:root {
  --dm-bg: #f8fafc;
  --dm-panel: #ffffff;
  --dm-panel-soft: #fbfdff;
  --dm-panel-elevated: rgba(255, 255, 255, 0.96);
  --dm-border: #e5e7eb;
  --dm-border-strong: #cbd5e1;
  --dm-text: #111827;
  --dm-muted: #6b7280;
  --dm-accent: #2563eb;
  --dm-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --dm-toolbar-bg: rgba(255, 255, 255, 0.96);
  --dm-footer-bg: rgba(255, 255, 255, 0.96);
  --dm-btn-bg: #ffffff;
  --dm-btn-hover-bg: #f8fafc;
  --dm-loaded-file-bg: #ffffff;

  --dm-chip-bg: #ffffff;
  --dm-chip-bg-nested: #f8fafc;
  --dm-chip-border: #dbe3ef;
  --dm-chip-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);

  --dm-icon-bg: #ffffff;
  --dm-icon-border: #dbe3ef;
  --dm-icon-hover-bg: #f8fbff;
  --dm-icon-hover-border: #bfdbfe;
  --dm-icon-has-bg: #eff6ff;
  --dm-icon-has-border: #bfdbfe;

  --dm-port-bg: #ffffff;
  --dm-port-ring: rgba(255,255,255,0.96);

  --dm-rel-label-bg: rgba(255,255,255,0.98);
  --dm-rel-label-border: #cbd5e1;

  --dm-segment-w: 760px;
  --dm-segment-gap: 22px;
  --dm-footer-h: 92px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--dm-text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

body:not(.bg-paper):not(.bg-white) {
  background: var(--dm-bg);
}

body.bg-white {
  --dm-bg: #f8fafc;
  --dm-panel: #ffffff;
  --dm-panel-soft: #fbfdff;
  --dm-panel-elevated: rgba(255, 255, 255, 0.96);
  --dm-border: #e5e7eb;
  --dm-border-strong: #cbd5e1;
  --dm-text: #111827;
  --dm-muted: #6b7280;
  --dm-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --dm-toolbar-bg: rgba(255, 255, 255, 0.96);
  --dm-footer-bg: rgba(255, 255, 255, 0.96);
  --dm-btn-bg: #ffffff;
  --dm-btn-hover-bg: #f8fafc;
  --dm-loaded-file-bg: #ffffff;
}

body.bg-paper {
  --dm-bg: #efe6d4;
  --dm-panel: #fbf5ea;
  --dm-panel-soft: #f7efdf;
  --dm-panel-elevated: rgba(248, 240, 225, 0.96);
  --dm-border: #dccfb8;
  --dm-border-strong: #cdbd9f;
  --dm-text: #2e2a24;
  --dm-muted: #6f6557;
  --dm-shadow: 0 10px 24px rgba(105, 85, 45, 0.10);
  --dm-toolbar-bg: rgba(245, 236, 220, 0.94);
  --dm-footer-bg: rgba(245, 236, 220, 0.94);
  --dm-btn-bg: #f9f1e3;
  --dm-btn-hover-bg: #f4ead9;
  --dm-loaded-file-bg: #f8efdf;

  --dm-chip-bg: #fcf4e6;
  --dm-chip-bg-nested: #f5ead7;
  --dm-chip-border: #ddcfb6;
  --dm-chip-shadow: 0 1px 3px rgba(122, 97, 51, 0.06);

  --dm-icon-bg: #f8efdf;
  --dm-icon-border: #ddcfb6;
  --dm-icon-hover-bg: #f4ead9;
  --dm-icon-hover-border: #ccb993;
  --dm-icon-has-bg: #e9deca;
  --dm-icon-has-border: #ccb993;

  --dm-port-bg: #fbf3e4;
  --dm-port-ring: rgba(248, 240, 225, 0.98);

  --dm-rel-label-bg: rgba(251, 243, 228, 0.98);
  --dm-rel-label-border: #d3c2a3;
}

#toolbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1400;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 72px;
  padding: 14px 18px;
  box-sizing: border-box;
  background: var(--dm-toolbar-bg);
  border-bottom: 1px solid var(--dm-border);
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(10px);
}

#toolbar .nav-left {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

#toolbar .tab-bar {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
}

#toolbar .tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 0 4px;
}

#toolbar .tab-button {
  margin: 0;
}

#toolbar .nav-right,
#toolbar .dm-toolbar-right {
  flex: 0 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 8px;
}

.dm-page {
  max-width: 1540px;
  margin: 0 auto;
  padding: calc(var(--toolbar-h, 72px) + 18px) 18px calc(var(--dm-footer-h, 96px) + 18px);
}

.dm-page-meta {
  display: none;
}

.dm-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  transition: grid-template-columns .22s ease, gap .22s ease;
}

.dm-layout.is-sidebar-collapsed {
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
}


.dm-sidebar-col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: sticky;
  top: calc(var(--toolbar-h, 72px) + 18px);
  align-self: start;
}

.dm-sidebar-toggle-wrap {
  position: static;
  z-index: 6;
  padding-right: 22px;
  box-sizing: border-box;
}

.dm-sidebar {
  position: static;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  max-height: calc(100vh - var(--toolbar-h, 72px) - var(--dm-footer-h, 92px) - 54px);
  overflow: auto;
  overscroll-behavior: contain;
  padding-right: 4px;
  scrollbar-gutter: stable;
}


.dm-sidebar-toggle-btn {
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--dm-border);
  background: var(--dm-panel-elevated);
  box-shadow: var(--dm-shadow);
  color: #334155;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: width .22s ease, padding .22s ease, background .15s ease, border-color .15s ease;
}

.dm-sidebar-toggle-btn:hover {
  border-color: #bfdbfe;
  background: #f8fbff;
}

.dm-sidebar-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  flex: 0 0 auto;
  color: #1d4ed8;
  font-size: 0.95rem;
}

.dm-sidebar-toggle-text {
  white-space: nowrap;
}

.dm-layout.is-sidebar-collapsed .dm-sidebar {
  display: none;
}

.dm-layout.is-sidebar-collapsed .dm-sidebar-toggle-btn {
  width: 58px;
  padding: 0;
  justify-content: center;
}

.dm-layout.is-sidebar-collapsed .dm-sidebar-toggle-text {
  display: none;
}

.dm-main {
  min-width: 0;
}

.dm-loaded-file {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 1 auto;
  min-width: 0;
  max-width: min(42vw, 520px);
  padding: 8px 14px;
  border: 1px solid var(--dm-border);
  border-radius: 12px;
  background: var(--dm-loaded-file-bg);
  color: var(--dm-muted);
  font-size: 0.92rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.dm-loaded-file strong {
  color: var(--dm-text);
  font-weight: 600;
  display: inline-block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dm-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 20px;
  align-items: end;
  background: var(--dm-panel);
  border: 1px solid var(--dm-border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--dm-shadow);
}

.dm-control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dm-control-group label {
  font-size: 0.9rem;
  color: var(--dm-muted);
  font-weight: 600;
}

.dm-control-group select {
  min-width: 260px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--dm-border);
  background: #fff;
  font: inherit;
}

.dm-checkboxes {
  flex-direction: row;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 22px;
}

.dm-checkboxes label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--dm-text);
  font-weight: 500;
}

.dm-btn {
  height: 42px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--dm-border);
  background: var(--dm-btn-bg);
  color: var(--dm-text);
  cursor: pointer;
  font: inherit;
}

.dm-btn:hover {
  border-color: var(--dm-border-strong);
  background: var(--dm-btn-hover-bg);
}

#dm-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1300;
  background: var(--dm-footer-bg);
  border-top: 1px solid var(--dm-border);
  box-shadow: 0 -6px 16px rgba(0,0,0,.06);
  backdrop-filter: blur(10px);
  padding: 0.65rem 0.9rem;
  min-height: var(--dm-footer-h);
}

.dm-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  max-width: 1400px;
  margin: 0 auto;
}

.dm-footer-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dm-footer-group--select {
  min-width: 280px;
}

