/* ============================================================
   wshug个人工作信息存档系统 · 全局样式
   参考设计规范 - 现代化后台管理风格
   ============================================================ */
:root {
  --sidebar-w: 220px;
  --sidebar-bg: #001529;
  --sidebar-active: #1677ff;
  --sidebar-hover: rgba(255,255,255,0.08);
  --primary: #1677ff;
  --primary-hover: #4096ff;
  --success: #52c41a;
  --success-hover: #73d13d;
  --warning: #fa8c16;
  --danger: #ff4d4f;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --bg: #f5f7fa;
  --bg-white: #ffffff;
  --border: #e8ecf1;
  --border-light: #f0f2f5;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --transition: 0.2s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
  background: var(--bg); color: var(--text);
  display: flex; min-height: 100vh; font-size: 14px;
  line-height: 1.5;
}
a { text-decoration: none; color: inherit; }

/* ========== 侧边栏 ========== */
.sidebar {
  width: var(--sidebar-w); background: var(--sidebar-bg);
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 200;
  display: flex; flex-direction: column; overflow: hidden;
  transition: width var(--transition);
}
.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 16px; height: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo .logo-icon {
  width: 34px; height: 34px; background: var(--primary);
  border-radius: 8px; display: flex; align-items: center;
  justify-content: center; color: #fff; font-size: 16px; flex-shrink: 0;
}
.sidebar-logo .logo-text {
  color: #fff; font-size: 14px; font-weight: 700;
  white-space: nowrap; overflow: hidden;
}
.sidebar-nav {
  flex: 1; overflow-y: auto;
  padding: 8px; display: flex; flex-direction: column; gap: 1px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius);
  color: rgba(255,255,255,0.65); font-size: 13.5px;
  white-space: nowrap; cursor: pointer;
  transition: all var(--transition);
}
.nav-item i { width: 18px; text-align: center; font-size: 14px; flex-shrink: 0; }
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; font-weight: 600; }
.nav-item span { overflow: hidden; text-overflow: ellipsis; }

.sidebar-footer {
  padding: 10px 16px; color: rgba(255,255,255,0.3);
  font-size: 11px; border-top: 1px solid rgba(255,255,255,0.06);
}

/* ========== 主内容 ========== */
.main-content {
  margin-left: var(--sidebar-w); flex: 1;
  display: flex; flex-direction: column; min-height: 100vh;
  transition: margin-left var(--transition);
}

/* ========== 顶部栏 ========== */
.topbar {
  background: var(--bg-white); height: 56px;
  border-bottom: 1px solid var(--border);
  padding: 0 24px; display: flex; align-items: center; gap: 16px;
  position: sticky; top: 0; z-index: 100;
}
.menu-btn {
  display: none; background: none; border: none; cursor: pointer;
  font-size: 18px; color: var(--text-secondary); padding: 4px;
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-secondary); }
.topbar-right a { color: var(--primary); }
.topbar-right button {
  background: none; border: 1px solid var(--border);
  padding: 4px 12px; border-radius: var(--radius);
  font-size: 12px; cursor: pointer; color: var(--text-secondary);
  font-family: inherit;
}
.topbar-right button:hover { border-color: var(--primary); color: var(--primary); }

/* ========== 页面标题区 ========== */
.page-header {
  background: var(--bg-white); padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-size: 18px; font-weight: 700; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.page-header h1 i { color: var(--primary); }
.page-header .subtitle { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ========== 页面内容 ========== */
.page-body { padding: 20px 24px; flex: 1; }

/* ========== 顶部操作栏 ========== */
.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
.toolbar-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ========== 搜索框 ========== */
.search-input {
  width: 260px; padding: 8px 12px 8px 34px;
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 13px; font-family: inherit; outline: none;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") 10px center no-repeat;
  transition: border var(--transition);
}
.search-input:focus { border-color: var(--primary); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 16px; border-radius: var(--radius);
  font-size: 13px; font-family: inherit; cursor: pointer;
  border: 1px solid var(--border); font-weight: 500;
  transition: all var(--transition); white-space: nowrap;
}
.btn-default { background: #fff; color: var(--text); }
.btn-default:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: var(--success-hover); border-color: var(--success-hover); }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-xs { padding: 2px 8px; font-size: 11px; border-radius: 4px; }

