/* =====================================================
 * 库存管理系统 — 全局样式
 * 参考静态设计稿:浅色主题 + 左侧边栏 + #165DFF 主色
 * 配合 Tailwind CSS (CDN) + Font Awesome 4.7
 * ===================================================== */

:root {
  --inv-primary: #165DFF;
  --inv-primary-hover: #4080FF;
  --inv-secondary: #36CFC9;
  --inv-success: #52C41A;
  --inv-warning: #FAAD14;
  --inv-danger: #FF4D4F;
  --inv-info: #40A9FF;
  --inv-dark: #1D2129;
  --inv-light-dark: #4E5969;
  --inv-extra-light: #F2F3F5;

  --inv-bg: #F2F3F5;
  --inv-surface: #FFFFFF;
  --inv-surface-2: #F7F8FA;
  --inv-ink: #1D2129;
  --inv-ink-2: #4E5969;
  --inv-ink-3: #86909C;
  --inv-line: #E5E6EB;
  --inv-border: #C9CDD4;

  --inv-primary-bg: rgba(22, 93, 255, 0.10);
  --inv-success-bg: rgba(82, 196, 26, 0.10);
  --inv-warning-bg: rgba(250, 173, 20, 0.10);
  --inv-danger-bg: rgba(255, 77, 79, 0.10);
  --inv-info-bg: rgba(64, 169, 255, 0.10);
  --inv-secondary-bg: rgba(54, 207, 201, 0.10);

  --inv-radius-sm: 4px;
  --inv-radius-md: 8px;
  --inv-radius-lg: 12px;
  --inv-radius-full: 9999px;

  --inv-shadow-1: 0 1px 2px rgba(29, 33, 41, 0.04);
  --inv-shadow-md: 0 4px 10px rgba(29, 33, 41, 0.04);
  --inv-shadow-lg: 0 8px 20px rgba(29, 33, 41, 0.08);
  --inv-shadow-xl: 0 12px 28px rgba(29, 33, 41, 0.12);

  --inv-font: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --inv-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--inv-font);
  background: var(--inv-bg);
  color: var(--inv-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.font-inter { font-family: var(--inv-font); }
.font-mono, .mono { font-family: var(--inv-font-mono); }

/* 文本颜色工具类 (供非 Tailwind 场景使用) */
.text-primary { color: var(--inv-primary); }
.text-secondary { color: var(--inv-secondary); }
.text-success { color: var(--inv-success); }
.text-warning { color: var(--inv-warning); }
.text-danger { color: var(--inv-danger); }
.text-info { color: var(--inv-info); }
.text-dark { color: var(--inv-dark); }
.text-light-dark { color: var(--inv-light-dark); }
.text-muted { color: var(--inv-ink-3); }
.bg-primary { background-color: var(--inv-primary); }
.bg-primary-soft { background-color: var(--inv-primary-bg); }
.bg-success-soft { background-color: var(--inv-success-bg); }
.bg-warning-soft { background-color: var(--inv-warning-bg); }
.bg-danger-soft { background-color: var(--inv-danger-bg); }
.bg-info-soft { background-color: var(--inv-info-bg); }
.bg-secondary-soft { background-color: var(--inv-secondary-bg); }

/* ---------- 侧边栏 ---------- */
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--inv-light-dark);
  border-radius: var(--inv-radius-md);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}
.sidebar-item:hover {
  background: var(--inv-primary-bg);
  color: var(--inv-primary);
}
.sidebar-item.active {
  background: var(--inv-primary-bg);
  color: var(--inv-primary);
  font-weight: 500;
}
.sidebar-item i { width: 20px; text-align: center; }
.sidebar-section-title {
  font-size: 11px;
  color: var(--inv-ink-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 16px;
  margin: 16px 0 8px;
}

/* ---------- 卡片阴影 ---------- */
.card-shadow {
  background: var(--inv-surface);
  border-radius: var(--inv-radius-lg);
  box-shadow: var(--inv-shadow-md);
  transition: box-shadow 0.3s ease;
}
.card-shadow:hover { box-shadow: var(--inv-shadow-lg); }
.card {
  background: var(--inv-surface);
  border-radius: var(--inv-radius-lg);
  box-shadow: var(--inv-shadow-md);
  border: 1px solid var(--inv-line);
}

/* ---------- 按钮 ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--inv-primary);
  color: #fff;
  border-radius: var(--inv-radius-md);
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--inv-primary-hover); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--inv-surface);
  color: var(--inv-ink);
  border: 1px solid var(--inv-border);
  border-radius: var(--inv-radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-outline:hover { border-color: var(--inv-primary); color: var(--inv-primary); }

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  color: var(--inv-danger);
  border: 1px solid var(--inv-danger);
  border-radius: var(--inv-radius-md);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}
.btn-danger:hover { background: var(--inv-danger-bg); }

