/* Riften brand system v1.1. Neutral light is the default; dark uses the charcoal palette. */
:root {
  color-scheme: light;
  --black: #ffffff;
  --sidebar: #f9f9f9;
  --surface: #f5f5f5;
  --surface-raised: #ebebeb;
  --border: #e5e5e5;
  --border-visible: #999999;
  --hairline: #ededed;
  --text-primary: #1b1b1b;
  --text-display: #1b1b1b;
  --text-secondary: #5d5d5d;
  --text-disabled: #686868;
  --accent: #252525;
  --interactive: #777777;
  --success: #354e43;
  --warning: #71601e;
  --error: #91503f;
  --selection: #c5d9b7;
  --button-text: #ffffff;
  --overlay: #1b1b1b66;
  --sans: "Manrope", Arial, sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --editorial: "EB Garamond", Georgia, serif;
  background: var(--black);
  color: var(--text-primary);
  font-family: var(--sans);
  font-synthesis: none;
}
body { background: var(--black); color: var(--text-primary); font: 400 15px/1.6 var(--sans); }
button, input, select, textarea { font-family: var(--sans); font-weight: 400; }
button, .btn, input, select { min-height: 44px; border-radius: 4px; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 1px solid var(--interactive); outline-offset: 2px; }
::selection { background: var(--selection); color: var(--text-primary); }
strong, b { font-weight: 400; color: var(--text-primary); }
h1 { font: 400 42px/1.15 var(--editorial); letter-spacing: -.025em; color: var(--text-primary); }
h2 { font: 400 20px/1.4 var(--sans); color: var(--text-primary); }
h3 { font: 400 14px/1.5 var(--sans); text-transform: none; letter-spacing: 0; }
p, .note { color: var(--text-secondary); }
.shell { grid-template-columns: 224px minmax(0, 1fr); }
.sidebar { width: 224px; padding: 0 16px; background: var(--black); border-right: 1px solid var(--border); overflow-y: auto; }
.brand { height: 96px; gap: 8px; padding: 0 12px; }
.brand img { width: 36px; height: 42px; filter: none; mix-blend-mode: normal; background: transparent; padding: 0; border-radius: 0; object-fit: contain; }
.brand span, .wordmark { font: 400 39px/1 var(--editorial); letter-spacing: -1.5px; color: var(--text-primary); }
.workspace-label { font: 400 12px/1.4 var(--sans); letter-spacing: 0; color: var(--text-secondary); padding: 16px 12px 12px; }
nav { gap: 4px; }
nav a { font: 400 14px/1.4 var(--sans); min-height: 44px; padding: 12px; color: var(--text-secondary); border-radius: 4px; }
nav a.active { color: var(--text-primary); background: var(--surface-raised); font-weight: 400; box-shadow: none; }
nav a.active:before { width: 2px; height: 18px; left: 0; background: var(--accent); }
nav a:hover { background: var(--surface); color: var(--text-primary); }
nav svg { width: 18px; height: 18px; }
.topbar { height: 72px; padding-inline: 40px; font: 400 13px var(--sans); }
.topbar strong { text-transform: none; }
.top-status { font: 400 12px var(--sans); background: transparent; color: var(--text-secondary); }
main { max-width: 1360px; padding: 40px 40px 64px; }
.page-heading { align-items: flex-start; gap: 24px; margin-bottom: 32px; }
.page-heading h1 { font: 400 42px/1.15 var(--editorial); letter-spacing: -.025em; }
.page-heading p { color: var(--text-secondary); max-width: 660px; font-size: 15px; }
.page-heading .actions { padding-top: 4px; }
.eyebrow, .section-title small, .details dt { font: 400 12px/1.5 var(--sans); letter-spacing: 0; text-transform: none; }
.btn { font: 400 14px/1.4 var(--sans); padding: 10px 16px; min-height: 44px; border-radius: 4px; background: transparent; border-color: var(--border-visible); color: var(--text-primary); box-shadow: none; }
.btn:hover { background: var(--surface); border-color: var(--accent); }
.btn.primary { background: var(--text-primary); border-color: var(--text-primary); color: var(--button-text); }
.btn.primary:hover { background: #30352f; border-color: #30352f; }
.btn.text { background: transparent; font: 400 13px var(--sans); min-height: 44px; }
.btn.text:hover, .inline-link:hover, .task-name:hover { color: var(--accent); }
.catalog-context { padding-bottom: 24px; margin-bottom: 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.catalog-context strong { font-size: 14px; }
.environment-grid { display: block; }
.environment-card { padding: 28px 0; border: 0; border-bottom: 1px solid var(--border); background: transparent; border-radius: 0; box-shadow: none; }
.environment-card-meta { align-items: baseline; gap: 16px; }
.environment-card .eyebrow { font: 400 12px/1.5 var(--mono); color: var(--text-secondary); }
.environment-card h2 { font: 400 24px/1.35 var(--sans); letter-spacing: -.025em; margin: 14px 0 10px; }
.environment-card p { max-width: 850px; color: var(--text-secondary); font-size: 15px; }
.runtime-tags { margin: 16px 0; }
.runtime-tags span { background: var(--surface); border: 0; color: var(--text-secondary); font: 400 12px/1.6 var(--mono); }
.catalog-checks { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px 24px; margin: 16px 0; }
.catalog-checks li { font: 400 13px/1.5 var(--sans); color: var(--text-secondary); }
.environment-card-foot { margin-top: 20px; gap: 20px; }
.environment-card-foot .btn.primary { background: transparent; color: var(--text-primary); border-color: var(--border-visible); }
.environment-card-foot .btn.primary:hover { background: var(--surface); border-color: var(--accent); }
.environment-card > small { display: block; margin-top: 12px; font: 400 12px/1.5 var(--mono); }
.badge, .environment-card .badge { font: 400 12px/1.5 var(--sans); }
.metric-value { font: 400 30px/1.3 var(--mono); letter-spacing: -.04em; }
.mono, code, pre, .digest-value, .run-id { font-family: var(--mono); font-weight: 400; }
.code, .prose code { background: var(--surface); color: var(--text-primary); font-size: 13px; }
.tabs button, .file-tabs button { min-height: 44px; font: 400 14px/1.4 var(--sans); }
.tabs button.active, .file-tabs button.active { color: var(--accent); border-bottom: 2px solid var(--accent); }
table { font-size: 14px; }
th { font: 400 12px/1.5 var(--sans); text-transform: none; letter-spacing: 0; color: var(--text-secondary); }
td { padding-block: 16px; color: var(--text-primary); }
tbody tr:hover { background: var(--surface); }
.field, .task-selector { font: 400 14px/1.5 var(--sans); }
.field input, .field select, .search, .select, .task-selector select, textarea { border: 1px solid var(--border-visible); background: var(--black); color: var(--text-primary); font-size: 14px; border-radius: 4px; }
input::placeholder, textarea::placeholder { color: var(--text-disabled); opacity: 1; }
dialog { background: var(--surface); border-radius: 4px; box-shadow: 0 12px 48px #1b1b1b26; }
dialog::backdrop { background: var(--overlay); }
.notice { color: var(--text-secondary); font-size: 13px; }
.error-banner { background: var(--surface); color: var(--error); border-color: var(--error); }
.side-note, .side-note small, footer { font: 400 11px/1.5 var(--mono); color: var(--text-secondary); letter-spacing: 0; }
footer { padding: 20px 40px; }
#toast { background: var(--text-primary); color: var(--button-text); font: 400 14px var(--sans); }
/* The recipient-facing evaluation and sample review share the workspace identity. */
body > header { background: var(--black); border-color: var(--border); }
.wordmark { display: inline-flex; align-items: center; gap: 8px; }
.wordmark img { object-fit: contain; width: 32px; height: 40px; }
body > header > span { font: 400 13px var(--sans); letter-spacing: 0; color: var(--text-secondary); }
body > main { max-width: 1000px; padding: 56px 32px 72px; }
body > main .panel, body > main .run { background: transparent; border: 0; border-top: 1px solid var(--border); border-radius: 0; padding: 28px 0; }
body > main h1 { font: 400 42px/1.15 var(--editorial); }
body > main button { font: 400 14px var(--sans); min-height: 44px; background: var(--text-primary); color: var(--button-text); border: 1px solid var(--text-primary); border-radius: 4px; }
body > main button.secondary { background: transparent; color: var(--text-primary); border-color: var(--border-visible); }
body > main button:hover { background: #30352f; color: var(--button-text); }
body > main button.secondary:hover { background: var(--surface); color: var(--text-primary); }
body > main input { background: var(--black); color: var(--text-primary); border: 1px solid var(--border-visible); }
body > footer { background: var(--black); }
@media(max-width:1000px) {
  main { padding: 32px; }
  .topbar { padding-inline: 32px; }
  .page-heading { flex-wrap: wrap; }
}
@media(max-width:760px) {
  .shell { display: block; }
  .sidebar { position: static; width: 100%; padding: 0 24px; border-right: 0; overflow: visible; }
  .brand { height: 80px; padding: 0; }
  .brand span { font-size: 36px; }
  .brand img { width: 32px; height: 38px; }
  nav { gap: 16px; padding: 0; }
  nav a { flex-shrink: 0; font-size: 13px; padding: 12px 4px; }
  nav a.active { background: transparent; }
  nav a.active:before { inset: auto 0 0; width: 100%; height: 2px; }
  nav svg { width: 16px; height: 16px; }
  main, body > main { padding: 28px 24px 48px; }
  .topbar { padding-inline: 24px; }
  .topbar > span:first-child { font-size: 12px; }
  h1, .page-heading h1, body > main h1 { font-size: 36px; }
  .page-heading p { font-size: 14px; }
  .environment-card-meta { flex-wrap: wrap; gap: 8px; }
  .environment-card h2 { font-size: 22px; }
  .catalog-checks { grid-template-columns: 1fr; }
  .environment-card-foot { flex-wrap: wrap; gap: 8px 16px; }
  .page-heading .btn, .btn, .btn.text { min-height: 44px; font-size: 13px; }
  .catalog-context { flex-wrap: wrap; gap: 8px; }
  footer { padding: 20px 24px; }
}
@media(prefers-reduced-motion:reduce) { *, *::before, *::after { animation: none!important; transition: none!important; scroll-behavior: auto!important; } }
.environment-card > p { min-height: 0; margin-bottom: 0; }
.environment-card .runtime-tags { margin: 14px 0 10px; }
.environment-card .catalog-checks { margin: 10px 0; }
.environment-card-foot { margin: 14px 0 8px; }
.environment-card > small { margin-top: 0; }
.experiment-context { background: transparent; border: 0; border-block: 1px solid var(--border); border-radius: 0; padding: 20px 0; }
.experiment-empty, .release-empty { border: 0; border-bottom: 1px solid var(--border); border-radius: 0; }
.empty-icon { border: 0; background: transparent; color: var(--accent); }
.auth-card { background: transparent; box-shadow: none; border: 0; }
.auth-brand img { filter: none; background: transparent; mix-blend-mode: normal; width: 32px; height: 40px; }
.auth-brand span { font: 400 39px/1 var(--editorial); letter-spacing: -1.5px; }

