:root {
  color-scheme: light;
  --sit-sidecar-width: 420px;
}

.sit-dms-page {
  background: var(--bg-shell);
}

.sit-sidebar .sidebar-brand {
  gap: 8px;
}

.sit-sidebar-search {
  margin: 4px 12px 8px;
  height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.sit-sidebar-search .dms-icon {
  width: 16px;
  height: 16px;
}

.sit-sidebar-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.sit-sidebar .menu-item {
  min-height: 36px;
  padding-left: calc(40px + var(--sit-menu-depth, 0) * 14px);
  padding-top: 8px;
  padding-bottom: 8px;
}

.sit-sidebar .menu-item .menu-subtitle {
  display: none;
}

.sit-sidebar .menu-item .menu-label {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 20px;
}

.sit-sidebar .menu-group-title {
  min-height: 40px;
  padding-left: calc(16px + var(--sit-menu-depth, 0) * 14px);
  padding-right: 12px;
}

.sit-sidebar .menu-group-title > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sit-sidebar .menu-item.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-color);
  border-left-color: var(--sidebar-active-bar);
}

.sit-sidebar .menu-item.active .icon {
  color: var(--sidebar-active-color);
}

.sit-sidebar .menu-group .menu-group {
  margin-bottom: 0;
}

.sit-sidebar .menu-group .menu-group-title {
  color: var(--text-secondary);
}

.sit-sidebar > .menu-group > .menu-group-title {
  color: var(--text-primary);
}

.sit-sidebar .menu-group-title .icon {
  color: currentColor;
}

.sit-breadcrumb-text {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sit-topbar-tools .topbar-icon {
  text-decoration: none;
}

.sit-content {
  height: calc(100vh - 56px);
  padding: 0;
  overflow: hidden;
}

.sit-workspace {
  height: 100%;
  display: grid;
  grid-template-columns: minmax(620px, 1fr) 8px minmax(320px, var(--sit-sidecar-width));
  gap: 0;
  overflow: hidden;
  background: var(--bg-shell);
}

.sit-stage {
  min-width: 0;
  height: 100%;
  overflow: auto;
  padding: var(--space-md) var(--space-lg) var(--space-xl);
  background: var(--bg-shell);
}

.sit-splitter {
  position: relative;
  width: 8px;
  height: 100%;
  cursor: col-resize;
  touch-action: none;
  background: var(--bg-shell);
  outline: 0;
  z-index: 3;
}

.sit-splitter::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 3px;
  width: 1px;
  background: var(--border-light);
  transition: background 0.15s, left 0.15s, width 0.15s;
}

.sit-splitter:hover::after,
.sit-splitter:focus-visible::after,
body.sit-split-resizing .sit-splitter::after {
  left: 2px;
  width: 3px;
  background: var(--brand-primary);
}

body.sit-split-resizing {
  cursor: col-resize;
  user-select: none;
}

.sit-sidecar {
  min-width: 0;
  height: 100%;
  overflow: auto;
  background: var(--bg-card);
  border-left: 0;
  box-shadow: var(--shadow-sm);
}

.sit-sidecar-head {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0 var(--space-lg);
  border-bottom: 1px solid var(--border-light);
}

.sit-sidecar-head strong {
  min-width: 0;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sit-sidecar-body {
  padding: var(--space-lg);
}

.sit-context-tabs {
  display: flex;
  gap: var(--space-xs);
  min-height: 40px;
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
}

.sit-tab {
  height: 40px;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 0 var(--space-md);
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.sit-tab:hover {
  color: var(--brand-primary);
}

.sit-tab.active {
  color: var(--brand-primary);
  border-bottom-color: var(--brand-primary);
  font-weight: var(--font-weight-medium);
}

.sit-page-surface {
  min-width: 0;
}

.sit-page-head {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.sit-page-title h1 {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  line-height: 1.45;
  font-weight: var(--font-weight-semibold);
}

.sit-page-title p {
  margin-top: 4px;
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.sit-page-actions,
.sit-action-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.sit-btn {
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0 var(--space-md);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  text-decoration: none;
}

.sit-btn:hover {
  border-color: var(--func-blue);
  color: var(--func-blue);
}

.sit-btn.primary {
  border-color: var(--brand-primary);
  background: var(--brand-primary);
  color: var(--bg-card);
}

.sit-btn.primary:hover {
  border-color: var(--brand-primary-dark);
  background: var(--brand-primary-dark);
  color: var(--bg-card);
}

.sit-btn .dms-icon {
  width: 16px;
  height: 16px;
}

.sit-view-toggle {
  height: 32px;
  display: inline-flex;
  align-items: center;
  padding: 2px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.sit-segment {
  height: 26px;
  min-width: 64px;
  padding: 0 var(--space-sm);
  border: 0;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.sit-segment.active {
  background: var(--bg-card);
  color: var(--brand-primary);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-soft);
}

.sit-filter-section,
.sit-action-section,
.sit-table-section,
.sit-form-section,
.sit-report-section {
  margin-bottom: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.sit-filter-section,
.sit-form-section,
.sit-report-section {
  padding: var(--space-md) var(--space-lg);
}

.sit-filter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md) var(--space-lg);
}

.sit-form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md) var(--space-lg);
}

.sit-form-field {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.sit-form-field label {
  width: 94px;
  flex: 0 0 auto;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  text-align: right;
  white-space: nowrap;
}