.btn-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--inv-success);
  color: #fff;
  border: none;
  border-radius: var(--inv-radius-md);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}
.btn-success:hover { filter: brightness(0.95); }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--inv-radius-md);
  color: var(--inv-ink-2);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}
.btn-icon:hover { background: var(--inv-primary-bg); color: var(--inv-primary); }
.btn-icon.btn-view { color: var(--inv-primary); }
.btn-icon.btn-edit { color: var(--inv-info); }
.btn-icon.btn-del { color: var(--inv-danger); }

/* ---------- 表单 ---------- */
.form-input, .form-select, .form-textarea {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  border-radius: var(--inv-radius-md);
  border: 1px solid var(--inv-border);
  background-color: var(--inv-surface);
  color: var(--inv-ink);
  font-size: 14px;
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--inv-primary);
  box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.15);
}
/* 权限矩阵下拉框(紧凑版) */
.perm-select {
  height: 30px;
  padding: 0 8px;
  border-radius: var(--inv-radius-sm);
  border: 1px solid var(--inv-line);
  background-color: var(--inv-surface);
  color: var(--inv-ink-2);
  font-size: 12px;
  outline: none;
  cursor: pointer;
  transition: all 150ms ease;
}
.perm-select:hover { border-color: var(--inv-primary); }
.perm-select:focus { border-color: var(--inv-primary); box-shadow: 0 0 0 2px rgba(22, 93, 255, 0.15); }
.perm-select option { font-size: 12px; }
.form-textarea { height: auto; min-height: 80px; padding: 8px 12px; resize: vertical; }
.form-label {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--inv-ink-2);
}
.form-hint { font-size: 12px; color: var(--inv-ink-3); margin-top: 4px; }

/* ---------- 数据表格 ---------- */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 500;
  color: var(--inv-ink-3);
  background: var(--inv-surface-2);
  border-bottom: 1px solid var(--inv-line);
  white-space: nowrap;
}
.data-table td {
  padding: 12px 16px;
  color: var(--inv-ink);
  border-bottom: 1px solid var(--inv-line);
}
.data-table tr:hover td { background: var(--inv-surface-2); }
.data-table tr:last-child td { border-bottom: none; }

/* ---------- 状态徽章 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--inv-radius-full);
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
}
.badge-primary { background: var(--inv-primary-bg); color: var(--inv-primary); }
.badge-success { background: var(--inv-success-bg); color: var(--inv-success); }
.badge-warning { background: var(--inv-warning-bg); color: var(--inv-warning); }
.badge-danger { background: var(--inv-danger-bg); color: var(--inv-danger); }
.badge-info { background: var(--inv-info-bg); color: var(--inv-info); }
.badge-secondary { background: var(--inv-secondary-bg); color: var(--inv-secondary); }
.badge-default { background: var(--inv-extra-light); color: var(--inv-light-dark); }

/* 兼容旧 status-badge 用法 */
.status-badge { display: inline-flex; align-items: center; padding: 2px 10px; border-radius: var(--inv-radius-full); font-size: 12px; font-weight: 500; }
.status-success { background: var(--inv-success-bg); color: var(--inv-success); }
.status-warning { background: var(--inv-warning-bg); color: var(--inv-warning); }
.status-error { background: var(--inv-danger-bg); color: var(--inv-danger); }
.status-info { background: var(--inv-info-bg); color: var(--inv-info); }
.status-pending { background: var(--inv-warning-bg); color: var(--inv-warning); }
.status-approved { background: var(--inv-success-bg); color: var(--inv-success); }
.status-rejected { background: var(--inv-danger-bg); color: var(--inv-danger); }
.status-cancelled { background: var(--inv-extra-light); color: var(--inv-light-dark); }

/* ---------- 角色标签 ---------- */
.role-tag { display: inline-flex; align-items: center; padding: 2px 10px; border-radius: var(--inv-radius-full); font-size: 12px; font-weight: 500; }
.role-system { background: var(--inv-primary-bg); color: var(--inv-primary); }
.role-warehouse { background: var(--inv-secondary-bg); color: var(--inv-secondary); }
.role-company { background: var(--inv-info-bg); color: var(--inv-info); }
.role-user { background: var(--inv-extra-light); color: var(--inv-light-dark); }

/* ---------- 过滤标签 / Tab ---------- */
.filter-tab, .tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--inv-radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--inv-light-dark);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-tab:hover, .tab-btn:hover { color: var(--inv-ink); background: var(--inv-surface-2); }
.filter-tab.active, .tab-btn.active {
  color: var(--inv-primary);
  background: var(--inv-primary-bg);
  border-color: rgba(22, 93, 255, 0.25);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- 分页 ---------- */
.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 10px;
  border-radius: var(--inv-radius-md);
  border: 1px solid var(--inv-border);
  background: var(--inv-surface);
  color: var(--inv-light-dark);
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}
.pagination-btn:hover { border-color: var(--inv-primary); color: var(--inv-primary); }
.pagination-btn.active { background: var(--inv-primary-bg); color: var(--inv-primary); border-color: var(--inv-primary); }
.pagination-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- 统计卡片 ---------- */
.stat-card {
  background: var(--inv-surface);
  border-radius: var(--inv-radius-lg);
  padding: 20px;
  box-shadow: var(--inv-shadow-md);
  border-left: 4px solid var(--inv-primary);
}
.stat-card.stat-warning { border-left-color: var(--inv-warning); }
.stat-card.stat-danger { border-left-color: var(--inv-danger); }
.stat-card.stat-success { border-left-color: var(--inv-success); }
.stat-card.stat-info { border-left-color: var(--inv-info); }