.field textarea, .research-review-grid textarea, .collection-picker select { border: 1px solid var(--border-visible); background: var(--black); color: var(--text-primary); border-radius: 4px; }
.wordmark { text-decoration: none; }
/* Working-interface hierarchy: compact navigation, tables and consistent controls. */
h1, .page-heading h1, body > main h1 { font: 400 28px/1.3 var(--sans); letter-spacing: -.035em; }
h2, .section-title h2 { font: 400 18px/1.4 var(--sans); letter-spacing: -.015em; }
main { padding-top: 32px; }
.page-heading { margin-bottom: 28px; }
.page-heading p { font-size: 14px; margin-top: 8px; }
.topbar { height: 60px; }
.sidebar nav { margin-bottom: 24px; }
.sidebar nav a:last-child { margin-top: 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.catalog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 20px; }
.catalog-search { width: 320px; max-width: 65%; }
.catalog-search input { width: 100%; min-height: 44px; border: 1px solid var(--border-visible); background: var(--black); padding: 10px 12px; color: var(--text-primary); }
#catalog-count { color: var(--text-secondary); font-size: 13px; white-space: nowrap; }
.catalog-table { table-layout: fixed; font-size: 13px; }
.catalog-table th { padding-block: 12px; background: var(--surface); }
.catalog-table th:first-child, .catalog-table td:first-child { padding-left: 16px; width: 30%; }
.catalog-table th:nth-child(2) { width: 19%; }
.catalog-table th:nth-child(3) { width: 9%; }
.catalog-table th:nth-child(4) { width: 15%; }
.catalog-table th:nth-child(5) { width: 19%; }
.catalog-table th:last-child { width: 8%; }
.catalog-table td { padding: 16px 12px; vertical-align: middle; overflow-wrap: anywhere; }
.catalog-table th:last-child, .catalog-table td:last-child { padding-right: 16px; }
.catalog-table .task-name { font-size: 14px; line-height: 1.5; }
.catalog-table .btn { gap: 4px; }
.catalog-table .badge { white-space: normal; }
.catalog-table .row-sub { font-size: 11px; }
.catalog-inline-meta { display: none; }
.catalog-result:hover { text-decoration: underline; text-underline-offset: 4px; }
.catalog-footnote { margin: 20px 0 0; max-width: 760px; font-size: 12px; line-height: 1.6; }
.catalog-no-results { text-align: center; padding: 40px 16px; }
.catalog-no-results p { margin: 8px 0 20px; }
.environment-summary { display: flex; align-items: center; gap: 16px 28px; flex-wrap: wrap; padding: 16px 0; border-block: 1px solid var(--border); margin: 0 0 24px; font-size: 13px; color: var(--text-secondary); }
.environment-summary strong { margin-left: 8px; }
.environment-summary a { margin-left: auto; min-height: 32px; display: inline-flex; align-items: center; color: var(--accent); }
.settings-list { max-width: 880px; border-top: 1px solid var(--border); }
.settings-list > a { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 24px 16px; border-bottom: 1px solid var(--border); }
.settings-list > a:hover { background: var(--surface); }
.settings-list h2 { font-size: 16px; margin: 0 0 6px; }
.settings-list p { font-size: 14px; }
.integration-grid { grid-template-columns: repeat(auto-fit,minmax(min(100%,280px),1fr)); gap: 24px; }
.integration-grid > .panel { border: 1px solid var(--border); padding: 24px; border-radius: 4px; background: var(--black); }
.integration-grid > .panel + .panel { padding-left: 24px; }
.integration-grid .section-title { flex-wrap: wrap; gap: 8px; }
.integration-grid .connection-form { margin-top: 20px; }
.experiment-empty, .empty, .release-empty { padding: 40px 24px; background: transparent; text-align: left; }
.experiment-empty p, .empty p { max-width: 560px; margin: 8px 0 24px; font-size: 14px; }
.experiment-empty h2, .empty h2 { font-size: 18px; }
.experiment-context { gap: 16px; margin-bottom: 24px; padding-block: 14px; font-size: 13px; }
.release-card, .collection-card, .live-attempt, .account-form-panel, .output-budget-panel, .health-panel { border-radius: 4px; box-shadow: none; }
.experiment-stats strong, .live-metrics dd, .comparison-table .result-rate { font-family: var(--mono); font-weight: 400; font-variant-numeric: tabular-nums; }
.statistical-note, .panel-note, .dialog-note, .field-help { font: 400 13px/1.6 var(--sans); color: var(--text-secondary); }
.field { margin-block: 16px; }
.dialog-body h2 { font-size: 22px; }
dialog { padding: 24px; }
.dialog-close { width: 44px; height: 44px; display: grid; place-items: center; }
.prose { font: 400 15px/1.8 var(--sans); }
.details dt { font-size: 12px; }
.details dd { font-size: 14px; }
.table-wrap th { text-transform: none; letter-spacing: 0; }
.table-wrap td .actions { flex-wrap: nowrap; }
body > main .intro { margin-bottom: 28px; }
body > main .panel { padding-block: 24px; }
body > main h2 { font-size: 18px; }
@media(max-width:1100px) {
 .catalog-table th:nth-child(2), .catalog-table td:nth-child(2), .catalog-table th:nth-child(3), .catalog-table td:nth-child(3) { display: none; }
 .catalog-table th:first-child { width: 43%; }
 .catalog-table th:nth-child(4) { width: 23%; }
 .catalog-table th:nth-child(5) { width: 24%; }
 .catalog-table th:last-child { width: 10%; }
 .catalog-inline-meta { display: block; margin-top: 6px; color: var(--text-secondary); font: 400 11px/1.5 var(--sans); }
}
@media(max-width:760px) {
 h1, .page-heading h1, body > main h1 { font-size: 26px; }
 .sidebar nav { margin-bottom: 0; }
 .sidebar nav a:last-child { margin-top: 0; }
 .catalog-toolbar { align-items: stretch; flex-direction: column; gap: 12px; }
 .catalog-search { max-width: none; width: 100%; }
 .catalog-table, .catalog-table tbody { display: block; }
 .catalog-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
 .catalog-table tr { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); border-top: 1px solid var(--border); padding: 16px 0; gap: 16px; }
 .catalog-table td, .catalog-table td:first-child, .catalog-table td:last-child { display: block; width: auto; padding: 0; border: 0; text-align: left; }
 .catalog-table td:first-child { grid-column: 1/-1; }
 .catalog-table td:last-child { grid-column: 1/-1; }
 .catalog-table td[colspan] { grid-column: 1/-1; }
 .catalog-table td[data-label]:before { content: attr(data-label); display: block; font: 400 12px var(--sans); color: var(--text-secondary); margin-bottom: 8px; }
 .catalog-table td:nth-child(2), .catalog-table td:nth-child(3) { display: none; }
 .catalog-inline-meta { font-size: 12px; }
 .environment-summary { gap: 12px; }
 .environment-summary a { margin-left: 0; }
 .integration-grid > .panel, .integration-grid > .panel + .panel { padding: 20px; }
 .experiment-empty, .empty, .release-empty { padding: 28px 0; }
 .settings-list > a { padding-inline: 0; }
}

