/* Core page: screen mode (listings and sites) and parcel mode (one site) with the
   conversation as a collapsible sidebar. Uses the shared monochrome tokens only. */

/* Page layout beside the docked chat lives in workspace-shell.css. */

.core-chat-empty {
  margin: 24px 0 0;
  font-size: 13px;
  color: var(--ink-muted);
}

.core-parcel,
.core-screen,
.core-message,
.core-loading {
  max-width: 1040px;
  margin: 0 auto;
  padding: 20px 28px 72px;
}
.core-loading { color: var(--ink-muted); }

/* Floor plan page: one slim header (the way back, the title, the walkthrough fold), then the
   editor fills the rest of the page column beside the chat. */
.core-plan-page {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  min-height: 0;
  padding: 12px 20px 16px;
}
.core-plan-head {
  display: flex;
  align-items: center;
  gap: 6px 16px;
  flex-wrap: wrap;
  min-height: 32px;
}
.core-plan-crumbs { display: flex; align-items: center; gap: 14px; }
.core-plan-crumbs .core-back::before { content: "← "; }
.core-plan-head .core-title { margin: 0; font-size: 15px; font-weight: 550; letter-spacing: -0.01em; }
.core-plan-head .core-plan-walkthrough-toggle { margin-left: auto; }
.core-plan-mount { flex: 1; min-height: 0; }
.composer-plan-notes {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--ink-muted);
  overflow-wrap: anywhere;
}
.core-title {
  margin: 6px 0 4px;
  font: 500 clamp(22px, 3vw, 30px) / 1.15 var(--sans);
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}
.core-sub {
  margin: 0 0 16px;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--ink-muted);
}
.core-note {
  margin: 8px 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-muted);
}
.core-back {
  font-size: 13px;
  color: var(--ink-muted);
  text-decoration: none;
}
.core-back:hover { color: var(--ink); text-decoration: underline; }
.core-chat-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink);
}
.core-chat-toggle svg { width: 15px; height: 15px; }
.core-chat-toggle[aria-expanded="true"] { background: var(--surface-2); }
.core-chat-toggle:hover { border-color: var(--line-strong); }

.core-facts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px 20px;
  margin: 12px 0;
}
.core-facts div { min-width: 0; }
.core-facts dt { font-size: 11.5px; color: var(--ink-muted); }
.core-facts dd {
  margin: 2px 0 0;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}
.core-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0 10px;
  padding: 0;
  list-style: none;
}
.core-flag {
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-size: 12px;
}
.core-flag.is-clear { border-color: var(--line); color: var(--ink-muted); }

.core-section {
  padding: 28px 0 8px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 48px;
}
.core-section:last-child { border-bottom: 0; }
.core-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.core-section h2,
.core-screen h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 550;
  letter-spacing: -0.01em;
}
.core-subhead {
  margin: 22px 0 6px;
  font-size: 14px;
  font-weight: 550;
}
.core-item-title { margin: 14px 0 4px; font-size: 13px; font-weight: 550; }
.core-section-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.core-provenance {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 4px;
}
.core-prov {
  padding: 2px 8px;
  border-radius: var(--r-pill);
  background: var(--surface-2);
  font-size: 11.5px;
  color: var(--ink-muted);
}
.core-prov.is-user { background: transparent; border: 1px solid var(--ink); color: var(--ink); }
.core-stale {
  padding: 2px 8px;
  border-radius: var(--r-pill);
  border: 1px solid color-mix(in oklch, var(--warning) 55%, transparent);
  font-size: 11.5px;
  color: var(--ink);
}

.core-follow {
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  transition: background-color var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}
.core-follow:hover:not(:disabled) { background: var(--surface-2); }
a.core-follow { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.core-follow.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.core-follow.primary:hover:not(:disabled) { background: color-mix(in oklch, var(--accent) 86%, var(--bg)); }
.core-follow:disabled { opacity: 0.5; cursor: not-allowed; }
html.dark .core-follow.primary { background: var(--ink); border-color: var(--ink); color: var(--bg); }

.core-empty {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 12px 0;
  padding: 14px 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--ink-muted);
}
.core-empty p { margin: 0; }

