/*
 * PenEcho Design Language
 * Canonical standalone stylesheet extracted from penecho-design-language.html.
 * Public component identity is expressed with data-pe-* attributes; geometry,
 * typography, tint and material must not be overridden in product modules.
 */

:root {
  --pe-font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Noto Sans SC", "Segoe UI", sans-serif;
  --pe-bg: #eef0f3;
  --pe-surface: #ffffff;
  --pe-surface-raised: #f8f9fb;
  --pe-surface-muted: #f2f3f6;
  --pe-surface-pressed: #e9ebef;
  --pe-ink: #20242c;
  --pe-ink-2: #4e5764;
  --pe-ink-3: #626b78;
  --pe-line: rgba(31, 36, 45, .14);
  --pe-line-strong: rgba(31, 36, 45, .22);
  --pe-hover: rgba(31, 36, 45, .055);
  --pe-selected: #eeedfc;
  --pe-accent: #4f46e5;
  --pe-accent-strong: #4338ca;
  --pe-accent-label: #3730a3;
  --pe-accent-soft: rgba(79, 70, 229, .09);
  --pe-accent-focus: rgba(79, 70, 229, .28);
  --pe-accent-ink: #ffffff;
  --pe-danger: #b4232c;
  --pe-danger-fill: #a91f28;
  --pe-danger-soft: rgba(180, 35, 44, .08);
  --pe-warning: #9a5b12;
  --pe-warning-soft: rgba(154, 91, 18, .09);
  --pe-success: #277a4c;
  --pe-success-soft: rgba(39, 122, 76, .09);
  --pe-glass-keep: 88%;
  --pe-glass-blur: 14px;
  --pe-popover-keep: 96%;
  --pe-popover-blur: 12px;
  --pe-scrim-alpha: 22%;
  --pe-scrim-blur: 2px;
  --pe-glass-saturate: 1.12;
  --pe-frost-control: rgba(255, 255, 255, .88);
  --pe-frost-popover: rgba(255, 255, 255, .96);
  --pe-scrim: rgba(0, 0, 0, .22);
  --pe-shadow-short: 0 6px 14px rgba(17, 24, 39, .14);
  --pe-shadow-dialog: 0 14px 30px rgba(17, 24, 39, .20);
  --pe-control-radius: 5px;
  --pe-r-control: var(--pe-control-radius);
  --pe-r-field: var(--pe-control-radius);
  --pe-r-group: 10px;
  --pe-r-popover: 10px;
  --pe-r-dialog-s: 12px;
  --pe-r-dialog: 14px;
  --pe-r-dialog-l: 16px;
  --pe-s1: 2px;
  --pe-s2: 4px;
  --pe-s3: 6px;
  --pe-s4: 8px;
  --pe-s5: 10px;
  --pe-s6: 12px;
  --pe-s8: 16px;
  --pe-s10: 20px;
  --pe-s12: 24px;
  --pe-s16: 32px;
  --pe-nav-w: 216px;
  --pe-button-standard-h: 30px;
  --pe-button-compact-h: 28px;
  --pe-menu-item-h: 30px;
  --pe-icon-button-h: 28px;
  --pe-input-h: 30px;
  --pe-control-h: var(--pe-button-standard-h);
  --pe-control-compact-h: var(--pe-button-compact-h);
  --pe-field-h: var(--pe-input-h);
}

html[data-pe-theme="light"] { color-scheme: light; }

html[data-pe-theme="dark"] {
  color-scheme: dark;
  --pe-bg: #17191d;
  --pe-surface: #23262c;
  --pe-surface-raised: #292c33;
  --pe-surface-muted: #1e2126;
  --pe-surface-pressed: #343841;
  --pe-ink: #f1f3f6;
  --pe-ink-2: #b2b8c2;
  --pe-ink-3: #8f97a3;
  --pe-line: rgba(255, 255, 255, .12);
  --pe-line-strong: rgba(255, 255, 255, .21);
  --pe-hover: rgba(255, 255, 255, .06);
  --pe-selected: #33323f;
  --pe-accent-soft: rgba(129, 120, 255, .17);
  --pe-accent-focus: rgba(129, 120, 255, .32);
  --pe-frost-control: rgba(35, 38, 44, .88);
  --pe-frost-popover: rgba(35, 38, 44, .96);
  --pe-accent-ink: #ffffff;
  --pe-accent: #8178ff;
  --pe-accent-strong: #5b52d6;
  --pe-accent-label: #b8b5ff;
  --pe-danger: #ff7d86;
  --pe-danger-fill: #a91f28;
  --pe-danger-soft: rgba(255, 125, 134, .10);
  --pe-warning: #e6aa58;
  --pe-warning-soft: rgba(230, 170, 88, .10);
  --pe-success: #62c48a;
  --pe-success-soft: rgba(98, 196, 138, .10);
  --pe-shadow-short: 0 6px 14px rgba(0, 0, 0, .34);
  --pe-shadow-dialog: 0 14px 30px rgba(0, 0, 0, .46);
}

html[data-pe-accent="graphite"] { --pe-accent: #53606f; --pe-accent-strong: #3d4855; --pe-accent-label: #334155; }
html[data-pe-accent="teal"] { --pe-accent: #0f766e; --pe-accent-strong: #115e59; --pe-accent-label: #0f766e; }
html[data-pe-accent="burgundy"] { --pe-accent: #9f1239; --pe-accent-strong: #881337; --pe-accent-label: #881337; }
html[data-pe-theme="dark"][data-pe-accent="indigo"] { --pe-accent: #8178ff; --pe-accent-strong: #5b52d6; --pe-accent-label: #b8b5ff; }
html[data-pe-theme="dark"][data-pe-accent="graphite"] { --pe-accent: #94a3b8; --pe-accent-strong: #52606f; --pe-accent-label: #d6dce5; }
html[data-pe-theme="dark"][data-pe-accent="teal"] { --pe-accent: #2dd4bf; --pe-accent-strong: #0f766e; --pe-accent-label: #72eadb; }
html[data-pe-theme="dark"][data-pe-accent="burgundy"] { --pe-accent: #fb7185; --pe-accent-strong: #be123c; --pe-accent-label: #fda4af; }

@supports (color: color-mix(in srgb, black, white)) {
  :root {
    --pe-selected: color-mix(in srgb, var(--pe-accent) 10%, var(--pe-surface));
    --pe-accent-soft: color-mix(in srgb, var(--pe-accent) 9%, transparent);
    --pe-accent-focus: color-mix(in srgb, var(--pe-accent) 28%, transparent);
    --pe-frost-control: color-mix(in srgb, var(--pe-surface) var(--pe-glass-keep), transparent);
    --pe-frost-popover: color-mix(in srgb, var(--pe-surface) var(--pe-popover-keep), transparent);
    --pe-scrim: color-mix(in srgb, #000 var(--pe-scrim-alpha), transparent);
  }

  html[data-pe-theme="dark"] {
    --pe-selected: color-mix(in srgb, var(--pe-accent) 17%, var(--pe-surface));
  }
}

/* Catalog classes build only the documentation stage. Keeping them in a
   lower-priority layer guarantees that the unlayered public data-pe contract
   owns every component appearance in both the catalog and the product. */
@layer pe-catalog {
body.pe-catalog, body.pe-catalog * { box-sizing: border-box; }
html.pe-catalog-root { scroll-behavior: smooth; }
body.pe-catalog {
  margin: 0;
  color: var(--pe-ink);
  background: var(--pe-bg);
  font-family: var(--pe-font-ui);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
body.pe-catalog button, body.pe-catalog input, body.pe-catalog select, body.pe-catalog textarea { font: inherit; }
body.pe-catalog button { color: inherit; }
body.pe-catalog svg { display: block; width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
body.pe-catalog a { color: inherit; }
body.pe-catalog code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11.5px; }
body.pe-catalog [hidden] { display: none !important; }

body.pe-catalog .app-nav {
  position: fixed;
  z-index: 20;
  inset: 0 auto 0 0;
  width: var(--pe-nav-w);
  display: flex;
  flex-direction: column;
  padding: 14px 10px 12px;
  border-right: 1px solid var(--pe-line);
  background: var(--pe-surface-raised);
}
body.pe-catalog .brand-lockup { display: flex; align-items: center; gap: 9px; padding: 4px 7px 14px; }
body.pe-catalog .brand-mark { display: grid; width: 27px; height: 27px; place-items: center; color: white; border-radius: 7px; background: var(--pe-accent-strong); font-size: 12px; font-weight: 600; }
body.pe-catalog .brand-lockup strong { display: block; font-size: 14px; font-weight: 600; line-height: 1.2; }
body.pe-catalog .brand-lockup small { display: block; margin-top: 2px; color: var(--pe-ink-2); font-size: 11px; }
body.pe-catalog .nav-scroll { min-height: 0; overflow: auto; padding-right: 2px; }
body.pe-catalog .nav-label { padding: 10px 8px 4px; color: var(--pe-ink-3); font-size: 10.5px; font-weight: 600; }
body.pe-catalog .app-nav a { display: flex; min-height: 30px; align-items: center; gap: 8px; margin: 1px 0; padding: 0 8px; color: var(--pe-ink-2); border-radius: 6px; text-decoration: none; font-size: 12px; font-weight: 500; }
body.pe-catalog .app-nav a:hover { color: var(--pe-ink); background: var(--pe-hover); }
body.pe-catalog .app-nav a.active { color: var(--pe-accent-label); background: var(--pe-selected); }
body.pe-catalog .nav-index { width: 19px; color: var(--pe-ink-3); font-size: 10px; font-variant-numeric: tabular-nums; }
body.pe-catalog .nav-foot { display: grid; gap: 8px; padding: 10px 6px 0; border-top: 1px solid var(--pe-line); }

body.pe-catalog .page { margin-left: var(--pe-nav-w); }
body.pe-catalog .page-topbar {
  position: sticky;
  z-index: 12;
  top: 0;
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 22px;
  border-bottom: 1px solid var(--pe-line);
  background: var(--pe-frost-control);
  -webkit-backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate));
  backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate));
}
body.pe-catalog .page-topbar strong { font-size: 13.5px; font-weight: 600; }
body.pe-catalog .top-actions { display: flex; align-items: center; gap: 6px; }
body.pe-catalog .content { width: min(1120px, calc(100% - 36px)); margin: 0 auto; padding: 26px 0 80px; }

body.pe-catalog .intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 24px; align-items: end; padding: 12px 0 34px; }
body.pe-catalog .eyebrow { margin: 0 0 7px; color: var(--pe-accent-label); font-size: 11.5px; font-weight: 600; }
body.pe-catalog h1 { max-width: 720px; margin: 0; font-size: 28px; font-weight: 600; line-height: 1.3; letter-spacing: -.025em; text-wrap: balance; }
body.pe-catalog .intro-copy { max-width: 680px; margin: 12px 0 0; color: var(--pe-ink-2); font-size: 14px; line-height: 1.6; }
body.pe-catalog .hard-rule { padding: 16px 18px; border: 1px solid color-mix(in srgb, var(--pe-danger) 25%, var(--pe-line)); border-radius: var(--pe-r-group); background: var(--pe-danger-soft); }
body.pe-catalog .hard-rule strong { display: block; color: var(--pe-danger); font-size: 13.5px; font-weight: 600; }
body.pe-catalog .hard-rule span { display: block; margin-top: 4px; color: var(--pe-ink-2); font-size: 12.5px; }

body.pe-catalog .chapter { scroll-margin-top: 60px; padding: 28px 0; border-top: 1px solid var(--pe-line); }
body.pe-catalog .chapter-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 420px); gap: 24px; align-items: start; margin-bottom: 20px; }
body.pe-catalog .chapter-kicker { margin: 0 0 4px; color: var(--pe-accent-label); font-size: 11px; font-weight: 600; }
body.pe-catalog h2 { margin: 0; font-size: 20px; font-weight: 600; line-height: 1.35; letter-spacing: -.015em; }
body.pe-catalog .chapter-head > p { margin: 1px 0 0; color: var(--pe-ink-2); font-size: 12.5px; line-height: 1.55; }
body.pe-catalog h3 { margin: 0; font-size: 14px; font-weight: 600; line-height: 1.4; }
body.pe-catalog .subhead { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: 24px 0 10px; }
body.pe-catalog .subhead p { max-width: 560px; margin: 0; color: var(--pe-ink-2); font-size: 12px; }

body.pe-catalog .panel { overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface); }
body.pe-catalog .panel-head { display: flex; min-height: 42px; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 12px; border-bottom: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .panel-head strong { font-size: 12.5px; font-weight: 600; }
body.pe-catalog .panel-body { padding: 16px; }
body.pe-catalog .panel-body.stack > code { overflow-wrap: anywhere; white-space: normal; }
body.pe-catalog .stage { position: relative; overflow: hidden; padding: 22px; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface-muted); }
body.pe-catalog .stage.compact { padding: 14px; }
body.pe-catalog .stage-label { position: absolute; top: 7px; right: 9px; color: var(--pe-ink-3); font-size: 10px; font-variant-numeric: tabular-nums; }
body.pe-catalog .grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
body.pe-catalog .grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
body.pe-catalog .grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
body.pe-catalog .stack { display: grid; min-width: 0; grid-template-columns: minmax(0, 1fr); gap: 12px; }
body.pe-catalog .inline { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
body.pe-catalog .muted { color: var(--pe-ink-2); }
body.pe-catalog .micro { color: var(--pe-ink-3); font-size: 11px; }
body.pe-catalog .rule-note { display: flex; gap: 8px; align-items: flex-start; color: var(--pe-ink-2); font-size: 12px; }
body.pe-catalog .rule-note::before { width: 5px; height: 5px; flex: 0 0 5px; margin-top: 6px; border-radius: 50%; background: var(--pe-accent); content: ""; }
body.pe-catalog .danger-note::before { background: var(--pe-danger); }

body.pe-catalog .btn {
  position: relative;
  display: inline-flex;
  height: var(--pe-control-h);
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0 9px;
  color: var(--pe-ink);
  border: 1px solid var(--pe-line-strong);
  border-radius: var(--pe-r-control);
  outline: none;
  background: transparent;
  box-shadow: none;
  font-size: 13px;
  font-weight: 500;
  line-height: var(--pe-button-standard-h, 30px);
  white-space: nowrap;
  cursor: pointer;
  transition: color 160ms ease-out, border-color 160ms ease-out, background-color 160ms ease-out, opacity 160ms ease-out;
}
body.pe-catalog .btn.compact { height: var(--pe-control-compact-h); padding-inline: 8px; font-size: 12.5px; line-height: var(--pe-button-compact-h, 28px); }
body.pe-catalog .btn::after { position: absolute; inset: -3px; content: ""; }
body.pe-catalog .btn.compact::after, body.pe-catalog .btn.icon::after, body.pe-catalog .btn.toolbar::after, body.pe-catalog .btn.composer-action::after { inset: -4px; }
body.pe-catalog .btn:hover, body.pe-catalog .btn.is-hover { color: var(--pe-accent-label); border-color: color-mix(in srgb, var(--pe-accent) 45%, var(--pe-line)); }
body.pe-catalog .btn:active, body.pe-catalog .btn.is-active { color: var(--pe-ink); border-color: var(--pe-line-strong); background: var(--pe-surface-pressed); }
body.pe-catalog .btn:focus-visible, body.pe-catalog .btn.is-focus { border-color: var(--pe-accent); box-shadow: 0 0 0 2px var(--pe-accent-focus); }
body.pe-catalog .btn:disabled, body.pe-catalog .btn.is-disabled { color: var(--pe-ink-3); border-color: var(--pe-line); opacity: .5; cursor: not-allowed; }
body.pe-catalog .btn.primary { color: var(--pe-accent-ink); border-color: var(--pe-accent-strong); background: var(--pe-accent-strong); }
body.pe-catalog .btn.primary:hover, body.pe-catalog .btn.primary.is-hover { color: var(--pe-accent-ink); border-color: color-mix(in srgb, var(--pe-accent-strong) 84%, black); background: color-mix(in srgb, var(--pe-accent-strong) 89%, black); }
body.pe-catalog .btn.primary:active, body.pe-catalog .btn.primary.is-active { background: color-mix(in srgb, var(--pe-accent-strong) 80%, black); }
body.pe-catalog .btn.primary:focus-visible, body.pe-catalog .btn.primary.is-focus { border-color: var(--pe-accent-strong); box-shadow: 0 0 0 2px var(--pe-accent-focus); }
body.pe-catalog .btn.ghost { border-color: transparent; }
body.pe-catalog .btn.ghost:hover, body.pe-catalog .btn.ghost.is-hover { border-color: transparent; background: var(--pe-hover); }
body.pe-catalog .btn.ghost:active, body.pe-catalog .btn.ghost.is-active { border-color: transparent; background: var(--pe-surface-pressed); }
body.pe-catalog .btn.danger { color: var(--pe-danger); border-color: color-mix(in srgb, var(--pe-danger) 35%, var(--pe-line)); }
body.pe-catalog .btn.danger:hover { border-color: var(--pe-danger); }
body.pe-catalog .btn.danger-primary { color: white; border-color: var(--pe-danger-fill); background: var(--pe-danger-fill); }
body.pe-catalog .btn.danger-primary:hover, body.pe-catalog .btn.danger-primary.is-hover { color: white; background: color-mix(in srgb, var(--pe-danger-fill) 89%, black); }
body.pe-catalog .btn.danger-primary:active, body.pe-catalog .btn.danger-primary.is-active { color: white; background: color-mix(in srgb, var(--pe-danger-fill) 80%, black); }
body.pe-catalog .btn.icon { width: var(--pe-icon-button-h); height: var(--pe-icon-button-h); padding: 0; }
body.pe-catalog .btn.icon svg { width: 14px; height: 14px; }
body.pe-catalog .btn.toolbar { width: var(--pe-icon-button-h); height: var(--pe-icon-button-h); padding: 0; border-color: transparent; }
body.pe-catalog .btn.toolbar:hover { color: var(--pe-ink); border-color: transparent; background: var(--pe-hover); }
body.pe-catalog .btn.toolbar[aria-pressed="true"], body.pe-catalog .btn.toolbar.selected { color: var(--pe-accent-label); background: var(--pe-selected); }
body.pe-catalog .btn.composer-action { width: 28px; height: 28px; padding: 0; color: var(--pe-accent-ink); border-color: var(--pe-accent-strong); background: var(--pe-accent-strong); }
body.pe-catalog .btn.busy, body.pe-catalog .btn.is-busy { pointer-events: none; }
body.pe-catalog .btn.busy::before, body.pe-catalog .btn.is-busy::before { width: 11px; height: 11px; border: 1.5px solid currentColor; border-right-color: transparent; border-radius: 50%; content: ""; animation: spin .8s linear infinite; }
body.pe-catalog .btn.busy svg, body.pe-catalog .btn.is-busy svg { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

