* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", Arial, sans-serif; background: #f3f5f9; color: #222; }
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #1f2937; color: #fff; padding: 20px; position: fixed; top: 0; left: 0; bottom: 0; overflow-y: auto; }
.sidebar h2 { margin-top: 0; font-size: 20px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 0; }
.sidebar-nav > a,
.sidebar-nav > details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.sidebar-nav > a:last-child { border-bottom: none; }
.sidebar a { color: #d1d5db; text-decoration: none; padding: 10px 12px; border-radius: 6px; display: block; }
.sidebar a.active, .sidebar a:hover { background: #374151; color: #fff; }
.sidebar-group { margin: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.sidebar-group-summary {
  list-style: none;
  cursor: pointer;
  color: #d1d5db;
  padding: 10px 12px;
  border-radius: 6px;
  user-select: none;
  font-size: 15px;
  position: relative;
  padding-left: 28px;
}
.sidebar-group-summary::-webkit-details-marker { display: none; }
.sidebar-group-summary::marker { content: ""; }
.sidebar-group-summary::before {
  content: "\25B6";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  opacity: 0.75;
  transition: transform 0.15s ease;
}
.sidebar-group[open] > .sidebar-group-summary::before {
  transform: translateY(-50%) rotate(90deg);
}
.sidebar-group-summary:hover,
.sidebar-group[open] > .sidebar-group-summary {
  background: #374151;
  color: #fff;
}
.sidebar-group:has(.sidebar-subnav a.active) > .sidebar-group-summary {
  background: #374151;
  color: #fff;
}
.sidebar-subnav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 0 6px 0;
  margin: 0 0 0 10px;
  border-left: 2px solid #4b5563;
}
.sidebar-subnav a {
  padding: 8px 10px 8px 14px;
  font-size: 13px;
  border-radius: 0 6px 6px 0;
}
.sidebar-subnav a.active,
.sidebar-subnav a:hover {
  background: #374151;
  color: #fff;
}
.content { margin-left: 240px; padding: 20px; width: calc(100% - 240px); }
.page-header { margin-bottom: 16px; }
.page-header h1 { margin: 0; font-size: 24px; }
.page-header p { margin: 4px 0 0; color: #666; }
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 12px; margin-bottom: 12px; }
.materials-table-card { overflow-x: auto; }
.grid-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.grid-cards .card h3 { margin: 0 0 8px; font-size: 14px; color: #666; }
.grid-cards .card p { margin: 0; font-size: 24px; font-weight: 700; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.list-total { text-align: right; font-size: 13px; color: #64748b; margin-bottom: 8px; }
.list-total-edge { margin-left: auto; font-size: 13px; color: #64748b; flex-shrink: 0; }
.card-title-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.card-title-row h3 { margin: 0; font-size: 16px; }
input, select, textarea { border: 1px solid #d1d5db; border-radius: 6px; padding: 8px; min-width: 120px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { border: 1px solid #e5e7eb; padding: 8px; text-align: left; vertical-align: top; }
tbody tr:hover { background: #f9fafb; }

/* 物料表：固定布局 + colgroup；正文字号比全局小 1px */
.muted-hint { margin: 0 0 12px; font-size: 13px; color: #64748b; }
.po-modal-wide { width: min(1100px, 98vw); }
.po-section { margin-bottom: 14px; }
.po-section h4 { margin: 0 0 8px; font-size: 14px; color: #374151; }
.po-lines-wrap { overflow-x: auto; max-width: 100%; }
.po-lines-table { font-size: 12px; min-width: 920px; }
.po-lines-table input { min-width: 0; width: 100%; box-sizing: border-box; }
.po-total-line { text-align: right; margin: 8px 0 0; font-size: 14px; }

#materials-table {
  table-layout: fixed;
  width: 100%;
  min-width: 1040px;
  font-size: 12px;
}
#materials-table thead th {
  text-align: center;
  vertical-align: middle;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: break-word;
  line-height: 1.25;
  padding: 6px 4px;
}
#materials-table col.mc-code { width: 3%; }
#materials-table col.mc-name { width: 6%; }
#materials-table col.mc-rev { width: 2%; }
#materials-table col.mc-spec { width: 12%; }
#materials-table col.mc-unit { width: 2%; }
#materials-table col.mc-cat { width: 4%; }
#materials-table col.mc-ptype { width: 4%; }
#materials-table col.mc-usage { width: 6%; }
#materials-table col.mc-mat { width: 5%; }
#materials-table col.mc-grade { width: 2%; }
#materials-table col.mc-supplier { width: 10%; }
#materials-table col.mc-link { width: 3%; }
#materials-table col.mc-status { width: 4%; }
#materials-table col.mc-active { width: 3%; }
#materials-table col.mc-stock { width: 4%; }
#materials-table col.mc-safe { width: 4%; }
#materials-table col.mc-price { width: 4%; }
#materials-table col.mc-tax { width: 4%; }
#materials-table col.mc-remark { width: 8%; }
#materials-table col.mc-actions { width: 6%; }

/* 名称（数据格）：过长省略；表头已在 thead th 中居中换行 */
#materials-table td:nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* 规格/图号：可换行 */
#materials-table td:nth-child(4) {
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
}
/* 单位、类型、状态（数据格）：单行 */
#materials-table td:nth-child(5),
#materials-table td:nth-child(7),
#materials-table td:nth-child(13),
#materials-table td:nth-child(14) {
  white-space: nowrap;
}
/* 长文本允许折行 */
#materials-table td:nth-child(6), #materials-table td:nth-child(8), #materials-table td:nth-child(11),
#materials-table td:nth-child(19) {
  word-break: break-word;
  overflow-wrap: break-word;
}

