/* ========== 工具箱共享样式 v2 ========== */
:root {
  --bg: #F5F7FA;
  --card-bg: #FFFFFF;
  --accent: #00D4C4;
  --accent-hover: #00bfb0;
  --accent-light: #f0fdfb;
  --text: #1a1a1a;
  --text-secondary: #999;
  --border: #e8eaef;
  --danger: #e74c3c;
  --danger-bg: #fee;
  --shadow: 0 2px 12px rgba(0,0,0,0.04);
  --radius: 16px;
  --radius-sm: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 16px;
}

.container { max-width: 960px; margin: 0 auto; }

/* 返回链接 */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 20px;
  transition: background 0.2s;
}
.back-link:hover { background: var(--accent-light); }

/* 页面标题区 */
.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.page-header .subtitle { font-size: 13px; color: var(--text-secondary); }

/* 卡片 */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
}

/* 表单元素 */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: #fafbfc;
  transition: border-color 0.2s;
  outline: none;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: #FFF;
}
.form-group textarea { resize: vertical; min-height: 60px; }

.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.form-row .form-group { flex: 1; min-width: 180px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border: none;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  gap: 6px;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: #FFF;
  box-shadow: 0 4px 14px rgba(0,212,196,0.3);
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 6px 20px rgba(0,212,196,0.4); }
.btn-secondary { background: #f0f0f0; color: #666; }
.btn-secondary:hover { background: #e5e5e5; }
.btn-outline { background: #FFF; color: var(--accent); border: 1.5px solid var(--accent); }
.btn-outline:hover { background: var(--accent-light); }
.btn-danger { background: var(--danger); color: #FFF; }
.btn-danger:hover { background: #c0392b; }
.btn-sm { padding: 5px 14px; font-size: 12px; border-radius: 20px; }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }

/* 表格 */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table th, table td {
  padding: 10px 8px;
  text-align: center;
  border-bottom: 1px solid #f0f0f0;
}
table th {
  background: #F0F3F7;
  font-weight: 600;
  color: #666;
  font-size: 12px;
  white-space: nowrap;
}
table th:first-child, table td:first-child { text-align: left; }
table td input {
  width: 100%;
  padding: 10px 6px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  text-align: center;
  outline: none;
  font-family: inherit;
  background: #fafbfc;
  transition: border-color 0.2s;
}
table td input:focus { border-color: var(--accent); background: #FFF; }
table tr:hover td { background: #FAFBFC; }

.table-wrap { overflow-x: auto; }

/* 弹窗/模态 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal {
  background: #FFF;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 24px;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.modal-header h3 { font-size: 18px; }
.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px 8px;
  line-height: 1;
}
.modal-close:hover { color: var(--danger); }

/* 标签 */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  background: var(--accent-light);
  color: var(--accent);
}

/* 汇总行 */
.summary-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
  padding: 12px 0;
  flex-wrap: wrap;
}

/* 商品选择面板/芯片 */
.goods-panel { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.goods-chip {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  background: #fafbfc;
  transition: all 0.15s;
  user-select: none;
  font-family: inherit;
  text-align: center;
}
.goods-chip:hover { border-color: var(--accent); background: var(--accent-light); }
.goods-chip.active { background: var(--accent); color: #FFF; border-color: var(--accent); }

/* 库存颜色指示 */
.color-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 4px;
  border: 1px solid #ccc;
}

/* 子标签导航 */
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.tab-nav button {
  padding: 10px 20px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
  font-family: inherit;
}
.tab-nav button:hover { color: var(--accent); }
.tab-nav button.active { color: var(--accent); border-bottom-color: var(--accent); }

/* 搜索框 */
.search-input {
  width: 100%;
  max-width: 300px;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  margin-bottom: 12px;
  background: #fafbfc;
  font-family: inherit;
}
.search-input:focus { border-color: var(--accent); background: #FFF; }

/* 空状态 */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-secondary); font-size: 14px; }

/* 版权 */
.footer-copy { text-align: center; color: var(--text-secondary); font-size: 12px; padding: 20px 0; opacity: 0.7; }

/* 导航首页卡片 */
.nav-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.nav-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
  border: 2px solid transparent;
}
.nav-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,212,196,0.15); }
.nav-card .icon { font-size: 48px; margin-bottom: 16px; display: block; }
.nav-card h3 { font-size: 20px; margin-bottom: 8px; }
.nav-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* 全局设置行 */
.global-settings { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; align-items: flex-end; }
.global-settings .form-group { margin-bottom: 0; min-width: 130px; }

/* 模板列表项 */
.template-list-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 6px;
}
.template-list-item:hover { border-color: var(--accent); }
.template-list-item .name { font-size: 14px; font-weight: 500; }
.template-list-item .btns { display: flex; gap: 6px; }

/* CRUD */
.crud-section { margin-bottom: 20px; }
.crud-section h4 { font-size: 15px; margin-bottom: 10px; }
.crud-list-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 6px;
}
.crud-list-item span { flex: 1; font-size: 13px; }

/* 查询筛选 */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.filter-bar .form-group { margin-bottom: 0; min-width: 120px; }

/* Toast */
.toast {
  position: fixed; top: 24px; left: 50%; transform: translateX(-50%);
  background: #1a1a1a; color: #fff; padding: 12px 24px; border-radius: 24px;
  font-size: 14px; z-index: 9999; pointer-events: none; opacity: 0;
  transition: opacity 0.3s;
}
.toast.show { opacity: 1; }

/* 响应式 */
@media (max-width: 768px) {
  .container { padding: 0; }
  body { padding: 12px; }
  .card { padding: 16px; }
  .form-row { flex-direction: column; gap: 0; }
  .form-row .form-group { min-width: auto; }
  .global-settings { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
  .nav-cards { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 22px; }
  table { font-size: 12px; }
  table th, table td { padding: 6px 4px; }
  .tab-nav button { padding: 8px 14px; font-size: 13px; }
  .btn { padding: 8px 18px; font-size: 13px; }
}