.core-instructions {
  display: grid;
  gap: 6px;
  margin: 12px 0 4px;
}
.core-instructions-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-muted);
}
.core-instructions-input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 13.5px;
  line-height: 1.5;
  resize: vertical;
}
.core-instructions-input::placeholder { color: var(--ink-faint, var(--ink-muted)); }
.core-instructions-input:focus-visible { outline: 2px solid var(--ink); outline-offset: 1px; }
.core-instructions-input:disabled { opacity: 0.6; }
.core-instructions-status { min-height: 1em; font-size: 12px; color: var(--ink-muted); }
.core-instructions-status:empty { display: none; }

.core-table-wrap { margin: 12px 0; overflow-x: auto; }
.core-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.core-table caption {
  padding-bottom: 8px;
  text-align: left;
  font-size: 12px;
  color: var(--ink-muted);
}
.core-table th,
.core-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.core-table thead th { font-size: 12px; font-weight: 500; color: var(--ink-muted); white-space: nowrap; }
/* Comparison columns are named by long path names; let them wrap so figures stay side by side. */
.core-compare thead th { white-space: normal; min-width: 8rem; max-width: 14rem; vertical-align: bottom; }
.core-conditions { margin-top: 4px; }
.core-conditions-list { margin: 4px 0 8px; padding-left: 18px; display: grid; gap: 6px; max-width: 72ch; font-size: 13px; line-height: 1.5; color: var(--ink-muted); }
.core-table tbody th { font-weight: 500; }
.core-compare tbody th {
  position: sticky;
  left: 0;
  min-width: 150px;
  background: var(--paper);
  color: var(--ink-muted);
}
.core-compare td { min-width: 150px; }

.core-versions {
  display: flex;
  gap: 8px;
  margin: 14px 0;
  padding: 0 0 4px;
  overflow-x: auto;
  list-style: none;
}
.core-version {
  display: grid;
  gap: 2px;
  min-width: 200px;
  max-width: 300px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-align: left;
}
.core-version strong { font-size: 13px; font-weight: 550; }
.core-version small { font-size: 11.5px; line-height: 1.45; color: var(--ink-muted); }
.core-version:hover { background: var(--surface-2); }
.core-version.is-selected { border-color: var(--ink); }
.core-massing-view {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}
.core-massing-view .concept-fallback { margin: 0; padding: 40px 16px; text-align: center; }
.core-run {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  margin: 12px 0;
  font: 500 13px/1.55 var(--sans);
  color: var(--ink-muted);
}
.core-run.is-running .research-dots { display: flex; }
.core-run.is-failed { color: var(--ink); }
.core-run.is-failed::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--danger);
}
.core-arch-view {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}
.core-arch-selection {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-muted);
}
.core-arch-preview { margin: 12px 0; }
.core-arch-preview-img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}
.core-arch-preview figcaption { margin-top: 6px; font-size: 12.5px; color: var(--ink-muted); }
.core-arch-downloads { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin-top: 10px; font-size: 13px; }
.core-arch-downloads-label { font-weight: 600; }
.core-issues { margin: 8px 0; padding-left: 18px; font-size: 13px; line-height: 1.55; }
.core-issues li::marker { color: var(--warning); }
.core-section ul:not(.core-flags):not(.core-issues) { margin: 8px 0; padding-left: 18px; font-size: 13px; line-height: 1.55; }
.core-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0 24px;
}
.core-columns .core-facts { grid-template-columns: 1fr; gap: 6px; }
.core-columns .core-facts div { display: flex; justify-content: space-between; gap: 12px; }
.core-columns .core-facts dd { margin: 0; text-align: right; }
.core-recommendation {
  margin: 12px 0;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
}
.core-recommendation .core-item-title { margin-top: 0; }