body.pe-catalog .state-table { display: grid; grid-template-columns: 92px repeat(6, minmax(86px, 1fr)); min-width: 760px; }
body.pe-catalog .state-table > * { display: flex; min-height: 52px; align-items: center; padding: 8px; border-right: 1px solid var(--pe-line); border-bottom: 1px solid var(--pe-line); }
body.pe-catalog .state-table > :nth-child(7n) { border-right: 0; }
body.pe-catalog .state-table .th { min-height: 34px; color: var(--pe-ink-3); background: var(--pe-surface-raised); font-size: 10.5px; font-weight: 600; }
body.pe-catalog .state-table .row-name { color: var(--pe-ink-2); font-size: 11px; font-weight: 600; }
body.pe-catalog .scroll-x { overflow-x: auto; }

body.pe-catalog .field { display: grid; min-width: 0; gap: 6px; }
body.pe-catalog .field > span, body.pe-catalog .field > label { color: var(--pe-ink); font-size: 13px; font-weight: 500; }
body.pe-catalog .field small { color: var(--pe-ink-2); font-size: 12px; line-height: 1.45; }
body.pe-catalog .field-control {
  width: 100%;
  height: var(--pe-field-h);
  min-width: 0;
  padding: 0 9px;
  color: var(--pe-ink);
  border: 1px solid var(--pe-line-strong);
  border-radius: var(--pe-r-field);
  outline: none;
  background: var(--pe-surface);
  font-size: 13px;
  font-weight: 400;
}
body.pe-catalog textarea.field-control { height: auto; min-height: 64px; padding-block: 7px; line-height: 1.45; resize: vertical; }
body.pe-catalog select.field-control { appearance: none; padding-right: 28px; background-image: linear-gradient(45deg, transparent 50%, var(--pe-ink-2) 50%), linear-gradient(135deg, var(--pe-ink-2) 50%, transparent 50%); background-position: calc(100% - 14px) 12px, calc(100% - 10px) 12px; background-size: 4px 4px; background-repeat: no-repeat; }
body.pe-catalog .field-control:hover { border-color: var(--pe-line-strong); }
body.pe-catalog .field-control:focus, body.pe-catalog .field-control.is-focus { border-color: var(--pe-accent); box-shadow: 0 0 0 2px var(--pe-accent-focus); }
body.pe-catalog .field-control::placeholder { color: var(--pe-ink-3); opacity: 1; }
body.pe-catalog .field.error .field-control { border-color: var(--pe-danger); box-shadow: 0 0 0 2px color-mix(in srgb, var(--pe-danger) 18%, transparent); }
body.pe-catalog .field.error small { color: var(--pe-danger); }
body.pe-catalog .field-control:disabled { color: var(--pe-ink-3); background: var(--pe-surface-muted); opacity: .62; }
body.pe-catalog .field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; }
body.pe-catalog .field-grid .span-2 { grid-column: 1 / -1; }

body.pe-catalog .range-control { width: 100%; height: 30px; margin: 0; appearance: none; outline: 0; background: transparent; cursor: pointer; }
body.pe-catalog .range-control::-webkit-slider-runnable-track { height: 3px; border-radius: 999px; background: linear-gradient(to right, var(--pe-accent) 0 var(--pe-range-value, 50%), var(--pe-line-strong) var(--pe-range-value, 50%) 100%); }
body.pe-catalog .range-control::-webkit-slider-thumb { width: 14px; height: 14px; margin-top: -5.5px; appearance: none; border: 1px solid color-mix(in srgb, var(--pe-accent) 55%, var(--pe-line)); border-radius: 50%; background: var(--pe-surface); }
body.pe-catalog .range-control:focus-visible::-webkit-slider-thumb, body.pe-catalog .range-control.is-focus::-webkit-slider-thumb { border-color: var(--pe-accent); box-shadow: 0 0 0 2px var(--pe-accent-focus); }
body.pe-catalog .range-control::-moz-range-track { height: 3px; border-radius: 999px; background: var(--pe-line-strong); }
body.pe-catalog .range-control::-moz-range-progress { height: 3px; border-radius: 999px; background: var(--pe-accent); }
body.pe-catalog .range-control::-moz-range-thumb { width: 14px; height: 14px; border: 1px solid color-mix(in srgb, var(--pe-accent) 55%, var(--pe-line)); border-radius: 50%; background: var(--pe-surface); }
body.pe-catalog .range-control:focus-visible::-moz-range-thumb, body.pe-catalog .range-control.is-focus::-moz-range-thumb { border-color: var(--pe-accent); box-shadow: 0 0 0 2px var(--pe-accent-focus); }
body.pe-catalog .range-control:disabled { opacity: .45; cursor: not-allowed; }
body.pe-catalog .range-line { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; }
body.pe-catalog .range-value { min-width: 28px; color: var(--pe-ink-2); font-size: 11.5px; font-variant-numeric: tabular-nums; text-align: right; }

body.pe-catalog .check-row { display: flex; min-height: 30px; align-items: center; gap: 8px; }
body.pe-catalog .check-row input { width: 15px; height: 15px; margin: 0; accent-color: var(--pe-accent); }
body.pe-catalog .switch { position: relative; width: 36px; height: 20px; flex: 0 0 36px; padding: 0; border: 1px solid var(--pe-line-strong); border-radius: 999px; background: var(--pe-surface); cursor: pointer; }
body.pe-catalog .switch::after { position: absolute; top: 1px; left: 1px; width: 16px; height: 16px; border-radius: 50%; background: var(--pe-ink-2); content: ""; transition: transform 170ms ease-out, background-color 170ms ease-out; }
body.pe-catalog .switch[aria-checked="true"] { border-color: var(--pe-accent); background: var(--pe-accent); }
body.pe-catalog .switch[aria-checked="true"]::after { background: white; transform: translateX(16px); }
body.pe-catalog .switch:focus-visible { outline: 0; box-shadow: 0 0 0 2px var(--pe-accent-focus); }
body.pe-catalog .switch-line { display: flex; min-height: 44px; align-items: center; justify-content: space-between; gap: 16px; }
body.pe-catalog .switch-copy strong { display: block; font-size: 13px; font-weight: 500; }
body.pe-catalog .switch-copy small { display: block; margin-top: 2px; color: var(--pe-ink-2); font-size: 12px; }

body.pe-catalog .segmented { display: inline-flex; height: 30px; align-items: center; gap: 2px; padding: 2px; border: 1px solid var(--pe-line); border-radius: 6px; background: var(--pe-surface-muted); }
body.pe-catalog .segmented button { height: 24px; padding: 0 8px; color: var(--pe-ink-2); border: 0; border-radius: 4px; outline: 0; background: transparent; font-size: 12.5px; font-weight: 500; cursor: pointer; }
body.pe-catalog .segmented button:hover { color: var(--pe-ink); }
body.pe-catalog .segmented button[aria-pressed="true"] { color: var(--pe-ink); border: 1px solid var(--pe-line); background: var(--pe-surface); }
body.pe-catalog .segmented button:focus-visible { box-shadow: 0 0 0 2px var(--pe-accent-focus); }
body.pe-catalog .tabs { display: flex; align-items: end; gap: 14px; border-bottom: 1px solid var(--pe-line); }
body.pe-catalog .tabs button { position: relative; height: 30px; padding: 0 1px; color: var(--pe-ink-2); border: 0; outline: 0; background: transparent; font-size: 12.5px; font-weight: 500; cursor: pointer; }
body.pe-catalog .tabs button[aria-selected="true"] { color: var(--pe-ink); }
body.pe-catalog .tabs button[aria-selected="true"]::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--pe-accent); content: ""; }
body.pe-catalog .tabs button:focus-visible { box-shadow: 0 0 0 2px var(--pe-accent-focus); }

body.pe-catalog .toolbar-demo { display: flex; min-height: 38px; align-items: center; gap: 4px; padding: 4px 6px; border: 1px solid var(--pe-line); border-radius: 8px; background: var(--pe-surface-raised); }
body.pe-catalog .toolbar-demo.floating { background: var(--pe-frost-control); -webkit-backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate)); backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate)); }
body.pe-catalog .toolbar-divider { width: 1px; height: 20px; margin: 0 2px; background: var(--pe-line); }
body.pe-catalog .toolbar-spacer { flex: 1; }

body.pe-catalog .type-specimen { display: grid; grid-template-columns: 170px minmax(0, 1fr) 130px; align-items: baseline; min-height: 48px; padding: 10px 0; border-bottom: 1px solid var(--pe-line); }
body.pe-catalog .type-specimen:last-child { border-bottom: 0; }
body.pe-catalog .type-role { color: var(--pe-ink-3); font-size: 11px; }
body.pe-catalog .type-values { color: var(--pe-ink-3); font-size: 10.5px; text-align: right; }
body.pe-catalog .type-page { font-size: 20px; font-weight: 600; line-height: 1.35; }
body.pe-catalog .type-dialog { font-size: 17px; font-weight: 600; line-height: 1.4; }
body.pe-catalog .type-section { font-size: 13.5px; font-weight: 600; }
body.pe-catalog .type-label { font-size: 13px; font-weight: 500; }
body.pe-catalog .type-body { color: var(--pe-ink-2); font-size: 13px; font-weight: 400; }
body.pe-catalog .type-meta { color: var(--pe-ink-3); font-size: 11.5px; font-weight: 500; }

body.pe-catalog .token-table { width: 100%; border-collapse: collapse; }
body.pe-catalog .token-table th, body.pe-catalog .token-table td { height: 36px; padding: 6px 10px; border-bottom: 1px solid var(--pe-line); text-align: left; }
body.pe-catalog .token-table th { color: var(--pe-ink-3); background: var(--pe-surface-raised); font-size: 10.5px; font-weight: 600; }
body.pe-catalog .token-table td { font-size: 12px; }
body.pe-catalog .token-table tr:last-child td { border-bottom: 0; }
body.pe-catalog .measure { display: inline-flex; height: 18px; align-items: center; padding-inline: 4px; color: var(--pe-accent-label); border-inline: 1px solid var(--pe-accent); background: var(--pe-accent-soft); font-size: 10px; }

body.pe-catalog .tint-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); }
body.pe-catalog .tint { min-height: 76px; padding: 10px; border-right: 1px solid var(--pe-line); }
body.pe-catalog .tint:last-child { border-right: 0; }
body.pe-catalog .tint strong { display: block; font-size: 11px; font-weight: 600; }
body.pe-catalog .tint span { display: block; margin-top: 4px; color: var(--pe-ink-2); font-size: 10.5px; }
body.pe-catalog .tint.t4 { background: color-mix(in srgb, var(--pe-accent) 4%, var(--pe-surface)); }
body.pe-catalog .tint.t6 { background: color-mix(in srgb, var(--pe-accent) 6%, var(--pe-surface)); }
body.pe-catalog .tint.t10 { background: color-mix(in srgb, var(--pe-accent) 10%, var(--pe-surface)); }
body.pe-catalog .tint.t14 { background: color-mix(in srgb, var(--pe-accent) 14%, var(--pe-surface)); }
body.pe-catalog .tint.t22 { background: color-mix(in srgb, var(--pe-accent) 22%, var(--pe-surface)); }
body.pe-catalog .tint.t100 { color: var(--pe-accent-ink); background: var(--pe-accent); }
body.pe-catalog .tint.t100 span { color: inherit; opacity: .78; }

body.pe-catalog .material-stage { position: relative; min-height: 190px; overflow: hidden; border-radius: var(--pe-r-group); background: var(--pe-surface-muted); }
body.pe-catalog .material-content { display: grid; gap: 7px; padding: 18px; }
body.pe-catalog .material-content span { display: block; width: var(--w, 74%); height: 12px; border-radius: 3px; background: color-mix(in srgb, var(--pe-accent) 16%, var(--pe-surface)); }
body.pe-catalog .material-content span:nth-child(2n) { background: color-mix(in srgb, var(--pe-ink) 8%, var(--pe-surface)); }
body.pe-catalog .material-sample { position: absolute; right: 14px; bottom: 14px; left: 14px; min-height: 78px; padding: 12px; border: 1px solid var(--pe-line); border-radius: var(--pe-r-popover); }
body.pe-catalog .material-sample strong { display: block; font-size: 12.5px; font-weight: 600; }
body.pe-catalog .material-sample small { display: block; margin-top: 3px; color: var(--pe-ink-2); font-size: 11px; }
body.pe-catalog .material-sample.opaque { background: var(--pe-surface); }
body.pe-catalog .material-sample.control-frost { background: var(--pe-frost-control); -webkit-backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate)); backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate)); }
body.pe-catalog .material-sample.popover-frost { background: var(--pe-frost-popover); box-shadow: var(--pe-shadow-short); -webkit-backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); }
body.pe-catalog .material-stage.scrim-demo::after { position: absolute; inset: 0; background: var(--pe-scrim); -webkit-backdrop-filter: blur(var(--pe-scrim-blur)); backdrop-filter: blur(var(--pe-scrim-blur)); content: ""; }
body.pe-catalog .material-stage.scrim-demo .material-sample { z-index: 1; background: var(--pe-surface); box-shadow: var(--pe-shadow-dialog); }

/* Public material hooks hydrated from data-pe-material. */
body.pe-catalog .pe-material-opaque { background: var(--pe-surface); -webkit-backdrop-filter: none; backdrop-filter: none; }
body.pe-catalog .pe-material-control-glass { background: var(--pe-frost-control); -webkit-backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate)); backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate)); }
body.pe-catalog .pe-material-popover-glass { background: var(--pe-frost-popover); box-shadow: var(--pe-shadow-short); -webkit-backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); }
body.pe-catalog .pe-material-scrim { background: var(--pe-scrim); -webkit-backdrop-filter: blur(var(--pe-scrim-blur)); backdrop-filter: blur(var(--pe-scrim-blur)); }

body.pe-catalog .list-shell { overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface); }
body.pe-catalog .list-row { display: grid; min-height: 40px; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 0 10px; border-bottom: 1px solid var(--pe-line); }
body.pe-catalog .list-row:last-child { border-bottom: 0; }
body.pe-catalog .list-row.compact { min-height: 32px; }
body.pe-catalog .list-row.two-line { min-height: 54px; }
body.pe-catalog .list-row.settings { min-height: 48px; padding-inline: 12px; }
body.pe-catalog .list-row.selected { background: var(--pe-selected); }
body.pe-catalog .list-icon { display: grid; width: 24px; height: 24px; place-items: center; color: var(--pe-ink-2); border-radius: 6px; background: var(--pe-surface-muted); }
body.pe-catalog .list-copy { min-width: 0; }
body.pe-catalog .list-copy strong { display: block; overflow: hidden; font-size: 13px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
body.pe-catalog .list-copy small { display: -webkit-box; margin-top: 2px; overflow: hidden; color: var(--pe-ink-2); font-size: 12px; line-height: 1.45; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
body.pe-catalog .list-row.two-line .list-copy small { -webkit-line-clamp: 2; }
body.pe-catalog .list-meta { color: var(--pe-ink-3); font-size: 11.5px; white-space: nowrap; }
body.pe-catalog .row-action { width: 28px; height: 28px; padding: 0; color: var(--pe-ink-2); border: 0; border-radius: 5px; background: transparent; cursor: pointer; }
body.pe-catalog .row-action:hover { color: var(--pe-accent-label); }
body.pe-catalog .icon-copy-spec { display: grid; grid-template-columns: minmax(320px, 400px) minmax(280px, 1fr); align-items: start; gap: var(--pe-s6); }
body.pe-catalog .icon-copy-demo-shell,
body.pe-catalog .icon-copy-rules { overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface); }
body.pe-catalog .icon-copy-demo-shell { width: min(400px, 100%); justify-self: center; }
body.pe-catalog .icon-copy-demo-head { display: flex; min-height: 50px; align-items: center; justify-content: space-between; gap: var(--pe-s4); padding: 8px 10px; border-bottom: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .icon-copy-demo-head strong,
body.pe-catalog .icon-copy-demo-head small { display: block; }
body.pe-catalog .icon-copy-demo-head strong { font-size: 13.5px; font-weight: 600; }
body.pe-catalog .icon-copy-demo-head small { margin-top: 2px; color: var(--pe-ink-2); font-size: 11.5px; }
body.pe-catalog .icon-copy-demo-shell > [data-pe-list="icon-copy"] { border: 0; border-radius: 0; }
body.pe-catalog .icon-copy-rules { min-width: 0; }
body.pe-catalog .icon-copy-metrics { margin: 0; padding: 4px 12px 8px; }
body.pe-catalog .icon-copy-metrics > div { display: grid; min-height: 32px; grid-template-columns: 82px minmax(0, 1fr); align-items: center; gap: 8px; border-bottom: 1px solid var(--pe-line); }
body.pe-catalog .icon-copy-metrics > div:last-child { border-bottom: 0; }
body.pe-catalog .icon-copy-metrics dt { color: var(--pe-ink-3); font-size: 11.5px; }
body.pe-catalog .icon-copy-metrics dd { margin: 0; color: var(--pe-ink); font-size: 12px; font-weight: 500; }
body.pe-catalog .icon-copy-state-demo { display: grid; gap: 6px; padding: 10px 12px 12px; border-top: 1px solid var(--pe-line); background: var(--pe-surface-raised); }