.sit-form-field.required label::before {
  content: "*";
  margin-right: 2px;
  color: var(--brand-primary);
}

.sit-form-field input,
.sit-form-field select,
.sit-form-field textarea {
  width: 100%;
  min-width: 0;
  min-height: 32px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  padding: 0 var(--space-sm);
  outline: 0;
}

.sit-form-field textarea {
  min-height: 86px;
  padding: var(--space-sm);
  line-height: 1.65;
  resize: vertical;
}

.sit-form-field input:focus,
.sit-form-field select:focus,
.sit-form-field textarea:focus {
  border-color: var(--func-blue);
}

.sit-field-wide {
  grid-column: span 2;
}

.sit-field-full {
  grid-column: 1 / -1;
}

.sit-filter-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
}

.sit-action-section {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
}

.sit-action-hint {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

.sit-table-section {
  overflow: hidden;
}

.sit-replay-section {
  min-height: calc(100vh - 178px);
  overflow: hidden;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.sit-replay-frame {
  width: 100%;
  min-height: calc(100vh - 180px);
  display: block;
  border: 0;
  background: var(--bg-card);
}

.sit-dom-section {
  min-height: 640px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.sit-dom-toolbar {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.sit-dom-toolbar span {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.sit-dom-frame {
  width: 100%;
  min-height: 720px;
  display: block;
  border: 0;
  background: var(--bg-card);
}

.sit-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.sit-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

.sit-table thead {
  background: var(--bg-table-header);
}

.sit-table th,
.sit-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-light);
  text-align: left;
  white-space: nowrap;
}

.sit-table tbody tr:hover {
  background: var(--bg-page);
}

.sit-table a,
.sit-row-link {
  color: var(--func-id-color);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}

.sit-table a:hover,
.sit-row-link:hover {
  color: var(--func-id-hover);
}

.sit-table .action-link {
  margin-right: var(--space-sm);
  color: var(--func-blue);
  cursor: pointer;
}

.sit-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  border-top: 1px solid var(--border-light);
}

.sit-pagination-pages {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.sit-pagination-pages span {
  min-width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.sit-pagination-pages .active {
  background: var(--brand-primary);
  color: var(--bg-card);
}

.sit-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.sit-kpi {
  min-height: 88px;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.sit-kpi span {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.sit-kpi strong {
  display: block;
  margin-top: var(--space-xs);
  color: var(--text-primary);
  font-size: var(--font-size-display);
  line-height: 1.2;
}

.sit-kpi em {
  display: block;
  margin-top: var(--space-xs);
  color: var(--success);
  font-size: var(--font-size-xs);
  font-style: normal;
}

.sit-chart-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.sit-chart-card {
  min-height: 240px;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.sit-chart-card h3 {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.sit-bars {
  display: grid;
  gap: var(--space-sm);
}

.sit-bar {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 42px;
  gap: var(--space-sm);
  align-items: center;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.sit-bar-track {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--border-light);
  overflow: hidden;
}

.sit-bar-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--func-blue);
}

.sit-sidecar-section {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-light);
}

.sit-sidecar-section:first-child {
  padding-top: 0;
}

.sit-sidecar-section:last-child {
  border-bottom: 0;
}

.sit-sidecar-section h3 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.sit-sidecar-section p,
.sit-sidecar-section li {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.75;
}

.sit-sidecar-section ul {
  padding-left: 18px;
}

.sit-info-list {
  display: grid;
  gap: var(--space-sm);
}

.sit-info-item {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: var(--space-sm);
  align-items: start;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.65;
}

.sit-info-item span {
  color: var(--text-tertiary);
}

.sit-info-item strong {
  min-width: 0;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  overflow-wrap: anywhere;
}

.sit-empty-state {
  min-height: 220px;
  display: grid;
  place-items: center;
  color: var(--text-secondary);
  text-align: center;
}

.sit-empty-row {
  min-height: 96px;
  display: grid;
  place-items: center;
  color: var(--text-tertiary);
}

.sit-missing-capture {
  min-height: 360px;
  padding: var(--space-2xl);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.sit-missing-capture h2 {
  margin: 0 0 var(--space-sm);
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.sit-missing-capture p {
  max-width: 640px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

.sit-missing-capture dl {
  display: grid;
  gap: var(--space-xs);
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}

.sit-missing-capture dl div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  border-top: 1px solid var(--border-soft);
}

.sit-missing-capture dt {
  color: var(--text-tertiary);
}

.sit-missing-capture dd {
  min-width: 0;
  margin: 0;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

@media (max-width: 1280px) {
  .sit-workspace {
    grid-template-columns: minmax(0, 1fr);
  }

  .sit-splitter,
  .sit-sidecar {
    display: none;
  }
}

@media (max-width: 980px) {
  .sit-filter-grid,
  .sit-form-grid,
  .sit-kpi-grid,
  .sit-chart-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .sit-stage {
    padding: var(--space-md);
  }

  .sit-page-head,
  .sit-action-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .sit-filter-grid,
  .sit-form-grid,
  .sit-kpi-grid,
  .sit-chart-grid {
    grid-template-columns: 1fr;
  }

  .sit-form-field {
    align-items: stretch;
    flex-direction: column;
    gap: 6px;
  }

  .sit-form-field label {
    width: auto;
    text-align: left;
  }
}