.core-assumptions { margin: 12px 0; }
.core-assumption-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px 16px;
}
.core-field { display: grid; gap: 4px; font-size: 12px; color: var(--ink-muted); }
.core-input { position: relative; display: block; }
.core-input input {
  width: 100%;
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink);
  font: 14px var(--sans);
  font-variant-numeric: tabular-nums;
}
.core-input input:focus { outline: 2px solid color-mix(in oklch, var(--ink) 40%, transparent); outline-offset: 1px; }
.core-input input:disabled { background: var(--surface-2); color: var(--ink-muted); }
.core-input.is-currency input { padding-left: 22px; }
.core-input.is-currency::before,
.core-input.is-percent::after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--ink-muted);
  pointer-events: none;
}
.core-input.is-currency::before { content: "$"; left: 10px; }
.core-input.is-percent input { padding-right: 24px; }
.core-input.is-percent::after { content: "%"; right: 10px; }
.core-form-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 14px;
}
.core-form-status { margin: 0 auto 0 0; font-size: 13px; color: var(--ink-muted); }

.core-sources { display: grid; gap: 8px; margin: 12px 0; }
.core-sources .source-card { border: 1px solid var(--line); border-radius: var(--r-md); }
.core-sources .source-card small { font-size: 11.5px; }

/* Screen mode */
.core-screen-head { margin-bottom: 18px; }
.core-sites { margin: 0 0 28px; }
.core-sites-head input {
  flex: 1;
  min-width: 0;
  min-height: 38px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--paper);
  color: var(--ink);
  font: 14px var(--sans);
}
.core-sites-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.core-sites-head h2 { flex: 1; }
.core-sites-head input { flex: 0 1 240px; }
.core-site-list { display: grid; gap: 6px; }
.core-site {
  display: grid;
  gap: 2px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-align: left;
}
.core-site:hover { background: var(--surface-2); }
.core-site strong { font-weight: 500; }
.core-site small { font-size: 12px; color: var(--ink-muted); }

@media (max-width: 850px) {
  .uw-next .core-follow.primary { min-height: 44px; }
}
@media (max-width: 600px) {
  .core-parcel,
  .core-screen,
  .core-message,
  .core-loading { padding: 16px 16px 56px; }
  .core-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .core-sites-head { flex-wrap: wrap; }
  .core-sites-head input { flex: 1 1 100%; }
  .core-empty .core-follow { width: 100%; }
}
@media (max-width: 760px) {
  .core-plan-page { height: auto; padding: 10px 16px 24px; }
  .core-plan-head .core-title { flex-basis: 100%; order: 1; }
  .core-plan-head .core-plan-walkthrough-toggle { margin-left: auto; }
}
@media (prefers-reduced-motion: reduce) {
  .core-follow { transition: none; }
}
@media print {
  body.core-mode #main,
  body.core-mode .composer-dock,
  .core-follow,
  .core-chat-toggle { display: none !important; }
}

/* Site page: one underwriting path. A header, the deal snapshot, one next action, then four
   steps on a single rail. Each step answers in a line; its working sits behind a disclosure. */
.core-parcel.uw { max-width: 880px; }
.uw-header { display: grid; gap: 4px; margin-bottom: 20px; }
.uw-share { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.uw-share-status { font-size: 13px; color: var(--ink-muted); }
.uw-header .core-back { justify-self: start; margin-bottom: 8px; }
.uw-header .core-title { margin: 0; }
.uw-where {
  margin: 0;
  font-size: 13px;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

/* The site page sizes its snapshot to its own width, which the docked chat narrows. */
.core-parcel.uw { container: site / inline-size; }
.uw-snapshot {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 16px;
  border-block: 1px solid var(--line);
}
.uw-snapshot > div { min-width: 0; padding: 14px 16px 14px 0; }
.uw-snapshot > div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.uw-snapshot dt { font-size: 12px; color: var(--ink-muted); }
.uw-snapshot dd {
  margin: 4px 0 0;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.uw-snapshot .is-pending dd { font-size: 14px; font-weight: 400; color: var(--ink-faint); white-space: normal; }
/* Figures never break mid-number: a narrow page takes the strip to two columns. */
@container site (max-width: 720px) {
  .uw-snapshot { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .uw-snapshot > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .uw-snapshot > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
}
@container site (max-width: 400px) {
  .uw-snapshot dd { font-size: 17px; }
}
/* A long pro forma name wraps to two lines at most; the full name is in its title. */
.uw-snapshot dd.uw-snapshot-note {
  display: -webkit-box;
  margin-top: 2px;
  overflow: hidden;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--ink-muted);
  letter-spacing: 0;
  overflow-wrap: normal;
  white-space: normal;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.uw-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  flex-wrap: wrap;
  margin: 0 0 28px;
  padding: 14px 16px;
  border-radius: var(--r-lg);
  background: var(--surface-2);
}
.uw-next-text {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 320px;
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.5;
}
.uw-next.is-running .research-dots { display: flex; }
.uw-next .core-follow { flex: none; }
.uw-next .core-follow.primary { min-height: 38px; padding: 0 18px; font-size: 13.5px; }