#materials-table th:nth-child(20), #materials-table td:nth-child(20) {
  min-width: 100px;
  padding: 4px 5px;
  vertical-align: middle;
}
#materials-table .material-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px 4px;
}
#materials-table .material-actions .btn.sm {
  width: 100%;
  margin: 0;
  padding: 2px 2px;
  font-size: 10px;
  line-height: 1.3;
  text-align: center;
  box-sizing: border-box;
}
.materials-batch-bar { margin-bottom: 8px; align-items: center; }
#materials-table input.me-input,
#materials-table textarea.me-input {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 4px 6px;
  font-size: 12px;
  margin: 0;
  vertical-align: middle;
}
#materials-table textarea.me-input {
  min-height: 40px;
  resize: vertical;
  display: block;
}
#materials-table td:has(.me-input) {
  overflow: visible;
  white-space: normal;
}
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.btn { border: 1px solid #9ca3af; background: #fff; color: #111827; padding: 6px 10px; border-radius: 6px; cursor: pointer; text-decoration: none; display: inline-block; }
.btn.primary { background: #2563eb; border-color: #2563eb; color: #fff; }
.btn.sm { padding: 2px 6px; font-size: 12px; }
.tag { padding: 2px 6px; border-radius: 999px; font-size: 12px; }
.tag.draft { background: #fef3c7; color: #92400e; }
.tag.released { background: #dcfce7; color: #166534; }
.tag.obsolete { background: #fee2e2; color: #991b1b; }
.tag.current { background: #dbeafe; color: #1d4ed8; }
.msg { padding: 8px; margin: 8px 0; min-height: 18px; }
.msg.ok { color: #166534; }
.msg.err { color: #991b1b; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.3); display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal.hidden { display: none; }
.modal-body { width: min(980px, 95vw); max-height: 90vh; overflow: auto; background: #fff; border-radius: 8px; padding: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid .form-block { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.form-grid .form-block .form-block-title { color: #111827; }
.checkbox-group { display: flex; gap: 10px; flex-wrap: wrap; padding: 6px 0; }
.checkbox-group label { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; }
.checkbox-group input[type="checkbox"] { min-width: 0; width: 14px; height: 14px; padding: 0; margin: 0; }
.scroll-checkbox-list {
  display: block;
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 8px;
  background: #fafafa;
}
.scroll-checkbox-list label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 6px 0;
  white-space: nowrap;
  line-height: 1.2;
}
.scroll-checkbox-list label:last-child { margin-bottom: 0; }
.po-invoice-list { list-style: none; padding: 0; margin: 0; }
.po-invoice-li { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0; padding: 8px; background: #fafafa; border-radius: 6px; border: 1px solid #e5e7eb; }
.po-invoice-no { font-weight: 600; }

/* 采购订单列表 — 状态标签 */
.po-status-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.po-st-draft { background: #e5e7eb; color: #374151; }
.po-st-sent { background: #bfdbfe; color: #1e3a8a; }
.po-st-confirmed { background: #a7f3d0; color: #064e3b; }
.po-st-partial_received { background: #fde68a; color: #78350f; }
.po-st-received { background: #a5f3fc; color: #155e75; }
.po-st-closed { background: #e7e5e4; color: #57534e; }
.po-st-unknown { background: #f3f4f6; color: #4b5563; }

.po-pay-unpaid { background: #fef3c7; color: #92400e; }
.po-pay-partial { background: #dbeafe; color: #1e40af; }
.po-pay-paid { background: #d1fae5; color: #065f46; }
.po-pay-unknown { background: #f3f4f6; color: #4b5563; }

.po-due-muted {
  color: #6b7280;
  font-size: 13px;
}
.po-due-overdue {
  background: #fee2e2 !important;
  color: #991b1b;
  font-weight: 600;
}
.po-due-today {
  background: #ffedd5 !important;
  color: #9a3412;
  font-weight: 600;
}
.po-due-soon {
  background: #fef9c3 !important;
  color: #854d0e;
}
.po-due-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  background: #dc2626;
  color: #fff;
  margin-right: 6px;
  vertical-align: middle;
  letter-spacing: 0.02em;
}
.po-due-pill-today {
  background: #ea580c;
}

.po-status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.po-status-row select {
  flex: 1;
  min-width: 200px;
}

/* 采购入库 — 当前已加载明细的订单行 */
#pr_order_tbody tr.pr-row-active {
  background: #eff6ff;
  outline: 2px solid #93c5fd;
  outline-offset: -2px;
}

/* 采购发票列表 — 开票状态 */
.pi-inv-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  vertical-align: middle;
}
.pi-inv-none {
  background: #fef3c7;
  color: #92400e;
}
.pi-inv-yes {
  background: #d1fae5;
  color: #065f46;
}

@media (max-width: 1280px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 侧边栏底部的当前登录用户 */
.sidebar-account {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.sidebar-account-name { color: #f9fafb; font-size: 14px; font-weight: 600; }
.sidebar-account-role { color: #9ca3af; font-size: 12px; margin-top: 2px; }
.sidebar-account-links { display: flex; gap: 12px; margin-top: 8px; }
.sidebar-account-links a {
  color: #9ca3af;
  font-size: 12px;
  padding: 0;
  display: inline;
  border-radius: 0;
}
.sidebar-account-links a:hover { background: none; color: #fff; text-decoration: underline; }