/* ---------- 抽屉(详情侧栏) ---------- */
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(29, 33, 41, 0.4);
  opacity: 0; visibility: hidden;
  transition: opacity 200ms ease, visibility 200ms ease;
}
.drawer-backdrop.open { opacity: 1; visibility: visible; }
.detail-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 70;
  width: 100%; max-width: 480px;
  background: var(--inv-surface);
  box-shadow: var(--inv-shadow-xl);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 250ms ease;
}
.detail-drawer.open { transform: translateX(0); }
.drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--inv-line); }
.drawer-body { flex: 1; overflow-y: auto; padding: 20px; }
.drawer-footer { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-top: 1px solid var(--inv-line); }
.detail-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--inv-line); font-size: 14px; }
.detail-row:last-child { border-bottom: none; }
.detail-label { color: var(--inv-ink-2); }
.detail-value { color: var(--inv-ink); font-weight: 500; text-align: right; }

/* ---------- 模态框 ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(29, 33, 41, 0.45);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 200ms ease, visibility 200ms ease;
  padding: 16px;
}
.modal-backdrop.open { opacity: 1; visibility: visible; }
.modal {
  width: 100%; max-width: 560px;
  background: var(--inv-surface);
  border-radius: var(--inv-radius-lg);
  box-shadow: var(--inv-shadow-xl);
  max-height: 90vh; display: flex; flex-direction: column;
  transform: scale(0.96);
  transition: transform 200ms ease;
}
.modal-backdrop.open .modal { transform: scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--inv-line); }
.modal-body { padding: 20px; overflow-y: auto; }
.modal-footer { display: flex; align-items: center; justify-content: flex-end; gap: 12px; padding: 14px 20px; border-top: 1px solid var(--inv-line); }

/* ---------- 图片上传区 ---------- */
.upload-area {
  border: 2px dashed var(--inv-border);
  border-radius: var(--inv-radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease;
  color: var(--inv-ink-2);
}
.upload-area:hover { border-color: var(--inv-primary); background: var(--inv-primary-bg); }
.upload-area.dragover { border-color: var(--inv-primary); background: var(--inv-primary-bg); }
.image-preview { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.image-thumb { position: relative; width: 80px; height: 80px; border-radius: var(--inv-radius-md); overflow: hidden; border: 1px solid var(--inv-line); }
.image-thumb img { width: 100%; height: 100%; object-fit: cover; }
.image-thumb .remove { position: absolute; top: 2px; right: 2px; width: 18px; height: 18px; border-radius: 50%; background: rgba(0,0,0,0.6); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 11px; }

/* ---------- 提示消息 ---------- */
.alert { padding: 10px 16px; border-radius: var(--inv-radius-md); font-size: 14px; margin-bottom: 16px; }
.alert-success { background: var(--inv-success-bg); color: var(--inv-success); border: 1px solid rgba(82, 196, 26, 0.3); }
.alert-error { background: var(--inv-danger-bg); color: var(--inv-danger); border: 1px solid rgba(255, 77, 79, 0.3); }
.alert-info { background: var(--inv-info-bg); color: var(--inv-info); border: 1px solid rgba(64, 169, 255, 0.3); }
.alert-warning { background: var(--inv-warning-bg); color: var(--inv-warning); border: 1px solid rgba(250, 173, 20, 0.3); }

/* ---------- Toast ---------- */
#toast-container { position: fixed; top: 80px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--inv-surface); border: 1px solid var(--inv-line); border-left: 4px solid var(--inv-primary);
  border-radius: var(--inv-radius-md); padding: 12px 18px; box-shadow: var(--inv-shadow-lg);
  color: var(--inv-ink); font-size: 14px; min-width: 260px; max-width: 400px;
  animation: toastIn 200ms ease;
}
.toast.toast-success { border-left-color: var(--inv-success); }
.toast.toast-error { border-left-color: var(--inv-danger); }
.toast.toast-warning { border-left-color: var(--inv-warning); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ---------- 打印 ---------- */
@media print {
  .no-print { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
  .print-area { box-shadow: none !important; border: none !important; }
}
.print-area { background: var(--inv-surface); padding: 40px; border-radius: var(--inv-radius-lg); }

/* ---------- 工具类 ---------- */
.text-nowrap { white-space: nowrap; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.cursor-pointer { cursor: pointer; }
.table-wrap { overflow-x: auto; }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--inv-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--inv-ink-3); }

/* ---------- 侧边栏移动端显隐 ---------- */
.sidebar-mobile-show { transform: translateX(0) !important; }