/* Keep supporting context quiet and form labels in the interface typeface. */
.release-intro { background: transparent; border: 0; border-block: 1px solid var(--border); border-radius: 0; padding: 16px 0; margin-bottom: 24px; }
.release-intro p { font-size: 13px; }
.field input:not([type="number"]):not([type="password"]), .field select { font-family: var(--sans); }
dialog { background: var(--black); }

/* Compact pointer controls; keep generous targets for touch and narrow screens. */
@media (min-width: 761px) and (pointer: fine) {
  .btn, .btn.text, body > main button { min-height: 36px; padding: 7px 12px; font-size: 13px; line-height: 20px; }
  .table-wrap .btn, .table-wrap .btn.text, .tabs button, .file-tabs button { min-height: 32px; padding: 5px 8px; font-size: 13px; line-height: 20px; }
  .tabs button, .file-tabs button { padding-inline: 12px; }
  .catalog-table td { padding-block: 12px; }
  .sidebar nav a { min-height: 36px; padding-block: 8px; font-size: 13px; }
  .sidebar nav { gap: 3px; }
  .catalog-search input, .task-selector select { min-height: 36px; padding-block: 7px; font-size: 13px; line-height: 20px; }
  .catalog-toolbar { margin-bottom: 16px; }
}
@media (pointer: coarse) {
  .btn, .btn.text, .table-wrap .btn, .tabs button, .file-tabs button, nav a, body > main button { min-height: 44px; }
}

.catalog-toolbar { align-items: flex-end; }
.catalog-search-label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
#catalog-count { padding-bottom: 8px; }
.catalog-table .task-name:hover { text-decoration: underline; text-underline-offset: 3px; }
.catalog-table tr:focus-within { background: var(--surface); }
@media (max-width: 760px) {
  .catalog-toolbar { align-items: stretch; }
  #catalog-count { padding-bottom: 0; }
  .catalog-table .task-name, .catalog-result { display: inline-flex; align-items: center; min-height: 44px; }
}