@media (max-width: 920px) {
  body.pe-catalog .icon-copy-spec { grid-template-columns: minmax(0, 1fr); }
  body.pe-catalog .icon-copy-demo-shell,
  body.pe-catalog .icon-copy-rules { width: min(400px, 100%); justify-self: center; }
}

body.pe-catalog .library-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--pe-s6); }
body.pe-catalog .library-item { min-width: 0; padding: 8px; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface); }
body.pe-catalog .library-preview { aspect-ratio: 16 / 10; border-radius: 6px; background: var(--pe-surface-muted); }
body.pe-catalog .library-item strong { display: block; margin-top: 8px; overflow: hidden; font-size: 13px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
body.pe-catalog .library-item p { display: -webkit-box; margin: 3px 0 0; overflow: hidden; color: var(--pe-ink-2); font-size: 12px; line-height: 1.45; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
/* Shared media/copy/action skeleton for grid and list browsing modes. */
body.pe-catalog .library-item[data-pe-item="card-action"] { position: relative; min-width: 0; }
body.pe-catalog .library-item[data-pe-item="card-action"]:hover { border-color: color-mix(in srgb, var(--pe-accent) 30%, var(--pe-line)); }
body.pe-catalog .library-item[data-pe-item="card-action"][data-pe-state="selected"] { border-color: color-mix(in srgb, var(--pe-accent) 42%, var(--pe-line)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--pe-accent) 42%, transparent); }
body.pe-catalog .library-item[data-pe-item="card-action"][data-pe-state="disabled"] { color: var(--pe-ink-3); }
body.pe-catalog .library-item[data-pe-item="card-action"][data-pe-state="disabled"] :where([data-pe-region="media"], .library-preview) { opacity: .55; }
body.pe-catalog .library-grid > .library-item[data-pe-item="card-action"] { display: grid; grid-template-rows: auto minmax(0, 1fr); align-content: start; gap: var(--pe-s5); }
body.pe-catalog .library-item[data-pe-item="card-action"] > [data-pe-region="media"] { position: relative; display: block; width: 100%; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 6px; background: var(--pe-surface-muted); }
body.pe-catalog .library-item[data-pe-item="card-action"] .library-item-body { display: grid; min-width: 0; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: var(--pe-s4); }
body.pe-catalog .library-item[data-pe-item="card-action"] .library-item-copy { min-width: 0; }
body.pe-catalog .library-item[data-pe-item="card-action"] .library-item-body strong { margin-top: 0; }
body.pe-catalog .library-item[data-pe-item="card-action"] .library-item-body p { margin-top: var(--pe-s2); }
body.pe-catalog .library-item-actions { align-self: start; }
body.pe-catalog .library-list { display: grid; overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface); }
body.pe-catalog .library-list > .library-item { display: grid; min-height: 80px; grid-template-columns: 96px minmax(0, 1fr); align-items: center; gap: var(--pe-s5); padding: var(--pe-s4) var(--pe-s5); border: 0; border-bottom: 1px solid var(--pe-line); border-radius: 0; }
body.pe-catalog .library-list > .library-item:last-child { border-bottom: 0; }
body.pe-catalog .library-list > .library-item:hover { border-color: var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .library-list > .library-item > [data-pe-region="media"] { height: 64px; aspect-ratio: auto; }

body.pe-catalog .empty-state { display: grid; min-height: 180px; place-items: center; padding: 24px; text-align: center; }
body.pe-catalog .empty-copy { max-width: 320px; }
body.pe-catalog .empty-icon { display: grid; width: 28px; height: 28px; margin: 0 auto 8px; place-items: center; color: var(--pe-accent-label); border-radius: 6px; background: var(--pe-selected); }
body.pe-catalog .empty-copy strong { display: block; font-size: 14px; font-weight: 600; }
body.pe-catalog .empty-copy p { margin: 4px 0 12px; color: var(--pe-ink-2); font-size: 13px; line-height: 1.45; }

body.pe-catalog .architecture { display: grid; min-height: 330px; overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-dialog-l); background: var(--pe-surface); }
body.pe-catalog .arch-top { display: flex; min-height: 42px; align-items: center; gap: 6px; padding: 6px 10px; border-bottom: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .arch-body { display: grid; min-height: 0; grid-template-columns: 190px minmax(0, 1fr) 220px; }
body.pe-catalog .arch-side { padding: 10px; border-right: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .arch-side.right { border-right: 0; border-left: 1px solid var(--pe-line); }
body.pe-catalog .arch-nav-row { display: flex; height: var(--pe-menu-item-h, 30px); align-items: center; margin-bottom: 2px; padding: 0 8px; border-radius: 6px; color: var(--pe-ink-2); font-size: 12px; line-height: var(--pe-menu-item-h, 30px); }
body.pe-catalog .arch-nav-row.active { color: var(--pe-accent-label); background: var(--pe-selected); }
body.pe-catalog .arch-work { position: relative; display: grid; place-items: center; padding: 24px; background: var(--pe-surface-muted); }
body.pe-catalog .arch-work::before { width: min(420px, 72%); height: min(190px, 62%); border: 1px solid var(--pe-line); border-radius: 8px; background: var(--pe-surface); content: ""; }
body.pe-catalog .arch-caption { position: absolute; right: 10px; bottom: 8px; color: var(--pe-ink-3); font-size: 10px; }

body.pe-catalog .settings-architecture { display: grid; min-height: 300px; grid-template-columns: 208px minmax(0, 1fr); overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-dialog-l); background: var(--pe-surface); }
body.pe-catalog .settings-nav-demo { padding: 14px 10px; border-right: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .settings-nav-demo h3 { padding: 0 8px 10px; font-size: 14px; }
body.pe-catalog .settings-nav-title { display: block; padding: 0 8px 10px; font-size: 14px; }
body.pe-catalog .settings-content-demo { width: min(100%, 700px); padding: 18px 22px 28px; }
body.pe-catalog .settings-content-demo > h3 { font-size: 20px; font-weight: 600; }
body.pe-catalog .settings-content-demo > p { margin: 4px 0 18px; color: var(--pe-ink-2); }
body.pe-catalog .settings-group-demo { overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); }
body.pe-catalog .settings-group-demo { container: pe-settings-group / inline-size; }
body.pe-catalog [data-pe-list="settings"] { grid-template-columns: minmax(0, 1fr) auto; }
body.pe-catalog [data-pe-list="settings"] > :last-child { max-inline-size: min(100%, 220px); justify-self: end; }

@container pe-settings-group (max-width: 360px) {
  body.pe-catalog [data-pe-list="settings"] {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 8px;
    padding-block: 10px;
  }

  body.pe-catalog [data-pe-list="settings"] > :last-child:not([data-pe-control="switch"]):not([data-pe-control="segmented"]) {
    inline-size: min(100%, 220px);
    justify-self: start;
  }

  body.pe-catalog [data-pe-list="settings"] > :where([data-pe-control="switch"], [data-pe-control="segmented"]) {
    justify-self: start;
  }
}

body.pe-catalog .dialog-demo { overflow: hidden; color: var(--pe-ink); border: 0; border-radius: var(--pe-r-dialog); background: var(--pe-surface); box-shadow: var(--pe-shadow-dialog); }
body.pe-catalog .dialog-demo.s { width: min(400px, 100%); }
body.pe-catalog .dialog-demo.m { width: min(520px, 100%); }
body.pe-catalog .dialog-demo.l { width: min(740px, 100%); }
body.pe-catalog .dialog-demo.xl { width: min(900px, 100%); }
body.pe-catalog .dialog-head { display: flex; min-height: 50px; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 14px 16px 12px 18px; border-bottom: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .dialog-head h3 { font-size: 17px; font-weight: 600; }
body.pe-catalog .dialog-head p { margin: 3px 0 0; color: var(--pe-ink-2); font-size: 13px; line-height: 1.45; }
body.pe-catalog .dialog-body { min-height: 0; padding: 16px 18px 18px; background: var(--pe-surface); }
body.pe-catalog .dialog-body.scroll { max-height: 300px; overflow-y: auto; }
body.pe-catalog .dialog-footer { display: flex; min-height: 50px; align-items: center; justify-content: flex-end; gap: 6px; padding: 10px 18px; border-top: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .dialog-footer .footer-status { margin-right: auto; color: var(--pe-ink-2); font-size: 12px; }
body.pe-catalog .dialog-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
body.pe-catalog .dialog-column { min-width: 0; }
body.pe-catalog .dialog-column h4 { margin: 0 0 10px; font-size: 13.5px; font-weight: 600; }
body.pe-catalog .modal-basic-example + .modal-basic-example { margin-top: 24px; }
body.pe-catalog .modal-basic-example > .subhead { align-items: end; }
body.pe-catalog .confirm-layout { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 12px; }
body.pe-catalog .confirm-icon { display: grid; width: 30px; height: 30px; place-items: center; color: var(--pe-danger); border-radius: 8px; background: var(--pe-danger-soft); }
body.pe-catalog .confirm-layout h3 { font-size: 15px; font-weight: 600; }
body.pe-catalog .confirm-layout p { margin: 4px 0 0; color: var(--pe-ink-2); font-size: 13px; }

body.pe-catalog .dialog-stage { display: grid; min-height: 330px; place-items: center; padding: 28px; overflow: hidden; background: var(--pe-surface-muted); }
body.pe-catalog .anatomy-label { display: inline-flex; height: 20px; align-items: center; padding: 0 6px; color: var(--pe-accent-label); border: 1px solid color-mix(in srgb, var(--pe-accent) 30%, var(--pe-line)); border-radius: 4px; background: var(--pe-selected); font-size: 10px; font-weight: 600; }
body.pe-catalog .dialog-anatomy-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }

body.pe-catalog .popover-demo { width: 286px; overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-popover); background: var(--pe-frost-popover); box-shadow: var(--pe-shadow-short); -webkit-backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); }
body.pe-catalog .popover-head { padding: 10px 11px 8px; border-bottom: 1px solid var(--pe-line); }
body.pe-catalog .popover-head strong { font-size: 12.5px; font-weight: 600; }
body.pe-catalog .menu { min-width: 180px; padding: 4px; border: 1px solid var(--pe-line); border-radius: var(--pe-r-popover); background: var(--pe-frost-popover); box-shadow: var(--pe-shadow-short); -webkit-backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); }
body.pe-catalog .menu-item { display: grid; width: 100%; min-height: 30px; grid-template-columns: 16px minmax(0, 1fr) auto; align-items: center; gap: 7px; padding: 0 7px; color: var(--pe-ink); border: 0; border-radius: 5px; outline: 0; background: transparent; font-size: 12.5px; text-align: left; }
body.pe-catalog .menu-item:hover, body.pe-catalog .menu-item.selected { background: var(--pe-hover); }
body.pe-catalog .menu-item.selected { color: var(--pe-accent-label); }
body.pe-catalog .menu-item:focus-visible { box-shadow: 0 0 0 2px var(--pe-accent-focus); }
body.pe-catalog .menu-separator { height: 1px; margin: 4px; background: var(--pe-line); }
body.pe-catalog .coachmark { width: min(360px, 100%); padding: 14px; border: 1px solid var(--pe-line); border-radius: var(--pe-r-dialog-s); background: var(--pe-frost-popover); box-shadow: var(--pe-shadow-short); -webkit-backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate)); }
body.pe-catalog .coachmark h3 { font-size: 15px; }
body.pe-catalog .coachmark p { margin: 5px 0 12px; color: var(--pe-ink-2); }
body.pe-catalog .toast { display: grid; align-self: start; width: min(360px, 100%); min-height: 44px; grid-template-columns: 18px minmax(0, 1fr) auto; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--pe-line); border-radius: 9px; background: var(--pe-surface); box-shadow: var(--pe-shadow-short); }
body.pe-catalog .toast strong { font-size: 12.5px; font-weight: 500; }

body.pe-catalog .prototype-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
body.pe-catalog .prototype { min-width: 0; overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface-muted); container: pe-layout / inline-size; }
body.pe-catalog .prototype-title { display: flex; min-height: 40px; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 10px; border-bottom: 1px solid var(--pe-line); background: var(--pe-surface); }
body.pe-catalog .prototype-title strong { font-size: 12.5px; font-weight: 600; }
body.pe-catalog .prototype-title code { color: var(--pe-ink-3); }
body.pe-catalog .prototype-stage { min-height: 280px; display: grid; place-items: center; padding: 22px; overflow: auto; }
body.pe-catalog .prototype-stage .dialog-demo { transform-origin: center; }
/* Prototype scale: dense managers stay readable while respecting their true width. */
body.pe-catalog .prototype-stage.prototype-scale-s { place-items: start center; }
body.pe-catalog .prototype-stage.prototype-scale-s .dialog-demo { width: min(340px, 100%); }
body.pe-catalog .prototype-stage.prototype-scale-m { place-items: start center; }
body.pe-catalog .prototype-stage.prototype-scale-m .dialog-demo { width: min(430px, 100%); }
body.pe-catalog .prototype-stage.prototype-scale-l { padding: 16px; }
body.pe-catalog .prototype-stage.prototype-scale-l .dialog-demo { width: min(740px, 100%); }
body.pe-catalog .prototype-stage.prototype-scale-xl { padding: 14px; }
body.pe-catalog .prototype-stage.prototype-scale-xl .dialog-demo { width: min(900px, 100%); }
body.pe-catalog .prototype-stage.prototype-scale-xl .settings-mini { width: min(900px, 100%); }
body.pe-catalog .prototype-stage.prototype-preview-fit { align-content: center; }
body.pe-catalog .prototype-stage.prototype-preview-fit .share-preview { width: 100%; }
@media (max-width: 700px) {
  body.pe-catalog .prototype-stage.prototype-scale-l,
  body.pe-catalog .prototype-stage.prototype-scale-xl { padding: 14px; }
}
body.pe-catalog .mini-resource { padding: 10px; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface-raised); }
body.pe-catalog .mini-resource strong { font-size: 12.5px; font-weight: 600; }
body.pe-catalog .mini-resource p { margin: 3px 0 10px; color: var(--pe-ink-2); font-size: 11.5px; }
body.pe-catalog .resource-list { display: grid; gap: 5px; }
body.pe-catalog .resource-row { display: flex; height: 34px; align-items: center; justify-content: space-between; gap: 8px; padding: 0 8px; border: 1px solid var(--pe-line); border-radius: 6px; background: var(--pe-surface); font-size: 12px; }
body.pe-catalog .settings-mini { display: grid; width: min(680px, 100%); min-height: 330px; grid-template-columns: 168px minmax(0, 1fr); overflow: hidden; border-radius: var(--pe-r-dialog-l); background: var(--pe-surface); box-shadow: var(--pe-shadow-dialog); }
body.pe-catalog .settings-mini-nav { padding: 14px 8px; border-right: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .settings-mini-content { padding: 16px; }
body.pe-catalog .settings-mini-content h3 { font-size: 20px; font-weight: 600; }
body.pe-catalog .settings-mini-content > p,
body.pe-catalog .settings-mini-content > :where(div, header):first-child > p { margin: 3px 0 14px; color: var(--pe-ink-2); font-size: 12px; }
body.pe-catalog .share-preview { position: relative; display: grid; min-height: 130px; place-items: center; overflow: hidden; border: 1px solid var(--pe-line); border-radius: 8px; background: var(--pe-surface-muted); color: var(--pe-ink-3); font-size: 11px; }
body.pe-catalog .share-preview-canvas { display: grid; width: 82%; min-height: 96px; align-content: center; gap: 6px; padding: 12px; border: 1px solid var(--pe-line); border-radius: 6px; background: var(--pe-surface); box-shadow: var(--pe-shadow-short); }
body.pe-catalog .share-preview-canvas i { display: block; height: 6px; border-radius: 3px; background: color-mix(in srgb, var(--pe-accent) 26%, var(--pe-surface-muted)); }
body.pe-catalog .share-preview-canvas i:nth-child(2) { width: 72%; height: 8px; background: var(--pe-surface-muted); }
body.pe-catalog .share-preview-canvas i:nth-child(3) { width: 46%; background: color-mix(in srgb, var(--pe-ink-3) 22%, var(--pe-surface-muted)); }
body.pe-catalog .share-preview-caption { position: absolute; right: 8px; bottom: 6px; color: var(--pe-ink-3); font-size: 10.5px; }
body.pe-catalog .inline-alert { display: grid; align-self: start; gap: 5px; padding: 10px; color: var(--pe-warning); border: 1px solid color-mix(in srgb, var(--pe-warning) 35%, var(--pe-line)); border-radius: var(--pe-r-group); background: var(--pe-warning-soft); }
body.pe-catalog .inline-alert strong { font-size: 12.5px; font-weight: 600; }
body.pe-catalog .inline-alert p { margin: 0; font-size: 11.5px; }