.uw-steps { margin: 0; padding: 0; list-style: none; }
.uw-step {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 0 16px;
  padding-bottom: 28px;
  scroll-margin-top: 24px;
}
/* The rail joins each marker to the next; it stops at the last step. */
.uw-step:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 36px;
  bottom: 4px;
  left: 15.5px;
  width: 1px;
  background: var(--line);
}
.uw-step.is-done:not(:last-child)::before { background: var(--ink-faint); }
.uw-marker {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--paper);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}
.uw-step.is-done .uw-marker,
.uw-step.is-stale .uw-marker { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.uw-step.is-done .uw-marker::after {
  content: "";
  width: 10px;
  height: 5px;
  margin-top: -3px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
}
.uw-step.is-running .uw-marker { border: 1.5px solid var(--ink); color: var(--ink); }
.uw-step.is-stale .uw-marker { border-color: var(--warning); background: transparent; color: var(--warning); }
.uw-body { min-width: 0; padding-top: 4px; }
.uw-step-head { display: flex; align-items: baseline; justify-content: space-between; gap: 6px 16px; flex-wrap: wrap; }
.uw-step-head h2 { margin: 0; font-size: 17px; font-weight: 550; letter-spacing: -0.01em; }
.uw-status { font-size: 12px; color: var(--ink-muted); font-variant-numeric: tabular-nums; }
.uw-step.is-stale .uw-status { color: var(--warning); }
.uw-step.is-running .uw-status { color: var(--ink); }
.uw-step.is-todo .uw-step-head h2,
.uw-step.is-queued .uw-step-head h2 { color: var(--ink-muted); }
.uw-answer { margin: 6px 0 0; max-width: 68ch; font-size: 15px; line-height: 1.55; font-variant-numeric: tabular-nums; }
.uw-promise { margin: 6px 0 0; max-width: 62ch; font-size: 14px; line-height: 1.55; color: var(--ink-muted); }
.uw-step .core-run { margin: 8px 0 0; }
.uw-step .core-flags { margin: 10px 0 0; }

.uw-massing { margin-top: 16px; }
.uw-block-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.uw-block-head .core-subhead { margin: 0; }

/* Disclosures: quiet text controls that keep the step to one line until the reader asks. */
.uw-step details:not(.uw-menu) > summary,
.uw-sources > summary,
.core-conditions > summary,
.core-plan-walkthrough-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  cursor: pointer;
  list-style: none;
}
.uw-step details:not(.uw-menu) > summary::-webkit-details-marker,
.uw-sources > summary::-webkit-details-marker,
.core-conditions > summary::-webkit-details-marker { display: none; }
.uw-step details:not(.uw-menu) > summary::before,
.uw-sources > summary::before,
.core-conditions > summary::before,
.core-plan-walkthrough-toggle::before {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
  transition: transform var(--dur-2) var(--ease);
}
.uw-step details:not(.uw-menu)[open] > summary::before,
.uw-sources[open] > summary::before,
.core-conditions[open] > summary::before,
.core-plan-walkthrough-toggle[aria-expanded="true"]::before { transform: rotate(45deg); }
.uw-step details:not(.uw-menu) > summary:hover,
.uw-sources > summary:hover,
.core-conditions > summary:hover,
.core-plan-walkthrough-toggle:hover { color: var(--ink); }
.uw-step summary:focus-visible,
.uw-sources summary:focus-visible,
.core-conditions summary:focus-visible,
.core-plan-walkthrough-toggle:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: var(--r-2xs); }
.uw-more { margin-top: 10px; }
.uw-more[open] { padding-bottom: 4px; }
.uw-detail { padding: 4px 0 0; }
.uw-detail .core-subhead:first-of-type { margin-top: 8px; }
.uw-step-foot { display: flex; align-items: flex-start; gap: 0 20px; flex-wrap: wrap; margin-top: 8px; }
.uw-step-foot > details { margin-top: 0; min-width: 0; }
.uw-step-foot > details[open] { flex-basis: 100%; }
.uw-step-actions { display: flex; gap: 8px; margin-left: auto; padding-top: 2px; }
.uw-step-actions:only-child { margin-left: 0; }
.uw-compare { margin-top: 4px; }
.uw-notes .core-note { margin: 4px 0 0; }
.uw-numbers .core-note { margin: 6px 0 0; }