.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 8px 16px; background: var(--text-primary); color: var(--button-text); border-radius: 4px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
/* Text actions fit the narrow action column without an inner scroll bar. */
.catalog-table .btn.text { padding-inline: 0; }

.sample-access-panel { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.sample-access-panel > p { margin-block: 12px; font-size: 14px; line-height: 1.7; }
.sample-access-panel .table-wrap { margin-top: 20px; }

/* Research workspace: quiet chrome, contextual navigation and a compact wordmark. */

.shell { grid-template-columns: 208px minmax(0,1fr); }
.sidebar { width: 208px; padding-inline: 12px; background: var(--sidebar); }
.brand { height: 72px; gap: 8px; padding-inline: 12px; display: flex; align-items: center; }
.brand img { width: 22px; height: 28px; object-fit: contain; }
.brand span { display: inline-flex; align-items: center; height: 28px; font-size: 26px; line-height: 1; letter-spacing: -1px; }
.wordmark { align-items: center; gap: 8px; font-size: 26px; }
.wordmark img { width: 22px; height: 28px; }
.wordmark span { display: inline-flex; align-items: center; height: 28px; line-height: 1; }
.auth-brand { align-items: center; gap: 10px; }
.auth-brand img { width: 28px; height: 36px; }
.auth-brand span { font-size: 32px; line-height: 36px; }
.workspace-label { padding-top: 8px; padding-bottom: 10px; }
.sidebar nav a:last-child { margin-top: 0; }
.sidebar nav a.active:before { display: none; }
.sidebar nav a.active { background: var(--surface-raised); }
.topbar { height: 48px; border-bottom-color: var(--hairline); }
.main-shell > main { padding-top: 16px; }
.workspace-nav { display: flex; flex-direction: row; align-items: stretch; gap: 24px; overflow-x: auto; margin: 0 0 28px; padding: 0; border-bottom: 1px solid var(--border); }
.workspace-nav a { display: inline-flex; align-items: center; flex-shrink: 0; min-height: 48px; padding: 12px 0; border-radius: 0; border-bottom: 2px solid transparent; font: 400 13px/1.4 var(--sans); color: var(--text-secondary); }
.workspace-nav a.active { background: transparent; color: var(--text-primary); border-bottom-color: var(--text-primary); }
.workspace-nav a:hover { background: transparent; color: var(--text-primary); }
.workspace-nav a.active:before { display: none; }
.page-heading { margin-bottom: 24px; gap: 16px; }
.page-heading h1 { font-size: 26px; letter-spacing: -.025em; }
.page-heading p { max-width: 640px; }
.page-heading .actions { padding-top: 0; }
.btn { border-color: var(--border); border-radius: 6px; letter-spacing: 0; }
.btn:hover { border-color: #a6adb4; }
.btn.text { border-radius: 4px; }
.catalog-search input { border-color: var(--border-visible); border-radius: 6px; background: var(--surface); }
.catalog-search input:hover { border-color: var(--text-secondary); }
.catalog-search input:focus { background: var(--black); }
.catalog-table th { background: transparent; border-bottom: 1px solid var(--border); }
.catalog-table th:first-child, .catalog-table td:first-child { padding-left: 0; }
.catalog-table th:last-child, .catalog-table td:last-child { padding-right: 0; }
.catalog-table tbody tr:hover { background: var(--surface); }
.catalog-footnote { margin-top: 16px; }
.environment-summary { gap: 12px 24px; padding-block: 12px; border-top: 0; }
.tabs { gap: 20px; }
.tabs button, .file-tabs button { padding-inline: 0; }
.notice { border-left: 0; border-radius: 0; padding: 12px 0; background: transparent; }
.integration-grid > .panel, .integration-grid > .panel + .panel { border: 0; border-top: 1px solid var(--border); padding: 20px 0; border-radius: 0; }
@media (max-width: 760px) {
 .shell { display: block; }
 .sidebar { width: 100%; padding-inline: 20px; }
 .brand { height: 68px; padding-inline: 0; }
 .sidebar nav { gap: 20px; }
 .sidebar nav a { padding-inline: 0; }
 .sidebar nav a.active { background: transparent; border-bottom: 2px solid var(--text-primary); }
 .main-shell > main { padding: 8px 20px 40px; }
 .topbar { padding-inline: 20px; height: 44px; }
 .workspace-nav { gap: 20px; margin-bottom: 24px; }
 .workspace-nav a { min-height: 44px; padding-block: 10px; }
 .page-heading h1 { font-size: 24px; }
 .catalog-table td:first-child, .catalog-table td:last-child { padding: 0; }
 .catalog-table tbody tr:hover { background: transparent; }
}

.comparison-table .result-count { font: 400 14px/1.5 var(--sans); white-space: nowrap; }
.comparison-table .result-rate .row-sub { font: 400 12px/1.5 var(--sans); margin-top: 4px; }