/* ========== 统计卡片 ========== */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-bottom: 16px; }
.stat-card {
  background: var(--bg-white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 20px;
  transition: all var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow); }
.stat-card .stat-num { font-size: 28px; font-weight: 800; line-height: 1.2; }
.stat-card .stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.stat-card .stat-icon {
  width: 40px; height: 40px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 18px;
  float: right; margin-top: -8px;
}
.s-blue .stat-num { color: var(--primary); }
.s-blue .stat-icon { background: #e6f4ff; color: var(--primary); }
.s-green .stat-num { color: var(--success); }
.s-green .stat-icon { background: #f6ffed; color: var(--success); }
.s-orange .stat-num { color: var(--warning); }
.s-orange .stat-icon { background: #fff7e6; color: var(--warning); }
.s-red .stat-num { color: var(--danger); }
.s-red .stat-icon { background: #fff2f0; color: var(--danger); }
.s-purple .stat-num { color: #722ed1; }
.s-purple .stat-icon { background: #f9f0ff; color: #722ed1; }

/* ========== 内容区卡片 ========== */
.content-card {
  background: var(--bg-white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  margin-bottom: 16px;
}
.content-card-header {
  padding: 14px 20px; border-bottom: 1px solid var(--border-light);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 14px; font-weight: 600; color: var(--text);
}
.content-card-body { padding: 0; }

/* ========== 表格 ========== */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  background: #fafbfc; padding: 10px 14px; text-align: left;
  font-weight: 600; font-size: 12px; color: var(--text-secondary);
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.data-table td {
  padding: 12px 14px; border-bottom: 1px solid var(--border-light);
  font-size: 13px; color: var(--text); vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #fafbfc; }

/* 单元格3行截断 */
.cell-text {
  max-width: 300px; overflow: hidden; display: -webkit-box;
  -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  line-height: 1.6;
}
.cell-text.expanded {
  -webkit-line-clamp: unset; display: block; max-height: none;
}
.cell-expand {
  color: var(--primary); font-size: 12px; cursor: pointer;
  margin-top: 2px; display: inline-block; user-select: none;
}

/* ========== 标签 ========== */
.tag {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 500; white-space: nowrap;
}
.tag-blue { background: #e6f4ff; color: #1677ff; border: 1px solid #91caff; }
.tag-green { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.tag-orange { background: #fff7e6; color: #fa8c16; border: 1px solid #ffd591; }
.tag-red { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffccc7; }
.tag-purple { background: #f9f0ff; color: #722ed1; border: 1px solid #d3adf7; }
.tag-gray { background: #fafafa; color: #8c8c8c; border: 1px solid #d9d9d9; }

/* ========== 进度条 ========== */
.progress-bar {
  background: #f0f2f5; border-radius: 100px;
  height: 8px; overflow: hidden; min-width: 80px;
}
.progress-fill {
  height: 100%; border-radius: 100px;
  transition: width 0.4s ease;
}
.pf-blue { background: var(--primary); }
.pf-green { background: var(--success); }
.pf-orange { background: var(--warning); }
.pf-red { background: var(--danger); }

/* ========== 标签页切换 ========== */
.tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--border);
  padding: 0 20px; background: var(--bg-white);
}
.tab-item {
  padding: 12px 20px; font-size: 13px; color: var(--text-secondary);
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: all var(--transition); margin-bottom: -1px;
  display: flex; align-items: center; gap: 6px;
}
.tab-item:hover { color: var(--primary); }
.tab-item.active {
  color: var(--primary); border-bottom-color: var(--primary);
  font-weight: 600;
}
.tab-count {
  background: #f0f2f5; padding: 1px 7px; border-radius: 10px;
  font-size: 11px; margin-left: 4px;
}
.tab-item.active .tab-count { background: #e6f4ff; color: var(--primary); }