/* The floor plan entry sits with the next action, above the steps, so it is in view at once. */
.uw-design {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  flex-wrap: wrap;
  margin: -16px 0 28px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.uw-design-text { flex: 1 1 320px; min-width: 0; }
.uw-design h2 { margin: 0; font-size: 14px; font-weight: 550; }
.uw-design-status { margin: 2px 0 0; font-size: 13px; line-height: 1.5; color: var(--ink-muted); font-variant-numeric: tabular-nums; }
.uw-design .core-follow { flex: none; }
.uw-design-status { display: flex; align-items: center; gap: 8px; }
.uw-design-preview { flex: none; align-self: flex-start; width: 120px; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--line); border-radius: var(--r-md, 8px); background: var(--surface-2, transparent); }
.uw-design-text > .core-fail { margin-top: 6px; }
.uw-design-views { display: grid; gap: 8px; margin: 10px 0 0; padding: 0; list-style: none; }
.uw-design-views li { display: flex; align-items: center; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap; padding-top: 8px; border-top: 1px solid var(--line); }
.uw-design-view { display: flex; flex: 1 1 220px; flex-direction: column; gap: 2px; min-width: 0; font-size: 13px; line-height: 1.45; }
.uw-design-view strong { font-weight: 550; }
.uw-design-view > span { color: var(--ink-muted); }
.uw-design-running { display: inline-flex; align-items: center; gap: 8px; }
.uw-design .research-dots { display: flex; }
.uw-massing-note { margin: -2px 0 8px; font-size: 12px; color: var(--ink-muted); }
.uw-next.is-failed { border: 1px solid color-mix(in oklch, var(--danger) 55%, transparent); background: transparent; }

.uw-sources { padding-top: 12px; border-top: 1px solid var(--line); }

/* Floor plan page: the walkthrough folds out from the header and away while drawing. */
.core-plan-walkthrough { flex: none; max-height: 55vh; overflow: auto; }
.core-plan-walkthrough[hidden] { display: none; }
.core-plan-walkthrough .core-section { padding: 4px 0 8px; border: 0; }
/* The disclosure already names the panel; its heading stays for screen readers. */
.core-plan-walkthrough .core-section-title h2 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.core-plan-walkthrough .core-section-title { justify-content: flex-end; }

@media (max-width: 700px) {
  .uw-step { grid-template-columns: 26px minmax(0, 1fr); gap: 0 12px; }
  .uw-marker { width: 26px; height: 26px; font-size: 12px; }
  .uw-step:not(:last-child)::before { top: 30px; left: 12.5px; }
  .uw-step-actions { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .uw-step details:not(.uw-menu) > summary::before,
  .uw-sources > summary::before,
  .core-plan-walkthrough-toggle::before { transition: none; }
}