/* Form controls must not turn checkboxes into full-width text fields. */
input[type="checkbox"], input[type="radio"], .field input[type="checkbox"], .field input[type="radio"] {
 width: 16px; height: 16px; min-width: 16px; min-height: 16px; max-width: 16px;
 padding: 0; margin: 0; flex: 0 0 16px; appearance: auto; accent-color: var(--text-primary);
}
.check-field { margin: 0 0 8px; }
.check-field > span { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.settings-view .page-heading h1 { font-size: 22px; }
.settings-view .page-heading p { font-size: 13px; margin-top: 6px; }
.settings-view .settings-content, .settings-view .settings-list { width: 100%; max-width: none; }
.settings-view h2 { font-size: 14px; line-height: 1.5; font-weight: 500; color: var(--text-primary); }
.settings-view p, .settings-view .field, .settings-view .badge { font-size: 13px; line-height: 1.6; }
.settings-view .panel-note, .settings-view .dialog-note, .settings-view .health-grid p { font-size: 12px; }
.settings-list > a { padding: 16px 0; }
.settings-list h2 { margin-bottom: 3px; }
.settings-view .integration-grid { display: block; padding: 0; margin-top: 12px; }
.provider-settings { border-top: 1px solid var(--border); }
.provider-settings:last-child { border-bottom: 0; }
.provider-settings > summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; padding: 12px; list-style: none; cursor: pointer; font-size: 13px; }
.provider-settings > summary::-webkit-details-marker { display: none; }
.provider-settings > summary:hover { background: var(--surface); }
.provider-name { color: var(--text-primary); font-weight: 500; }
.provider-state { display: flex; align-items: center; gap: 24px; }
.provider-action { color: var(--text-secondary); display: inline-flex; align-items: center; gap: 10px; }
.provider-action:after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); transition: transform 180ms ease; margin: 0 3px 3px 1px; }
.provider-settings[open] .provider-action:after { transform: rotate(225deg); margin-bottom: -3px; }
.provider-settings-body { width: 100%; max-width: none; padding: 4px 12px 24px; }
.provider-settings-body > p, .provider-settings-body .connection-form { max-width: 760px; }
.settings-view .connection-form { margin-top: 12px; }
.settings-view .field { gap: 6px; margin-block: 12px; }
.settings-view .field input:not([type="checkbox"]):not([type="radio"]), .settings-view .field select { font-size: 13px; border-color: var(--border-visible); }
.settings-view .output-budget-panel, .settings-view .health-panel { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); border-radius: 0; }
.settings-view .output-budget-panel > p { max-width: 720px; }
.settings-view .experiment-facts { margin: 18px 0 14px; padding: 0 0 18px; gap: 16px; }
.settings-view .experiment-facts strong { font-size: 18px; line-height: 1.4; }
.settings-view .experiment-facts span { font-size: 12px; }
.settings-view #budget-form { max-width: 360px; }
.settings-view #budget-form .check-field { margin-block: 0; }
.settings-view .health-grid { display: block; }
.settings-view .health-grid > div { display: grid; grid-template-columns: 160px 1fr; gap: 4px 24px; padding: 14px 0; border: 0; border-top: 1px solid var(--border); border-radius: 0; background: transparent; }
.settings-view .health-grid > div > span:first-child { margin: 0; font-size: 13px; grid-row: 1 / span 3; }
.settings-view .health-grid .badge, .settings-view .health-grid p { grid-column: 2; margin: 0; }
.settings-view .health-grid .badge { justify-self: start; width: fit-content; }
@media (min-width: 761px) and (pointer: fine) {
 .settings-view .field input:not([type="checkbox"]):not([type="radio"]), .settings-view .field select { min-height: 36px; padding: 7px 10px; }
}
@media (max-width: 760px) {
 .provider-state { gap: 12px; }
 .provider-action { font-size: 12px; }
 .settings-view .health-grid > div { grid-template-columns: 1fr; gap: 5px; }
 .settings-view .health-grid > div > span:first-child { grid-row: auto; }
 .settings-view .health-grid .badge, .settings-view .health-grid p { grid-column: 1; }
 .settings-view .experiment-facts { grid-template-columns: 1fr 1fr; }
}

/* Make scope and the next action explicit without adding dashboard cards. */
.workspace-info-button { border: 0; background: transparent; padding: 6px 0 6px 8px; min-height: 32px; cursor: pointer; }
@media (pointer: coarse) {
 .workspace-info-button { min-height: 44px; }
}
.workspace-info-button:after { content: "ⓘ"; margin-left: 8px; }
.workspace-info-button:hover { color: var(--text-primary); }
.environment-next-step { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 0 0 24px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.environment-next-step strong { font-size: 13px; font-weight: 500; }
.environment-next-step p { margin-top: 3px; font-size: 12px; line-height: 1.6; }
.filter-count { margin-left: 8px; color: var(--text-secondary); font-size: 11px; font-variant-numeric: tabular-nums; }
@media(max-width:760px) {
 .topbar .workspace-info-button { display: inline-flex; align-items: center; min-height: 44px; font-size: 11px; }
 .environment-next-step { align-items: flex-start; flex-direction: column; gap: 12px; }
}

.scope-hint { margin: 0 0 24px; font-size: 12px; }
.launch-prerequisites { margin: 18px 0; padding: 14px 0; border-block: 1px solid var(--border); }
.launch-prerequisites h3 { margin: 0 0 8px; font-size: 13px; font-weight: 500; }
.launch-prerequisites ul { padding-left: 18px; margin: 0; font-size: 13px; line-height: 1.8; color: var(--text-secondary); }
.launch-prerequisites a { text-decoration: underline; text-underline-offset: 3px; }
.live-idle { padding: 12px 0; margin-block: 0 20px; }
.live-idle .section-title { margin-bottom: 4px; }
.live-idle h2 { font-size: 13px; }
.live-idle > p { font-size: 12px; }

.run-details { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0 24px; }
.run-details > div { min-width: 0; }
.run-details dd { overflow-wrap: anywhere; }
.check-summary { font-size: 13px; margin-bottom: 12px; }
.passed-checks { margin: 12px 0; }
.result-panel .passed-checks summary { font: 400 13px/1.6 var(--sans); padding: 8px 0; }
@media(max-width:760px) { .run-details { grid-template-columns: 1fr 1fr; gap: 0 16px; } }

/* Brand guide dark palette. The sign-in entry shares the central login identity. */
:root[data-riften-theme="dark"], body.signed-out {
 color-scheme: dark;
 --black: #1b1b1b;
 --sidebar: #1b1b1b;
 --surface: #242423;
 --surface-raised: #30302e;
 --border: #42433e;
 --hairline: #353632;
 --border-visible: #85897e;
 --text-primary: #edece2;
 --text-display: #edece2;
 --text-secondary: #bfc0b5;
 --text-disabled: #999d90;
 --accent: #ececec;
 --interactive: #c5d9b7;
 --success: #c5d9b7;
 --warning: #e3cd88;
 --error: #efb1a3;
 --selection: #c5d9b7;
 --button-text: #1b1b1b;
 --overlay: #00000099;
}
:root[data-riften-theme="dark"] ::selection, .signed-out ::selection { color: #1b1b1b; }
:root[data-riften-theme="dark"] .btn.primary:hover,
:root[data-riften-theme="dark"] body > main button:not(.secondary):hover,
.signed-out .btn.primary:hover { background: #faf9f2; border-color: #faf9f2; color: #1b1b1b; }
:root[data-riften-theme="dark"] .catalog-table tbody tr:hover { background: var(--surface); }
.topbar-actions { display: flex; align-items: center; gap: 20px; }
.theme-control { position: relative; display: block; margin: 0; flex-shrink: 0; }
/* A quiet icon opens explicit choices; native disclosure retains keyboard access. */
.theme-control > summary { display: grid; place-items: center; width: 32px; min-height: 32px; padding: 0; list-style: none; border: 0; border-radius: 5px; color: var(--text-secondary); cursor: pointer; }
.theme-control > summary::-webkit-details-marker { display: none; }
.theme-control > summary:hover, .theme-control[open] > summary { background: var(--surface-raised); color: var(--text-primary); }
.theme-control svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.theme-control .theme-icon { display: none; }
:root:not([data-riften-preference]) .theme-icon-light,
:root[data-riften-preference="light"] .theme-icon-light,
:root[data-riften-preference="dark"] .theme-icon-dark,
:root[data-riften-preference="system"] .theme-icon-system { display: block; }
.theme-menu { position: absolute; z-index: 30; top: calc(100% + 6px); right: 0; width: 148px; padding: 5px; background: var(--black); border: 1px solid var(--border); border-radius: 7px; box-shadow: 0 6px 20px #00000018; }
.theme-menu button { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 36px; padding: 8px 10px; border: 0; border-radius: 4px; background: transparent; color: var(--text-secondary); font: 400 13px/1.4 var(--sans); text-align: left; }
.theme-menu button:hover, .theme-menu button[aria-pressed="true"] { background: var(--surface-raised); color: var(--text-primary); }
.theme-menu button[aria-pressed="true"]:after { content: "✓"; margin-left: auto; }
body > header .theme-control { margin-left: auto; }
body.signed-out { background: #1b1b1b; }
html:has(body.signed-out) { background: #1b1b1b; color-scheme: dark; }
.signed-out .main-shell > main { width: 100%; max-width: none; min-height: 100vh; padding: 64px 24px; background: #1b1b1b; }
.signed-out .auth-card { width: min(360px,calc(100vw - 48px)); padding: 0; border: 0; border-radius: 0; box-shadow: none; background: transparent; }
.auth-mark { display: block; width: 32px; height: 40px; object-fit: contain; margin-bottom: 18px; }
.signed-out .auth-card h1 { margin: 0 0 24px; font: 400 42px/1.12 var(--editorial); letter-spacing: -.035em; }
.signed-out .auth-card > p { font-size: 13px; color: var(--text-secondary); }
.signed-out .auth-card input { background: transparent; color: var(--text-primary); border-color: var(--border-visible); border-radius: 4px; }
.signed-out .auth-card .btn { border-radius: 4px; min-height: 44px; font-size: 13px; }
.signed-out .auth-card .auth-footnote { font-size: 12px; border: 0; padding: 0; margin-top: 28px; }
@media (max-width:760px), (pointer:coarse) {
 .theme-control > summary { width: 44px; min-height: 44px; }
 .theme-menu button { min-height: 44px; }
 .topbar-actions { gap: 12px; }
}
@media (max-width:480px) {
 .topbar { height: auto; min-height: 52px; flex-wrap: wrap; gap: 4px 12px; padding-block: 4px; }
 .signed-out .auth-card input { font-size: 16px; }
 body > header { flex-wrap: wrap; gap: 12px; }
}

