:root {
  --relation-map-w: 1200px;
  --relation-map-h: 860px;
}

.catatan-relation-page {
  min-height: 100dvh;
  background: var(--color-background, #f4f7f5);
  color: var(--color-text, #18201b);
  font-family: "Manrope", system-ui, sans-serif;
}
.relation-page-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 10px;
  min-height: 78px;
  padding: max(14px, env(safe-area-inset-top)) 18px 12px;
  background: color-mix(in srgb, var(--color-background, #f4f7f5) 92%, transparent);
  backdrop-filter: blur(18px);
}
.relation-back,
.relation-header-menu {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 50%;
  background: var(--color-surface, #fff);
  color: var(--color-text, #18201b);
}
.relation-back ion-icon,
.relation-header-menu ion-icon { font-size: 22px; }
.relation-header-copy { min-width: 0; text-align: center; }
.relation-header-copy small {
  display: block;
  color: var(--color-text-soft, #6f7b73);
  font-size: 10px;
  font-weight: 600;
}
.relation-header-copy h1 {
  margin: 2px 0 0;
  overflow: hidden;
  color: var(--color-text, #18201b);
  font-size: clamp(18px, 5vw, 24px);
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.relation-main { padding: 14px 18px calc(28px + env(safe-area-inset-bottom)); }
.relation-hero {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 24px;
  background: var(--color-surface, #fff);
  box-shadow: 0 14px 38px rgba(20, 45, 30, .06);
}
.relation-hero-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  background: color-mix(in srgb, var(--color-primary, #159447) 11%, var(--color-surface, #fff));
  color: var(--color-primary, #159447);
}
.relation-hero-icon ion-icon { font-size: 28px; }
.relation-hero h2 { margin: 0; font-size: 17px; }
.relation-hero p { margin: 5px 0 0; color: var(--color-text-soft, #6f7b73); font-size: 11.5px; line-height: 1.5; }
.relation-list { display: grid; gap: 10px; margin-top: 18px; }
.relation-list-card {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 20px;
  background: var(--color-surface, #fff);
  color: inherit;
}
.relation-card-main {
  min-width: 0;
  min-height: 76px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 12px;
  padding: 12px 10px 12px 14px;
  border: 0;
  border-radius: 20px;
  background: transparent;
  color: inherit;
  text-align: left;
}
.relation-card-main:active { background: color-mix(in srgb, var(--color-primary, #159447) 5%, transparent); }
.relation-card-copy { min-width: 0; }
.relation-list-card .relation-card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-primary, #159447) 10%, var(--color-surface, #fff));
  color: var(--color-primary, #159447);
}
.relation-list-card .relation-card-icon ion-icon { font-size: 22px; }
.relation-list-card strong { display: block; overflow: hidden; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.relation-list-card small { display: block; margin-top: 4px; color: var(--color-text-soft, #6f7b73); font-size: 10.5px; }
.relation-card-main > ion-icon { color: var(--color-text-muted, #879089); }
.relation-card-actions {
  position: relative;
  display: grid;
  align-items: center;
  padding-right: 8px;
}
.relation-card-more {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--color-text, #18201b);
}
.relation-card-more:active,
.relation-card-more[aria-expanded="true"] {
  background: var(--color-surface-soft, #eef1ef);
}
.relation-card-more ion-icon { font-size: 20px; }
.relation-card-menu {
  position: absolute;
  z-index: 40;
  top: calc(50% + 22px);
  right: 8px;
  min-width: 154px;
  padding: 6px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 14px;
  background: var(--color-surface, #fff);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .16);
}
.relation-card-menu[hidden] { display: none !important; }
.relation-card-menu button {
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--color-text, #18201b);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  text-align: left;
}
.relation-card-menu button:active { background: var(--color-surface-soft, #eef1ef); }
.relation-card-menu button.is-danger,
.relation-card-menu button.is-danger ion-icon { color: #c94343; }
.relation-empty { padding: 56px 22px; text-align: center; }
.relation-empty > span {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  border-radius: 22px;
  background: color-mix(in srgb, var(--color-primary, #159447) 9%, var(--color-surface, #fff));
  color: var(--color-primary, #159447);
}
.relation-empty > span ion-icon { font-size: 31px; }
.relation-empty strong { font-size: 16px; }
.relation-empty p { max-width: 330px; margin: 8px auto 0; color: var(--color-text-soft, #6f7b73); font-size: 11.5px; line-height: 1.6; }

