/* Visualizador de arquitetura. Reaproveita as variáveis de styles.css. */

.architecture {
  --arch-app: var(--accent);
  --arch-infra: oklch(0.74 0.11 245);
  --arch-deploy: oklch(0.78 0.12 160);
  --arch-external: oklch(0.68 0.012 265);
  --arch-terraform: oklch(0.74 0.13 300);
  --arch-edge: oklch(0.62 0.014 265);

  width: 100%;
  max-width: 78rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 4rem;
  display: grid;
  gap: 1.25rem;
}

.architecture-intro {
  max-width: 40rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.architecture h2 {
  margin: 0;
  font-size: clamp(1.625rem, 4.5vw, 2.125rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.architecture-note {
  margin: 0.75rem 0 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Abas ---------------------------------------------------------------- */

.arch-tabs {
  display: flex;
  gap: 0.25rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.25rem;
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.arch-tabs [role="tab"] {
  min-height: 2.75rem;
  padding: 0 1.125rem;
  background: transparent;
  color: var(--text-muted);
  border: 0;
  border-radius: 9px;
  font: inherit;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}

.arch-tabs [role="tab"]:hover {
  color: var(--text);
}

.arch-tabs [role="tab"][aria-selected="true"] {
  background: var(--accent);
  color: var(--accent-text);
}

/* Legenda ------------------------------------------------------------- */

.arch-legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1.125rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.arch-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.arch-swatch {
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 3px;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-left: 4px solid var(--kind-color, var(--border));
}

.arch-swatch--referenced {
  border: 1px dashed var(--text-muted);
}

.arch-line {
  width: 1.75rem;
  height: 0;
  border-top: 2px solid var(--arch-edge);
}

.arch-line[data-type="control"] {
  border-top-style: dashed;
}

.arch-line[data-type="permission"] {
  border-top: 2px dashed var(--arch-infra);
}

.arch-line[data-type="deploy"] {
  border-top-color: var(--arch-deploy);
}

[data-kind="app"] {
  --kind-color: var(--arch-app);
}

[data-kind="infra"] {
  --kind-color: var(--arch-infra);
}

[data-kind="deploy"] {
  --kind-color: var(--arch-deploy);
}

[data-kind="external"] {
  --kind-color: var(--arch-external);
}

.arch-badge {
  display: inline-block;
  padding: 0 0.4rem;
  border: 1px solid var(--arch-terraform);
  border-radius: 999px;
  color: var(--arch-terraform);
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.arch-badge--muted {
  border-style: dashed;
  border-color: var(--text-muted);
  color: var(--text-muted);
}

/* Sem JavaScript as abas não fazem nada; melhor não mostrá-las. */
.architecture:not(.is-ready) .arch-tabs,
.architecture:not(.is-ready) .arch-legend {
  display: none;
}

/* Painéis ------------------------------------------------------------- */

.arch-panel {
  display: grid;
  gap: 1rem;
}

.arch-panel[hidden] {
  display: none;
}

.arch-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 21rem;
  gap: 1rem;
  align-items: start;
}

.arch-toolbar,
.arch-flow-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.arch-toggle {
  min-height: 2.5rem;
  padding: 0 0.875rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
}

.arch-toggle:hover {
  border-color: var(--text-muted);
}

.arch-toggle[aria-pressed="true"] {
  background: var(--surface-raised);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.arch-notes {
  display: grid;
  gap: 0.5rem;
  max-width: 52rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.arch-notes p {
  margin: 0;
}

.arch-notes strong {
  color: var(--text);
}

/* Diagrama ------------------------------------------------------------ */

.arch-canvas {
  position: relative;
  container: arch / inline-size;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.arch-edges {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: visible;
  pointer-events: none;
}

.arch-root,
.arch-group-body {
  display: grid;
  gap: 2.5rem 2.25rem;
}

.arch-group {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem 0.875rem;
  background: oklch(0.21 0.013 265 / 0.6);
  border: 1px solid color-mix(in oklch, var(--kind-color) 45%, var(--border));
  border-radius: 12px;
}

.arch-group[data-management="referenced"] {
  border-style: dashed;
  border-color: var(--text-muted);
  background: transparent;
}

