styles.css

:root {
  color-scheme: light;
  --page: #ffffff;
  --surface: #ffffff;
  --surface-raised: #f6f8fa;
  --surface-muted: #eaeef2;
  --border: #d0d7de;
  --text: #1f2328;
  --muted: #656d76;
  --subtle: #6e7781;
  --focus: #0969da;
  --source: #1a7f37;
  --source-soft: #dafbe1;
  --group: #8250df;
  --group-soft: #fbefff;
  --artifact: #9a6700;
  --artifact-soft: #fff8c5;
  --stage: #cf222e;
  --stage-soft: #ffebe9;
  --edge-source: #1a7f37;
  --edge-group: #8250df;
  --edge-member: #6e7781;
  --edge-artifact: #9a6700;
  --edge-stage: #cf222e;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--page);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.7rem clamp(0.85rem, 2vw, 1.5rem);
  border-bottom: 1px solid var(--border);
  background: var(--surface-raised);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.1rem, 1.45vw, 1.3rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.site-header .eyebrow {
  margin-bottom: 0.14rem;
  font-size: 0.62rem;
}

h2 {
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.eyebrow {
  margin-bottom: 0.32rem;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.095em;
  text-transform: uppercase;
}

.header-description {
  max-width: 38rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
  text-align: right;
}

code {
  color: #0550ae;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

.explorer {
  display: grid;
  grid-template-columns: minmax(0, 2.35fr) minmax(20rem, 0.92fr);
  gap: 1px;
  min-height: calc(100vh - 88px);
  background: var(--border);
}

.graph-panel,
.details-panel {
  min-width: 0;
  background: var(--surface);
}

.graph-panel {
  display: flex;
  flex-direction: column;
}

.details-panel {
  display: flex;
  flex-direction: column;
}

.panel-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.9rem;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 0.9rem;
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-raised);
}

.search-control {
  flex: 1 1 18rem;
}

input[type="search"],
.topology-source-control input {
  width: 100%;
  height: 2.3rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: 0;
  padding: 0 0.72rem;
  background: var(--surface);
  color: var(--text);
  font-size: 0.82rem;
}

input[type="search"]::placeholder,
.topology-source-control input::placeholder {
  color: var(--subtle);
}

.topology-source-control {
  display: grid;
  flex: 0 1 19rem;
  gap: 0.25rem;
}

.topology-source-control label {
  color: var(--subtle);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.topology-source-control > div {
  display: flex;
  gap: 0.35rem;
}

.topology-source-control input {
  min-width: 0;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.78rem;
}

.topology-source-control p {
  color: var(--subtle);
  font-size: 0.64rem;
  line-height: 1.3;
}

input[type="search"]:focus-visible,
.topology-source-control input:focus-visible,
textarea:focus-visible,
button:focus-visible,
.relationship-link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.filter-set {
  display: flex;
  flex: 0 1 auto;
  flex-wrap: wrap;
  gap: 0.22rem 0.55rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.filter-set legend {
  width: 100%;
  margin-bottom: 0.18rem;
  padding: 0;
  color: var(--subtle);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.filter-set label {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--muted);
  font-size: 0.7rem;
  white-space: nowrap;
  cursor: pointer;
}

.filter-set input {
  accent-color: var(--focus);
}

.view-actions {
  display: flex;
  gap: 0.4rem;
  margin-left: auto;
}

button {
  border: 1px solid transparent;
  border-radius: 0.35rem;
  padding: 0.43rem 0.6rem;
  cursor: pointer;
}

.button-secondary {
  border-color: var(--border);
  background: var(--surface-muted);
  color: var(--text);
  font-size: 0.73rem;
}

.button-secondary:hover {
  border-color: var(--muted);
  background: var(--surface-raised);
}

.button-primary {
  border-color: #1f883d;
  background: #1f883d;
  color: #ffffff;
  font-size: 0.73rem;
}

.button-primary:hover {
  border-color: #1a7f37;
  background: #1a7f37;
}

.feature-config {
  display: flex;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 0.72rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.feature-config-input {
  display: grid;
  flex: 1 1 31rem;
  gap: 0.28rem;
}

.feature-config-input label {
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.feature-config-heading-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem 0.8rem;
}

.platform-toggle {
  display: inline-flex;
  margin: 0;
  padding: 0.16rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-raised);
}

.platform-toggle legend {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.platform-toggle label {
  border-radius: 4px;
  padding: 0.24rem 0.52rem;
  color: var(--muted);
  font-size: 0.69rem;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
}

.platform-toggle label:has(input:checked) {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 0 0 1px var(--border);
}

