/* Data model explorer. Follows DESIGN.md: drafting-film ground, graphite rules, blueprint-blue
   figure linework, square corners and no elevation. Domain hues are muted inks used only as
   identifying marks; burnt orange stays reserved for deferred state. */

@font-face {
  font-family: 'Satoshi';
  src: url('/fonts/Satoshi-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

:root {
  --erd-d0: #2f6b96;
  --erd-d1: #4d7a5a;
  --erd-d2: #7a5c8e;
  --erd-d3: #8a6d2f;
  --erd-d4: #3f7f7f;
  --erd-d5: #6b6f2a;
  --erd-d6: #8c4f63;
  --erd-d7: #4f5f8f;
  --erd-d8: #5f7f3f;
  --erd-d9: #7f5f4f;
  --erd-d10: #3f6f9f;
  --erd-d11: #6f4f7f;
  --erd-panel-h: max(520px, calc(100vh - 15rem));
}

[data-d="0"] { --domain: var(--erd-d0); }
[data-d="1"] { --domain: var(--erd-d1); }
[data-d="2"] { --domain: var(--erd-d2); }
[data-d="3"] { --domain: var(--erd-d3); }
[data-d="4"] { --domain: var(--erd-d4); }
[data-d="5"] { --domain: var(--erd-d5); }
[data-d="6"] { --domain: var(--erd-d6); }
[data-d="7"] { --domain: var(--erd-d7); }
[data-d="8"] { --domain: var(--erd-d8); }
[data-d="9"] { --domain: var(--erd-d9); }
[data-d="10"] { --domain: var(--erd-d10); }
[data-d="11"] { --domain: var(--erd-d11); }

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: clamp(0.5rem, 1.2vw, 1rem);
  background: var(--mf-ground-deep);
  color: var(--mf-ink);
  font-family: var(--mf-font-text);
  font-size: var(--mf-type-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--mf-figure);
  outline-offset: 2px;
}

code,
kbd,
.erd-label,
.erd-type,
.erd-key,
.erd-n,
.erd-count,
.erd-sha,
.erd-doc-id,
.erd-title,
.erd-model-status {
  font-family: var(--mf-font-technical);
  font-size: var(--mf-type-label);
  letter-spacing: var(--mf-track-technical);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.erd-sheet {
  max-width: 1920px;
  margin: 0 auto;
  padding: 1rem var(--mf-gutter) 0;
  background: var(--mf-ground);
  border: var(--mf-hairline) solid var(--mf-rule-strong);
}

.erd-label {
  margin: 0 0 0.5rem;
  color: var(--mf-ink-muted);
  text-transform: uppercase;
  font-weight: 400;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.erd-dot {
  display: inline-block;
  flex: none;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.5rem;
  background: var(--domain, var(--mf-ink-muted));
}

.erd-dot-all {
  background: transparent;
  border: 1px solid var(--mf-ink);
}

.erd-n {
  margin-left: auto;
  color: var(--mf-ink-muted);
}

.erd-empty {
  color: var(--mf-ink-muted);
  margin: 0.5rem 0;
}

/* ---------- masthead ---------- */

.erd-masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.5rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid var(--mf-ink);
}

.erd-wordmark {
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--mf-ink);
  text-decoration: none;
}

.erd-title {
  text-transform: uppercase;
  color: var(--mf-ink-muted);
}

.erd-models {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0;
}

.erd-models button {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  background: transparent;
  border: var(--mf-hairline) solid var(--mf-rule-strong);
  margin-left: -1px;
}

.erd-models button[aria-pressed='true'] {
  background: var(--mf-ink);
  border-color: var(--mf-ink);
  color: var(--mf-ground);
}

.erd-model-status {
  text-transform: uppercase;
  opacity: 0.75;
}

.erd-doc-id {
  color: var(--mf-ink-muted);
}

/* ---------- three-column app ---------- */

.erd-app {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 320px;
  min-height: var(--erd-panel-h);
}