/* The supplied brand fonts are Regular-only; hierarchy uses size and color. */
body > header .wordmark, body > main h2, body > main h3, body > main label, body > main dd, body > main .allowance,
.settings-view h2, .provider-name, .environment-next-step strong, .launch-prerequisites h3 { font-weight: 400; }
@media (max-width:760px), (pointer:coarse) {
 #files button { min-height: 44px; }
}

#account-control { display:block; margin-top:auto; padding:12px 0; border-top:1px solid var(--hairline); }
.account-menu { position:relative; }
.account-menu > summary { display:flex; align-items:center; gap:10px; min-height:44px; padding:6px 10px; border-radius:6px; cursor:pointer; list-style:none; color:var(--text-primary); }
.account-menu > summary::-webkit-details-marker { display:none; }
.account-menu > summary:hover, .account-menu[open] > summary { background:var(--surface); }
.account-avatar { display:grid; place-items:center; flex:none; width:28px; height:28px; border:1px solid var(--border); border-radius:50%; font:400 12px var(--sans); color:var(--text-secondary); }
.account-menu .account-name { flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font:400 13px var(--sans); }
.account-menu summary svg { flex:none; stroke:var(--text-secondary); fill:none; stroke-width:1.5; }
.account-popover { position:absolute; bottom:calc(100% + 6px); left:0; width:min(240px,100%); max-width:calc(100vw - 32px); padding:6px; border:1px solid var(--border); border-radius:8px; background:var(--black); box-shadow:0 8px 24px #00000014; z-index:50; }
.account-meta { padding:8px 10px 12px; margin-bottom:4px; border-bottom:1px solid var(--hairline); font:400 12px var(--sans); color:var(--text-secondary); }
.account-meta > span { text-transform:capitalize; color:var(--text-primary); }
.account-meta small { display:block; margin-top:5px; font-size:11px; }
.account-popover button, .account-popover .signout { display:block; width:100%; min-height:36px; padding:8px 10px; border:0; border-radius:4px; background:transparent; text-align:left; font:400 12px var(--sans); color:var(--text-primary); cursor:pointer; }
.account-popover button:hover { background:var(--surface); }
.account-menu summary:focus-visible, .account-popover button:focus-visible { outline:1px solid var(--interactive); outline-offset:2px; }
@media(max-width:760px) { #account-control { margin-top:12px; } .account-popover { bottom:auto; top:calc(100% + 6px); } }
@media(pointer:coarse) { .account-popover button { min-height:44px; } }

/* Text fields use their existing border for focus, without a second outer ring. */
:root :is(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]), textarea, select):is(:focus, :focus-visible) {
 outline: none;
 box-shadow: none;
 border-color: var(--text-secondary);
}

/* Workspace utilities live with the identity, leaving one content navigation row. */
.sidebar-identity { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 80px; }
.sidebar-identity .brand { height: auto; min-height: 44px; padding-inline: 8px 0; }
.sidebar-identity .theme-control { margin-right: 4px; }
.sidebar-identity .theme-menu { right: 0; }
@media(max-width:760px) {
 .sidebar-identity { min-height: 64px; }
 .sidebar-identity .brand { padding: 0; }
}