.dm-footer-group--select label {
  color: var(--dm-muted);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.dm-footer-group--select select {
  min-width: 240px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--dm-border);
  background: #fff;
  font: inherit;
}

.dm-footer-group--checks {
  flex: 1 1 auto;
  flex-wrap: wrap;
  gap: 14px;
}

.dm-footer-group--checks label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--dm-text);
  font-weight: 500;
  white-space: nowrap;
}

.dm-footer-group--bg {
  flex-wrap: nowrap;
  gap: 10px;
}

.dm-footer-mini-label {
  color: var(--dm-muted);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.dm-bg-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.dm-bg-btn {
  height: 38px;
  padding: 0 12px;
}

.dm-bg-btn.is-active,
.dm-bg-btn[aria-pressed="true"] {
  border-color: #93c5fd;
  background: #eff6ff;
  color: #1d4ed8;
}

.dm-footer-group--button {
  margin-left: auto;
}

.dm-side-card {
  background: var(--dm-panel);
  border: 1px solid var(--dm-border);
  border-radius: 18px;
  box-shadow: var(--dm-shadow);
  padding: 18px;
}

.dm-side-title {
  font-size: 1rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
}

.dm-side-subtitle {
  font-size: 0.9rem;
  font-weight: 700;
  color: #334155;
  margin: 16px 0 10px;
}

.dm-guide-list {
  display: grid;
  gap: 10px;
}

.dm-guide-item {
  color: #475569;
  line-height: 1.55;
  font-size: 0.94rem;
}

.dm-guide-item strong {
  color: #0f172a;
}

.dm-legend-list {
  display: grid;
  gap: 12px;
}

.dm-legend-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.dm-legend-label {
  color: #475569;
  font-size: 0.92rem;
  line-height: 1.5;
}

.dm-legend-label strong {
  color: #0f172a;
}

.dm-legend-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.82rem;
  font-weight: 700;
}

.dm-legend-node {
  width: 24px;
  height: 24px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
}

.dm-legend-node--segment {
  background: #f8fafc;
}

.dm-legend-line {
  position: relative;
  display: inline-block;
  width: 28px;
  height: 0;
  border-top: 4px solid #8ea1b8;
  margin-top: 12px;
}

.dm-legend-line::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -8px;
  border-left: 12px solid #8ea1b8;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
}

.dm-focus-placeholder {
  color: #475569;
  line-height: 1.6;
  font-size: 0.95rem;
}

.dm-focus-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.dm-focus-stat {
  border: 1px solid var(--dm-border);
  border-radius: 14px;
  padding: 12px 10px;
  background: var(--dm-panel-soft);
  text-align: center;
}

.dm-focus-stat strong {
  display: block;
  font-size: 1.2rem;
  color: #0f172a;
  margin-bottom: 4px;
}

.dm-focus-stat span {
  color: #64748b;
  font-size: 0.82rem;
}

.dm-focus-meta {
  display: grid;
  gap: 10px;
}

.dm-focus-meta-line {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.dm-focus-text {
  color: #334155;
  line-height: 1.6;
}

.dm-focus-note {
  margin-top: 12px;
  color: #475569;
  line-height: 1.55;
  font-size: 0.92rem;
}

.dm-focus-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.dm-focus-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--dm-border);
  background: var(--dm-panel);
  color: #334155;
  font-size: 0.84rem;
  font-weight: 600;
}

.dm-focus-section {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.dm-focus-tag-list {
  display: grid;
  gap: 10px;
}

.dm-focus-tag-item {
  border: 1px solid var(--dm-border);
  border-radius: 14px;
  background: var(--dm-panel);
  padding: 12px;
  display: grid;
  gap: 8px;
}

.dm-focus-tag-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.dm-focus-tag-text {
  color: #334155;
  line-height: 1.5;
  font-size: 0.93rem;
}

.dm-ann-text-wrap {
  display: flex;
  flex: 1 1 260px;
  min-width: 0;
  flex-direction: column;
  gap: 4px;
}