.arch-group[data-management="terraform"] {
  border-width: 1.5px;
}

/* Cabeçalho de grupo e bloco compartilham a estrutura interna. */
.arch-node,
.arch-group-head {
  position: relative;
  z-index: 2;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.125rem 0.5rem;
  color: var(--text);
  font: inherit;
  text-align: left;
}

.arch-node {
  min-height: 3.75rem;
  align-content: center;
  padding: 0.5rem 0.75rem 0.5rem 0.875rem;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-left: 4px solid var(--kind-color);
  border-radius: 10px;
}

.arch-node[data-management="referenced"],
.arch-node[data-management="service"] {
  border-style: dashed;
  border-left-style: solid;
}

.arch-group-head {
  justify-self: start;
  max-width: 100%;
  padding: 0.25rem 0.5rem;
  margin-left: -0.25rem;
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: 8px;
}

button.arch-node,
button.arch-group-head {
  cursor: pointer;
}

button.arch-node:hover {
  border-color: var(--text-muted);
  border-left-color: var(--kind-color);
}

button.arch-group-head:hover {
  border-color: var(--border);
}

.arch-node-head {
  flex-basis: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  min-width: 0;
}

.arch-group-head .arch-node-head {
  flex-basis: auto;
  justify-content: start;
}

.arch-node-title {
  min-width: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
}

.arch-group-head .arch-node-title {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--kind-color);
}

.arch-node-kind {
  flex-shrink: 0;
  color: var(--kind-color);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.arch-node-sub {
  min-width: 0;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}

.arch-group-head .arch-node-sub {
  font-family: var(--font);
}

.arch-node-out {
  display: none;
  flex-basis: 100%;
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Estados */

.arch-node,
.arch-group,
.arch-edge-group {
  transition:
    opacity 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.arch-node.is-selected,
.arch-group.is-selected > .arch-group-head {
  box-shadow: 0 0 0 2px var(--accent);
}

.arch-group.is-selected {
  border-color: var(--accent);
}

.arch-node.is-active {
  border-color: var(--accent);
  border-left-color: var(--kind-color);
}

.arch-group.is-active {
  border-color: var(--accent);
}

.arch-node.is-dim {
  opacity: 0.38;
}

.arch-group.is-dim > .arch-group-head {
  opacity: 0.55;
}

.is-terraform-focus .arch-node:not([data-management="terraform"]) {
  opacity: 0.3;
}

.is-terraform-focus .arch-group:not([data-management="terraform"]) > .arch-group-head {
  opacity: 0.45;
}

.is-terraform-focus .arch-group:not([data-management="terraform"]) {
  border-color: var(--border);
}

.is-terraform-focus [data-management="terraform"] {
  box-shadow: 0 0 0 2px var(--arch-terraform);
}

.is-terraform-focus .arch-group[data-management="terraform"] {
  box-shadow: none;
  border-color: var(--arch-terraform);
}

.is-terraform-focus .arch-edge-group {
  opacity: 0.25;
}

/* Conexões */

.arch-edge {
  fill: none;
  stroke: var(--arch-edge);
  stroke-width: 1.5;
}

.arch-edge-group[data-type="control"] .arch-edge {
  stroke-dasharray: 5 4;
}

.arch-edge-group[data-type="permission"] .arch-edge {
  stroke: var(--arch-infra);
  stroke-dasharray: 6 4;
}

.arch-edge-group[data-type="deploy"] .arch-edge {
  stroke: var(--arch-deploy);
}

.arch-marker {
  fill: var(--arch-edge);
}

.arch-marker--permission {
  fill: var(--arch-infra);
}

.arch-marker--deploy {
  fill: var(--arch-deploy);
}

.arch-marker--active {
  fill: var(--accent);
}

.arch-edge-label {
  fill: var(--text-muted);
  font-family: var(--mono);
  font-size: 11px;
}

.arch-edge-label-bg {
  fill: var(--surface);
}

.arch-edge-group.is-active .arch-edge {
  stroke: var(--accent);
  stroke-width: 2.25;
}

