:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --line: #d9dee7;
  --text: #1f2937;
  --muted: #667085;
  --primary: #126c6a;
  --primary-dark: #0f5553;
  --danger: #b42318;
  --success: #067647;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 28px;
}

.user-menu {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.user-menu form {
  margin: 0;
}

.language-switch {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 4px;
}

.button.active {
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 700;
}

.user-menu span {
  color: var(--muted);
  font-weight: 600;
}

.topbar h1,
.topbar p {
  margin: 0;
}

.topbar h1 {
  font-size: 22px;
}

.topbar p {
  color: var(--muted);
  margin-top: 4px;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar nav a,
.button {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  background: var(--surface);
  font: inherit;
  cursor: pointer;
}

.button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.button.primary:hover {
  background: var(--primary-dark);
  text-decoration: none;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.page-head h2,
.page-head p {
  margin: 0;
}

.page-head p {
  color: var(--muted);
  margin-top: 4px;
}

.filters,
.form-grid,
.panel,
.auth-panel,
.duplicate-box,
.detail-grid {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 18px;
}

.auth-panel {
  max-width: 520px;
  margin: 40px auto;
}

.auth-panel h2 {
  margin: 0 0 16px;
}

.filters,
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 600;
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 38px;
  padding: 8px 10px;
  width: 100%;
}

input[type="checkbox"] {
  min-height: auto;
  width: auto;
}

textarea {
  resize: vertical;
}

.wide {
  grid-column: 1 / -1;
}

.actions {
  display: flex;
  gap: 10px;
}

.actions-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  white-space: normal;
}

.actions-cell form,
.inline-form {
  display: contents;
}

.stack-form {
  display: grid;
  gap: 8px;
  min-width: 220px;
}

.role-select {
  min-width: 180px;
}

.muted-row {
  background: #f2f4f7;
  color: var(--muted);
}

.muted-row input,
.muted-row select {
  color: var(--muted);
}

.readonly-text {
  color: var(--text);
  min-height: 38px;
  display: flex;
  align-items: center;
}

.compact-table th,
.compact-table td {
  padding: 9px 10px;
}

.filename-cell {
  display: inline-block;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: top;
  white-space: nowrap;
}

.checkbox-row {
  align-items: center;
  color: var(--text);
  display: flex;
  font-weight: 400;
  gap: 8px;
}

.checkbox-row.compact {
  font-size: 13px;
  margin: 4px 0;
}

.messages {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.message {
  border-radius: 6px;
  padding: 10px 12px;
}

.message.error {
  background: #fef3f2;
  color: var(--danger);
}

.message.success {
  background: #ecfdf3;
  color: var(--success);
}

.message.warning {
  background: #fffaeb;
  color: #b54708;
}

small {
  color: var(--muted);
  font-weight: 400;
  min-height: 18px;
}

.duplicate-box {
  border-color: #fda29b;
  background: #fffbfa;
}

.duplicate-detail {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 12px 0;
}

.duplicate-detail div {
  border-bottom: 1px solid #fedf89;
  padding-bottom: 6px;
}

.duplicate-detail dt {
  color: var(--muted);
  font-size: 13px;
}

.duplicate-detail dd {
  color: var(--text);
  font-weight: 600;
  margin: 4px 0 0;
}

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

th {
  background: #eef2f6;
  color: #344054;
  font-size: 13px;
}

.empty {
  color: var(--muted);
  text-align: center;
}

.status {
  background: #e7f4f2;
  border-radius: 999px;
  color: var(--primary-dark);
  display: inline-block;
  padding: 3px 9px;
}

.metric-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 18px;
}

.metric {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  display: grid;
  gap: 8px;
  min-height: 92px;
  padding: 14px;
}

.metric:hover {
  border-color: var(--primary);
  text-decoration: none;
}

.metric span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.metric strong {
  font-size: 28px;
}

.inline-select-form {
  margin: 0;
  min-width: 160px;
}

.reason-cell {
  max-width: 360px;
  white-space: normal;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.detail-grid div {
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.detail-grid span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  margin-bottom: 4px;
}

.detail-grid strong {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.panel h3 {
  margin: 0 0 14px;
}

.record-list {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.record-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.record-card p {
  color: var(--muted);
  margin: 8px 0 0;
  overflow-wrap: anywhere;
}

.record-card-head {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.detail-grid.compact {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  margin-top: 12px;
}

.actions,
.inline-form {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.actions form {
  margin: 0;
}

.two-column {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.measurement-request-layout {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 55fr) minmax(280px, 45fr);
  margin-top: 14px;
}

.measurement-request-summary,
.measurement-request-task-panel {
  min-width: 0;
}

.measurement-request-task-panel {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.measurement-create-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.review-action-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.review-action-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 16px;
}

.review-action-card.approve {
  background: #ecfdf3;
  border-color: #75c79a;
}

.review-action-card.return {
  background: #fff1f0;
  border-color: #f1998e;
}

.review-action-card h4 {
  font-size: 20px;
  margin: 0;
}

.review-action-card label {
  display: grid;
  gap: 6px;
}

.review-action-card input,
.review-action-card textarea {
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  min-height: 44px;
  padding: 10px;
}

.review-main-button,
.review-return-button {
  font-size: 18px;
  min-height: 56px;
  width: 100%;
}

.review-return-button {
  background: #b42318;
  border-color: #b42318;
  color: #fff;
}

.topbar nav {
  flex-wrap: wrap;
}

.form-note {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 12px;
}

@media (max-width: 720px) {
  .topbar,
  .page-head {
    align-items: stretch;
    flex-direction: column;
  }

  .container {
    padding: 16px;
  }

  th,
  td {
    white-space: normal;
  }

  .measurement-request-layout,
  .measurement-create-form,
  .review-action-grid {
    grid-template-columns: 1fr;
  }
}