.dm-ann-text {
  color: #334155;
  min-width: 0;
  white-space: normal;
  overflow-wrap: anywhere;
}

.dm-ann-text-i18n {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.dm-focus-translation-block {
  display: grid;
  gap: 6px;
  margin-top: 6px;
}

.dm-focus-relation-card {
  border: 1px solid var(--dm-border);
  border-radius: 16px;
  background: var(--dm-panel);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.dm-focus-minihead {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #64748b;
}


.dm-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0 0 18px;
}

.dm-summary-box {
  background: var(--dm-panel);
  border: 1px solid var(--dm-border);
  border-radius: 14px;
  padding: 14px 18px;
  min-width: 180px;
  box-shadow: var(--dm-shadow);
}

.dm-summary-label {
  color: var(--dm-muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.dm-summary-value {
  font-size: 1.6rem;
  font-weight: 700;
}

.dm-canvas-wrap {
  position: relative;
  min-height: 600px;
  padding: 12px 0 60px;
  --dm-rel-lane: 260px;
}

.dm-relations-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  z-index: 5;
}

.dm-segments-column {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--dm-segment-gap);
  align-items: flex-start;
  padding-right: var(--dm-rel-lane);
  min-width: 0;
}


.dm-segment-card {
  position: relative;
  overflow: visible;
  width: min(calc(100% - var(--dm-rel-lane)), var(--dm-segment-w));
  background: var(--dm-panel);
  border: 1px solid var(--dm-border);
  border-radius: 18px;
  box-shadow: var(--dm-shadow);
  padding: 16px 18px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.dm-segment-card:hover {
  transform: translateY(-1px);
}

.dm-segment-card.is-active {
  border-color: #93c5fd;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12), var(--dm-shadow);
}

.dm-segment-card.is-dimmed {
  opacity: 0.62;
}

.dm-segment-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.dm-segment-meta-icons {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.dm-segment-id {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.86rem;
  font-weight: 600;
}

.dm-speaker {
  font-weight: 700;
}

.dm-segment-text {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

.dm-segment-translations {
  display: grid;
  gap: 6px;
  margin: -4px 0 12px;
}

.dm-translation-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: #475569;
  font-size: 0.93rem;
  line-height: 1.5;
}

.dm-tag-i18n-chip {
  border-color: var(--dm-border);
  background: rgba(255, 255, 255, 0.88);
  color: #475569;
  font-weight: 600;
}

.dm-tag-i18n-chip .tag-i18n-lang {
  margin-right: 4px;
  color: #1d4ed8;
  font-size: 0.74em;
  font-weight: 800;
}

body.bg-paper .dm-tag-i18n-chip {
  background: #f7eedf;
  border-color: #d7c7ab;
  color: #6f6557;
}

body.bg-paper .dm-tag-i18n-chip .tag-i18n-lang {
  color: #7a5a1e;
}

.dm-ann-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.dm-ann-chip {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  max-width: min(100%, 860px);
  border-radius: 16px;
  padding: 8px 66px 8px 10px;
  background: var(--dm-chip-bg);
  border: 1px solid var(--dm-chip-border);
  box-shadow: var(--dm-chip-shadow);
  font-size: 0.92rem;
  line-height: 1.35;
}

.dm-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid var(--dm-icon-border);
  background: var(--dm-icon-bg);
  color: #475569;
  cursor: pointer;
  font: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
}

.dm-icon-btn:hover {
  transform: translateY(-1px);
  border-color: var(--dm-icon-hover-border);
  background: var(--dm-icon-hover-bg);
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.08);
}

.dm-icon-btn.has-content {
  color: #1d4ed8;
  background: var(--dm-icon-has-bg);
  border-color: var(--dm-icon-has-border);
}

.dm-ann-rationale-btn {
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  font-size: 0.88rem;
  z-index: 3;
}

.dm-ann-port {
  position: absolute;
  right: 10px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: var(--dm-port-bg);
  border: 2px solid #94a3b8;
  box-shadow: 0 0 0 2px var(--dm-port-ring);
  z-index: 3;
  pointer-events: none;
}