.relation-graph-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--color-text-soft, #6f7b73);
  font-size: 10.5px;
}
.relation-scope-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary, #159447) 10%, var(--color-surface, #fff));
  color: var(--color-primary, #159447);
  font-weight: 700;
}
.relation-map-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 26px;
  background:
    radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--color-primary, #159447) 6%, transparent), transparent 38%),
    var(--color-surface, #fff);
  box-shadow: 0 18px 44px rgba(15, 35, 23, .07);
}
.relation-map-toolbar {
  position: absolute;
  z-index: 20;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 5px;
  padding: 5px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 16px;
  background: color-mix(in srgb, var(--color-surface, #fff) 90%, transparent);
  backdrop-filter: blur(12px);
}
.relation-map-toolbar button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--color-text, #18201b);
}
.relation-map-toolbar button:active { background: var(--color-surface-soft, #eef1ef); }
.relation-map-viewport {
  height: min(64dvh, 650px);
  min-height: 460px;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
  touch-action: none;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.relation-map-viewport.is-panning { cursor: grabbing; }
.relation-map-viewport.is-pinching { cursor: zoom-in; }
.relation-map-viewport.is-panning * { cursor: grabbing !important; }
.relation-map-viewport::-webkit-scrollbar { display: none; }
.relation-map-canvas { position: relative; min-width: 100%; min-height: 100%; }
.relation-map-stage {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--relation-map-w);
  height: var(--relation-map-h);
  transform-origin: 0 0;
}
.relation-map-lines,
.relation-map-nodes { position: absolute; inset: 0; width: 100%; height: 100%; }
.relation-map-lines { overflow: visible; pointer-events: auto; }
.relation-map-line {
  fill: none;
  stroke: color-mix(in srgb, var(--color-primary, #159447) 46%, var(--color-border, #d7ded9));
  stroke-width: 2.15;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}
.relation-edge-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 24;
  vector-effect: non-scaling-stroke;
  pointer-events: stroke;
  cursor: pointer;
  touch-action: manipulation;
}
.relation-edge-hit:focus-visible {
  stroke: color-mix(in srgb, var(--color-primary, #159447) 18%, transparent);
  outline: none;
}
.relation-node-wrap {
  position: absolute;
  width: 194px;
  min-height: 80px;
  transform: translate(-50%, -50%);
}
.relation-node {
  width: 100%;
  min-height: 80px;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  padding: 11px 12px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 19px;
  background: var(--color-surface, #fff);
  color: var(--color-text, #18201b);
  box-shadow: 0 12px 30px rgba(16, 39, 25, .10);
  text-align: left;
}
.relation-node-wrap.is-focus .relation-node {
  border-color: var(--color-primary, #159447);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary, #159447) 10%, transparent), 0 16px 36px rgba(16, 39, 25, .12);
}
.relation-node-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-primary, #159447) 10%, var(--color-surface, #fff));
  color: var(--color-primary, #159447);
}
.relation-node-icon ion-icon { font-size: 19px; }
.relation-node strong {
  display: block;
  overflow: hidden;
  font-size: 11.5px;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.relation-node > span:last-child { min-width: 0; }
.relation-node small {
  display: block;
  margin-top: 3px;
  color: var(--color-text-soft, #6f7b73);
  font-size: 8.8px;
  line-height: 1.35;
  white-space: normal;
  overflow-wrap: normal;
  word-break: normal;
}
.relation-branch-button {
  position: absolute;
  z-index: 3;
  right: -8px;
  top: -9px;
  min-width: 30px;
  height: 30px;
  padding: 0 7px;
  border: 2px solid var(--color-surface, #fff);
  border-radius: 999px;
  background: var(--color-primary, #159447);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  box-shadow: 0 5px 14px rgba(0, 0, 0, .16);
}
.relation-node-wrap.is-archived { opacity: .62; }
.relation-map-hint {
  padding: 10px 15px 12px;
  border-top: 1px solid var(--color-border, #e0e4e1);
  color: var(--color-text-soft, #6f7b73);
  font-size: 9.5px;
  line-height: 1.45;
  text-align: center;
}
.relation-isolated {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 22px;
  background: var(--color-surface, #fff);
}
.relation-section-heading { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.relation-section-heading strong { display: block; font-size: 13px; }
.relation-section-heading small { display: block; margin-top: 3px; color: var(--color-text-soft, #6f7b73); font-size: 9.5px; }
.relation-section-heading > span {
  min-width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--color-surface-soft, #eef1ef);
  color: var(--color-text-soft, #6f7b73);
  font-size: 10px;
  font-weight: 700;
}
.relation-isolated-list { display: grid; gap: 7px; margin-top: 12px; }
.relation-isolated-row {
  width: 100%;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 9px;
  padding: 9px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 15px;
  background: transparent;
  color: inherit;
  text-align: left;
}
.relation-isolated-row strong { display: block; font-size: 11.5px; }
.relation-isolated-row small { display: block; margin-top: 3px; color: var(--color-text-soft, #6f7b73); font-size: 9px; }
.relation-isolated-row > ion-icon { color: var(--color-text-muted, #879089); }