/* A step's status and its More menu share the right of its header. */
.uw-step-side { display: flex; align-items: center; gap: 10px; }
.uw-step.is-starting .uw-marker { border: 1.5px solid var(--ink); color: var(--ink); }
.uw-step.is-starting .uw-status { color: var(--ink); }
.uw-next.is-running .core-follow[aria-busy="true"] { cursor: progress; }
.uw-menu > summary {
  min-height: 30px;
  padding: 0 10px;
  border-color: var(--line);
  background: transparent;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-muted);
}
.uw-menu > summary:hover,
.uw-menu[open] > summary { color: var(--ink); border-color: var(--line-strong); }
.uw-menu > summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.uw-menu-body { width: min(340px, calc(100vw - 24px)); gap: 2px; padding: 6px; }
.uw-menu-item { display: grid; gap: 2px; padding: 6px 8px 8px; border-radius: var(--r-sm); }
.uw-menu-item:hover { background: var(--surface-2); }
.uw-menu-item .core-follow { justify-self: start; min-height: 30px; padding: 0 2px; border: 0; background: none; font-weight: 600; }
.uw-menu-item .core-follow:hover:not(:disabled) { background: none; text-decoration: underline; text-underline-offset: 3px; }
.uw-menu-what { font-size: 12.5px; line-height: 1.4; color: var(--ink-muted); }
.uw-notes[hidden] { display: none; }

/* What could not load: one line in its place, with Retry. */
.core-fail {
  display: flex;
  align-items: center;
  gap: 8px 14px;
  flex-wrap: wrap;
  margin: 8px 0;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink);
}
.core-fail::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--danger); }
.core-fail-text { flex: 1 1 auto; min-width: 0; }
.core-fail .core-follow { min-height: 32px; }
.core-viewer-skel { height: min(520px, 55dvh); border-radius: 0; }
.core-arch-skeleton { padding: 8px 0; }

/* The site page while it loads keeps the same layout as the page. */
.uw-skeleton .uw-header { gap: 6px; }
.uw-skeleton .uw-snapshot > div { display: grid; }
.uw-skeleton .uw-next { min-height: 68px; }
.uw-skeleton .uw-step { padding-bottom: 32px; }
.uw-skeleton .uw-marker { border: 0; }

/* Saved sites: the title with the page's one action, the search, then the cards. */
.core-screen-head { display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; flex-wrap: wrap; }
.core-screen-head .core-title { margin: 0; }
.core-new-site { display: flex; flex: 0 1 auto; justify-content: flex-end; min-width: 0; }
.core-new-site:has(> form:not([hidden])) { flex: 1 1 420px; }
.core-new-site-form { display: flex; gap: 8px; width: min(560px, 100%); }
.core-new-site-form .core-follow { flex: none; }
.core-new-site-form[hidden] { display: none; }
.core-new-site-form input {
  flex: 1 1 220px;
  min-width: 0;
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--paper);
  color: var(--ink);
  font: 14px var(--sans);
}
.core-new-site-form input:focus-visible { outline: 2px solid var(--ink); outline-offset: 1px; }
.core-screen .core-sites-head input { flex: 1 1 auto; max-width: 320px; }
.core-site-list .core-site { gap: 4px; }
.core-site-progress {
  display: grid;
  gap: 2px;
  min-height: 18px;
  margin-top: 6px;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.core-site-row { display: flex; flex-wrap: wrap; }
.core-site-row > span + span::before { content: "·"; padding: 0 6px; color: var(--ink-faint); }
.core-site-stale { color: var(--warning); }
.core-site-progress .skel { margin: 3px 0; }
.core-site-skeleton { pointer-events: none; }
.core-site-skeleton::after { display: none; }

/* The plan editor's shape while it loads. */
.core-plan-skeleton { display: flex; flex-direction: column; gap: 8px; height: 100%; min-height: 360px; }
.core-plan-skeleton-bar { display: flex; gap: 8px; }
.core-plan-skeleton-bar .skel { height: 44px; }
.core-plan-skeleton-canvas { flex: 1; min-height: 300px; border-radius: var(--r-lg); }
@media (max-width: 600px) {
  .core-new-site:has(> form:not([hidden])) { flex-basis: 100%; }
  .core-new-site-form { flex-wrap: wrap; width: 100%; }
  .core-new-site-form input { flex-basis: 100%; }
  .core-screen .core-sites-head input { max-width: none; }
}
.uw-skeleton .skel.uw-marker { width: 32px; height: 32px; border-radius: 50%; }
@media (max-width: 700px) {
  .uw-skeleton .skel.uw-marker { width: 26px; height: 26px; }
}