.arch-edge-group.is-active .arch-edge-label {
  fill: var(--accent-strong);
}

.arch-edge-group.is-dim {
  opacity: 0.18;
}

/* Nos fluxos, a linha ativa "anda" no sentido da seta. */
.arch-canvas[data-mode="flow"] .arch-edge-group.is-active .arch-edge {
  stroke-dasharray: 7 5;
  animation: arch-flow 900ms linear infinite;
}

@keyframes arch-flow {
  to {
    stroke-dashoffset: -12;
  }
}

/* Layouts: áreas por visão. No celular tudo vira uma coluna (abaixo). */

.arch-root[data-layout="app"] {
  row-gap: 3.5rem;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1fr);
  grid-template-areas:
    "browser dest"
    "api migrations"
    "db db";
}

.arch-group-body[data-layout="browser"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas: "page visitor";
}

.arch-group-body[data-layout="api"] {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "web routes ."
    "appcore service shortcode"
    "server repo ."
    ". drizzle .";
}

.arch-group-body[data-layout="migrations"] {
  grid-template-areas: "gen" "sql" "migrate";
  align-content: space-between;
}

.arch-group[data-area="migrations"] {
  grid-template-rows: auto 1fr;
}

.arch-root[data-layout="infra"] {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "operator . github"
    "aws aws aws";
}

.arch-group-body[data-layout="aws"] {
  column-gap: 4.5rem;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  grid-template-areas:
    "vpc ecr"
    "vpc role"
    "vpc ssm";
  align-items: center;
}

.arch-group-body[data-layout="vpc"] {
  grid-template-columns: minmax(8rem, 0.55fr) minmax(0, 2fr);
  grid-template-areas: "sg ec2";
  align-items: start;
}

.arch-group-body[data-layout="ec2"] {
  grid-template-areas: "runner" "compose";
}

/* CI/CD: a coluna da esquerda é o pipeline, de cima para baixo. */
.arch-root[data-layout="cicd"] {
  grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr);
  grid-template-rows: auto auto auto 1fr;
  grid-template-areas:
    "github github"
    "ec2 role"
    "ec2 ecr"
    "ec2 .";
}

.arch-group-body[data-layout="github"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "gh-trigger ."
    "job-build job-build"
    "gh-artifact .";
}

.arch-group-body[data-layout="job-build"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "ci-install ."
    "ci-verify ci-pg"
    "ci-image .";
}

/* A EC2 também aparece na Infraestrutura, com outro conteúdo. */
.arch-root[data-layout="cicd"] .arch-group-body[data-layout="ec2"] {
  column-gap: 6rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: auto auto 1fr auto 5.5rem;
  grid-template-areas:
    "job-deploy db"
    "job-deploy pgdata"
    "job-deploy ."
    "job-deploy env"
    "job-deploy .";
}

.arch-group-body[data-layout="job-deploy"] {
  row-gap: 1.75rem;
}

.arch-group-body[data-layout="compose"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "svc-app svc-migrate"
    "db db"
    "pgdata pgdata";
}

