/* Workspace surfaces follow the appearance and palette controls. */
html[data-theme][data-palette] .overview-hero {
  --hero-ground: color-mix(in srgb, var(--surface) 82%, var(--tone-d));
  --hero-grid: color-mix(in srgb, var(--secondary) 16%, transparent);
  --hero-line: color-mix(in srgb, var(--secondary) 60%, transparent);
  --hero-edge: color-mix(in srgb, var(--surface) 28%, var(--brand-ink));
  --hero-structure-top: color-mix(in srgb, var(--tone-c) 70%, white);
  --hero-structure-mid: color-mix(in srgb, var(--tone-c) 76%, var(--brand-ink));
  --hero-structure-shade: color-mix(in srgb, var(--tone-c) 50%, var(--brand-ink));
  --hero-facade-top: color-mix(in srgb, var(--tone-d) 76%, white);
  --hero-facade-mid: color-mix(in srgb, var(--tone-d) 68%, var(--brand-ink));
  --hero-facade-shade: color-mix(in srgb, var(--tone-d) 42%, var(--brand-ink));
  --hero-services-top: color-mix(in srgb, var(--tone-a) 80%, white);
  --hero-services-mid: color-mix(in srgb, var(--tone-a) 65%, var(--brand-ink));
  --hero-services-shade: color-mix(in srgb, var(--tone-a) 40%, var(--brand-ink));
  background: var(--hero-ground);
  border-color: var(--border);
}

html[data-theme="dark"][data-palette] .overview-hero {
  --hero-ground: color-mix(in srgb, var(--surface) 86%, var(--tone-d));
  --hero-edge: color-mix(in srgb, var(--tone-c) 60%, var(--bg));
  --hero-structure-top: color-mix(in srgb, var(--tone-c) 76%, var(--bg));
  --hero-structure-mid: color-mix(in srgb, var(--tone-c) 56%, var(--bg));
  --hero-structure-shade: color-mix(in srgb, var(--tone-c) 38%, var(--bg));
  --hero-facade-top: color-mix(in srgb, var(--tone-d) 82%, var(--bg));
  --hero-facade-mid: color-mix(in srgb, var(--tone-d) 63%, var(--bg));
  --hero-facade-shade: color-mix(in srgb, var(--tone-d) 42%, var(--bg));
  --hero-services-top: color-mix(in srgb, var(--tone-a) 85%, var(--bg));
  --hero-services-mid: color-mix(in srgb, var(--tone-a) 67%, var(--bg));
  --hero-services-shade: color-mix(in srgb, var(--tone-a) 48%, var(--bg));
}

.overview-hero :is(.hero-index,.format-line,.study-header,.study-header>span:last-child) { color: var(--secondary); }
.overview-hero .overview-copy .button-light { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.overview-hero .overview-copy .button-light:hover { opacity: .88; }
.overview-hero .tiny-line { background: var(--hero-line); }
.overview-hero .model-study {
  display: grid;
  grid-template-rows: auto minmax(0,1fr) auto;
  padding: 18px 20px;
  min-height: 0;
  background-image: linear-gradient(to right, var(--hero-grid) 1px, transparent 1px), linear-gradient(to bottom, var(--hero-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center;
}
.overview-hero .study-header, .overview-hero .study-controls { position: relative; inset: auto; }
.overview-hero .building-model {
  width: 100%;
  height: clamp(210px, 23vw, 340px);
  margin: 0;
  overflow: hidden;
}
.overview-hero .study-controls { flex-wrap: wrap; gap: 6px; }
.overview-hero :is(.layer-toggle,.study-explode) {
  color: var(--secondary);
  background: var(--surface);
  border: 1px solid var(--border);
}
.overview-hero :is(.layer-toggle,.study-explode)[aria-pressed="true"] { color: var(--text); background: var(--raised); }
.overview-hero .layer-dot.architecture { background: var(--hero-facade-mid); }
.overview-hero .layer-dot.structure { background: var(--hero-structure-top); }
.overview-hero .layer-dot.mep { background: var(--hero-services-top); }