.erd-sidebar,
.erd-inspector {
  padding: 1rem 1rem 1rem 0;
  overflow-y: auto;
  max-height: calc(var(--erd-panel-h) + 9rem);
}

.erd-inspector {
  padding: 1rem 0 1rem 1rem;
  border-left: var(--mf-hairline) solid var(--mf-rule);
}

.erd-workspace {
  min-width: 0;
  padding: 1rem 1rem 0;
  border-left: var(--mf-hairline) solid var(--mf-rule);
  display: flex;
  flex-direction: column;
}

/* ---------- sidebar ---------- */

.erd-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.6rem;
  background: var(--mf-ground-deep);
  border: var(--mf-hairline) solid var(--mf-rule-strong);
}

.erd-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  outline: none;
}

.erd-search:focus-within {
  outline: 2px solid var(--mf-figure);
  outline-offset: 2px;
}

.erd-search kbd {
  color: var(--mf-ink-muted);
  border: 1px solid var(--mf-rule-strong);
  padding: 0.1rem 0.45rem;
}

.erd-domains,
.erd-entity-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.erd-domain,
.erd-entity {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  width: 100%;
  padding: 0.3rem 0.4rem;
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: var(--mf-hairline) solid var(--mf-rule);
  font-size: 0.8125rem;
  line-height: 1.3;
}

.erd-entity {
  font-family: var(--mf-font-technical);
  font-size: 0.75rem;
}

.erd-entity-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.erd-domain:hover,
.erd-entity:hover {
  background: var(--mf-ground-deep);
}

.erd-domain[aria-pressed='true'],
.erd-entity[aria-pressed='true'] {
  background: var(--mf-ground-deep);
  box-shadow: inset 2px 0 0 var(--mf-ink);
}

/* ---------- workspace head and toolbar ---------- */

.erd-workspace-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.5rem;
  padding-bottom: 0.75rem;
}

.erd-workspace-head h1 {
  margin: 0;
  font-size: var(--mf-type-lede);
  font-weight: 400;
  letter-spacing: var(--mf-track-claim);
}

.erd-desc {
  margin: 0.2rem 0 0;
  color: var(--mf-ink-muted);
}

.erd-model-note {
  max-width: 44ch;
  text-align: right;
  color: var(--mf-ink-muted);
  font-size: 0.8125rem;
}

.erd-model-note p {
  margin: 0 0 0.25rem;
}

.erd-model-note .erd-label {
  justify-content: flex-end;
}

.erd-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-top: var(--mf-hairline) solid var(--mf-rule-strong);
  border-bottom: var(--mf-hairline) solid var(--mf-rule-strong);
}

.erd-tabs {
  display: flex;
}

.erd-tabs button {
  padding: 0.3rem 0.8rem;
  background: transparent;
  border: var(--mf-hairline) solid var(--mf-rule-strong);
  margin-left: -1px;
}

.erd-tabs button[aria-selected='true'] {
  background: var(--mf-figure);
  border-color: var(--mf-figure);
  color: var(--mf-ground);
}

.erd-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.erd-check,
.erd-select {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.erd-check[hidden] {
  display: none;
}

.erd-check input {
  accent-color: var(--mf-figure);
}

.erd-select select {
  padding: 0.15rem 0.3rem;
  background: var(--mf-ground);
  border: var(--mf-hairline) solid var(--mf-rule-strong);
  border-radius: 0;
}

.erd-count {
  color: var(--mf-ink-muted);
}

/* ---------- 2D diagram ---------- */

.erd-canvas {
  position: relative;
  height: var(--erd-panel-h);
  overflow: hidden;
  background-color: var(--mf-ground);
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--mf-rule) 45%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--mf-rule) 45%, transparent) 1px, transparent 1px);
  background-size: 20px 20px;
  border-bottom: var(--mf-hairline) solid var(--mf-rule-strong);
}