.relation-toast {
  position: fixed;
  z-index: 100;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(calc(100% - 36px), 430px);
  padding: 13px 16px;
  border-radius: 16px;
  background: #252a27;
  color: #fff;
  box-shadow: 0 18px 50px rgba(0,0,0,.24);
  font-size: 11px;
  text-align: center;
}
.relation-modal-layer {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(9, 12, 10, .52);
  backdrop-filter: blur(10px);
}
.relation-modal-layer[hidden] { display: none !important; }
.relation-manage-dialog,
.relation-name-dialog {
  width: min(100%, 390px);
  padding: 18px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 24px;
  background: var(--color-surface, #fff);
  box-shadow: 0 26px 70px rgba(0,0,0,.25);
}
.relation-manage-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.relation-manage-head small { color: var(--color-text-soft, #6f7b73); font-size: 9px; }
.relation-manage-head h2,
.relation-name-dialog h2 { margin: 2px 0 0; font-size: 18px; }
.relation-manage-head > button {
  width: 40px; height: 40px; display: grid; place-items: center; border: 0; border-radius: 50%; background: var(--color-surface-soft, #eef1ef); color: inherit;
}
.relation-manage-dialog > button {
  width: 100%;
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  align-items: center;
  gap: 10px;
  padding: 12px 6px;
  border: 0;
  border-top: 1px solid var(--color-border, #e0e4e1);
  background: transparent;
  color: inherit;
  text-align: left;
}
.relation-manage-dialog > button > ion-icon { font-size: 20px; color: var(--color-primary, #159447); }
.relation-manage-dialog > button strong { display: block; font-size: 12px; }
.relation-manage-dialog > button small { display: block; margin-top: 3px; color: var(--color-text-soft, #6f7b73); font-size: 9.5px; }
.relation-manage-dialog > button.is-danger,
.relation-manage-dialog > button.is-danger ion-icon { color: #c94343; }
.relation-name-dialog label { display: grid; gap: 7px; margin-top: 14px; }
.relation-name-dialog label span { color: var(--color-text-soft, #6f7b73); font-size: 10px; font-weight: 700; }
.relation-name-dialog input {
  width: 100%; min-height: 46px; padding: 0 13px; border: 1px solid var(--color-border, #e0e4e1); border-radius: 14px; outline: none; background: var(--color-background, #f4f7f5); color: var(--color-text, #18201b); font: inherit; font-size: 12px;
}
.relation-name-dialog input:focus { border-color: var(--color-primary, #159447); }
.relation-name-dialog > div:last-child { display: grid; grid-template-columns: 1fr 1.35fr; gap: 9px; margin-top: 14px; }
.relation-name-dialog button { min-height: 46px; border-radius: 14px; font: inherit; font-size: 11px; font-weight: 700; }
.relation-name-dialog .is-secondary { border: 1px solid var(--color-border, #e0e4e1); background: transparent; color: var(--color-text, #18201b); }
.relation-name-dialog .is-primary { border: 0; background: var(--color-primary, #159447); color: #fff; }

html[data-theme="dark"] .relation-page-header { background: color-mix(in srgb, var(--color-background, #151816) 91%, transparent); }
html[data-theme="dark"] .relation-map-shell {
  background: radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--color-primary, #53cc78) 8%, transparent), transparent 38%), var(--color-surface, #212422);
}