[data-area="browser"] {
  grid-area: browser;
}
[data-area="page"] {
  grid-area: page;
}
[data-area="visitor"] {
  grid-area: visitor;
}
[data-area="dest"] {
  grid-area: dest;
  align-self: end;
  /* Abre espaço para o rótulo da seta que vem do navegador. */
  justify-self: end;
  width: 78%;
}
[data-area="api"] {
  grid-area: api;
}
[data-area="web"] {
  grid-area: web;
}
[data-area="routes"] {
  grid-area: routes;
}
[data-area="appcore"] {
  grid-area: appcore;
}
[data-area="service"] {
  grid-area: service;
}
[data-area="shortcode"] {
  grid-area: shortcode;
}
[data-area="server"] {
  grid-area: server;
}
[data-area="repo"] {
  grid-area: repo;
}
[data-area="drizzle"] {
  grid-area: drizzle;
}
[data-area="migrations"] {
  grid-area: migrations;
}
[data-area="gen"] {
  grid-area: gen;
}
[data-area="sql"] {
  grid-area: sql;
}
[data-area="migrate"] {
  grid-area: migrate;
}
[data-area="db"] {
  grid-area: db;
}
[data-area="operator"] {
  grid-area: operator;
}
[data-area="aws"] {
  grid-area: aws;
}
[data-area="vpc"] {
  grid-area: vpc;
}
[data-area="sg"] {
  grid-area: sg;
}
[data-area="ec2"] {
  grid-area: ec2;
}
[data-area="compose"] {
  grid-area: compose;
}
[data-area="svc-app"] {
  grid-area: svc-app;
}
[data-area="svc-migrate"] {
  grid-area: svc-migrate;
}
[data-area="pgdata"] {
  grid-area: pgdata;
}
[data-area="ecr"] {
  grid-area: ecr;
}
[data-area="role"] {
  grid-area: role;
}
[data-area="ssm"] {
  grid-area: ssm;
}
[data-area="github"] {
  grid-area: github;
}
[data-area="runner"] {
  grid-area: runner;
}
[data-area="gh-trigger"] {
  grid-area: gh-trigger;
}
[data-area="job-build"] {
  grid-area: job-build;
}
[data-area="ci-install"] {
  grid-area: ci-install;
}
[data-area="ci-verify"] {
  grid-area: ci-verify;
}
[data-area="ci-pg"] {
  grid-area: ci-pg;
}
[data-area="ci-image"] {
  grid-area: ci-image;
}
[data-area="gh-artifact"] {
  grid-area: gh-artifact;
}
[data-area="job-deploy"] {
  grid-area: job-deploy;
}
[data-area="env"] {
  grid-area: env;
}

/* Alinha o Security Group com o contêiner app, que recebe a porta 3000. */
.arch-group-body[data-layout="vpc"] > [data-area="sg"] {
  margin-top: 5.75rem;
}

/* Cada bloco fica na altura do passo do deploy com que se conecta, para as
   setas saírem retas: role ↔ carrega, ECR ↔ publica, db ↔ verifica o banco. */
.arch-root[data-layout="cicd"] > [data-area="role"] {
  margin-top: 6.25rem;
}

.arch-root[data-layout="cicd"] .arch-group-body[data-layout="ec2"] > [data-area="db"] {
  margin-top: 14.5rem;
}

/* Diagrama estreito: uma coluna, sem setas; cada bloco diz para onde aponta. */
@container arch (max-width: 44rem) {
  .arch-canvas .arch-root,
  .arch-canvas .arch-group-body {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: none;
    gap: 0.625rem;
  }

  .arch-canvas [data-area] {
    grid-area: auto;
  }

  .arch-canvas .arch-root[data-layout="cicd"] .arch-group-body[data-layout="ec2"] {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: none;
    grid-template-areas: none;
  }

  .arch-canvas .arch-root[data-layout="cicd"] > [data-area="role"],
  .arch-canvas
    .arch-root[data-layout="cicd"]
    .arch-group-body[data-layout="ec2"]
    > [data-area="db"] {
    margin-top: 0;
  }

  .arch-canvas [data-area="dest"] {
    justify-self: stretch;
    width: auto;
  }

  .arch-canvas .arch-root {
    gap: 0.875rem;
  }

  .arch-canvas .arch-group {
    padding: 0.375rem 0.5rem 0.625rem;
  }

  .arch-canvas .arch-group-body[data-layout="vpc"] > [data-area="sg"] {
    margin-top: 0;
  }

  .arch-canvas .arch-edges {
    display: none;
  }

  .arch-canvas .arch-node-out {
    display: block;
  }

  .arch-canvas .arch-node {
    min-height: 0;
  }
}

/* Comparação dos dois PostgreSQL ----------------------------------- */

.arch-compare {
  display: grid;
  gap: 0.75rem;
}

.arch-compare-title {
  margin: 0;
  font-size: 1.0625rem;
}

.arch-compare-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 1rem;
  max-width: 56rem;
}

.arch-compare-card {
  padding: 0.875rem 1.125rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--arch-deploy);
  border-radius: var(--radius);
}

.arch-compare-where {
  margin: 0 0 0.625rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.arch-compare-card dl {
  margin: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.arch-compare-card dt {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.arch-compare-card dd {
  margin: 0.125rem 0 0;
}