.erd-canvas[hidden],
.erd-index[hidden] {
  display: none;
}

.erd-viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
}

.erd-viewport.dragging {
  cursor: grabbing;
}

.erd-scene {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: 0 0;
}

.erd-group {
  position: absolute;
  border: var(--mf-hairline) dashed color-mix(in srgb, var(--domain) 55%, var(--mf-rule));
  background: color-mix(in srgb, var(--domain) 4%, transparent);
}

.erd-group-title {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  width: 100%;
  padding: 0.6rem 0.9rem;
  background: transparent;
  border: 0;
  border-bottom: var(--mf-hairline) solid color-mix(in srgb, var(--domain) 35%, var(--mf-rule));
  text-align: left;
  font-size: 1rem;
}

.erd-group-title:hover {
  background: color-mix(in srgb, var(--domain) 8%, transparent);
}

.erd-edges {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
}

.erd-edges marker path {
  fill: var(--mf-ink-muted);
}

.erd-edge {
  fill: none;
  stroke: color-mix(in srgb, var(--mf-ink-muted) 55%, transparent);
  stroke-width: 1.2;
  pointer-events: stroke;
}

.erd-edge.cross {
  stroke-dasharray: 5 4;
}

.erd-edge.change-added {
  stroke: color-mix(in srgb, var(--mf-figure) 70%, transparent);
}

.erd-edge.active {
  stroke: var(--mf-figure);
  stroke-width: 2.2;
}

.erd-edge.faded {
  stroke-opacity: 0.18;
}

.erd-node {
  position: absolute;
  width: 220px;
  padding: 0;
  overflow: hidden;
  text-align: left;
  background: var(--mf-ground);
  border: var(--mf-hairline) solid var(--mf-rule-strong);
  border-top: 3px solid var(--domain);
}

.erd-node[data-change='changed'],
.erd-node[data-change='added'] {
  border-left: var(--mf-hairline) solid var(--mf-figure);
  border-right: var(--mf-hairline) solid var(--mf-figure);
  border-bottom: var(--mf-hairline) solid var(--mf-figure);
}

.erd-node:hover {
  border-color: var(--mf-ink);
  border-top-color: var(--domain);
}

.erd-node[aria-pressed='true'] {
  outline: 2px solid var(--mf-figure);
  outline-offset: 2px;
}

.erd-node[data-dim] {
  opacity: 0.3;
}

.erd-node-head {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  height: 36px;
  padding: 0 0.6rem;
  border-bottom: var(--mf-hairline) solid var(--mf-rule);
}

.erd-node-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--mf-font-technical);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.erd-node-fields {
  display: block;
  padding: 2px 0;
}

.erd-node-field {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  height: 20px;
  padding: 0 0.6rem;
  font-size: 0.75rem;
}

.erd-field-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.erd-more {
  display: block;
  height: 20px;
  padding: 0 0.6rem;
  color: var(--mf-ink-muted);
  font-size: 0.75rem;
}

.erd-type {
  color: var(--mf-ink-muted);
  letter-spacing: 0.02em;
}

.erd-key {
  flex: none;
  padding: 0.05rem 0.35rem;
  line-height: 1.35;
  border: 1px solid var(--mf-ink-muted);
  color: var(--mf-ink-muted);
  font-size: var(--mf-type-label);
  letter-spacing: 0.04em;
}

.erd-key[data-key='PK'] {
  background: var(--mf-ink);
  border-color: var(--mf-ink);
  color: var(--mf-ground);
}

.erd-key[data-key='FK'] {
  border-color: var(--mf-figure);
  color: var(--mf-figure);
}

.erd-change {
  flex: none;
  display: inline-block;
  min-width: 1em;
  font-family: var(--mf-font-technical);
  font-size: 0.75rem;
  text-align: center;
  color: var(--mf-figure);
}

.erd-change[data-change='changed'] {
  color: var(--mf-figure-soft);
}

.erd-change[data-change='removed'] {
  color: var(--mf-ink-muted);
}

[data-change='added'] > .erd-field-name,
.erd-field[data-change='added'] strong {
  color: var(--mf-figure);
}