/* Status colors describe outcomes, not decoration. Every state keeps its text label. */
:root {
 --success: #216344; --success-soft: #edf7f0;
 --info: #2859a6; --info-soft: #edf3fe;
 --warning: #855807; --warning-soft: #fff6e3;
 --error: #ad3838; --error-soft: #fdf0ef;
 --neutral-soft: #f0f0f0;
}
:root[data-riften-theme="dark"], body.signed-out {
 --success: #98d4b2; --success-soft: #243a2e;
 --info: #a8c6ff; --info-soft: #26344b;
 --warning: #eac481; --warning-soft: #403523;
 --error: #f1aaa5; --error-soft: #432b2b;
 --neutral-soft: #30302e;
}
.badge, .environment-card .badge { padding: 3px 8px; border-radius: 5px; background: var(--success-soft); color: var(--success); font-size: 12px; line-height: 1.5; text-align: left; }
.badge:before { width: 5px; height: 5px; }
.badge.blue { background: var(--info-soft); color: var(--info); }
.badge.amber { background: var(--warning-soft); color: var(--warning); }
.badge.red { background: var(--error-soft); color: var(--error); }
.badge.gray { background: var(--neutral-soft); color: var(--text-secondary); }
.run-state { background: var(--info-soft); color: var(--info); border: 0; border-radius: 6px; padding: 12px 16px; font-family: var(--sans); font-size: 13px; flex-wrap: wrap; }
.run-state .pulse, .live-phase .status-dot { background: var(--info); }
.live-phase { color: var(--info); }
.notice[role="alert"], .comparison-caution, .trace-capture-note { background: var(--warning-soft); color: var(--warning); border: 0; border-radius: 6px; padding: 12px 16px; }
.error-banner { background: var(--error-soft); color: var(--error); border: 0; border-radius: 6px; padding: 12px 16px; line-height: 1.6; overflow-wrap: anywhere; }
.result-panel { margin-block: 28px; padding-top: 24px; border-top: 1px solid var(--border); }
.result-panel .section-title { margin-bottom: 12px; gap: 16px; }
.result-panel h2 { font-size: 16px; }
.result-context { font-size: 13px; color: var(--text-secondary); margin: 0 0 16px; max-width: 680px; }
.check-overview { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.check-overview .check-summary { margin: 0; font-variant-numeric: tabular-nums; }
.check-meter { width: 140px; height: 6px; border: 0; background: var(--neutral-soft); border-radius: 3px; overflow: hidden; }
.check-meter::-webkit-meter-bar { background: var(--neutral-soft); border: 0; border-radius: 3px; box-shadow: none; }
.check-meter::-webkit-meter-optimum-value { background: var(--success); }
.check-meter::-moz-meter-bar { background: var(--success); }
.check-list .check-passed .checkmark { background: var(--success-soft); color: var(--success); }
.check-list .check-failed .checkmark { background: var(--error-soft); color: var(--error); }
.check-list .check-failed small { color: var(--error); }
.result-panel .check-list li { padding-block: 10px; }
.result-panel details > summary { font-family: var(--sans); cursor: pointer; color: var(--text-secondary); font-size: 13px; padding-block: 10px; }
.result-panel details > summary:hover { color: var(--text-primary); }
.result-panel details > pre { max-height: 360px; overflow: auto; padding: 16px; background: var(--surface); border-radius: 6px; font: 12px/1.7 var(--mono); }
.run-details { padding: 16px 0; row-gap: 16px; }
.run-details dt { font-size: 12px; margin-bottom: 6px; }
.run-details dd { font-size: 13px; line-height: 1.6; font-variant-numeric: tabular-nums; }
.run-details .digest-value { font-size: 11px; }
.back { display: inline-flex; align-items: center; min-height: 32px; margin-bottom: 12px; font-size: 12px; color: var(--text-secondary); text-decoration: none; }
.back:hover { color: var(--primary-action); }
.table-wrap tbody tr:hover { background: var(--surface); }
.table-wrap td { font-variant-numeric: tabular-nums; }
.filter-count { background: var(--neutral-soft); border-radius: 4px; padding: 2px 5px; }
.tabs button.active .filter-count { background: var(--nav-selected); color: var(--primary-action); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
@media(max-width:760px) { .run-details { grid-template-columns: 1fr; } .result-panel .section-title { flex-wrap: wrap; } }

:root { --nav-selected: #eaeaea; --primary-action: #252525; --primary-action-hover: #404040; --primary-action-text: #ffffff; }
:root[data-riften-theme="dark"] { --nav-selected: #303030; --primary-action: #ececec; --primary-action-hover: #ffffff; --primary-action-text: #1b1b1b; }
body:not(.signed-out) .main-shell .btn.primary { background: var(--primary-action); border-color: var(--primary-action); color: var(--primary-action-text); }
body:not(.signed-out) .main-shell .btn.primary:hover:not(:disabled) { background: var(--primary-action-hover); border-color: var(--primary-action-hover); }
.sidebar nav a.active { background: var(--nav-selected); color: var(--primary-action); }
.workspace-nav a.active, .tabs button.active, .file-tabs button.active { color: var(--primary-action); border-bottom-color: var(--primary-action); }
@media(max-width:760px) { .sidebar nav a.active { background: transparent; border-bottom-color: var(--primary-action); } }

/* Keep repeated unmeasured states quiet; meaningful outcomes carry the color. */
.catalog-table .badge.gray { background: transparent; padding-inline: 0; color: var(--text-secondary); }
.catalog-table .badge.gray:before { display: none; }
.sidebar nav a.active svg { color: var(--primary-action); }
.catalog-table td:first-child > a { color: var(--text-primary); }
.catalog-table td:first-child > a:hover { text-decoration: underline; text-underline-offset: 3px; }
.catalog-table td { padding-block: 14px; }
.catalog-table .row-sub { margin-top: 4px; font-size: 12px; line-height: 1.5; }