.dm-ann-port.is-rel-hover {
  border-color: #1d4ed8;
  box-shadow:
    0 0 0 2px var(--dm-port-ring),
    0 0 0 5px rgba(37,99,235,0.18);
}

.dm-segment-card.is-active .dm-ann-port {
  border-color: #2563eb;
  box-shadow: 0 0 0 2px var(--dm-port-ring), 0 0 0 4px rgba(37,99,235,0.12);
}

.dm-ann-chip.is-muted {
  opacity: 0.45;
}

.dm-ann-chip.is-nested {
  background: var(--dm-chip-bg-nested);
}

.dm-ann-hierarchy-mark {
  color: #64748b;
  font-size: 0.92rem;
  font-weight: 700;
  margin-right: 2px;
  flex: 0 0 auto;
}

.dm-ann-chip.is-rel-hover {
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.14);
}

.dm-ann-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: #475569;
  font-size: 0.82rem;
  flex: 0 0 auto;
}

.dm-ann-type {
  font-weight: 700;
  flex: 0 0 auto;
}

.dm-ann-type.annotation-tag {
  max-width: 100%;
}


.dm-path {
  fill: none;
  stroke: #8ea1b8;
  stroke-width: 3.2;
  opacity: 0.92;
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: stroke;
  cursor: pointer;
}

.dm-path.is-active {
  stroke: #2563eb;
  stroke-width: 4.2;
  opacity: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
}


.dm-path.is-dimmed {
  opacity: 0.38;
}

.dm-path.is-rel-hover {
  stroke: #1d4ed8;
  stroke-width: 4.5;
  opacity: 1;
}

.dm-path.is-rel-selected {
  stroke: #1d4ed8;
  stroke-width: 5;
  opacity: 1;
}

.dm-path-label-group {
  pointer-events: auto;
  cursor: pointer;
}

.dm-path-label-bg {
  fill: var(--dm-rel-label-bg);
  stroke: var(--dm-rel-label-border);
  stroke-width: 1.1;
  transition: fill .15s ease, stroke .15s ease;
}

.dm-path-label {
  font-size: 13px;
  font-weight: 700;
  fill: #334155;
  letter-spacing: 0.01em;
  pointer-events: none;
  transition: fill .15s ease;
}

.dm-path-label-id {
  font-size: 11.5px;
  font-weight: 700;
  fill: #475569;
}

.dm-path-label-sep {
  fill: #94a3b8;
  font-weight: 700;
}

.dm-path-label-main {
  fill: #334155;
  font-weight: 700;
}

.dm-path-label-group.is-dimmed {
  opacity: 0.45;
}

.dm-path-label-group.is-rel-hover .dm-path-label-bg {
  fill: #eff6ff;
  stroke: #93c5fd;
}

.dm-path-label-group.is-rel-hover .dm-path-label {
  fill: #1d4ed8;
}

.dm-path-label-group.is-rel-selected .dm-path-label-id {
  fill: #475569;
}

.dm-path-label-group.is-rel-selected .dm-path-label-main {
  fill: #1e40af;
}

.dm-path-label-group.is-rel-selected .dm-path-label-bg {
  fill: #dbeafe;
  stroke: #60a5fa;
}

.dm-path-label-group.is-rel-selected .dm-path-label {
  fill: #1e40af;
}

.dm-path-label-group.is-rel-selected .dm-path-label-id,
.dm-path-label-group.is-rel-selected .dm-path-label-main {
  fill: #1e40af;
}

.dm-ann-chip.is-rel-selected {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.16);
}

.dm-ann-port.is-rel-selected {
  border-color: #1d4ed8;
  box-shadow:
    0 0 0 2px rgba(255,255,255,0.98),
    0 0 0 5px rgba(37,99,235,0.22);
}

.dm-path.is-intra {
  stroke-dasharray: 0;
}

.dm-path.is-inter {
  stroke-dasharray: 0;
}

.dm-readonly-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(4px);
}

.dm-readonly-modal.open {
  display: flex;
}

.dm-readonly-modal__dialog {
  width: min(760px, 100%);
  max-height: min(84vh, 920px);
  overflow: auto;
  background: var(--dm-panel);
  border: 1px solid var(--dm-border);
  border-radius: 22px;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.22);
}