body.pe-catalog .status-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
body.pe-catalog .status-card { position: relative; display: grid; min-height: 132px; align-content: center; justify-items: center; gap: 7px; padding: 14px; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface); text-align: center; }
body.pe-catalog .status-card[data-pe-state="loading"] .status-symbol { color: var(--pe-accent-label); background: var(--pe-selected); }
body.pe-catalog .status-card[data-pe-state="loading"] .status-symbol::after { content: ""; display: block; width: 12px; height: 12px; border: 2px solid color-mix(in srgb, var(--pe-accent) 30%, transparent); border-top-color: var(--pe-accent); border-radius: 50%; animation: pe-demo-spin 900ms linear infinite; }
body.pe-catalog .status-card[data-pe-state="loading"] .status-symbol { font-size: 0; }
@keyframes pe-demo-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  body.pe-catalog .status-card[data-pe-state="loading"] .status-symbol::after { animation: none; border-top-color: color-mix(in srgb, var(--pe-accent) 55%, transparent); }
}
/* Manager prototype stage rails: labelled strips under wide demos, catalog-only. */
body.pe-catalog .prototype-stage .stage-rail { display: flex; grid-column: 1 / -1; align-items: center; justify-content: center; gap: 6px; margin-top: 10px; color: var(--pe-ink-3); font-size: 10.5px; letter-spacing: .01em; }
body.pe-catalog .prototype-stage .stage-rail .state-chip { padding: 2px 7px; border: 1px solid var(--pe-line); border-radius: 999px; background: var(--pe-surface); font-size: 10.5px; white-space: nowrap; }
body.pe-catalog .prototype-stage .stage-rail .state-chip[data-chip="loading"] { color: var(--pe-accent-label); border-color: color-mix(in srgb, var(--pe-accent) 30%, var(--pe-line)); background: var(--pe-selected); }
body.pe-catalog .prototype-stage .stage-rail .state-chip[data-chip="empty"] { color: var(--pe-ink-2); }
body.pe-catalog .prototype-stage .stage-rail .state-chip[data-chip="error"] { color: var(--pe-danger); border-color: color-mix(in srgb, var(--pe-danger) 30%, var(--pe-line)); background: var(--pe-danger-soft); }
body.pe-catalog .prototype-stage.prototype-rail { grid-template-rows: minmax(0, 1fr) auto; }
body.pe-catalog .status-card strong { font-size: 13px; font-weight: 600; }
body.pe-catalog .status-card p { max-width: 220px; margin: 0; color: var(--pe-ink-2); font-size: 11.5px; line-height: 1.45; }
body.pe-catalog .status-card.error { border-color: color-mix(in srgb, var(--pe-danger) 32%, var(--pe-line)); background: var(--pe-danger-soft); }
body.pe-catalog .status-card.success { border-color: color-mix(in srgb, var(--pe-success) 30%, var(--pe-line)); background: var(--pe-success-soft); }
body.pe-catalog .status-symbol { display: grid; width: 24px; height: 24px; place-items: center; color: var(--pe-ink-2); border-radius: 6px; background: var(--pe-surface-muted); font-size: 12px; font-weight: 600; }
body.pe-catalog .status-card.error .status-symbol { color: var(--pe-danger); background: var(--pe-danger-soft); }
body.pe-catalog .status-card.success .status-symbol { color: var(--pe-success); background: var(--pe-success-soft); }
body.pe-catalog .status-spinner { width: 16px; height: 16px; border: 1.5px solid var(--pe-line-strong); border-right-color: var(--pe-accent); border-radius: 50%; animation: spin .8s linear infinite; }

body.pe-catalog .settings-pages { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
body.pe-catalog .settings-page-card { min-width: 0; overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface); }
body.pe-catalog .settings-page-card > header { min-height: 48px; padding: 10px 12px; border-bottom: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .settings-page-card > header strong { display: block; font-size: 13.5px; font-weight: 600; }
body.pe-catalog .settings-page-card > header small { display: block; margin-top: 2px; color: var(--pe-ink-2); font-size: 11.5px; }
body.pe-catalog .settings-page-body { padding: 8px 10px 10px; }
body.pe-catalog .settings-page-body .list-row.settings { grid-template-columns: minmax(0, 1fr) minmax(116px, 44%); }
body.pe-catalog .settings-page-body .list-row.settings > :last-child { justify-self: end; max-width: 100%; }
body.pe-catalog .scale-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
body.pe-catalog .scale-options .btn { width: 100%; }
body.pe-catalog .scale-options .btn[aria-pressed="true"] { color: var(--pe-accent-label); border-color: color-mix(in srgb, var(--pe-accent) 28%, var(--pe-line)); background: var(--pe-selected); }
body.pe-catalog .connection-state { display: inline-flex; min-height: 22px; align-items: center; gap: 5px; padding: 0 7px; color: var(--pe-success); border: 1px solid color-mix(in srgb, var(--pe-success) 28%, var(--pe-line)); border-radius: 5px; background: var(--pe-success-soft); font-size: 11px; font-weight: 500; }

body.pe-catalog .coverage-table { width: 100%; min-width: 860px; border-collapse: collapse; }
body.pe-catalog .coverage-table th, body.pe-catalog .coverage-table td { padding: 7px 9px; border-bottom: 1px solid var(--pe-line); text-align: left; vertical-align: top; }
body.pe-catalog .coverage-table th { color: var(--pe-ink-3); background: var(--pe-surface-raised); font-size: 10.5px; font-weight: 600; }
body.pe-catalog .coverage-table td { color: var(--pe-ink-2); font-size: 11.5px; }
body.pe-catalog .coverage-table td:first-child { color: var(--pe-ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10.5px; }
body.pe-catalog .coverage-table code { color: var(--pe-accent-label); }

body.pe-catalog .surface-map { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
body.pe-catalog .surface-chip { min-height: 74px; padding: 10px; border: 1px solid var(--pe-line); border-radius: 8px; background: var(--pe-surface); }
body.pe-catalog .surface-chip strong { display: block; overflow: hidden; font-size: 11.5px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
body.pe-catalog .surface-chip span { display: block; margin-top: 4px; color: var(--pe-ink-2); font-size: 10.5px; }
body.pe-catalog .surface-silhouette { display: flex; height: 22px; align-items: center; gap: 3px; margin-top: 8px; }
body.pe-catalog .surface-silhouette i { display: block; width: var(--w, 34px); height: var(--h, 17px); border: 1px solid var(--pe-line); border-radius: 4px; background: var(--pe-surface-muted); }
body.pe-catalog .surface-silhouette i.accent { border-color: color-mix(in srgb, var(--pe-accent) 35%, var(--pe-line)); background: var(--pe-selected); }

body.pe-catalog .viewport-demo { position: relative; overflow: hidden; border: 1px solid var(--pe-line); border-radius: var(--pe-r-group); background: var(--pe-surface-muted); }
body.pe-catalog .viewport-bar { display: flex; min-height: 34px; align-items: center; justify-content: space-between; padding: 0 9px; border-bottom: 1px solid var(--pe-line); background: var(--pe-surface); }
body.pe-catalog .viewport-bar strong { font-size: 11.5px; font-weight: 600; }
body.pe-catalog .viewport-canvas { min-height: 220px; padding: 14px; }
/* Scaled diagram only: preserve the real workbench ratio inside a narrow
   documentation tile without reusing the product's 216/240px pane tokens. */
body.pe-catalog .viewport-desktop .mini-layout { display: grid; min-height: 190px; grid-template-columns: 72px minmax(0, 1fr) 80px; border: 1px solid var(--pe-line); background: var(--pe-surface); }
body.pe-catalog .viewport-narrow { max-width: 380px; margin: auto; }
body.pe-catalog .viewport-narrow .mini-layout { min-height: 270px; border: 1px solid var(--pe-line); background: var(--pe-surface); }
body.pe-catalog .mini-pane { padding: 8px; border-right: 1px solid var(--pe-line); background: var(--pe-surface-raised); }
body.pe-catalog .mini-pane:last-child { border-right: 0; border-left: 1px solid var(--pe-line); }
body.pe-catalog .mini-work { display: grid; place-items: center; color: var(--pe-ink-3); font-size: 10px; }

body.pe-catalog .compliance-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
body.pe-catalog .compliance-item { display: flex; min-height: 42px; align-items: center; gap: 9px; padding: 8px 10px; border: 1px solid var(--pe-line); border-radius: 8px; background: var(--pe-surface); }
body.pe-catalog .pass-dot { display: grid; width: 18px; height: 18px; flex: 0 0 18px; place-items: center; color: var(--pe-success); border-radius: 50%; background: var(--pe-success-soft); font-size: 11px; font-weight: 700; }
body.pe-catalog .compliance-item strong { display: block; font-size: 12px; font-weight: 500; }
body.pe-catalog .compliance-item small { display: block; color: var(--pe-ink-2); font-size: 10.5px; }

body.pe-catalog .modal-layer { position: fixed; z-index: 50; inset: 0; display: grid; place-items: center; padding: 20px; background: var(--pe-scrim); -webkit-backdrop-filter: blur(var(--pe-scrim-blur)); backdrop-filter: blur(var(--pe-scrim-blur)); }
body.pe-catalog .modal-layer[hidden] { display: none; }
body.pe-catalog .modal-layer .dialog-demo { animation: modal-in 160ms cubic-bezier(.22,.8,.3,1); }
@keyframes modal-in { from { opacity: 0; transform: translateY(2px) scale(.99); } }

body.pe-catalog .accent-picker { display: flex; gap: 5px; }
body.pe-catalog .accent-swatch { width: 22px; height: 22px; padding: 0; border: 2px solid var(--pe-surface); border-radius: 6px; outline: 1px solid var(--pe-line); background: var(--swatch); cursor: pointer; }
body.pe-catalog .accent-swatch[aria-pressed="true"] { outline: 2px solid var(--pe-accent); outline-offset: 1px; }

body.pe-catalog .forbidden { position: relative; opacity: .64; }
body.pe-catalog .forbidden::after { position: absolute; inset: -4px; border: 2px solid var(--pe-danger); border-radius: 9px; content: ""; transform: rotate(-4deg); pointer-events: none; }
body.pe-catalog .bad-button { height: 54px; padding: 0 19px; color: white; border: 0; border-radius: 12px; background: #2453db; font-size: 20px; font-weight: 750; }

@media (max-width: 920px) {
  :root { --pe-nav-w: 190px; }
  body.pe-catalog .content { width: min(100% - 24px, 1120px); }
  body.pe-catalog .intro, body.pe-catalog .chapter-head { grid-template-columns: 1fr; }
  body.pe-catalog .grid-4, body.pe-catalog .surface-map, body.pe-catalog .status-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  body.pe-catalog .settings-pages { grid-template-columns: 1fr; }
  body.pe-catalog .prototype-grid { grid-template-columns: 1fr; }
  body.pe-catalog .arch-body { grid-template-columns: 160px minmax(0, 1fr); }
  body.pe-catalog .arch-side.right { display: none; }
  body.pe-catalog .library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  :root { --pe-nav-w: 0px; }
  body.pe-catalog .app-nav { position: sticky; top: 0; width: 100%; height: auto; flex-direction: row; align-items: center; padding: 7px 8px; border-right: 0; border-bottom: 1px solid var(--pe-line); }
  body.pe-catalog .brand-lockup { flex: 0 0 auto; padding: 0 8px 0 0; }
  body.pe-catalog .brand-lockup small, body.pe-catalog .nav-label, body.pe-catalog .nav-foot { display: none; }
  body.pe-catalog .nav-scroll { display: flex; overflow-x: auto; }
  body.pe-catalog .app-nav a { min-width: max-content; }
  body.pe-catalog .page { margin-left: 0; }
  body.pe-catalog .page-topbar { top: 42px; padding-inline: 12px; }
  body.pe-catalog .content { width: calc(100% - 20px); padding-top: 18px; }
  body.pe-catalog h1 { font-size: 24px; }
  body.pe-catalog .grid-2, body.pe-catalog .grid-3, body.pe-catalog .grid-4, body.pe-catalog .field-grid, body.pe-catalog .dialog-split, body.pe-catalog .compliance-list { grid-template-columns: 1fr; }
  body.pe-catalog .settings-pages { grid-template-columns: 1fr; }
  body.pe-catalog .field-grid .span-2 { grid-column: auto; }
  body.pe-catalog .tint-grid { grid-template-columns: repeat(3, 1fr); }
  body.pe-catalog .tint:nth-child(3) { border-right: 0; }
  body.pe-catalog .settings-architecture, body.pe-catalog .settings-mini { grid-template-columns: 1fr; }
  body.pe-catalog .settings-nav-demo, body.pe-catalog .settings-mini-nav { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--pe-line); }
  body.pe-catalog .settings-nav-demo h3 { display: none; }
  body.pe-catalog .arch-body { grid-template-columns: 1fr; }
  body.pe-catalog .arch-side { display: none; }
  body.pe-catalog .dialog-stage, body.pe-catalog .prototype-stage { padding: 14px; }
  body.pe-catalog .dialog-demo.l, body.pe-catalog .dialog-demo.xl { width: 100%; }
  body.pe-catalog .dialog-split { grid-template-columns: 1fr; }
  body.pe-catalog .surface-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  body.pe-catalog .type-specimen { grid-template-columns: 110px minmax(0,1fr); }
  body.pe-catalog .type-values { display: none; }
  body.pe-catalog .dialog-footer { flex-wrap: wrap; }
  body.pe-catalog .dialog-footer .footer-status { width: 100%; flex-basis: 100%; }
}

@media (max-width: 520px) {
  body.pe-catalog .library-grid { grid-template-columns: minmax(0, 1fr); }
  body.pe-catalog #lists .subhead { display: grid; gap: var(--pe-s2); }
  body.pe-catalog #lists .subhead p { max-width: none; }
  body.pe-catalog .status-grid { grid-template-columns: minmax(0, 1fr); justify-items: center; }
  body.pe-catalog .status-card { width: min(360px, 100%); }
  body.pe-catalog .library-list > .library-item { min-height: 72px; grid-template-columns: 80px minmax(0, 1fr); }
  body.pe-catalog .library-list > .library-item > [data-pe-region="media"] { height: 56px; }
}

@media (prefers-reduced-motion: reduce) {
  body.pe-catalog, body.pe-catalog *, body.pe-catalog *::before, body.pe-catalog *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media (pointer: coarse) {
  body.pe-catalog .btn::after { inset: -7px; }
  body.pe-catalog .btn.compact::after, body.pe-catalog .btn.icon::after, body.pe-catalog .btn.toolbar::after, body.pe-catalog .btn.composer-action::after { inset: -8px; }
}

@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  body.pe-catalog .page-topbar, body.pe-catalog .toolbar-demo.floating, body.pe-catalog .material-sample, body.pe-catalog .popover-demo, body.pe-catalog .menu, body.pe-catalog .coachmark, body.pe-catalog .pe-material-control-glass, body.pe-catalog .pe-material-popover-glass { background: var(--pe-surface) !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }
  body.pe-catalog .modal-layer { -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }
  body.pe-catalog .pe-material-scrim { -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  body.pe-catalog .page-topbar, body.pe-catalog .toolbar-demo.floating, body.pe-catalog .material-sample, body.pe-catalog .popover-demo, body.pe-catalog .menu, body.pe-catalog .coachmark, body.pe-catalog .pe-material-control-glass, body.pe-catalog .pe-material-popover-glass { background: var(--pe-surface); }
}

}


/* CATALOG_RULES_SCOPED_V1 */

/*
 * PenEcho public visual API
 *
 * Append this file after penecho-design-language.css. Product markup selects a
 * closed visual treatment with data-pe-* attributes; product modules may own
 * behavior and content, but must not redefine the geometry, tint or material
 * below. This layer intentionally has no body, .page or .panel rules.
 */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

:where([data-pe-button]) {
  position: relative;
  display: inline-flex;
  box-sizing: border-box;
  block-size: var(--pe-button-standard-h, 30px);
  min-block-size: var(--pe-button-standard-h, 30px);
  min-inline-size: 36px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin: 0;
  padding: 0 9px;
  appearance: none;
  color: var(--pe-ink);
  border: 1px solid var(--pe-line-strong);
  border-radius: var(--pe-control-radius, 5px);
  outline: 0;
  background: transparent;
  box-shadow: none;
  font-family: var(--pe-font-ui);
  font-size: 13px;
  font-weight: 500;
  line-height: var(--pe-button-standard-h, 30px);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    color 160ms ease-out,
    border-color 160ms ease-out,
    background-color 160ms ease-out,
    box-shadow 160ms ease-out,
    opacity 160ms ease-out;
}

/* The pseudo-element enlarges only the block-axis pointer target. Inline
   expansion is reserved for icon cells with matching layout margins, so
   adjacent targets never overlap. Standard controls are 30px visible / 36px
   target. */
:where([data-pe-button])::after {
  position: absolute;
  z-index: 1;
  inset-block: -3px;
  inset-inline: 0;
  border-radius: calc(var(--pe-control-radius, 5px) + 3px);
  content: "";
}

:where([data-pe-button]) > svg {
  display: block;
  inline-size: 14px;
  block-size: 14px;
  flex: 0 0 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

:where([data-pe-button="secondary"], [data-pe-button][data-pe-density="standard"]) {
  block-size: var(--pe-button-standard-h, 30px);
  min-block-size: var(--pe-button-standard-h, 30px);
  border-radius: var(--pe-control-radius, 5px);
  font-size: 13px;
  font-weight: 500;
}

:where([data-pe-button][data-pe-density="compact"]) {
  block-size: var(--pe-button-compact-h, 28px);
  min-block-size: var(--pe-button-compact-h, 28px);
  padding-inline: 8px;
  font-size: 12.5px;
  line-height: var(--pe-button-compact-h, 28px);
}

:where([data-pe-button][data-pe-density="compact"])::after {
  inset-block: -4px;
  inset-inline: 0;
  border-radius: calc(var(--pe-control-radius, 5px) + 4px);
}