[data-change='removed'] > .erd-field-name,
.erd-field[data-change='removed'] strong,
.erd-card-field[data-change='removed'] {
  text-decoration: line-through;
  color: var(--mf-ink-muted);
}

.erd-empty-canvas {
  position: absolute;
  left: 2rem;
  top: 2rem;
}

.erd-zoom {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  display: flex;
  align-items: center;
  background: var(--mf-ground);
  border: var(--mf-hairline) solid var(--mf-rule-strong);
}

.erd-zoom button {
  min-width: 2rem;
  padding: 0.25rem 0.5rem;
  background: transparent;
  border: 0;
  border-left: var(--mf-hairline) solid var(--mf-rule);
}

.erd-zoom button:first-child {
  border-left: 0;
}

.erd-zoom span {
  min-width: 3.5rem;
  text-align: center;
  font-family: var(--mf-font-technical);
  font-size: var(--mf-type-label);
}

/* ---------- index ---------- */

.erd-index {
  height: var(--erd-panel-h);
  overflow: auto;
  border-bottom: var(--mf-hairline) solid var(--mf-rule-strong);
}

.erd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.erd-table th {
  position: sticky;
  top: 0;
  padding: 0.5rem;
  text-align: left;
  font-family: var(--mf-font-technical);
  font-size: var(--mf-type-label);
  letter-spacing: var(--mf-track-technical);
  text-transform: uppercase;
  font-weight: 400;
  color: var(--mf-ink-muted);
  background: var(--mf-ground);
  border-bottom: var(--mf-hairline) solid var(--mf-ink);
}

.erd-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: var(--mf-hairline) solid var(--mf-rule);
}

.erd-link {
  padding: 0;
  background: transparent;
  border: 0;
  font-family: var(--mf-font-technical);
  font-size: 0.75rem;
  color: var(--mf-figure);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------- 3D graph ---------- */

.erd-canvas canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

.erd-canvas canvas.dragging {
  cursor: grabbing;
}

.erd-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.erd-card {
  position: absolute;
  left: 0;
  top: 0;
  width: 230px;
  max-height: 300px;
  overflow: auto;
  pointer-events: auto;
  background: var(--mf-ground);
  border: var(--mf-hairline) solid var(--mf-rule-strong);
  border-top: 3px solid var(--domain);
  font-size: 0.75rem;
}

.erd-card-head {
  display: flex;
  align-items: flex-start;
  gap: 0.3rem;
  padding: 0.4rem 0.5rem;
  border-bottom: var(--mf-hairline) solid var(--mf-rule);
}

.erd-card-head .erd-dot {
  margin-top: 0.35rem;
}

.erd-card-head > span:nth-child(2) {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.erd-card-head b {
  font-family: var(--mf-font-technical);
  font-weight: 400;
}

.erd-card-head small {
  color: var(--mf-ink-muted);
}

.erd-card-head button {
  background: transparent;
  border: 0;
  font-size: 1rem;
  line-height: 1;
}

.erd-card-field {
  display: flex;
  gap: 0.3rem;
  align-items: center;
  padding: 0.1rem 0.5rem;
}

.erd-card-field > span:first-child {
  flex: 1;
}

.erd-tooltip {
  position: absolute;
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0.75rem;
  pointer-events: none;
  background: var(--mf-ground);
  border: var(--mf-hairline) solid var(--mf-ink);
  font-size: 0.75rem;
}

.erd-tooltip strong {
  font-family: var(--mf-font-technical);
  font-weight: 400;
}

.erd-tooltip small {
  color: var(--mf-ink-muted);
}

/* ---------- legend and inspector ---------- */

.erd-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  padding: 0.6rem 0 1rem;
  font-size: 0.75rem;
  color: var(--mf-ink-muted);
}

.erd-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.erd-hint {
  margin-left: auto;
}

.erd-legend-line {
  display: inline-block;
  width: 1.5rem;
  border-top: 1.5px solid var(--mf-ink-muted);
}