.dm-readonly-modal__header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: var(--dm-panel-elevated);
  border-bottom: 1px solid var(--dm-border);
  backdrop-filter: blur(8px);
}

.dm-readonly-modal__title {
  font-size: 1.02rem;
  font-weight: 700;
  color: #0f172a;
}

.dm-readonly-modal__close {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid #dbe3ef;
  background: #fff;
  color: #475569;
  font-size: 1.25rem;
  cursor: pointer;
}

.dm-readonly-modal__body {
  padding: 22px;
  display: grid;
  gap: 18px;
}

.dm-readonly-meta {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid var(--dm-border);
  border-radius: 18px;
  background: var(--dm-panel-soft);
}

.dm-readonly-meta-line {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.dm-readonly-meta-line--wrap {
  align-items: flex-start;
}

.dm-readonly-meta-text {
  color: #334155;
  line-height: 1.6;
}

.dm-readonly-origin {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  color: #64748b;
  font-size: 0.92rem;
}

.dm-readonly-section {
  display: grid;
  gap: 12px;
}

.dm-readonly-section-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: #0f172a;
}

.dm-readonly-lang-grid {
  display: grid;
  gap: 12px;
}

.dm-readonly-lang-card {
  border: 1px solid var(--dm-border);
  border-radius: 16px;
  background: var(--dm-panel);
  padding: 14px 16px;
}

.dm-readonly-lang-head {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.dm-readonly-lang-body {
  color: #334155;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.dm-readonly-inline-note {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid var(--dm-border);
  background: var(--dm-panel);
  color: #334155;
  width: fit-content;
}

.dm-readonly-empty {
  color: #64748b;
  font-style: italic;
}

body.bg-paper #toolbar .tab-button.active {
  background: #f7eddb;
  border-color: #d7c7ab;
  box-shadow: none;
}

body.bg-paper .dm-loaded-file,
body.bg-paper .dm-sidebar-toggle-btn,
body.bg-paper .dm-btn,
body.bg-paper .dm-footer-group--select select {
  border-color: var(--dm-border);
}

body.bg-paper .dm-bg-btn.is-active,
body.bg-paper .dm-bg-btn[aria-pressed="true"] {
  background: #e8ddc7;
  border-color: #ccb993;
  color: #6b4e17;
}

body.bg-paper .dm-legend-chip {
  border-color: #ccb993;
  background: #efe3cc;
  color: #7a5a1e;
}

body.bg-paper .dm-legend-node {
  border-color: #d3c2a3;
  background: #f8efdf;
}

body.bg-paper .dm-legend-node--segment {
  background: #f4ead8;
}

body.bg-paper .dm-legend-line {
  border-top-color: #9f8d71;
}

body.bg-paper .dm-legend-line::after {
  border-left-color: #9f8d71;
}

.dm-footer-group--translations {
  position: relative;
  flex: 0 0 auto;
}

.dm-translations-menu-wrap {
  position: relative;
}

.dm-translations-menu-btn {
  white-space: nowrap;
}

.dm-translations-menu-btn.is-active,
.dm-translations-menu-btn[aria-pressed="true"] {
  border-color: #93c5fd;
  background: #eff6ff;
  color: #1d4ed8;
}

.dm-translations-menu-panel {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 1405;
  width: min(92vw, 360px);
  min-width: 320px;
  padding: 12px;
  border: 1px solid var(--dm-border);
  border-radius: 14px;
  background: var(--dm-panel-elevated);
  box-shadow: var(--dm-shadow);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  backdrop-filter: blur(10px);
}

.dm-translations-menu-panel[hidden] {
  display: none !important;
}

.dm-translations-item {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  width: 100%;
  gap: 10px;
  color: var(--dm-text);
  font-size: 0.93rem;
  line-height: 1.4;
  white-space: normal;
}