.page[data-page="hub"] .bottom-grid { grid-template-columns: minmax(0,2fr) minmax(260px,1fr); gap: 16px; margin-top: 16px; }
.page[data-page="hub"] .overview-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}
.overview-panel-head, .overview-panel-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.overview-panel-head { justify-content: space-between; }
.overview-panel-title h2 { font-size: 16px; font-weight: 500; color: var(--text); margin: 0; }
.overview-panel-title p { margin: 4px 0 0; font-size: 12px; color: var(--secondary); }
.overview-panel-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: none;
  color: var(--accent);
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--raised);
}
.overview-count { flex: none; color: var(--muted); font: 11px var(--font-mono); }
.overview-panel .recent-content, .overview-service-list { margin: 16px 0; }
.overview-panel .recent-row:first-child { border-top: 0; }
.overview-panel .recent-row { min-height: 52px; padding: 10px 0; }
.overview-panel .recent-row strong { font-size: 13px; color: var(--text); }
.overview-panel .recent-row small { font-size: 11px; }
.overview-panel .files-empty {
  min-height: 104px;
  padding: 14px;
  gap: 12px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--raised) 44%, var(--surface));
}
.overview-panel .files-empty h3 { color: var(--text); font-size: 13px; margin-bottom: 4px; }
.overview-panel .files-empty p, .overview-panel-loading { color: var(--secondary); font-size: 12px; }
.overview-panel-loading { padding: 16px 0; }
.overview-panel-foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.overview-panel-foot .text-button, .overview-panel .recent-row .text-button { color: var(--accent); }
.overview-service-list .connection-row { min-height: 48px; font-size: 13px; gap: 10px; }
.overview-service-list .connection-row:first-child { border-top: 0; }
.overview-service-list .connection-value { display: inline-flex; gap: 6px; align-items: center; text-align: right; color: var(--secondary); font-size: 11px; }
.overview-service-list .connection-value::before { content: ''; width: 6px; height: 6px; flex: none; border: 1px solid currentColor; border-radius: 50%; }
.overview-service-list .connection-value[data-status="ready"]::before { background: var(--ok); border-color: var(--ok); }
.overview-service-list .connection-value[data-status="local"]::before { background: var(--accent); border-color: var(--accent); }
.overview-service-list .connection-value[data-status="error"]::before { background: var(--clash-a); border-color: var(--clash-a); }

.guided-review { margin-bottom: 16px; }
.guided-review-head, .personal-aps-heading { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.guided-review-head p { margin: 6px 0 0; color: var(--secondary); }
.guided-review-head button, .personal-aps-heading>a { flex: none; }
.guided-review-steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; padding: 0; margin: 16px 0; list-style: none; }
.guided-review-steps li { display: grid; grid-template-columns: auto 1fr; align-content: start; gap: 6px 8px; min-height: 84px; padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.guided-review-steps li>span { color: var(--accent); font: 11px/1.7 var(--font-mono); }
.guided-review-steps li>strong { color: var(--text); font-size: 13px; font-weight: 500; }
.guided-review-steps li>small { grid-column: 2; color: var(--secondary); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.guided-review-steps li[data-state="running"] { border-color: var(--accent); background: var(--raised); }
.guided-review-steps li[data-state="complete"]>span { color: var(--ok); }
.guided-review-status { margin: 0; color: var(--secondary); font-size: 12px; }
.guided-review-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.guided-review-actions :is(a,button):not([hidden]) { margin-top: 12px; }
.guided-review-actions [hidden], .personal-aps-card [hidden] { display: none !important; }

.aps-connection-options { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.aps-connection-options>div { border: 1px solid var(--border); background: var(--raised); border-radius: 8px; padding: 12px; }
.aps-connection-options strong, .aps-connection-options span { display: block; }
.aps-connection-options span { color: var(--secondary); font-size: 12px; margin-top: 4px; }
.personal-aps-card .settings-connection-state[data-state="ready"] { color: var(--ok); }
.personal-aps-card .settings-connection-state[data-state="warning"], .aps-feedback[data-state="error"] { color: var(--text); border-inline-start: 2px solid var(--clash-a); padding-inline-start: 8px; }
.personal-aps-card form { gap: 8px; }
.personal-aps-card form .int-field { margin: 0; }
.personal-aps-card form>.form-input { margin-bottom: 4px; }
.aps-secret-field { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; }
.aps-secret-field input { width: 100%; }
.aps-secret-field button { min-width: 44px; justify-content: center; color: var(--accent); }
.aps-default-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 8px;
  margin: 14px 0 8px;
}
.account-settings-grid .aps-default-row .int-field { min-width: 0; margin: 0; }
.aps-default-row :is(select, .button) { box-sizing: border-box; height: 42px; min-height: 42px; }
@media (max-width: 480px) {
  .aps-default-row { grid-template-columns: minmax(0, 1fr); }
  .aps-default-row .button { justify-self: start; }
}
.aps-feedback { min-height: 1.3em; margin: 10px 0 0; color: var(--secondary); font-size: 12px; }