.erd-inspect-empty h2,
.erd-inspect-head h2 {
  margin: 0 0 0.3rem;
  font-weight: 400;
  font-size: 1.125rem;
  word-break: break-word;
}

.erd-inspect-head h2 {
  font-family: var(--mf-font-technical);
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.erd-inspect-empty p:last-child {
  color: var(--mf-ink-muted);
}

.erd-inspect-head {
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--domain, var(--mf-ink));
}

.erd-inspect-head p:not(.erd-label) {
  margin: 0.15rem 0;
  font-size: 0.8125rem;
  color: var(--mf-ink-muted);
}

.erd-inspect-head .erd-dot {
  vertical-align: 0.05em;
  margin-right: 0.35rem;
}

.erd-inspect-head h2 {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.erd-close {
  padding: 0 0.25rem;
  background: transparent;
  border: 0;
  font-size: 1.1rem;
  line-height: 1;
}

.erd-origin {
  color: var(--mf-ink) !important;
}

.erd-button {
  margin-top: 0.6rem;
  padding: 0.3rem 0.7rem;
  background: transparent;
  border: var(--mf-hairline) solid var(--mf-figure);
  color: var(--mf-figure);
}

.erd-inspect-section {
  padding: 0.9rem 0;
  border-bottom: var(--mf-hairline) solid var(--mf-rule);
}

.erd-inspect-section h3 span {
  color: var(--mf-ink);
}

.erd-relation {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.3rem;
  width: 100%;
  padding: 0.35rem 0;
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: var(--mf-hairline) solid var(--mf-rule);
  font-size: 0.75rem;
}

.erd-relation strong {
  grid-column: 2;
  font-family: var(--mf-font-technical);
  font-weight: 400;
  color: var(--mf-figure);
  word-break: break-word;
}

.erd-relation .erd-change {
  grid-row: 1;
  grid-column: 1;
}

.erd-relation small {
  grid-column: 2;
  color: var(--mf-ink-muted);
}

.erd-relation:hover strong {
  text-decoration: underline;
}

.erd-field {
  padding: 0.35rem 0;
  border-bottom: var(--mf-hairline) solid var(--mf-rule);
  font-size: 0.8125rem;
}

.erd-field-main {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.erd-field-main strong {
  font-weight: 400;
}

.erd-field-main .erd-type {
  margin-left: auto;
}

.erd-field-note {
  margin: 0.15rem 0 0;
  color: var(--mf-ink-muted);
  font-size: 0.75rem;
}

.erd-source {
  margin: 0.2rem 0;
  word-break: break-all;
}

.erd-load-error {
  grid-column: 1 / -1;
  padding: 2rem;
}

/* ---------- foot ---------- */

.erd-foot {
  padding: 1rem 0 1.25rem;
  border-top: 2px solid var(--mf-ink);
  font-size: 0.8125rem;
  color: var(--mf-ink-muted);
}

.erd-foot ul {
  margin: 0 0 0.5rem;
  padding: 0;
  list-style: none;
}

.erd-foot li {
  word-break: break-all;
}

.erd-foot p:last-child {
  margin: 0;
  max-width: var(--mf-measure);
}

/* ---------- responsive ---------- */

@media (max-width: 1180px) {
  .erd-app {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .erd-inspector {
    grid-column: 1 / -1;
    max-height: none;
    padding: 1rem 0;
    border-left: 0;
    border-top: var(--mf-hairline) solid var(--mf-rule-strong);
  }
}

@media (max-width: 760px) {
  :root {
    --erd-panel-h: 70vh;
  }

  .erd-app {
    grid-template-columns: minmax(0, 1fr);
  }

  .erd-sidebar {
    max-height: 40vh;
    padding-right: 0;
    border-bottom: var(--mf-hairline) solid var(--mf-rule-strong);
  }

  .erd-workspace {
    padding: 1rem 0 0;
    border-left: 0;
  }

  .erd-workspace-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .erd-model-note {
    text-align: left;
  }

  .erd-model-note .erd-label {
    justify-content: flex-start;
  }

  .erd-models {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}