:where([data-pe-button="icon"], [data-pe-button="toolbar"], [data-pe-button="composer-action"]) {
  inline-size: var(--pe-icon-button-h, 28px);
  min-inline-size: var(--pe-icon-button-h, 28px);
  block-size: var(--pe-icon-button-h, 28px);
  min-block-size: var(--pe-icon-button-h, 28px);
  flex: 0 0 var(--pe-icon-button-h, 28px);
  margin-inline: 4px;
  padding: 0;
  font-size: 13px;
}

:where([data-pe-button="icon"], [data-pe-button="toolbar"], [data-pe-button="composer-action"])::after {
  inset: -4px;
}

:where([data-pe-button="toolbar"]) {
  color: var(--pe-ink-2);
  border-color: transparent;
}

:where([data-pe-button="composer-action"]) {
  color: var(--pe-accent-ink);
  border-color: var(--pe-accent-strong);
  background: var(--pe-accent-strong);
}

:where([data-pe-button="ghost"]) {
  border-color: transparent;
}

:where([data-pe-button="danger"]) {
  color: var(--pe-danger);
  border-color: color-mix(in srgb, var(--pe-danger) 35%, var(--pe-line));
}

:where([data-pe-button="danger-primary"]) {
  color: #fff;
  border-color: var(--pe-danger-fill);
  background: var(--pe-danger-fill);
}

:where([data-pe-button="primary"]) {
  color: var(--pe-accent-ink);
  border-color: var(--pe-accent-strong);
  background: var(--pe-accent-strong);
}

:where([data-pe-button="segment"], [data-pe-button][data-pe-density="segment"]) {
  block-size: 24px;
  min-block-size: 24px;
  min-inline-size: 36px;
  padding: 0 8px;
  color: var(--pe-ink-2);
  border-color: transparent;
  border-radius: 4px;
  background: transparent;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 24px;
}

:where([data-pe-button="segment"], [data-pe-button][data-pe-density="segment"])::after {
  inset-block: -6px;
  inset-inline: 0;
  border-radius: 7px;
}

:where([data-pe-button="menu-item"]) {
  display: grid;
  inline-size: 100%;
  block-size: var(--pe-menu-item-h, 30px);
  min-block-size: var(--pe-menu-item-h, 30px);
  grid-template-columns: 16px minmax(0, 1fr) auto;
  align-items: center;
  justify-content: initial;
  gap: 7px;
  padding: 0 7px;
  color: var(--pe-ink);
  border-color: transparent;
  border-radius: 5px;
  background: transparent;
  font-size: 12.5px;
  line-height: var(--pe-menu-item-h, 30px);
  text-align: start;
}

:where([data-pe-button="menu-item"])::after {
  inset-block: -3px;
  inset-inline: 0;
  border-radius: 5px;
}

:where([data-pe-button]:not(:disabled):not([aria-disabled="true"]):hover),
:where([data-pe-button][data-pe-state="hover"]) {
  color: var(--pe-accent-label);
  border-color: color-mix(in srgb, var(--pe-accent) 45%, var(--pe-line));
}

:where([data-pe-button="ghost"]:not(:disabled):not([aria-disabled="true"]):hover),
:where([data-pe-button="ghost"][data-pe-state="hover"]),
:where([data-pe-button="toolbar"]:not(:disabled):not([aria-disabled="true"]):hover),
:where([data-pe-button="toolbar"][data-pe-state="hover"]),
:where([data-pe-button="menu-item"]:not(:disabled):not([aria-disabled="true"]):hover),
:where([data-pe-button="menu-item"][data-pe-state="hover"]) {
  border-color: transparent;
  background: var(--pe-hover);
}

:where([data-pe-button="toolbar"]:not(:disabled):not([aria-disabled="true"]):hover) {
  color: var(--pe-ink);
}

:where([data-pe-button="primary"]:not(:disabled):not([aria-disabled="true"]):hover),
:where([data-pe-button="primary"][data-pe-state="hover"]),
:where([data-pe-button="composer-action"]:not(:disabled):not([aria-disabled="true"]):hover),
:where([data-pe-button="composer-action"][data-pe-state="hover"]) {
  color: var(--pe-accent-ink);
  border-color: color-mix(in srgb, var(--pe-accent-strong) 84%, #000);
  background: color-mix(in srgb, var(--pe-accent-strong) 89%, #000);
}

:where([data-pe-button="danger"]:not(:disabled):not([aria-disabled="true"]):hover),
:where([data-pe-button="danger"][data-pe-state="hover"]) {
  color: var(--pe-danger);
  border-color: var(--pe-danger);
}

:where([data-pe-button="danger-primary"]:not(:disabled):not([aria-disabled="true"]):hover),
:where([data-pe-button="danger-primary"][data-pe-state="hover"]) {
  color: #fff;
  border-color: var(--pe-danger-fill);
  background: color-mix(in srgb, var(--pe-danger-fill) 89%, #000);
}

:where([data-pe-button]:not(:disabled):not([aria-disabled="true"]):active),
:where([data-pe-button][data-pe-state="active"]) {
  color: var(--pe-ink);
  border-color: var(--pe-line-strong);
  background: var(--pe-surface-pressed);
}

:where([data-pe-button="primary"]:not(:disabled):not([aria-disabled="true"]):active),
:where([data-pe-button="primary"][data-pe-state="active"]),
:where([data-pe-button="composer-action"]:not(:disabled):not([aria-disabled="true"]):active),
:where([data-pe-button="composer-action"][data-pe-state="active"]) {
  color: var(--pe-accent-ink);
  border-color: var(--pe-accent-strong);
  background: color-mix(in srgb, var(--pe-accent-strong) 80%, #000);
}

:where([data-pe-button="danger-primary"]:not(:disabled):not([aria-disabled="true"]):active),
:where([data-pe-button="danger-primary"][data-pe-state="active"]) {
  color: #fff;
  border-color: var(--pe-danger-fill);
  background: color-mix(in srgb, var(--pe-danger-fill) 80%, #000);
}

:where([data-pe-button]:focus-visible),
:where([data-pe-button][data-pe-state="focus"]) {
  border-color: var(--pe-accent);
  box-shadow: 0 0 0 2px var(--pe-accent-focus);
}

:where([data-pe-button][data-pe-state="selected"]),
:where([data-pe-button][aria-pressed="true"]),
:where([data-pe-button][aria-selected="true"]),
:where([data-pe-button][aria-checked="true"]) {
  color: var(--pe-accent-label);
  border-color: color-mix(in srgb, var(--pe-accent) 28%, var(--pe-line));
  background: var(--pe-selected);
}

:where([data-pe-button="segment"][data-pe-state="selected"]),
:where([data-pe-button="segment"][aria-pressed="true"]),
:where([data-pe-button="segment"][aria-selected="true"]) {
  color: var(--pe-ink);
  border-color: var(--pe-line);
  background: var(--pe-surface);
}

:where([data-pe-button="menu-item"][data-pe-state="selected"]),
:where([data-pe-button="menu-item"][aria-checked="true"]),
:where([data-pe-button="menu-item"][aria-selected="true"]) {
  color: var(--pe-accent-label);
  border-color: transparent;
  background: var(--pe-hover);
}

:where([data-pe-button]:disabled),
:where([data-pe-button][aria-disabled="true"]),
:where([data-pe-button][data-pe-state="disabled"]) {
  color: var(--pe-ink-3);
  border-color: var(--pe-line);
  background-color: transparent;
  opacity: .5;
  cursor: not-allowed;
  pointer-events: none;
}

:where([data-pe-button][aria-busy="true"]),
:where([data-pe-button][data-pe-state="busy"]) {
  opacity: .74;
  cursor: progress;
  pointer-events: none;
}

:where([data-pe-button][aria-busy="true"])::before,
:where([data-pe-button][data-pe-state="busy"])::before {
  inline-size: 11px;
  block-size: 11px;
  flex: 0 0 11px;
  border: 1.5px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  content: "";
  animation: pe-public-spin .8s linear infinite;
}

:where([data-pe-button][aria-busy="true"]) > svg,
:where([data-pe-button][data-pe-state="busy"]) > svg {
  display: none;
}

@keyframes pe-public-spin {
  to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   Form controls
   -------------------------------------------------------------------------- */

:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"]) {
  box-sizing: border-box;
  inline-size: 100%;
  block-size: var(--pe-input-h, 30px);
  min-inline-size: 0;
  margin: 0;
  padding: 0 9px;
  appearance: none;
  color: var(--pe-ink);
  border: 1px solid var(--pe-line-strong);
  border-radius: var(--pe-control-radius, 5px);
  outline: 0;
  background-color: var(--pe-surface);
  box-shadow: none;
  font-family: var(--pe-font-ui);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.35;
  transition: border-color 160ms ease-out, box-shadow 160ms ease-out, background-color 160ms ease-out;
}

:where([data-pe-control="textarea"]) {
  block-size: auto;
  min-block-size: 64px;
  padding-block: 7px;
  line-height: 1.45;
  resize: vertical;
}

:where([data-pe-control="select"]) {
  padding-inline-end: 28px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--pe-ink-2) 50%),
    linear-gradient(135deg, var(--pe-ink-2) 50%, transparent 50%);
  background-position:
    calc(100% - 14px) 12px,
    calc(100% - 10px) 12px;
  background-repeat: no-repeat;
  background-size: 4px 4px;
}

:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"])::placeholder {
  color: var(--pe-ink-3);
  opacity: 1;
}

:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"]):hover {
  border-color: var(--pe-line-strong);
}

:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"]):focus,
:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"])[data-pe-state="focus"] {
  border-color: var(--pe-accent);
  box-shadow: 0 0 0 2px var(--pe-accent-focus);
}

:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"])[aria-invalid="true"],
:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"])[data-pe-state="error"] {
  border-color: var(--pe-danger);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--pe-danger) 18%, transparent);
}

:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"]):disabled,
:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"])[aria-disabled="true"],
:where([data-pe-control="input"], [data-pe-control="select"], [data-pe-control="textarea"])[data-pe-state="disabled"] {
  color: var(--pe-ink-3);
  background-color: var(--pe-surface-muted);
  opacity: .62;
  cursor: not-allowed;
}

:where([data-pe-control="checkbox"], [data-pe-control="radio"]) {
  box-sizing: border-box;
  inline-size: 15px;
  block-size: 15px;
  flex: 0 0 15px;
  margin: 0;
  accent-color: var(--pe-accent);
  cursor: pointer;
}

:where([data-pe-control="checkbox"], [data-pe-control="radio"]):focus-visible {
  outline: 2px solid var(--pe-accent-focus);
  outline-offset: 2px;
}

:where([data-pe-control="checkbox"], [data-pe-control="radio"]):disabled,
:where([data-pe-control="checkbox"], [data-pe-control="radio"])[aria-disabled="true"] {
  opacity: .5;
  cursor: not-allowed;
}

/* Native checkbox/radio boxes stay 15px; the containing label owns the
   pointer footprint so replaced-element behavior stays consistent in
   Chromium, Safari and Firefox. */
:where([data-pe-hit="choice"]) {
  display: flex;
  min-block-size: 36px;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

:where([data-pe-control="switch"]) {
  position: relative;
  display: inline-block;
  box-sizing: border-box;
  inline-size: 36px;
  block-size: 20px;
  min-inline-size: 36px;
  flex: 0 0 36px;
  margin: 0;
  padding: 0;
  appearance: none;
  border: 1px solid var(--pe-line-strong);
  border-radius: 999px;
  outline: 0;
  background: var(--pe-surface);
  cursor: pointer;
  transition: border-color 170ms ease-out, background-color 170ms ease-out, opacity 170ms ease-out;
}

:where([data-pe-control="switch"])::before {
  position: absolute;
  inset-block: -8px;
  inset-inline: 0;
  content: "";
}

:where([data-pe-control="switch"])::after {
  position: absolute;
  inset-block-start: 1px;
  inset-inline-start: 1px;
  inline-size: 16px;
  block-size: 16px;
  border-radius: 50%;
  background: var(--pe-ink-2);
  content: "";
  transition: transform 170ms ease-out, background-color 170ms ease-out;
}

:where([data-pe-control="switch"][aria-checked="true"]),
:where([data-pe-control="switch"][data-pe-state="selected"]) {
  border-color: var(--pe-accent);
  background: var(--pe-accent);
}

:where([data-pe-control="switch"][aria-checked="true"])::after,
:where([data-pe-control="switch"][data-pe-state="selected"])::after {
  background: #fff;
  transform: translateX(16px);
}

:where([data-pe-control="switch"]:focus-visible),
:where([data-pe-control="switch"][data-pe-state="focus"]) {
  box-shadow: 0 0 0 2px var(--pe-accent-focus);
}

:where([data-pe-control="switch"]:disabled),
:where([data-pe-control="switch"][aria-disabled="true"]),
:where([data-pe-control="switch"][data-pe-state="disabled"]) {
  opacity: .5;
  cursor: not-allowed;
  pointer-events: none;
}

:where([data-pe-control="segmented"]) {
  display: inline-flex;
  box-sizing: border-box;
  inline-size: max-content;
  max-inline-size: 100%;
  block-size: 30px;
  flex: 0 0 auto;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--pe-line);
  border-radius: 6px;
  background: var(--pe-surface-muted);
}

:where([data-pe-control="segmented"]) > :where(button, [role="radio"], [role="tab"], [data-pe-button="segment"]) {
  block-size: 24px;
  min-block-size: 24px;
  padding: 0 8px;
  color: var(--pe-ink-2);
  border: 1px solid transparent;
  border-radius: 4px;
  outline: 0;
  background: transparent;
  font-family: var(--pe-font-ui);
  font-size: 12.5px;
  font-weight: 500;
  line-height: 24px;
  cursor: pointer;
}

:where([data-pe-control="segmented"]) > :where(button, [role="radio"], [role="tab"]):hover {
  color: var(--pe-ink);
}

:where([data-pe-control="segmented"]) > :where([aria-pressed="true"], [aria-checked="true"], [aria-selected="true"], [data-pe-state="selected"]) {
  color: var(--pe-ink);
  border-color: var(--pe-line);
  background: var(--pe-surface);
}

:where([data-pe-control="segmented"]) > :where(button, [role="radio"], [role="tab"]):focus-visible {
  border-color: var(--pe-accent);
  box-shadow: 0 0 0 2px var(--pe-accent-focus);
}

:where([data-pe-control="tab"]) {
  display: flex;
  align-items: end;
  gap: 14px;
  border-block-end: 1px solid var(--pe-line);
}

:where([data-pe-control="tab"]) > :where(button, [role="tab"]) {
  position: relative;
  box-sizing: border-box;
  block-size: 36px;
  padding: 0 1px;
  appearance: none;
  color: var(--pe-ink-2);
  border: 0;
  outline: 0;
  background: transparent;
  font-family: var(--pe-font-ui);
  font-size: 12.5px;
  font-weight: 500;
  line-height: 36px;
  cursor: pointer;
}

:where([data-pe-control="tab"]) > :where(button, [role="tab"])[aria-selected="true"],
:where([data-pe-control="tab"]) > :where(button, [role="tab"])[data-pe-state="selected"] {
  color: var(--pe-ink);
}

:where([data-pe-control="tab"]) > :where(button, [role="tab"])[aria-selected="true"]::after,
:where([data-pe-control="tab"]) > :where(button, [role="tab"])[data-pe-state="selected"]::after {
  position: absolute;
  inset-inline: 0;
  inset-block-end: -1px;
  block-size: 2px;
  background: var(--pe-accent);
  content: "";
}

:where([data-pe-control="tab"]) > :where(button, [role="tab"]):focus-visible {
  box-shadow: 0 0 0 2px var(--pe-accent-focus);
}

:where([data-pe-control="range"]) {
  box-sizing: border-box;
  inline-size: 100%;
  block-size: 30px;
  margin: 0;
  appearance: none;
  outline: 0;
  background: transparent;
  cursor: pointer;
}

:where([data-pe-control="range"])::-webkit-slider-runnable-track {
  block-size: 3px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--pe-accent) 0 var(--pe-range-value, 50%),
    var(--pe-line-strong) var(--pe-range-value, 50%) 100%
  );
}

:where([data-pe-control="range"])::-webkit-slider-thumb {
  inline-size: 14px;
  block-size: 14px;
  margin-block-start: -5.5px;
  appearance: none;
  border: 1px solid color-mix(in srgb, var(--pe-accent) 55%, var(--pe-line));
  border-radius: 50%;
  background: var(--pe-surface);
}

:where([data-pe-control="range"]:focus-visible)::-webkit-slider-thumb,
:where([data-pe-control="range"][data-pe-state="focus"])::-webkit-slider-thumb {
  border-color: var(--pe-accent);
  box-shadow: 0 0 0 2px var(--pe-accent-focus);
}

:where([data-pe-control="range"])::-moz-range-track {
  block-size: 3px;
  border-radius: 999px;
  background: var(--pe-line-strong);
}

:where([data-pe-control="range"])::-moz-range-progress {
  block-size: 3px;
  border-radius: 999px;
  background: var(--pe-accent);
}

:where([data-pe-control="range"])::-moz-range-thumb {
  inline-size: 14px;
  block-size: 14px;
  border: 1px solid color-mix(in srgb, var(--pe-accent) 55%, var(--pe-line));
  border-radius: 50%;
  background: var(--pe-surface);
}

:where([data-pe-control="range"]:focus-visible)::-moz-range-thumb,
:where([data-pe-control="range"][data-pe-state="focus"])::-moz-range-thumb {
  border-color: var(--pe-accent);
  box-shadow: 0 0 0 2px var(--pe-accent-focus);
}