.account-landing .landing-model-canvas { background-image: linear-gradient(to right, var(--model-grid) 1px, transparent 1px), linear-gradient(to bottom, var(--model-grid) 1px, transparent 1px); background-size: 46px 46px; background-position: center; }
.account-landing .landing-visual .landing-scan { display: block; position: absolute; inset: 0; height: auto; z-index: 1; pointer-events: none; background: none; overflow: hidden; opacity: 1; animation: none; }
.account-landing .landing-scan::after { content: ''; position: absolute; top: 12%; bottom: 34%; width: 24%; left: -30%; opacity: 0; border-right: 1px solid var(--accent); background: linear-gradient(to right, transparent, color-mix(in srgb, var(--accent) 12%, transparent)); }
.welcome-drafting-trace { position: absolute; inset: 12% 8%; overflow: hidden; opacity: .42; border-block: 1px solid var(--border); }
.welcome-drafting-trace::after { content: ''; position: absolute; inset: 0 auto 0 0; width: 1px; background: var(--accent); opacity: 0; }
@keyframes aps-signin-in { from { opacity: .45; translate: 0 12px; } to { opacity: 1; translate: 0 0; } }
@keyframes aps-model-scan { 0% { opacity: 0; left: -25%; } 18%, 72% { opacity: .8; } 100% { opacity: 0; left: 105%; } }
@keyframes aps-welcome-drafting { 0% { opacity: 0; left: 0; } 22%, 68% { opacity: 1; } 100% { opacity: 0; left: 100%; } }
@keyframes aps-welcome-step { from { translate: 0 5px; } to { translate: 0 0; } }

@media (prefers-reduced-motion: no-preference) {
  html[data-motion="enhanced"] .account-landing .landing-copy>* { animation: aps-signin-in .58s var(--ease) both; }
  html[data-motion="enhanced"] .account-landing .landing-copy h1 { animation-delay: 60ms; }
  html[data-motion="enhanced"] .account-landing .landing-copy :is(.landing-intro,.autodesk-signin) { animation-delay: 120ms; }
  html[data-motion="enhanced"] .account-landing .landing-visual { animation: aps-signin-in .72s var(--ease) both; }
  html[data-motion="enhanced"] .account-landing .landing-visual:is([data-preview="review"],[data-preview="automate"]) .landing-scan::after { animation: aps-model-scan .95s ease-out 1; }
  html[data-motion="enhanced"] .account-landing .landing-visual[data-preview="automate"] .landing-scan::after { animation-name: aps-model-scan-automate; }
  html[data-motion="enhanced"] .welcome-stage[open] .welcome-drafting-trace::after { animation: aps-welcome-drafting 2.4s ease-in-out 2 both; }
  html[data-motion="enhanced"] .welcome-stage[open] .welcome-flow>article.is-active { animation: aps-welcome-step .48s var(--ease) both; }
  .welcome-stage[data-paused="true"] .welcome-drafting-trace::after, .welcome-stage[data-paused="true"] .welcome-flow>article.is-active { animation-play-state: paused !important; }
}
@keyframes aps-model-scan-automate { 0% { opacity: 0; left: -25%; } 18%, 72% { opacity: .8; } 100% { opacity: 0; left: 105%; } }

@media (max-width: 900px) {
  .page[data-page="hub"] .bottom-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .overview-hero .model-study { height: auto; padding: 14px 12px; }
  .overview-hero .building-model { height: 220px; }
  .page[data-page="hub"] .overview-panel { padding: 16px; }
  .overview-panel .files-empty { flex-wrap: wrap; }
  .guided-review-steps { grid-template-columns: 1fr; }
  .guided-review-steps li { min-height: 0; }
  .guided-review-head, .personal-aps-heading { flex-wrap: wrap; }
}