.platform-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.platform-toggle label:has(input:focus-visible) {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.feature-config textarea {
  width: 100%;
  min-height: 3.65rem;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.45rem 0.58rem;
  background: var(--surface-raised);
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.75rem;
  line-height: 1.4;
}

.feature-config-input p {
  color: var(--subtle);
  font-size: 0.68rem;
  line-height: 1.35;
}

.feature-config-actions {
  display: flex;
  flex: 0 1 13rem;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.38rem;
}

.feature-config-actions output {
  width: 100%;
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.4;
}

.feature-config-actions output.has-warnings {
  color: #9a6700;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.85rem;
  padding: 0.58rem 1.2rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.7rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.legend-item i {
  display: inline-block;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 0.2rem;
}

.legend-item.source-set i { background: var(--source); }
.legend-item.artifact-group i { background: var(--group); }
.legend-item.artifact i { background: var(--artifact); }
.legend-item.build-stage i { background: var(--stage); }

.legend-note {
  margin-left: auto;
  color: var(--subtle);
}

.graph-frame {
  position: relative;
  flex: 1;
  min-height: 34rem;
  overflow: hidden;
  background-color: var(--surface-raised);
  background-image: radial-gradient(#d0d7de 0.7px, transparent 0.7px);
  background-size: 16px 16px;
}

#topology-graph {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  user-select: none;
}

#topology-graph.is-panning {
  cursor: grabbing;
}

.graph-edge {
  fill: none;
  stroke-width: 1.5;
  opacity: 0.56;
  pointer-events: none;
}

.graph-edge.source-requirement { stroke: var(--edge-source); marker-end: url(#arrow-source); stroke-dasharray: 4 4; }
.graph-edge.group-dependency { stroke: var(--edge-group); marker-end: url(#arrow-group); }
.graph-edge.group-membership { stroke: var(--edge-member); marker-end: url(#arrow-member); stroke-dasharray: 2 4; }
.graph-edge.artifact-dependency { stroke: var(--edge-artifact); marker-end: url(#arrow-artifact); }
.graph-edge.stage-membership { stroke: var(--edge-stage); marker-end: url(#arrow-stage); stroke-dasharray: 6 3; }

#arrow-source path { fill: var(--edge-source); }
#arrow-group path { fill: var(--edge-group); }
#arrow-member path { fill: var(--edge-member); }
#arrow-artifact path { fill: var(--edge-artifact); }
#arrow-stage path { fill: var(--edge-stage); }

.graph-edge.is-muted {
  opacity: 0.075;
}

.graph-edge.is-related {
  stroke-width: 3;
  opacity: 1;
}

.graph-node {
  cursor: pointer;
  outline: none;
}

.graph-node.is-hidden,
.graph-edge.is-hidden {
  display: none;
}

.graph-node .node-card {
  stroke-width: 1.4;
  transition: opacity 120ms ease, stroke-width 120ms ease, filter 120ms ease;
}

.graph-node.source-set .node-card { fill: var(--source-soft); stroke: var(--source); }
.graph-node.artifact-group .node-card { fill: var(--group-soft); stroke: var(--group); }
.graph-node.artifact .node-card { fill: var(--artifact-soft); stroke: var(--artifact); }
.graph-node.build-stage .node-card { fill: var(--stage-soft); stroke: var(--stage); }

.graph-node.build-disabled:not(.is-selected) .node-card,
.graph-node.build-unavailable:not(.is-selected) .node-card {
  fill: var(--surface-raised);
  stroke: var(--border);
  stroke-dasharray: 4 3;
}

.graph-node.build-disabled:not(.is-selected) text,
.graph-node.build-unavailable:not(.is-selected) text {
  fill: var(--subtle);
}

.graph-node.build-implicit:not(.is-selected) .node-card {
  stroke-dasharray: 4 2;
}

.graph-node.build-partial:not(.is-selected) .node-card {
  fill: color-mix(in srgb, var(--surface) 58%, var(--artifact-soft));
}

.graph-node .node-kind {
  fill: #57606a;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
}

.graph-node .node-name {
  fill: var(--text);
  font-size: 16px;
  font-weight: 700;
  pointer-events: none;
}

.graph-node:hover .node-card,
.graph-node:focus .node-card,
.graph-node.is-selected .node-card {
  stroke: var(--focus);
  stroke-width: 3;
  filter: drop-shadow(0 0 5px rgb(9 105 218 / 28%));
}

.graph-node.is-muted .node-card,
.graph-node.is-search-muted .node-card {
  opacity: 0.17;
}