:where([data-pe-control="range"]:disabled),
:where([data-pe-control="range"][aria-disabled="true"]),
:where([data-pe-control="range"][data-pe-state="disabled"]) {
  opacity: .45;
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   Lists and grids
   -------------------------------------------------------------------------- */

:where([data-pe-list]) {
  box-sizing: border-box;
  min-inline-size: 0;
}

:where([data-pe-list="menu"]) {
  display: grid;
  min-inline-size: 180px;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-popover, 10px);
}

/* Compact may mark either one 32px row or a picker result container. */
:where([data-pe-list="compact"],
       [data-pe-list="single"],
       [data-pe-list="double"],
       [data-pe-list="settings"]) {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding-inline: 10px;
  border-block-end: 1px solid var(--pe-line);
}

:where([data-pe-list="compact"]) {
  min-block-size: 32px;
}

:where([data-pe-list="single"]) {
  min-block-size: 40px;
}

:where([data-pe-list="double"]) {
  min-block-size: 54px;
}

:where([data-pe-list="settings"]) {
  min-block-size: 48px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding-inline: 12px;
}

:where([data-pe-list="compact-group"]) {
  display: grid;
  gap: 0;
}

:where([data-pe-list="grid"]) {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--pe-s6, 12px);
}

:where([data-pe-list="grid"]) > * {
  box-sizing: border-box;
  min-inline-size: 0;
  padding: 8px;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-group, 10px);
  background: var(--pe-surface);
}

:where([data-pe-list="grid"]) > [data-pe-item="card-action"] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-content: start;
  gap: var(--pe-s5, 10px);
}

:where([data-pe-item="card-action"]) {
  min-inline-size: 0;
}

:where([data-pe-item="card-action"]) > [data-pe-region="media"] {
  position: relative;
  display: block;
  inline-size: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 6px;
  background: var(--pe-surface-muted);
}

:where([data-pe-item="card-action"]) > [data-pe-region="content"] {
  display: grid;
  min-inline-size: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--pe-s4, 8px);
}

:where([data-pe-item="card-action"]) [data-pe-region="copy"] {
  min-inline-size: 0;
}

:where([data-pe-item="card-action"]) [data-pe-region="title"] {
  display: block;
  overflow: hidden;
  margin: 0;
  color: var(--pe-ink);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

:where([data-pe-item="card-action"]) [data-pe-region="description"] {
  display: -webkit-box;
  margin: var(--pe-s2, 4px) 0 0;
  overflow: hidden;
  color: var(--pe-ink-2);
  font-size: 12px;
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

:where([data-pe-item="card-action"]) [data-pe-region="actions"] {
  align-self: start;
}

:where([data-pe-list="grid"]) > [data-pe-item="card-action"]:hover {
  border-color: var(--pe-line-strong);
  border-color: color-mix(in srgb, var(--pe-accent) 30%, var(--pe-line));
}

:where([data-pe-list="grid"]) > [data-pe-item="card-action"][data-pe-state="selected"] {
  border-color: var(--pe-accent);
  border-color: color-mix(in srgb, var(--pe-accent) 42%, var(--pe-line));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--pe-accent) 42%, transparent);
}

:where([data-pe-item="card-action"])[data-pe-state="disabled"] {
  color: var(--pe-ink-3);
}

:where([data-pe-item="card-action"])[data-pe-state="disabled"] > [data-pe-region="media"] {
  opacity: .55;
}

:where([data-pe-list="media-list"]) {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-group, 10px);
  background: var(--pe-surface);
}

:where([data-pe-list="media-list"]) > [data-pe-item="card-action"] {
  display: grid;
  min-block-size: 80px;
  grid-template-columns: 96px minmax(0, 1fr);
  align-items: center;
  gap: var(--pe-s5, 10px);
  padding: var(--pe-s4, 8px) var(--pe-s5, 10px);
  border-block-end: 1px solid var(--pe-line);
}

:where([data-pe-list="media-list"]) > [data-pe-item="card-action"]:last-child {
  border-block-end: 0;
}

:where([data-pe-list="media-list"]) > [data-pe-item="card-action"]:hover {
  background: var(--pe-surface-raised);
}

:where([data-pe-list="media-list"]) > [data-pe-item="card-action"] > [data-pe-region="media"] {
  block-size: 64px;
  aspect-ratio: auto;
}

@container pe-layout (max-width: 760px) {
  :where([data-pe-list="grid"]) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@container pe-layout (max-width: 520px) {
  :where([data-pe-list="grid"]) {
    grid-template-columns: minmax(0, 1fr);
  }

  :where([data-pe-list="media-list"]) > [data-pe-item="card-action"] {
    min-block-size: 72px;
    grid-template-columns: 80px minmax(0, 1fr);
  }

  :where([data-pe-list="media-list"]) > [data-pe-item="card-action"] > [data-pe-region="media"] {
    block-size: 56px;
  }
}

@media (max-width: 920px) {
  :where([data-pe-list="grid"]) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  :where([data-pe-list="grid"]) {
    grid-template-columns: minmax(0, 1fr);
  }

  :where([data-pe-list="media-list"]) > [data-pe-item="card-action"] {
    min-block-size: 72px;
    grid-template-columns: 80px minmax(0, 1fr);
  }

  :where([data-pe-list="media-list"]) > [data-pe-item="card-action"] > [data-pe-region="media"] {
    block-size: 56px;
  }
}

:where([data-pe-list="compact"], [data-pe-list="single"], [data-pe-list="double"], [data-pe-list="settings"])[data-pe-state="selected"] {
  background: var(--pe-selected);
}

:where([data-pe-list="compact"], [data-pe-list="single"], [data-pe-list="double"], [data-pe-list="settings"]):last-child {
  border-block-end: 0;
}

:where([data-pe-list]) :where(.pe-list-copy, .pe-item-copy, .list-copy) {
  min-inline-size: 0;
}

:where([data-pe-list]) :where(.pe-list-copy, .pe-item-copy, .list-copy) > strong {
  display: block;
  overflow: hidden;
  color: var(--pe-ink);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

:where([data-pe-list]) :where(.pe-list-copy, .pe-item-copy, .list-copy) > small {
  display: -webkit-box;
  margin-block-start: 2px;
  overflow: hidden;
  color: var(--pe-ink-2);
  font-size: 12px;
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

:where([data-pe-list="double"]) :where(.pe-list-copy, .pe-item-copy, .list-copy) > small {
  -webkit-line-clamp: 2;
}

/* Icon + title + two-line copy. This is one content action, never a button
   plus a separately clickable icon or title. */
:where([data-pe-list="icon-copy"]) {
  display: grid;
  min-inline-size: 0;
  overflow: hidden;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-group, 10px);
  background: var(--pe-surface);
}

:where([data-pe-list="icon-copy"]) > [data-pe-region="group"] {
  display: grid;
  min-inline-size: 0;
}

:where([data-pe-list="icon-copy"]) > [data-pe-region="group"] + [data-pe-region="group"] {
  margin-block-start: 5px;
  padding-block-start: 4px;
  border-block-start: 1px solid var(--pe-line);
}

:where([data-pe-list="icon-copy"]) [data-pe-region="group-label"] {
  margin: 0;
  padding: 9px 10px 5px;
  color: var(--pe-ink-3);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
}

[data-pe-item="icon-copy-action"] {
  display: grid;
  inline-size: 100%;
  min-inline-size: 0;
  min-block-size: 70px;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 8px 10px;
  appearance: none;
  color: var(--pe-ink);
  border: 0;
  border-block-end: 1px solid var(--pe-line);
  border-radius: 0;
  outline: 0;
  background: transparent;
  box-shadow: none;
  font-family: var(--pe-font-ui);
  text-align: start;
  cursor: pointer;
  transition: color 160ms ease-out, background-color 160ms ease-out, box-shadow 160ms ease-out;
}

:where([data-pe-list="icon-copy"]) > [data-pe-region="group"] > [data-pe-item="icon-copy-action"]:last-child {
  border-block-end: 0;
}

[data-pe-item="icon-copy-action"]:hover,
[data-pe-item="icon-copy-action"][data-pe-state="hover"] {
  background: var(--pe-surface-raised);
  background: color-mix(in srgb, var(--pe-accent) 4%, var(--pe-surface));
}

[data-pe-item="icon-copy-action"]:focus-visible,
[data-pe-item="icon-copy-action"][data-pe-state="focus"] {
  box-shadow: inset 0 0 0 2px var(--pe-accent-focus);
}

[data-pe-item="icon-copy-action"]:active,
[data-pe-item="icon-copy-action"][data-pe-state="active"] {
  background: var(--pe-surface-pressed);
}

[data-pe-item="icon-copy-action"][data-pe-state="selected"] {
  color: var(--pe-accent-label);
  background: var(--pe-selected);
}

[data-pe-item="icon-copy-action"]:disabled,
[data-pe-item="icon-copy-action"][aria-disabled="true"],
[data-pe-item="icon-copy-action"][data-pe-state="disabled"] {
  opacity: .5;
  cursor: not-allowed;
}

[data-pe-item="icon-copy-action"] > [data-pe-region="media"] {
  display: grid;
  inline-size: 30px;
  block-size: 30px;
  place-items: center;
  color: var(--pe-ink-2);
  border-radius: 7px;
  background: var(--pe-surface-muted);
}

[data-pe-item="icon-copy-action"][data-pe-state="selected"] > [data-pe-region="media"] {
  color: var(--pe-accent-label);
}

[data-pe-item="icon-copy-action"] > [data-pe-region="media"] > svg {
  inline-size: 17px;
  block-size: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.65;
}

[data-pe-item="icon-copy-action"] > [data-pe-region="copy"] {
  display: grid;
  min-inline-size: 0;
  align-content: center;
  gap: 3px;
}

[data-pe-item="icon-copy-action"] [data-pe-region="title"] {
  display: block;
  overflow: hidden;
  color: var(--pe-ink);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-pe-item="icon-copy-action"] [data-pe-region="description"] {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--pe-ink-2);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

@media (max-width: 360px) {
  [data-pe-item="icon-copy-action"] {
    gap: 9px;
    padding-inline: 8px;
  }

  :where([data-pe-list="icon-copy"]) [data-pe-region="group-label"] {
    padding-inline: 8px;
  }
}

/* --------------------------------------------------------------------------
   Materials
   -------------------------------------------------------------------------- */

:where([data-pe-material]) {
  box-sizing: border-box;
}

:where([data-pe-container]) {
  min-inline-size: 0;
  container: pe-layout / inline-size;
}

:where([data-pe-material="opaque"]) {
  background-color: var(--pe-surface);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

:where([data-pe-material="control-glass"]) {
  background-color: var(--pe-frost-control);
  -webkit-backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate));
  backdrop-filter: blur(var(--pe-glass-blur)) saturate(var(--pe-glass-saturate));
}

:where([data-pe-material="popover-glass"]) {
  background-color: var(--pe-frost-popover);
  box-shadow: var(--pe-shadow-short);
  -webkit-backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate));
  backdrop-filter: blur(var(--pe-popover-blur)) saturate(var(--pe-glass-saturate));
}

:where([data-pe-material="scrim"]) {
  background-color: var(--pe-scrim);
  -webkit-backdrop-filter: blur(var(--pe-scrim-blur));
  backdrop-filter: blur(var(--pe-scrim-blur));
}

/* --------------------------------------------------------------------------
   Surfaces, size and layout
   -------------------------------------------------------------------------- */

:where([data-pe-surface]) {
  box-sizing: border-box;
  min-inline-size: 0;
  max-inline-size: 100%;
  color: var(--pe-ink);
  font-family: var(--pe-font-ui);
}

:where([data-pe-surface="dialog"], [data-pe-surface="form"], [data-pe-surface="help"], [data-pe-surface="manager"], [data-pe-surface="settings"], [data-pe-surface="result"]) {
  overflow: hidden;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-dialog, 14px);
  background: var(--pe-surface);
  box-shadow: var(--pe-shadow-dialog);
}

:where([data-pe-surface="popover"], [data-pe-surface="menu"]) {
  overflow: hidden;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-popover, 10px);
  box-shadow: var(--pe-shadow-short);
}

:where([data-pe-surface="coachmark"]) {
  padding: 14px;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-dialog-s, 12px);
  box-shadow: var(--pe-shadow-short);
}

:where([data-pe-surface="tooltip"]) {
  inline-size: max-content;
  max-inline-size: min(286px, 100%);
  padding: 6px 8px;
  color: var(--pe-ink);
  border: 1px solid var(--pe-line);
  border-radius: 7px;
  box-shadow: var(--pe-shadow-short);
  font-size: 11.5px;
  line-height: 1.35;
}

:where([data-pe-surface="toast"], [data-pe-surface="activity-status"], [data-pe-surface="page-status"][data-pe-presentation="inline-page"]) {
  display: grid;
  min-block-size: 44px;
  grid-template-columns: 18px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--pe-line);
  border-radius: 9px;
  background: var(--pe-surface);
  box-shadow: var(--pe-shadow-short);
}

:where([data-pe-surface="page-status"][data-pe-presentation="fullscreen-status"]) {
  display: grid;
  min-block-size: 120px;
  place-content: center;
  gap: 5px;
  padding: 24px;
  color: var(--pe-ink-2);
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-group, 10px);
  background: var(--pe-surface);
  text-align: center;
}

:where([data-pe-surface="page-status"][data-pe-presentation="fullscreen-status"]) > :where(strong, h3) {
  color: var(--pe-ink);
  font-size: 13.5px;
  font-weight: 600;
}

:where([data-pe-presentation="context-toolbar"]) {
  inline-size: fit-content;
  max-inline-size: 100%;
}

:where([data-pe-surface="tool-panel"]) {
  overflow: hidden;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-group, 10px);
  background: var(--pe-surface);
}

:where([data-pe-surface="alert"]) {
  display: grid;
  gap: 5px;
  padding: 10px;
  color: var(--pe-warning);
  border: 1px solid color-mix(in srgb, var(--pe-warning) 35%, var(--pe-line));
  border-radius: var(--pe-r-group, 10px);
  background: var(--pe-warning-soft);
}

:where([data-pe-surface="alert"][data-pe-state="error"]) {
  color: var(--pe-danger);
  border-color: color-mix(in srgb, var(--pe-danger) 35%, var(--pe-line));
  background: var(--pe-danger-soft);
}

:where([data-pe-surface="alert"][data-pe-state="success"]) {
  color: var(--pe-success);
  border-color: color-mix(in srgb, var(--pe-success) 35%, var(--pe-line));
  background: var(--pe-success-soft);
}

:where([data-pe-surface][data-pe-size="xs"]) { inline-size: min(286px, 100%); }
:where([data-pe-surface][data-pe-size="s"]) { inline-size: min(360px, 100%); }
:where([data-pe-surface][data-pe-size="m"]) { inline-size: min(520px, 100%); }
:where([data-pe-surface][data-pe-size="l"]) { inline-size: min(740px, 100%); }
:where([data-pe-surface][data-pe-size="xl"]) { inline-size: min(900px, 100%); }

:where([data-pe-surface="dialog"], [data-pe-surface="form"], [data-pe-surface="help"], [data-pe-surface="manager"], [data-pe-surface="result"])[data-pe-size="s"] {
  inline-size: min(400px, 100%);
}

:where([data-pe-surface="menu"][data-pe-size="xs"]) { inline-size: min(200px, 100%); }
:where([data-pe-surface="toast"][data-pe-size="xs"]) { inline-size: min(360px, 100%); }
:where([data-pe-surface="tooltip"][data-pe-size="xs"]) { inline-size: max-content; }

:where([data-pe-layout="single"]) {
  display: block;
}

:where([data-pe-layout="double"]) > :where(.pe-surface-body, .pe-layout-body) {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

:where([data-pe-layout="nav-content"]) {
  display: grid;
  grid-template-columns: 208px minmax(0, 1fr);
}

:where([data-pe-layout="content-preview"]) {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, .9fr);
  gap: 16px;
}

:where([data-pe-surface]) > .pe-surface-header {
  display: flex;
  min-block-size: 50px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 12px 18px;
  border-block-end: 1px solid var(--pe-line);
  background: var(--pe-surface-raised);
}

:where([data-pe-surface]) > .pe-surface-body {
  min-block-size: 0;
  padding: 16px 18px 18px;
  background: var(--pe-surface);
}

:where([data-pe-surface]) > .pe-surface-footer {
  display: flex;
  min-block-size: 50px;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  padding: 10px 16px;
  border-block-start: 1px solid var(--pe-line);
  background: var(--pe-surface-raised);
}

/* --------------------------------------------------------------------------
   Canonical popup fragments

   The pe-* classes below only describe structure. Border, radius, fill,
   material, tint and shadow are selected by data-pe-* attributes above.
   -------------------------------------------------------------------------- */

.pe-popover,
.pe-compact-menu,
.pe-range-popover,
.pe-palette,
.pe-palette-popover,
.pe-picker,
.pe-picker-popover,
.pe-quick-form,
.pe-quick-form-popover {
  min-inline-size: 0;
}

.pe-popover-header {
  display: flex;
  min-block-size: 42px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 11px 8px;
}

:where([data-pe-surface="popover"]) > .pe-popover-header {
  border-block-end: 1px solid var(--pe-line);
}

.pe-popover-copy {
  min-inline-size: 0;
}

:where([data-pe-surface="popover"]) .pe-popover-copy > h3,
:where([data-pe-surface="popover"]) > .pe-popover-header > h3 {
  margin: 0;
  color: var(--pe-ink);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.4;
}

:where([data-pe-surface="popover"]) .pe-popover-copy > p {
  margin: 3px 0 0;
  color: var(--pe-ink-2);
  font-size: 11.5px;
  line-height: 1.45;
}