.dm-translations-item span {
  flex: 1 1 auto;
  min-width: 0;
}

.dm-translations-item input[type="checkbox"] {
  margin-top: 2px;
  flex: 0 0 auto;
}

@media (max-width: 900px) {
  .dm-page {
    padding: calc(var(--toolbar-h, 72px) + 14px) 14px calc(var(--dm-footer-h, 96px) + 82px);
  }

  #toolbar {
    gap: 12px;
    padding: 12px 14px;
  }

  .dm-segment-card {
    width: 100%;
  }

  .dm-layout,
  .dm-layout.is-sidebar-collapsed {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .dm-footer-group--relation-filter {
    width: 100%;
  }

  .dm-filter-menu-btn {
    width: 100%;
  }

  .dm-filter-menu-panel {
    left: auto;
    right: 0;
    width: min(92vw, 340px);
    min-width: 0;
  }

  .dm-sidebar-col {
    order: -1;
    position: static;
  }

  .dm-sidebar-toggle-wrap {
    position: static;
    padding-right: 0;
  }

  .dm-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .dm-layout.is-sidebar-collapsed .dm-sidebar {
    display: none;
  }

  .dm-layout.is-sidebar-collapsed .dm-sidebar-toggle-btn {
    width: 100%;
    padding: 0 14px;
    justify-content: flex-start;
  }

  .dm-layout.is-sidebar-collapsed .dm-sidebar-toggle-text {
    display: inline;
  }

  .dm-focus-stats {
    grid-template-columns: 1fr;
  }

  .dm-loaded-file {
    max-width: 52vw;
    font-size: 0.88rem;
    padding: 7px 12px;
  }

  #dm-footer {
    min-height: 132px;
  }

  .dm-footer-inner {
    gap: 12px;
  }

  .dm-footer-group--select,
  .dm-footer-group--checks,
  .dm-footer-group--bg {
    width: 100%;
  }

  .dm-footer-group--select select {
    min-width: 220px;
    width: 100%;
  }

  .dm-footer-group--button {
    margin-left: 0;
  }

    .dm-readonly-modal {
    padding: 12px;
  }

  .dm-readonly-modal__dialog {
    width: 100%;
    max-height: 88vh;
    border-radius: 18px;
  }

  .dm-readonly-modal__header,
  .dm-readonly-modal__body {
    padding: 16px;
  }

    .dm-footer-group--translations {
    width: 100%;
  }

  .dm-translations-menu-btn {
    width: 100%;
  }

.dm-translations-menu-panel {
  left: auto;
  right: 0;
  width: min(92vw, 360px);
  min-width: 0;
  }
}

.dm-footer-group--relation-filter {
  position: relative;
}

.dm-filter-menu-wrap {
  position: relative;
}

.dm-filter-menu-btn {
  white-space: nowrap;
}

.dm-filter-menu-btn.is-active,
.dm-filter-menu-btn[aria-pressed="true"] {
  border-color: #93c5fd;
  background: #eff6ff;
  color: #1d4ed8;
}

.dm-filter-menu-panel {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 1406;
  width: min(92vw, 340px);
  min-width: 280px;
  padding: 12px;
  border: 1px solid var(--dm-border);
  border-radius: 14px;
  background: var(--dm-panel-elevated);
  box-shadow: var(--dm-shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  backdrop-filter: blur(10px);
}

.dm-filter-menu-panel[hidden] {
  display: none !important;
}

.dm-filter-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: min(42vh, 320px);
  overflow: auto;
}

.dm-filter-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  color: var(--dm-text);
  font-size: 0.93rem;
  line-height: 1.4;
  white-space: normal;
}

.dm-filter-item span {
  flex: 1 1 auto;
  min-width: 0;
}

.dm-filter-item input[type="checkbox"] {
  margin-top: 2px;
  flex: 0 0 auto;
}

.dm-filter-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.dm-filter-action-btn {
  height: 36px;
  padding: 0 12px;
}

.dm-filter-empty {
  color: var(--dm-muted);
  font-size: 0.92rem;
  line-height: 1.4;
}