/* 公共样式 - 喷涂ERP */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: #f0f2f5; color: #333; }
:root { --primary: #6366f1; --primary-dark: #4338ca; --sidebar-bg: #1f2537; --border: #e2e8f0; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }
#sidebar { width: 220px; background: var(--sidebar-bg); color: #fff; position: fixed; top: 0; bottom: 0; left: 0; display: flex; flex-direction: column; z-index: 100; }
.sidebar-header { padding: 20px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar-header h1 { font-size: 18px; font-weight: 700; }
.sidebar-header small { color: #8b93a7; font-size: 12px; }
.nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.nav-item { display: flex; align-items: center; gap: 8px; padding: 10px 20px; color: #c8cede; text-decoration: none; font-size: 14px; transition: .15s; }
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: rgba(99,102,241,.2); color: #fff; border-left: 3px solid var(--primary); padding-left: 17px; }
.nav-item .icon { font-size: 16px; }
.nav-group-wrap .nav-group { padding: 16px 20px 6px; font-size: 11px; font-weight: 600; color: #6b7280; text-transform: uppercase; letter-spacing: 0.5px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; user-select: none; transition: color .15s; }
.nav-group-wrap .nav-group:hover { color: #9ca3af; }
.nav-group-wrap .nav-caret { font-size: 10px; transition: transform .15s; }
.nav-group-wrap.collapsed .nav-group-items { display: none; }
.nav-group-wrap.collapsed .nav-caret { transform: rotate(-90deg); }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.1); }
.btn-logout { width: 100%; padding: 8px; background: rgba(239,68,68,.15); color: #f87171; border: none; border-radius: 6px; cursor: pointer; font-size: 13px; }
.btn-logout:hover { background: rgba(239,68,68,.25); }

.main { flex: 1; margin-left: 220px; padding: 24px 32px; }
.page-header { margin-bottom: 24px; display: flex; justify-content: space-between; align-items: center; }
.page-header h2 { font-size: 22px; font-weight: 600; }

/* 卡片 */
.card { background: #fff; border-radius: 12px; padding: 24px; margin-bottom: 20px; box-shadow: 0 1px 3px rgba(0,0,0,.06); border: 1px solid var(--border); }

/* 信息展示（详情页描述列表） */
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px 28px; }
.info-item { display: flex; align-items: baseline; font-size: 14px; min-width: 0; }
.info-item label { color: #64748b; white-space: nowrap; flex-shrink: 0; margin-right: 2px; }
.info-item label::after { content: '：'; }
.info-item span { color: #0f172a; word-break: break-all; }

/* 表格 */
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { background: #f8fafc; color: #64748b; font-weight: 600; padding: 12px 14px; text-align: left; border-bottom: 2px solid var(--border); white-space: nowrap; }
table.data th.text-right { text-align: right; }
table.data td { padding: 10px 14px; border-bottom: 1px solid #f1f5f9; }
table.data tr:hover td { background: #f8f9ff; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mono { font-family: 'JetBrains Mono', monospace; font-size: 13px; }
.tag { padding: 2px 10px; border-radius: 10px; font-size: 12px; font-weight: 500; display: inline-block; }
.tag.green { background: #dcfce7; color: #16a34a; }
.tag.orange { background: #fef3c7; color: #d97706; }
.tag.blue { background: #dbeafe; color: #2563eb; }
.tag.red { background: #fee2e2; color: #dc2626; }
.tag.gray { background: #f1f5f9; color: #64748b; }

/* 按钮 */
.btn { padding: 8px 16px; border: none; border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 500; transition: .15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #f1f5f9; color: #475569; }
.btn-secondary:hover { background: #e2e8f0; }
.btn-danger { background: #fee2e2; color: #dc2626; }
.btn-danger:hover { background: #fecaca; }
.btn-sm { padding: 4px 12px; font-size: 13px; }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; color: #475569; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* 搜索栏 */
.search-bar { display: flex; gap: 12px; margin-bottom: 16px; align-items: center; }
.search-bar input { flex: 1; max-width: 300px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.search-bar select { padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; background: #fff; }

/* 模态框 */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); display: none; justify-content: center; align-items: center; z-index: 1000; }
.modal-overlay.show { display: flex; }
.modal { background: #fff; border-radius: 12px; padding: 28px; width: 560px; max-width: 90vw; max-height: 90vh; overflow-y: auto; }
.modal h3 { font-size: 18px; margin-bottom: 20px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; }

/* 分页 */
.pagination { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 16px; }
.pagination button { padding: 6px 16px; border: 1px solid var(--border); background: #fff; border-radius: 6px; cursor: pointer; font-size: 13px; }
.pagination button:hover { background: #f8fafc; }
.pagination .page-info { font-size: 13px; color: #64748b; }

/* 空状态 */
.empty { text-align: center; padding: 40px; color: #94a3b8; }

/* Tab 切换 */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 16px; }
.tabs .tab { padding: 10px 20px; font-size: 14px; font-weight: 500; color: #64748b; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all .15s; user-select: none; }
.tabs .tab:hover { color: #334155; background: #f8fafc; }
.tabs .tab.active { color: var(--primary); border-bottom-color: var(--primary); background: transparent; }

/* 可搜索下拉选择器（用于物料等大数据量选择，替代原生 select） */
.ss-box { position: relative; display: inline-block; vertical-align: top; }
.ss-input { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 6px; background: #fff; cursor: pointer; overflow: hidden; }
.ss-input:hover { border-color: #cbd5e1; }
.ss-input .ss-text { flex: 1; padding: 6px 10px; font-size: 13px; color: #334155; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ss-input .ss-text.placeholder { color: #94a3b8; }
.ss-input .ss-caret { padding: 0 8px; color: #94a3b8; font-size: 11px; }
.ss-panel { position: absolute; top: calc(100% + 4px); left: 0; min-width: 320px; max-width: 460px; background: #fff; border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.12); z-index: 9999; display: none; }
.ss-panel.open { display: block; }
.ss-head { padding: 8px; border-bottom: 1px solid #f1f5f9; display: flex; gap: 6px; }
.ss-head input { flex: 1; padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.ss-head select { padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; background: #fff; }
.ss-list { max-height: 240px; overflow-y: auto; }
.ss-item { padding: 8px 12px; font-size: 13px; color: #334155; cursor: pointer; border-bottom: 1px solid #f8fafc; }
.ss-item:hover, .ss-item.hover { background: #f8f9ff; }
.ss-item .ss-name { font-weight: 500; }
.ss-item .ss-sub { font-size: 12px; color: #94a3b8; }
.ss-item .ss-cat { float: right; font-size: 11px; color: #667eea; }
.ss-empty { padding: 16px; text-align: center; color: #94a3b8; font-size: 13px; }

/* 登录页 */
.login-wrapper { display: flex; justify-content: center; align-items: center; min-height: 100vh; background: linear-gradient(135deg, #1e293b, #0f172a); }
.login-box { background: #fff; border-radius: 16px; padding: 40px; width: 380px; }
.login-box h1 { font-size: 24px; text-align: center; margin-bottom: 8px; }
.login-box .sub { text-align: center; color: #94a3b8; font-size: 14px; margin-bottom: 28px; }

@media (max-width: 768px) {
  #sidebar { width: 60px; }
  .sidebar-header h1, .nav-item span:not(.icon), .sidebar-footer { display: none; }
  .nav-item { justify-content: center; }
  .main { margin-left: 60px; padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
}