.pe-popover-content {
  min-inline-size: 0;
}

.pe-form-content,
.pe-picker-content,
.pe-quick-form {
  display: grid;
  gap: 10px;
  padding: 11px;
}

.pe-field-help,
.pe-picker-status {
  margin: 0;
  color: var(--pe-ink-2);
  font-size: 11.5px;
  line-height: 1.45;
}

.pe-palette-grid {
  display: grid;
  grid-template-columns: repeat(4, 28px);
  justify-content: center;
  gap: 4px;
  padding: 8px;
}

.pe-palette-grid > [data-pe-button="icon"] svg {
  inline-size: 20px;
  block-size: 20px;
}

.pe-picker-results {
  display: grid;
  max-block-size: 180px;
  gap: 0;
  overflow-y: auto;
}

.pe-picker-results > [data-pe-button="menu-item"] {
  grid-template-columns: 16px minmax(0, 1fr) auto;
}

.pe-item-icon,
.pe-item-meta,
.pe-menu-meta {
  color: var(--pe-ink-3);
  font-size: 10.5px;
  white-space: nowrap;
}

.pe-popover-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin: 0;
  padding-block-start: 2px;
}

:where([data-pe-surface="menu"]).pe-compact-menu {
  display: grid;
  min-inline-size: 180px;
  gap: 0;
  padding: 4px;
}

.pe-visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Page architecture
   -------------------------------------------------------------------------- */

:where([data-pe-page]) {
  display: grid;
  box-sizing: border-box;
  min-inline-size: 0;
  min-block-size: 100%;
  color: var(--pe-ink);
  background: var(--pe-surface);
  font-family: var(--pe-font-ui);
}

:where([data-pe-page="workbench"]) {
  grid-template-rows: auto minmax(0, 1fr);
}

:where([data-pe-page]) > .pe-page-toolbar {
  display: flex;
  min-block-size: 42px;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-block-end: 1px solid var(--pe-line);
}

:where([data-pe-page]) > .pe-page-body,
:where([data-pe-page]) .pe-page-body {
  min-inline-size: 0;
  min-block-size: 0;
}

:where([data-pe-page="workbench"]) > .pe-page-body {
  display: grid;
  grid-template-columns: 216px minmax(0, 1fr) 240px;
}

:where([data-pe-page="library-manager"], [data-pe-page="cloud-manager"]) > .pe-page-body {
  display: grid;
  grid-template-columns: 216px minmax(0, 1fr);
}

:where([data-pe-page="settings"]) {
  grid-template-columns: 208px minmax(0, 1fr);
}

:where([data-pe-surface="settings"][data-pe-layout="nav-content"]) {
  display: grid;
  min-inline-size: 0;
  grid-template-columns: 208px minmax(0, 1fr);
  overflow: hidden;
  background: var(--pe-surface);
}

:where([data-pe-page="access-flow"], [data-pe-page="access-gate"], [data-pe-page="setup-flow"]) {
  place-items: center;
  padding: 24px;
  background: var(--pe-surface-muted);
}

:where([data-pe-page="viewer"], [data-pe-page="generated-document"]) {
  grid-template-rows: auto minmax(0, 1fr);
}

:where([data-pe-page]) .pe-page-nav,
:where([data-pe-page]) .pe-page-inspector {
  min-inline-size: 0;
  min-block-size: 0;
  padding: 10px;
  background: var(--pe-surface-raised);
}

:where([data-pe-page]) .pe-page-nav {
  border-inline-end: 1px solid var(--pe-line);
}

:where([data-pe-page]) .pe-page-inspector {
  border-inline-start: 1px solid var(--pe-line);
}

:where([data-pe-page]) .pe-page-main {
  min-inline-size: 0;
  min-block-size: 0;
  overflow: auto;
  background: var(--pe-surface);
}

/* --------------------------------------------------------------------------
   Accessibility and responsive behavior
   -------------------------------------------------------------------------- */

@media (max-width: 920px) {
  :where([data-pe-page="workbench"][data-pe-responsive="pane-toggle"]) > .pe-page-body {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  :where([data-pe-layout="content-preview"]) {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Agent "Try this" prompt suggestions. The 28px disclosure is an action;
   the 64px rows are selectable content cards and never enter button sizing.
   Only the detached chooser may use popover glass. Every card stays opaque.
   -------------------------------------------------------------------------- */

:where([data-pe-surface="prompt-suggestions"]) {
  position: relative;
  display: block;
  inline-size: min(520px, 100%);
  min-block-size: 34px;
  overflow: visible;
  color: var(--pe-ink);
  border: 0;
  border-radius: var(--pe-r-popover, 10px);
  background: transparent;
  box-shadow: none;
  container-type: inline-size;
  font-family: var(--pe-font-ui);
}

[data-pe-surface="prompt-suggestions"] > [data-pe-region="header"] {
  display: flex;
  min-block-size: 34px;
  align-items: center;
  padding: 3px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
}

[data-pe-surface="prompt-suggestions"]:where([data-pe-state="peek"], [data-pe-state="expanded"]) > [data-pe-region="header"] {
  border-color: var(--pe-line);
  background: var(--pe-surface-raised);
}

:where([data-pe-control="disclosure"]) {
  inline-size: 100%;
  justify-content: space-between;
  padding-inline: 6px;
  color: var(--pe-ink-2);
  border-color: transparent;
  background: transparent;
}

:where([data-pe-control="disclosure"]) [data-pe-region="copy"] {
  display: inline-flex;
  min-inline-size: 0;
  align-items: baseline;
  gap: 5px;
}

:where([data-pe-control="disclosure"]) [data-pe-region="title"] {
  color: var(--pe-ink);
  font-size: 12.5px;
  font-weight: 500;
}

:where([data-pe-control="disclosure"]) [data-pe-region="description"] {
  overflow: hidden;
  color: var(--pe-ink-3);
  font-size: 11.5px;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

:where([data-pe-control="disclosure"]) > svg {
  inline-size: 14px;
  block-size: 14px;
  transition: transform 160ms ease-out;
}

:where([data-pe-control="disclosure"][aria-expanded="true"]) > svg { transform: rotate(180deg); }

[data-pe-surface="prompt-suggestions"] > [data-pe-region="body"] {
  position: absolute;
  z-index: 5;
  inset-inline: 0;
  inset-block-end: calc(100% + 6px);
  display: grid;
  max-block-size: min(420px, var(--pe-prompt-available, calc(100vh - 196px)));
  max-block-size: min(420px, var(--pe-prompt-available, calc(100dvh - 196px)));
  gap: 12px;
  padding: 10px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-popover, 10px);
  background: var(--pe-frost-popover);
  box-shadow: var(--pe-shadow-short);
  scrollbar-width: thin;
}

[data-pe-surface="prompt-suggestions"][data-pe-placement="bottom"] > [data-pe-region="body"] {
  inset-block-start: calc(100% + 6px);
  inset-block-end: auto;
}

/* Popover API moves the chooser into the top layer in Electron/modern web
   engines. The absolute rules above remain the usable fallback. JS supplies
   collision-aware viewport coordinates and available height. */
[data-pe-surface="prompt-suggestions"] > [data-pe-region="body"][popover]:popover-open {
  position: fixed;
  inset: auto;
  inset-block-start: var(--pe-prompt-top);
  inset-inline-start: var(--pe-prompt-left);
  display: grid;
  inline-size: var(--pe-prompt-width);
  max-inline-size: calc(100vw - 16px);
  max-inline-size: calc(100dvw - 16px);
  margin: 0;
}

[data-pe-surface="prompt-suggestions"] > [data-pe-region="body"][hidden] { display: none; }

:where([data-pe-surface="prompt-suggestions"]) [data-pe-region="group"] {
  display: grid;
  min-inline-size: 0;
  gap: 6px;
}

:where([data-pe-surface="prompt-suggestions"]) [data-pe-region="group-label"] {
  margin: 0;
  padding-inline: 2px;
  color: var(--pe-ink-3);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .035em;
  text-transform: uppercase;
}

:where([data-pe-list="prompt-grid"]) {
  display: grid;
  min-inline-size: 0;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
}

[data-pe-item="prompt-suggestion"] {
  display: grid;
  min-inline-size: 0;
  min-block-size: 64px;
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 8px;
  overflow: hidden;
  appearance: none;
  color: var(--pe-ink);
  border: 1px solid var(--pe-line);
  border-radius: 7px;
  outline: 0;
  background: var(--pe-surface);
  box-shadow: none;
  font-family: var(--pe-font-ui);
  text-align: start;
  cursor: pointer;
  transition: border-color 160ms ease-out, background-color 160ms ease-out, box-shadow 160ms ease-out;
}

[data-pe-item="prompt-suggestion"]:hover,
[data-pe-item="prompt-suggestion"][data-pe-state="hover"] {
  border-color: var(--pe-line-strong);
  border-color: color-mix(in srgb, var(--pe-accent) 24%, var(--pe-line));
  background: var(--pe-surface-raised);
  background: color-mix(in srgb, var(--pe-accent) 5%, var(--pe-surface));
}

[data-pe-item="prompt-suggestion"]:focus-visible,
[data-pe-item="prompt-suggestion"][data-pe-state="focus"] {
  border-color: var(--pe-accent);
  box-shadow: 0 0 0 2px var(--pe-accent-focus);
}

[data-pe-item="prompt-suggestion"]:active,
[data-pe-item="prompt-suggestion"][data-pe-state="active"] {
  background: var(--pe-surface-pressed);
}

[data-pe-item="prompt-suggestion"][data-pe-state="selected"] {
  border-color: var(--pe-accent);
  border-color: color-mix(in srgb, var(--pe-accent) 42%, var(--pe-line));
  background: var(--pe-selected);
  background: color-mix(in srgb, var(--pe-accent) 8%, var(--pe-surface));
}

[data-pe-item="prompt-suggestion"]:disabled,
[data-pe-item="prompt-suggestion"][aria-disabled="true"],
[data-pe-item="prompt-suggestion"][data-pe-state="disabled"] {
  opacity: .5;
  cursor: not-allowed;
}

[data-pe-item="prompt-suggestion"] > [data-pe-region="preview"] {
  display: grid;
  inline-size: 56px;
  block-size: 42px;
  min-inline-size: 0;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--pe-line);
  border-radius: 5px;
  background: var(--pe-surface-muted);
}

:where([data-pe-media="prompt-preview"], [data-pe-media="prompt-icon"]) {
  inline-size: 100%;
  block-size: 100%;
}

:where(img[data-pe-media="prompt-preview"]) {
  display: block;
  object-fit: cover;
}

:where([data-pe-media][hidden]) { display: none; }

:where([data-pe-media="prompt-icon"]) {
  display: grid;
  place-items: center;
  color: var(--pe-accent-label);
  background: var(--pe-selected);
}

:where([data-pe-media="prompt-icon"]) > svg {
  inline-size: 20px;
  block-size: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

[data-pe-item="prompt-suggestion"] > [data-pe-region="copy"] {
  display: grid;
  min-inline-size: 0;
  align-content: start;
  gap: 3px;
}

[data-pe-item="prompt-suggestion"] [data-pe-region="title"] {
  display: block;
  overflow: hidden;
  color: var(--pe-ink);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-pe-item="prompt-suggestion"] [data-pe-region="description"] {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--pe-ink-2);
  font-size: 11.5px;
  font-weight: 400;
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

[data-pe-item="prompt-suggestion"][data-title="absent"] [data-pe-region="description"] {
  font-size: 12.5px;
  font-weight: 400;
  -webkit-line-clamp: 3;
}

@container (min-width: 480px) {
  :where([data-pe-list="prompt-grid"]) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  :where([data-pe-control="disclosure"]) > svg { transition: none; }
}

@layer pe-catalog {
body.pe-catalog .prompt-demo-stage {
  min-block-size: 390px;
  align-content: end;
  overflow: hidden;
  padding-block-start: 280px;
}

body.pe-catalog .prompt-demo-stage.expanded {
  min-block-size: 620px;
  padding-block-start: 500px;
}

body.pe-catalog .prompt-collapsed-stage {
  min-block-size: 150px;
}

body.pe-catalog .prompt-wide-demo {
  grid-column: 1 / -1;
}

body.pe-catalog .prompt-narrow-shell {
  inline-size: min(360px, 100%);
}

body.pe-catalog .pe-responsive-narrow-demo {
  inline-size: min(360px, 100%);
  margin-inline: auto;
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-group, 10px);
  background: var(--pe-surface);
}
}

@media (max-width: 700px) {
  :where([data-pe-layout="double"]) > :where(.pe-surface-body, .pe-layout-body),
  :where([data-pe-layout="nav-content"]),
  :where([data-pe-layout="content-preview"]) {
    grid-template-columns: 1fr;
  }

  :where([data-pe-page="workbench"][data-pe-responsive="pane-toggle"], [data-pe-page="library-manager"][data-pe-responsive="pane-toggle"], [data-pe-page="cloud-manager"][data-pe-responsive="pane-toggle"]) > .pe-page-body {
    grid-template-columns: 1fr;
  }

  :where([data-pe-page="workbench"][data-pe-responsive="pane-toggle"], [data-pe-page="library-manager"][data-pe-responsive="pane-toggle"], [data-pe-page="cloud-manager"][data-pe-responsive="pane-toggle"]) .pe-page-nav {
    display: none;
  }

  :where([data-pe-page="settings"]) {
    grid-template-columns: 1fr;
  }

  :where([data-pe-page="settings"]) > .pe-page-nav {
    display: flex;
    overflow-x: auto;
    border-inline-end: 0;
    border-block-end: 1px solid var(--pe-line);
  }

  :where([data-pe-surface="settings"][data-pe-layout="nav-content"]) {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
  }

  :where([data-pe-surface="settings"][data-pe-layout="nav-content"]) > [data-pe-region="navigator"] {
    display: flex;
    min-block-size: 42px;
    align-items: center;
    gap: var(--pe-s1, 2px);
    padding: var(--pe-s3, 6px) var(--pe-s4, 8px);
    overflow-x: auto;
    border-inline-end: 0;
    border-block-end: 1px solid var(--pe-line);
    scrollbar-width: thin;
  }

  :where([data-pe-surface="settings"][data-pe-layout="nav-content"]) > [data-pe-region="navigator"] > [data-pe-region="title"] {
    display: none;
  }

  :where([data-pe-surface="settings"][data-pe-layout="nav-content"]) > [data-pe-region="navigator"] > :where(a, button, [role="tab"], .arch-nav-row) {
    display: flex;
    block-size: 28px;
    flex: 0 0 auto;
    align-items: center;
    margin: 0;
    padding: 0 var(--pe-s4, 8px);
    line-height: 28px;
    white-space: nowrap;
  }

  :where([data-pe-surface][data-pe-size="l"], [data-pe-surface][data-pe-size="xl"]) {
    inline-size: 100%;
  }
}

@media (forced-colors: active) {
  :where([data-pe-button], [data-pe-control], [data-pe-item="prompt-suggestion"], [data-pe-item="icon-copy-action"], [data-pe-surface]) {
    border-color: CanvasText;
    box-shadow: none;
    forced-color-adjust: auto;
  }

  :where([data-pe-button="primary"], [data-pe-button="danger-primary"], [data-pe-state="selected"]) {
    color: HighlightText;
    border-color: Highlight;
    background: Highlight;
  }

  :where([data-pe-control]:focus-visible, [data-pe-button]:focus-visible, [data-pe-item="prompt-suggestion"]:focus-visible, [data-pe-item="icon-copy-action"]:focus-visible) {
    outline: 2px solid Highlight;
    outline-offset: 2px;
  }

  :where([data-pe-control="select"], [data-pe-control="range"]) {
    appearance: auto;
    background-image: none;
  }

  :where([data-pe-material="control-glass"], [data-pe-material="popover-glass"], [data-pe-material="scrim"]) {
    background: Canvas;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (pointer: coarse) {
  :where([data-pe-button])::after {
    inset-block: -7px;
    inset-inline: 0;
    border-radius: calc(var(--pe-control-radius, 5px) + 7px);
  }

  :where([data-pe-button][data-pe-density="compact"], [data-pe-button="icon"], [data-pe-button="toolbar"], [data-pe-button="composer-action"])::after {
    inset-block: -8px;
    inset-inline: 0;
  }

  :where([data-pe-button="icon"], [data-pe-button="toolbar"], [data-pe-button="composer-action"]) {
    margin-inline: 8px;
  }

  :where([data-pe-button]:not([data-pe-button="icon"]):not([data-pe-button="toolbar"]):not([data-pe-button="composer-action"])) {
    min-inline-size: 44px;
  }

  :where([data-pe-button="segment"])::after {
    inset-block: -10px;
    inset-inline: 0;
  }

  :where([data-pe-button="menu-item"])::after {
    inset-block: -7px;
    inset-inline: 0;
  }

  :where([data-pe-list="menu"]) {
    gap: 14px;
  }

  :where([data-pe-control="switch"])::before {
    inset-block: -12px;
    inset-inline: -4px;
  }

  :where([data-pe-hit="choice"]) {
    min-block-size: 44px;
  }

  :where([data-pe-control="range"]),
  :where([data-pe-control="tab"]) > :where(button, [role="tab"]) {
    block-size: 44px;
  }

  :where([data-pe-region="footer"], [data-pe-region="actions"]) {
    row-gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.pe-catalog-root {
    scroll-behavior: auto !important;
  }

  :where([data-pe-button], [data-pe-control], [data-pe-item="prompt-suggestion"], [data-pe-item="icon-copy-action"], [data-pe-surface]),
  :where([data-pe-button], [data-pe-control], [data-pe-item="prompt-suggestion"], [data-pe-item="icon-copy-action"], [data-pe-surface])::before,
  :where([data-pe-button], [data-pe-control], [data-pe-item="prompt-suggestion"], [data-pe-item="icon-copy-action"], [data-pe-surface])::after {
    animation: none;
    scroll-behavior: auto;
    transition-duration: .01ms;
  }
}