@media (min-width: 740px) {
  .relation-main { padding-left: 32px; padding-right: 32px; }
  .relation-map-viewport { height: min(70dvh, 720px); }
}

/* a43b: stable adaptive graph layout. Nodes are positioned once per render;
   cycle components use a true ring so loop edges no longer stack vertically. */
.relation-node-wrap { transition: left .18s ease, top .18s ease; }
@media (prefers-reduced-motion: reduce) {
  .relation-node-wrap { transition: none; }
}


/* v2.0.0a43c — touch-first graph gestures + relationship edge actions */
.relation-edge-dialog {
  width: min(100%, 392px);
  padding: 18px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 24px;
  background: var(--color-surface, #fff);
  color: var(--color-text, #18201b);
  box-shadow: 0 28px 72px rgba(0,0,0,.24);
}
.relation-edge-pair {
  display: grid;
  grid-template-columns: minmax(0,1fr) 34px minmax(0,1fr);
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}
.relation-edge-pair span {
  min-width: 0;
  padding: 10px 11px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 14px;
  background: color-mix(in srgb, var(--color-primary, #159447) 6%, var(--color-surface, #fff));
  font-size: 10.5px;
  font-weight: 700;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.relation-edge-pair > ion-icon {
  justify-self: center;
  color: var(--color-primary, #159447);
  font-size: 20px;
}
.relation-edge-dialog > p {
  margin: 14px 2px 0;
  color: var(--color-text-soft, #6f7b73);
  font-size: 10.5px;
  line-height: 1.55;
}
.relation-edge-actions {
  display: grid;
  grid-template-columns: .85fr 1.35fr;
  gap: 9px;
  margin-top: 16px;
}
.relation-edge-actions button {
  min-height: 46px;
  border-radius: 14px;
  font: inherit;
  font-size: 10.5px;
  font-weight: 700;
}
.relation-edge-actions .is-secondary {
  border: 1px solid var(--color-border, #e0e4e1);
  background: transparent;
  color: var(--color-text, #18201b);
}
.relation-edge-actions .is-danger {
  border: 0;
  background: #c94343;
  color: #fff;
}
.relation-edge-actions button:disabled { opacity: .58; }

@media (pointer: coarse) {
  .relation-map-toolbar button { width: 40px; height: 40px; }
  .relation-edge-hit { stroke-width: 30; }
}

/* v2.0.0a43d — relation card overflow delete + readable node metadata */


/* v2.0.0a46f — branded in-app destructive confirmation; avoids browser/domain confirm UI. */
.relation-confirm-dialog {
  width: min(100%, 392px);
  padding: 22px 20px 20px;
  border: 1px solid var(--color-border, #e0e4e1);
  border-radius: 26px;
  background: var(--color-surface, #fff);
  color: var(--color-text, #18201b);
  box-shadow: 0 28px 72px rgba(0,0,0,.26);
  text-align: center;
}
.relation-confirm-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin: 0 auto 13px;
  border-radius: 19px;
  background: color-mix(in srgb, #c94343 12%, var(--color-surface, #fff));
  color: #c94343;
}
.relation-confirm-icon ion-icon { font-size: 27px; }
.relation-confirm-dialog > small {
  display: block;
  color: var(--color-text-soft, #6f7b73);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.relation-confirm-dialog h2 { margin: 4px 0 0; font-size: 19px; }
.relation-confirm-name {
  margin: 13px 0 0;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.relation-confirm-dialog #relation-delete-confirm-copy {
  margin: 9px 0 0;
  color: var(--color-text-soft, #6f7b73);
  font-size: 10.5px;
  line-height: 1.6;
}
.relation-confirm-actions {
  display: grid;
  grid-template-columns: .9fr 1.25fr;
  gap: 9px;
  margin-top: 18px;
}
.relation-confirm-actions button {
  min-height: 48px;
  border-radius: 15px;
  font: inherit;
  font-size: 11px;
  font-weight: 750;
}
.relation-confirm-actions .is-secondary {
  border: 1px solid var(--color-border, #e0e4e1);
  background: transparent;
  color: var(--color-text, #18201b);
}
.relation-confirm-actions .is-danger { border: 0; background: #c94343; color: #fff; }
.relation-confirm-actions button:disabled { opacity: .58; }