/* Detalhes e passos --------------------------------------------------- */

.arch-details {
  position: sticky;
  top: 1rem;
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
  padding: 1.125rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.arch-details-hint {
  margin: 0;
  color: var(--text-muted);
}

.arch-details-empty {
  display: grid;
  gap: 0.625rem;
}

.arch-details-badges {
  margin: 0 0 0.625rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.arch-chip {
  padding: 0.0625rem 0.5rem;
  border: 1px solid var(--kind-color, var(--border));
  border-radius: 999px;
  color: var(--kind-color, var(--text-muted));
  font-size: 0.75rem;
  font-weight: 600;
}

.arch-chip--management {
  --kind-color: var(--text-muted);
}

.arch-chip--management[data-management="terraform"] {
  --kind-color: var(--arch-terraform);
}

.arch-details-title {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.25;
}

.arch-details-title:focus {
  outline: none;
}

.arch-details-summary {
  margin: 0.5rem 0 0;
}

.arch-details-facts {
  margin: 0.75rem 0 0;
  padding-left: 1.125rem;
  display: grid;
  gap: 0.375rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.arch-details-heading {
  margin: 1.125rem 0 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.arch-details-connections,
.arch-details-files {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.arch-details-connections li {
  display: grid;
  gap: 0.125rem;
}

.arch-link {
  justify-self: start;
  min-height: 2rem;
  padding: 0.125rem 0;
  background: none;
  border: 0;
  color: var(--accent-strong);
  font: inherit;
  font-weight: 600;
  text-align: left;
  text-decoration: underline;
  text-decoration-color: color-mix(in oklch, var(--accent-strong) 40%, transparent);
  text-underline-offset: 3px;
  cursor: pointer;
}

.arch-link:hover {
  text-decoration-color: currentColor;
}

.arch-link-arrow {
  font-family: var(--mono);
}

.arch-link-label {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.arch-edge-type {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-style: italic;
}

.arch-details-files code {
  font-family: var(--mono);
  font-size: 0.8125rem;
  overflow-wrap: anywhere;
}

.arch-step-counter {
  margin: 0.375rem 0 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.arch-step-nav {
  margin: 0.875rem 0;
  display: flex;
  gap: 0.5rem;
}

.arch-step-button {
  flex: 1;
  min-height: 2.75rem;
}

.arch-step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.25rem;
}

.arch-step {
  border-left: 2px solid var(--border);
  padding: 0.125rem 0 0.375rem 0.75rem;
}

.arch-step.is-current {
  border-left-color: var(--accent);
}

.arch-step-title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  width: 100%;
  min-height: 2.25rem;
  padding: 0;
  background: none;
  border: 0;
  color: var(--text-muted);
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.arch-step-title:hover,
.arch-step.is-current .arch-step-title {
  color: var(--text);
}

.arch-step-where {
  margin-left: auto;
  flex-shrink: 0;
  padding: 0 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.6875rem;
  font-weight: 600;
  white-space: nowrap;
}

.arch-step-number {
  flex-shrink: 0;
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 0.75rem;
}

.arch-step.is-current .arch-step-number {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

/* Só o passo atual mostra o texto: a lista inteira serve de índice. */
.arch-step-text {
  display: none;
  margin: 0.25rem 0 0.25rem 2.125rem;
  color: var(--text);
  font-size: 0.875rem;
}

.arch-step.is-current .arch-step-text {
  display: block;
}

@media (max-width: 60rem) {
  .arch-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .arch-details {
    position: static;
    max-height: none;
  }

  /* Nos fluxos, os passos vêm antes do diagrama para não precisar rolar. */
  .arch-steps {
    order: -1;
  }
}

@media (max-width: 30rem) {
  .arch-tabs {
    width: 100%;
  }

  .arch-tabs [role="tab"] {
    flex: 1;
    padding: 0 0.5rem;
  }

  .arch-step-button {
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arch-node,
  .arch-group,
  .arch-edge-group {
    transition: none;
  }

  .arch-canvas[data-mode="flow"] .arch-edge-group.is-active .arch-edge {
    animation: none;
  }
}