bar input {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  transition: border-color .2s;
}
.filter-bar select:focus,
.filter-bar input:focus { border-color: var(--primary); }

/* ===== 数据表格 ===== */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border-light); }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.data-table th {
  background: #F7F8FA;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 13px;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-light);
}
table.data-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: #FAFBFC; }
table.data-table .thumb {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border-light);
}
table.data-table .actions { display: flex; gap: 6px; }
table.data-table .actions .btn { padding: 5px 11px; font-size: 13px; }

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 28px;
}
.pagination a,
.pagination span {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  text-decoration: none;
  border: 1px solid var(--border);
  color: var(--text);
  transition: all .15s;
}
.pagination a:hover { background: var(--bg); border-color: var(--primary); color: var(--primary); }
.pagination .current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== 详情页 ===== */
.detail-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 36px;
}
.detail-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.detail-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }
.detail-field .label { font-size: 12px; color: var(--text-tertiary); margin-bottom: 3px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.detail-field .value { font-size: 15px; font-weight: 600; }

/* ===== 标签/徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-success { background: var(--accent-light); color: #009A44; }
.badge-warning { background: #FFF7E6; color: #C47A07; }
.badge-error { background: #FFF1F0; color: #CF2626; }
.badge-info { background: var(--primary-light); color: var(--primary); }

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-tertiary);
}
.empty-state .icon { font-size: 52px; margin-bottom: 14px; opacity: .35; }
.empty-state p { margin-bottom: 16px; }

/* ===== 语义搜索专用 ===== */
.semantic-hero {
  background: var(--bg);
  padding: 56px 24px 44px;
  text-align: center;
  position: relative;
}
.semantic-hero h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -.3px;
}
.semantic-hero .subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* 搜索输入区 */
.semantic-search-box {
  max-width: 640px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px 22px;
  box-shadow: var(--shadow-md);
}
.semantic-search-box textarea {
  width: 100%;
  min-height: 76px;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.6;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  background: #fff;
}
.semantic-search-box textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(51,112,255,.1);
}
.semantic-search-box .search-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
  margin-top: 12px;
}
.semantic-search-box .search-btn {
  padding: 0 32px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s;
  box-shadow: 0 2px 8px rgba(51,112,255,.28);
}
.semantic-search-box .search-btn:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 14px rgba(51,112,255,.35);
  transform: translateY(-1px);
}
.semantic-search-box .search-btn:disabled {
  background: #94BFFF;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* 快捷标签 */
.quick-tags {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.tag-btn {
  padding: 5px 14px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  background: #fff;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .18s ease;
  font-weight: 500;
}
.tag-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-1px);
}

/* 搜索结果卡片 */
.search-result-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 12px;
  display: flex;
  gap: 16px;
  align-items: start;
  cursor: pointer;
  transition: all .2s ease;
  border: 1px solid var(--border-light);
}
.search-result-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(51,112,255,.2);
  transform: translateX(3px);
}

/* 加载动画 */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .75s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 页脚 */
.footer-bar {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-tertiary);
  font-size: 13px;
  border-top: 1px solid var(--border-light);
  margin-top: 40px;
  background: var(--card-bg);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .navbar { padding: 0 16px; gap: 8px; }
  .navbar nav { gap: 0; }
  .navbar nav a { padding: 6px 10px; font-size: 13px; }
  .hero { padding: 48px 16px 40px; }
  .hero h1 { font-size: 26px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .features-grid { grid-template-columns: 1fr; transform: translateY(-12px); }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-fields { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .semantic-hero { padding: 44px 16px 36px; }
  .semantic-hero h1 { font-size: 26px; }
  .semantic-search-box { padding: 16px; }
  .search-result-item { flex-direction: column; }
  .footer-bar { padding: 24px 16px; }
}

/* 搜索结果属性表格 */
.attr-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 12px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  overflow: hidden;
}
.attr-table td {
  padding: 5px 10px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  line-height: 1.45;
}
.attr-table td:last-child { border-bottom: none; }
.attr-table .attr-label {
  font-weight: 600;
  color: var(--text-secondary);
  background: #F7F8FA;
  width: 64px;
  white-space: nowrap;
}

/* 动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeInUp .45s ease both;
}