/* ========== 卡片列表 ========== */
.card-list { padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; }
.card-item {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 20px; transition: all var(--transition);
  background: var(--bg-white);
}
.card-item:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 12px rgba(22,119,255,0.08);
}
.card-item-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; margin-bottom: 10px; flex-wrap: wrap;
}
.card-item-title {
  font-size: 14px; font-weight: 600; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.card-item-desc {
  font-size: 13px; color: var(--text-secondary);
  line-height: 1.6; margin-bottom: 10px;
}
.card-item-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 12px; color: var(--text-muted); flex-wrap: wrap;
}
.card-item-actions {
  display: flex; align-items: center; gap: 6px; flex-shrink: 0;
}

/* ========== 弹窗 ========== */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.45); z-index: 500;
  align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--bg-white); border-radius: var(--radius-lg);
  width: 520px; max-width: 92vw; max-height: 80vh;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2); overflow: hidden;
  display: flex; flex-direction: column;
}
.modal-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 15px; font-weight: 600;
}
.modal-close {
  background: none; border: none; cursor: pointer;
  font-size: 18px; color: var(--text-muted);
  padding: 4px 8px; border-radius: var(--radius);
  line-height: 1; transition: all var(--transition);
}
.modal-close:hover { background: #fff2f0; color: var(--danger); }
.modal-body {
  padding: 20px; overflow-y: auto; flex: 1;
  display: flex; flex-direction: column; gap: 14px;
}
.modal-body label {
  font-size: 13px; font-weight: 500; color: var(--text);
}
.modal-body input, .modal-body textarea, .modal-body select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 13px; font-family: inherit;
  outline: none; transition: border var(--transition);
}
.modal-body input:focus, .modal-body textarea:focus, .modal-body select:focus {
  border-color: var(--primary);
}
.modal-body textarea { resize: vertical; min-height: 80px; }

/* ========== 分页 ========== */
.pagination {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 8px; padding: 12px 20px; font-size: 13px; color: var(--text-secondary);
}
.pagination span { color: var(--text-muted); }

/* ========== 空状态 ========== */
.empty-state {
  text-align: center; padding: 48px 20px; color: var(--text-muted);
}
.empty-state i { font-size: 40px; display: block; margin-bottom: 12px; }

/* ========== 上传区域 ========== */
.drop-zone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 24px; text-align: center; cursor: pointer;
  background: #fafbfc; transition: all var(--transition);
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--primary); background: #e6f4ff;
}
.drop-zone i { font-size: 36px; color: var(--text-muted); margin-bottom: 8px; }

/* ========== 文件列表 ========== */
.file-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border: 1px solid var(--border-light);
  border-radius: var(--radius); margin-bottom: 6px;
}
.file-item:hover { border-color: var(--primary); background: #fafbfc; }
.file-icon { font-size: 22px; color: var(--text-muted); flex-shrink: 0; }
.file-info { flex: 1; min-width: 0; }
.file-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ========== 页脚 ========== */
.page-footer {
  text-align: center; padding: 16px; color: var(--text-muted);
  font-size: 12px; margin-top: auto;
}

/* ========== 打印 ========== */
@media print {
  .sidebar, .topbar, .toolbar, .btn, .modal-overlay,
  .tab-item, .card-item-actions, .page-footer, .pagination { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .page-header { border: none; padding: 0 0 10px; }
  .page-body { padding: 0; }
  .data-table th, .data-table td { border: 1px solid #ccc; }
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .menu-btn { display: flex; }
  .stat-cards { grid-template-columns: 1fr 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar-left, .toolbar-right { flex-wrap: wrap; }
  .search-input { width: 100%; }
  .page-body { padding: 14px 12px; }
  .page-header { padding: 14px 12px; }
}
@media (max-width: 480px) {
  .stat-cards { grid-template-columns: 1fr; }
  .card-item-header { flex-direction: column; }
}