@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  :where([data-pe-material="control-glass"], [data-pe-material="popover-glass"]) {
    background-color: var(--pe-surface);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  :where([data-pe-material="scrim"]) {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :where([data-pe-material="control-glass"], [data-pe-material="popover-glass"]) {
    background-color: var(--pe-surface);
  }
}

/* --------------------------------------------------------------------------
   Public structural regions. Product markup uses these attributes; catalog
   class names remain private demonstration hooks.
   -------------------------------------------------------------------------- */

:where([data-pe-region="field"]) {
  display: grid;
  min-inline-size: 0;
  gap: 6px;
}

:where([data-pe-region="field"]) > :where(span:first-child, label:first-child) {
  color: var(--pe-ink);
  font-family: var(--pe-font-ui);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.3;
}

:where([data-pe-region="range-row"]) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

:where([data-pe-region="range-row"]) > output {
  min-inline-size: 28px;
  color: var(--pe-ink-2);
  font-family: var(--pe-font-ui);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  text-align: end;
}

:where([data-pe-surface]) > [data-pe-region="header"] {
  display: flex;
  min-block-size: 50px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 12px 18px;
  border-block-end: 1px solid var(--pe-line);
  background: var(--pe-surface-raised);
}

:where([data-pe-surface]) > [data-pe-region="header"] h3 {
  margin: 0;
  color: var(--pe-ink);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
}

:where([data-pe-surface]) > [data-pe-region="header"] p {
  margin: 3px 0 0;
  color: var(--pe-ink-2);
  font-size: 13px;
  line-height: 1.45;
}

:where([data-pe-surface]) > [data-pe-region="body"] {
  min-block-size: 0;
  padding: 16px 18px 18px;
  background: var(--pe-surface);
}

:where([data-pe-surface]) > [data-pe-region="footer"] {
  display: flex;
  min-block-size: 50px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  padding: 10px 16px;
  border-block-start: 1px solid var(--pe-line);
  background: var(--pe-surface-raised);
}

:where([data-pe-surface="popover"]) > [data-pe-region="header"] {
  min-block-size: 42px;
  gap: 10px;
  padding: 10px 11px 8px;
  background: transparent;
}

:where([data-pe-surface="popover"]) > [data-pe-region="header"] h3 {
  font-size: 12.5px;
  line-height: 1.35;
}

:where([data-pe-surface="popover"]) > [data-pe-region="header"] p {
  font-size: 11.5px;
  line-height: 1.4;
}

:where([data-pe-surface="popover"]) > [data-pe-region="body"] {
  padding: 11px;
}

:where([data-pe-surface="popover"]) > [data-pe-region="footer"],
:where([data-pe-region="actions"]) {
  display: flex;
  min-block-size: 0;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

:where([data-pe-layout="double"]) > [data-pe-region="body"],
:where([data-pe-layout="double"]) [data-pe-region="body"] > :only-child {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

:where([data-pe-layout="content-preview"]) > [data-pe-region="body"],
:where([data-pe-layout="content-preview"]) [data-pe-region="body"] > :only-child {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, .9fr);
  gap: 16px;
}

:where([data-pe-region="copy"]) {
  min-inline-size: 0;
}

:where([data-pe-list]) [data-pe-region="copy"] > strong {
  display: block;
  overflow: hidden;
  color: var(--pe-ink);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

:where([data-pe-list]) [data-pe-region="copy"] > small {
  display: -webkit-box;
  margin-block-start: 2px;
  overflow: hidden;
  color: var(--pe-ink-2);
  font-size: 12px;
  line-height: 1.3;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

:where([data-pe-list="double"]) [data-pe-region="copy"] > small {
  -webkit-line-clamp: 2;
}

:where([data-pe-list="settings"]) [data-pe-region="copy"] > strong,
:where([data-pe-list="settings"]) [data-pe-region="copy"] > small {
  display: block;
  overflow: visible;
  text-overflow: clip;
  white-space: normal;
  -webkit-line-clamp: unset;
}

:where([data-pe-list="palette"]) {
  display: grid;
  grid-template-columns: repeat(4, 28px);
  justify-content: center;
  gap: 4px;
  padding: 8px;
}

:where([data-pe-surface="alert"][role="alertdialog"]) {
  display: block;
  inline-size: min(340px, 100%);
  padding: 0;
  overflow: hidden;
  color: var(--pe-ink);
  border: 1px solid var(--pe-line);
  border-radius: var(--pe-r-dialog-s, 12px);
  background: var(--pe-surface);
  box-shadow: var(--pe-shadow-dialog);
}

:where([data-pe-page]) > [data-pe-region="toolbar"] {
  display: flex;
  min-block-size: 42px;
  align-items: center;
  gap: 0;
  padding: 6px 10px;
  border-block-end: 1px solid var(--pe-line);
}

:where([data-pe-region="toolbar"]) {
  gap: 0;
}

:where([data-pe-page="workbench"]) > [data-pe-region="body"] {
  display: grid;
  min-inline-size: 0;
  min-block-size: 0;
  grid-template-columns: 216px minmax(0, 1fr) 240px;
}

:where([data-pe-page="library-manager"], [data-pe-page="cloud-manager"]) > [data-pe-region="body"] {
  display: grid;
  min-inline-size: 0;
  min-block-size: 0;
  grid-template-columns: 216px minmax(0, 1fr);
}

:where([data-pe-page]) [data-pe-region="navigator"],
:where([data-pe-page]) [data-pe-region="inspector"] {
  min-inline-size: 0;
  min-block-size: 0;
  padding: 10px;
  background: var(--pe-surface-raised);
}

:where([data-pe-page]) [data-pe-region="navigator"] { border-inline-end: 1px solid var(--pe-line); }
:where([data-pe-page]) [data-pe-region="inspector"] { border-inline-start: 1px solid var(--pe-line); }

:where([data-pe-page]) [data-pe-region="workspace"],
:where([data-pe-page]) [data-pe-region="content"] {
  min-inline-size: 0;
  min-block-size: 0;
  overflow: auto;
}

:where([data-pe-region="preview"]) {
  min-inline-size: 0;
  overflow: hidden;
  border: 1px solid var(--pe-line);
  border-radius: 8px;
  background: var(--pe-surface-muted);
}

:where([data-pe-region="control-rail"]) {
  inline-size: min(100%, 320px);
  justify-self: end;
}

@media (max-width: 920px) {
  :where([data-pe-page="workbench"][data-pe-responsive="pane-toggle"]) > [data-pe-region="body"] { grid-template-columns: 190px minmax(0, 1fr); }
  :where([data-pe-page="workbench"][data-pe-responsive="pane-toggle"]) [data-pe-region="inspector"] { display: none; }

  :where([data-pe-page][data-pe-responsive="pane-toggle"]) [data-pe-region="inspector"][data-pe-state="expanded"] {
    position: fixed;
    z-index: 30;
    inset-block: 50px 8px;
    inset-inline-end: 8px;
    display: block;
    inline-size: min(320px, calc(100vw - 16px));
    overflow: auto;
    border: 1px solid var(--pe-line);
    border-radius: var(--pe-r-group, 10px);
    background: var(--pe-surface);
    box-shadow: var(--pe-shadow-dialog);
  }
}

@media (max-width: 700px) {
  :where([data-pe-layout="double"]) > [data-pe-region="body"],
  :where([data-pe-layout="double"]) [data-pe-region="body"] > :only-child,
  :where([data-pe-layout="content-preview"]) > [data-pe-region="body"],
  :where([data-pe-layout="content-preview"]) [data-pe-region="body"] > :only-child,
  :where([data-pe-page="workbench"][data-pe-responsive="pane-toggle"], [data-pe-page="library-manager"][data-pe-responsive="pane-toggle"], [data-pe-page="cloud-manager"][data-pe-responsive="pane-toggle"]) > [data-pe-region="body"] {
    grid-template-columns: 1fr;
  }

  :where([data-pe-page="workbench"][data-pe-responsive="pane-toggle"], [data-pe-page="library-manager"][data-pe-responsive="pane-toggle"], [data-pe-page="cloud-manager"][data-pe-responsive="pane-toggle"]) [data-pe-region="navigator"] {
    display: none;
  }

  :where([data-pe-page][data-pe-responsive="pane-toggle"]) [data-pe-region="navigator"][data-pe-state="expanded"] {
    position: fixed;
    z-index: 30;
    inset-block: 50px 8px;
    inset-inline-start: 8px;
    display: block;
    inline-size: min(280px, calc(100vw - 16px));
    overflow: auto;
    border: 1px solid var(--pe-line);
    border-radius: var(--pe-r-group, 10px);
    background: var(--pe-surface);
    box-shadow: var(--pe-shadow-dialog);
  }
}

/* Public shell topology: vertical constraints belong to the shared contract,
   not to a catalog-only dialog class. Header and footer remain stable; the
   direct body is the single scroll owner. */
[data-pe-modal-layer] {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  overflow: auto;
  overscroll-behavior: contain;
}

[data-pe-modal-layer][hidden] {
  display: none;
}

[data-pe-surface="form"],
[data-pe-surface="help"],
[data-pe-surface="manager"],
[data-pe-surface="result"],
[data-pe-surface="alert"][role="alertdialog"] {
  display: grid;
  max-block-size: calc(100vh - 32px);
  max-block-size: calc(100dvh - 32px);
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
}

[data-pe-surface="form"] > [data-pe-region="header"],
[data-pe-surface="help"] > [data-pe-region="header"],
[data-pe-surface="manager"] > [data-pe-region="header"],
[data-pe-surface="result"] > [data-pe-region="header"],
[data-pe-surface="alert"][role="alertdialog"] > [data-pe-region="header"] {
  grid-row: 1;
}

[data-pe-surface="form"] > [data-pe-region="body"],
[data-pe-surface="help"] > [data-pe-region="body"],
[data-pe-surface="manager"] > [data-pe-region="body"],
[data-pe-surface="result"] > [data-pe-region="body"],
[data-pe-surface="alert"][role="alertdialog"] > [data-pe-region="body"] {
  grid-row: 2;
  min-block-size: 0;
  overflow: auto;
  overscroll-behavior: contain;
}


[data-pe-surface="form"] > [data-pe-region="footer"],
[data-pe-surface="help"] > [data-pe-region="footer"],
[data-pe-surface="manager"] > [data-pe-region="footer"],
[data-pe-surface="result"] > [data-pe-region="footer"],
[data-pe-surface="alert"][role="alertdialog"] > [data-pe-region="footer"] {
  grid-row: 3;
}

[data-pe-surface="settings"] {
  max-block-size: calc(100vh - 32px);
  max-block-size: calc(100dvh - 32px);
}

[data-pe-surface="settings"] > [data-pe-region="content"] {
  min-block-size: 0;
  overflow: auto;
  overscroll-behavior: contain;
}

[data-pe-surface="form"][data-pe-layout="double"] > [data-pe-region="body"],
[data-pe-surface="manager"][data-pe-layout="double"] > [data-pe-region="body"] {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

[data-pe-surface="form"][data-pe-layout="content-preview"] > [data-pe-region="body"],
[data-pe-surface="manager"][data-pe-layout="content-preview"] > [data-pe-region="body"] {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, .9fr);
  gap: 16px;
}

[data-pe-surface="manager"][data-pe-layout="nav-content"] > [data-pe-region="body"] {
  display: grid;
  grid-template-columns: 208px minmax(0, 1fr);
}

/* Named-container parity with the 920 px viewport mode. An embedded workbench
   must not keep an empty inspector track after the runtime enters medium mode. */
@container pe-layout (max-width: 920px) {
  [data-pe-page="workbench"][data-pe-responsive="pane-toggle"] > [data-pe-region="body"] {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  [data-pe-page][data-pe-responsive="pane-toggle"] [data-pe-region="inspector"] {
    display: none;
  }

  [data-pe-page][data-pe-responsive="pane-toggle"] [data-pe-region="inspector"][data-pe-state="expanded"] {
    position: fixed;
    z-index: 30;
    inset-block: 50px 8px;
    inset-inline-end: 8px;
    display: block;
    inline-size: min(320px, calc(100vw - 16px));
    overflow: auto;
    border: 1px solid var(--pe-line);
    border-radius: var(--pe-r-group, 10px);
    background: var(--pe-surface);
    box-shadow: var(--pe-shadow-dialog);
  }
}

@container pe-layout (max-width: 700px) {
  [data-pe-surface][data-pe-layout="double"] > [data-pe-region="body"],
  [data-pe-surface][data-pe-layout="content-preview"] > [data-pe-region="body"],
  [data-pe-surface][data-pe-layout="nav-content"] > [data-pe-region="body"],
  [data-pe-surface="settings"][data-pe-layout="nav-content"] {
    grid-template-columns: 1fr;
  }

  [data-pe-surface="settings"][data-pe-layout="nav-content"] {
    grid-template-rows: auto minmax(0, 1fr);
  }

  [data-pe-page="workbench"][data-pe-responsive="pane-toggle"] > [data-pe-region="body"],
  [data-pe-page="library-manager"][data-pe-responsive="pane-toggle"] > [data-pe-region="body"],
  [data-pe-page="cloud-manager"][data-pe-responsive="pane-toggle"] > [data-pe-region="body"] {
    grid-template-columns: 1fr;
  }

  [data-pe-page][data-pe-responsive="pane-toggle"] [data-pe-region="navigator"],
  [data-pe-page][data-pe-responsive="pane-toggle"] [data-pe-region="inspector"] {
    display: none;
  }

  [data-pe-page][data-pe-responsive="pane-toggle"] [data-pe-region="navigator"][data-pe-state="expanded"],
  [data-pe-page][data-pe-responsive="pane-toggle"] [data-pe-region="inspector"][data-pe-state="expanded"] {
    position: fixed;
    z-index: 30;
    inset-block: 50px 8px;
    display: block;
    inline-size: min(300px, calc(100vw - 16px));
    overflow: auto;
    border: 1px solid var(--pe-line);
    border-radius: var(--pe-r-group, 10px);
    background: var(--pe-surface);
    box-shadow: var(--pe-shadow-dialog);
  }

  [data-pe-page][data-pe-responsive="pane-toggle"] [data-pe-region="navigator"][data-pe-state="expanded"] {
    inset-inline-start: 8px;
  }

  [data-pe-page][data-pe-responsive="pane-toggle"] [data-pe-region="inspector"][data-pe-state="expanded"] {
    inset-inline-end: 8px;
  }

  [data-pe-surface="settings"][data-pe-layout="nav-content"] > [data-pe-region="navigator"] {
    display: flex;
    min-block-size: 42px;
    align-items: center;
    gap: var(--pe-s1, 2px);
    padding: var(--pe-s3, 6px) var(--pe-s4, 8px);
    overflow-x: auto;
    border-inline-end: 0;
    border-block-end: 1px solid var(--pe-line);
    scrollbar-width: thin;
  }

  [data-pe-surface="settings"][data-pe-layout="nav-content"] > [data-pe-region="navigator"] > [data-pe-region="title"] {
    display: none;
  }

  [data-pe-surface="settings"][data-pe-layout="nav-content"] > [data-pe-region="navigator"] > :where(a, button, [role="tab"], .arch-nav-row) {
    display: flex;
    block-size: 28px;
    flex: 0 0 auto;
    align-items: center;
    margin: 0;
    padding: 0 var(--pe-s4, 8px);
    white-space: nowrap;
  }
}

@container pe-layout (max-width: 520px) {
  body.pe-catalog .settings-mini-content {
    padding: var(--pe-s5, 10px);
  }

  body.pe-catalog .settings-mini-content .mini-resource {
    padding: var(--pe-s4, 8px);
  }

  [data-pe-surface] > [data-pe-region="header"],
  [data-pe-surface] > [data-pe-region="footer"] {
    padding-inline: 12px;
  }

  [data-pe-surface] > [data-pe-region="body"] {
    padding-inline: 12px;
  }

  [data-pe-region="actions"] {
    row-gap: 8px;
  }

  [data-pe-list="settings"] {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 8px;
    padding-block: 10px;
  }

  [data-pe-list="settings"] > [data-pe-region="control-rail"],
  [data-pe-list="settings"] > :where([data-pe-control]:not([data-pe-control="switch"]):not([data-pe-control="segmented"]), [data-pe-button]) {
    inline-size: min(100%, 320px);
    justify-self: start;
  }

  [data-pe-list="settings"] > [data-pe-control="segmented"] {
    justify-self: start;
  }
}

/* Explicit desktop accessibility signal. This selector intentionally has
   enough authority to override contextual prompt/popover backgrounds. */
[data-pe-reduced-transparency="true"] [data-pe-material="control-glass"],
[data-pe-reduced-transparency="true"] [data-pe-material="popover-glass"],
[data-pe-material="control-glass"][data-pe-reduced-transparency="true"],
[data-pe-material="popover-glass"][data-pe-reduced-transparency="true"] {
  background: var(--pe-surface) !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}

[data-pe-reduced-transparency="true"] [data-pe-material="scrim"],
[data-pe-material="scrim"][data-pe-reduced-transparency="true"] {
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}

@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  [data-pe-material="control-glass"],
  [data-pe-material="popover-glass"],
  [data-pe-material="control-glass"][data-pe-region],
  [data-pe-material="popover-glass"][data-pe-region] {
    background: var(--pe-surface) !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  [data-pe-material="control-glass"],
  [data-pe-material="popover-glass"],
  [data-pe-material="control-glass"][data-pe-region],
  [data-pe-material="popover-glass"][data-pe-region] {
    background: var(--pe-surface) !important;
  }
}