.graph-node.is-muted text,
.graph-node.is-search-muted text {
  opacity: 0.23;
}

.graph-status {
  position: absolute;
  right: 0.7rem;
  bottom: 0.6rem;
  margin: 0;
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  background: rgb(255 255 255 / 92%);
  color: var(--muted);
  font-size: 0.69rem;
}

.details-content {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 1.2rem;
}

.details-empty {
  display: grid;
  place-items: center;
  min-height: 17rem;
  text-align: center;
}

.details-empty p {
  max-width: 18rem;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.55;
}

.details-empty strong {
  color: var(--text);
}

.detail-kind {
  display: inline-flex;
  margin-bottom: 0.45rem;
  border: 1px solid currentColor;
  border-radius: 99px;
  padding: 0.16rem 0.48rem;
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.detail-kind.source-set { color: var(--source); }
.detail-kind.artifact-group { color: var(--group); }
.detail-kind.artifact { color: var(--artifact); }
.detail-kind.build-stage { color: var(--stage); }
.detail-kind.build-selection { color: var(--focus); }

.detail-title {
  overflow-wrap: anywhere;
  font-size: 1.45rem;
  letter-spacing: -0.035em;
}

.detail-description {
  margin: 0.58rem 0 1.25rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.detail-section {
  margin-top: 1.15rem;
}

.detail-section h3 {
  margin: 0 0 0.46rem;
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.property-list,
.relationship-list {
  display: grid;
  gap: 0.38rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.property-list {
  grid-template-columns: minmax(7rem, 0.9fr) minmax(0, 1.25fr);
  border-top: 1px solid var(--border);
}

.property-list dt,
.property-list dd {
  min-width: 0;
  margin: 0;
  padding: 0.48rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  line-height: 1.4;
}

.property-list dt {
  color: var(--subtle);
}

.property-list dd {
  overflow-wrap: anywhere;
  color: var(--text);
}

.detail-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.detail-pill {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.35rem;
  background: var(--surface-raised);
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.71rem;
  overflow-wrap: anywhere;
}

.relationship-link {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.48rem 0.55rem;
  background: var(--surface);
  text-align: left;
}

.relationship-link:hover {
  border-color: var(--muted);
  background: var(--surface-raised);
}

.relationship-label {
  display: block;
  margin-bottom: 0.12rem;
  color: var(--subtle);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.relationship-name {
  display: block;
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.76rem;
  overflow-wrap: anywhere;
}

.component-result.is-built {
  border-left: 3px solid var(--source);
}

.component-result.is-not-built {
  border-left: 3px solid var(--border);
  background: var(--surface-raised);
}

.build-selection-status {
  border-left: 3px solid var(--border);
  padding-left: 0.65rem;
}

.build-selection-status.build-enabled {
  border-color: var(--source);
}

.build-selection-status.build-implicit,
.build-selection-status.build-partial {
  border-color: var(--artifact);
}

.build-selection-status p,
.preview-notes {
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.45;
}

.preview-notes {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding-left: 1.1rem;
}

.preview-warnings {
  border: 1px solid #d4a72c;
  border-radius: 6px;
  padding: 0.65rem 0.75rem;
  background: #fff8c5;
}

.preview-warnings h3 {
  color: #9a6700;
}

.preview-warnings .preview-notes {
  color: #6e4b00;
}

.excluded-flags {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.65rem 0.75rem;
  background: var(--surface-raised);
}

.excluded-flags code {
  overflow-wrap: anywhere;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .explorer {
    grid-template-columns: minmax(0, 1.65fr) minmax(18rem, 0.9fr);
  }

  .relationship-filters {
    display: none;
  }

  .header-description {
    display: none;
  }

  .feature-config {
    align-items: start;
    flex-direction: column;
  }

  .feature-config-actions {
    flex-basis: auto;
  }
}

@media (min-width: 801px) {
  body {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    height: 100vh;
    overflow: hidden;
  }

  .explorer,
  .graph-panel,
  .details-panel,
  .graph-frame {
    min-height: 0;
  }
}

@media (max-width: 800px) {
  .site-header {
    align-items: start;
  }

  .explorer {
    display: flex;
    flex-direction: column;
  }

  .graph-frame {
    min-height: 30rem;
  }

  .details-panel {
    min-height: 26rem;
  }

  .legend-note {
    width: 100%;
    margin-left: 0;
  }

  .view-actions {
    margin-left: 0;
  }
}

@media (max-width: 520px) {
  .site-header,
  .panel-heading,
  .controls,
  .legend,
  .details-content {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .filter-set {
    flex-basis: 100%;
  }

  .property-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .property-list dt {
    padding-bottom: 0.08rem;
    border-bottom: 0;
  }

  .property-list dd {
    padding-top: 0.08rem;
  }
}