/* Researcher workflow: one toolbar, evidence-first rows, and optional detail. */
.researcher-toolbar { align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.researcher-toolbar .catalog-search { width: 280px; max-width: 100%; flex: 1 1 220px; }
.researcher-toolbar input, .researcher-toolbar select { height: 36px; min-height: 36px; font-size: 13px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--black); color: var(--text-primary); }
.researcher-toolbar #catalog-count { margin-left: auto; padding: 0; font-size: 12px; }
.toolbar-field { display: block; }
.researcher-toolbar .toolbar-field { position: relative; }
.researcher-toolbar .toolbar-field::after {
 content: ""; position: absolute; right: 13px; top: 50%; width: 6px; height: 6px;
 border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
 transform: translateY(-70%) rotate(45deg); color: var(--text-secondary); pointer-events: none;
}
.researcher-toolbar select {
 appearance: none; -webkit-appearance: none; cursor: pointer;
 padding-inline: 12px 34px; border-color: var(--border-visible); background: var(--black);
 transition: background-color 120ms ease, border-color 120ms ease;
}
.researcher-toolbar select:hover { background: var(--nav-selected); border-color: var(--text-secondary); }
.researcher-toolbar select:focus-visible { border-color: var(--text-secondary); }
@media (forced-colors: active) {
 .researcher-toolbar select { appearance: auto; }
 .researcher-toolbar .toolbar-field::after { display: none; }
}
.researcher-catalog { width: 100%; table-layout: fixed; font-size: 13px; }
.researcher-catalog th { padding: 12px 10px; border-bottom: 1px solid var(--border); }
.researcher-catalog th:first-child { width: auto; }
.researcher-catalog th:nth-child(2) { width: 14%; }
.researcher-catalog th:nth-child(3) { width: 20%; }
.researcher-catalog th:nth-child(4) { width: 20%; }
.researcher-catalog th:last-child { width: 92px; }
.researcher-catalog td { padding: 16px 10px; vertical-align: middle; overflow-wrap: anywhere; }
.researcher-catalog td:first-child, .researcher-catalog th:first-child { padding-left: 0; }
.researcher-catalog td:last-child, .researcher-catalog th:last-child { padding-right: 0; text-align: right; }
.researcher-catalog .task-name { color: var(--text-primary); font-size: 14px; line-height: 1.5; text-decoration: none; }
.researcher-catalog .task-name:hover { text-decoration: underline; text-underline-offset: 3px; }
.catalog-description { display: block; margin-top: 5px; color: var(--text-secondary); font-size: 12px; line-height: 1.55; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.researcher-catalog .badge { max-width: 100%; white-space: normal; overflow-wrap: normal; }
.researcher-catalog .badge.gray { background: transparent; padding-inline: 0; }
.researcher-catalog .badge.gray:before { display: none; }
.researcher-catalog .btn.text { padding-inline: 0; }
.researcher-catalog .row-sub { display: block; font-size: 11px; line-height: 1.5; margin-top: 5px; color: var(--text-secondary); }
.evidence-count { font-variant-numeric: tabular-nums; }
.page-heading { margin-bottom: 20px; }
.run-overview { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; padding: 18px 0; margin-bottom: 8px; border-block: 1px solid var(--border); }
.run-overview span { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.run-overview strong { display: block; font-size: 14px; line-height: 1.5; font-variant-numeric: tabular-nums; }
.run-provenance, .comparison-details { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border); }
.run-provenance > summary, .comparison-details > summary { cursor: pointer; padding-block: 8px; font: 400 13px/1.5 var(--sans); color: var(--text-secondary); }
.trial-progress-label { display: block; font-size: 12px; font-variant-numeric: tabular-nums; }
.trial-progress, .experiment-progress { display: block; width: 100%; height: 5px; margin-top: 8px; accent-color: var(--info); border: 0; border-radius: 4px; overflow: hidden; background: var(--neutral-soft); }
.trial-progress { max-width: 100px; }
.experiment-progress { margin: 0 0 24px; }
.trial-progress::-webkit-progress-bar, .experiment-progress::-webkit-progress-bar { background: var(--neutral-soft); }
.trial-progress::-webkit-progress-value, .experiment-progress::-webkit-progress-value { background: var(--info); }
.trial-progress::-moz-progress-bar, .experiment-progress::-moz-progress-bar { background: var(--info); }
.model-comparison-chart { margin-block: 16px 24px; }
.chart-caption { font-size: 12px; margin: 0 0 16px; color: var(--text-secondary); }
.model-chart-row, .model-chart-axis { display: grid; grid-template-columns: minmax(120px,1fr) minmax(140px,2fr) 65px; gap: 16px; align-items: center; }
.model-chart-row { padding-block: 12px; }
.model-chart-name { overflow-wrap: anywhere; font-size: 13px; }
.model-chart-name small { display: block; font-size: 12px; color: var(--text-secondary); margin-top: 5px; }
.model-chart-row svg { display: block; width: 100%; height: 28px; overflow: visible; }
.chart-track { stroke: var(--border); stroke-width: 1; }
.chart-fill { fill: var(--info); opacity: .2; }
.chart-interval { stroke: var(--info); stroke-width: 1.5; }
.chart-estimate { fill: var(--info); }
.model-chart-rate { text-align: right; font-size: 13px; font-variant-numeric: tabular-nums; }
.model-chart-axis { font-size: 11px; color: var(--text-secondary); }
.model-chart-axis > div { display: flex; justify-content: space-between; padding-inline: 2.5%; }
@media(max-width:760px) {
 .researcher-toolbar { flex-direction: row; }
 .researcher-toolbar .catalog-search { flex-basis: 100%; }
 .researcher-toolbar .toolbar-field { flex: 1; }
 .researcher-toolbar select { width: 100%; }
 .researcher-toolbar #catalog-count { width: 100%; }
 .researcher-catalog, .researcher-catalog tbody { display: block; }
 .researcher-catalog thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
 .researcher-catalog tr { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; border-bottom: 1px solid var(--border); padding: 18px 0; }
 .researcher-catalog td, .researcher-catalog td:first-child, .researcher-catalog td:last-child { display: block; width: auto; border: 0; padding: 0; text-align: left; }
 .researcher-catalog td:first-child, .researcher-catalog td[colspan] { grid-column: 1/-1; }
 .researcher-catalog td[data-label]:before { content: attr(data-label); display: block; margin-bottom: 6px; font-size: 11px; color: var(--text-secondary); }
 .run-overview { grid-template-columns: 1fr 1fr; gap: 16px; }
 .run-overview > div:first-child { grid-column: 1/-1; }
 .model-chart-row, .model-chart-axis { grid-template-columns: minmax(90px,1fr) minmax(100px,1.5fr) 48px; gap: 8px; }
}
@media (max-width:760px), (pointer:coarse) {
 .researcher-catalog .task-name, .researcher-catalog .catalog-result { display: inline-flex; align-items: center; min-height: 44px; }
}
@media(pointer:coarse) { .researcher-toolbar input, .researcher-toolbar select { height: 44px; min-height: 44px; } }

/* Native disclosures keep keyboard semantics and respect reduced motion. */
@supports (interpolate-size: allow-keywords) {
 #main details { interpolate-size: allow-keywords; }
 #main details::details-content {
  block-size: 0; overflow: clip;
  transition: block-size 180ms ease, content-visibility 180ms allow-discrete;
 }
 #main details[open]::details-content { block-size: auto; }
}
@media (prefers-reduced-motion: reduce) {
 #main details::details-content, .provider-action:after { transition: none; }
}

/* Audit details occupy a full row, so expanding an event never resizes columns. */
.audit-columns, .audit-event > summary {
 display: grid; grid-template-columns: minmax(0,1.4fr) minmax(120px,1fr) 165px 16px;
 gap: 24px; align-items: center; padding: 14px 12px;
}
.audit-columns { color: var(--text-secondary); font-size: 12px; padding-block: 10px; }
.audit-events { list-style: none; padding: 0; margin: 0; }
.audit-events > li { border-top: 1px solid var(--border); }
.audit-events > li:last-child { border-bottom: 1px solid var(--border); }
.audit-event > summary { min-height: 68px; list-style: none; cursor: pointer; font-size: 13px; transition: background-color 120ms ease; }
.audit-event > summary::-webkit-details-marker { display: none; }
.audit-event > summary:hover, .audit-event[open] > summary { background: var(--surface); }
.audit-event-name { min-width: 0; }
.audit-event-name strong { display: block; line-height: 1.5; }
.audit-target, .audit-actor { font: 11px/1.6 var(--mono); color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.audit-target { display: block; margin-top: 3px; }
.audit-time { color: var(--text-secondary); font-size: 12px; font-variant-numeric: tabular-nums; }
.disclosure-chevron { width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); justify-self: center; margin-bottom: 3px; color: var(--text-secondary); transition: transform 180ms ease; }
.audit-event[open] .disclosure-chevron { transform: rotate(225deg); }
.audit-event-body { padding: 8px 16px 20px; background: var(--surface); }
.audit-identifiers { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px 32px; margin: 0 0 20px; }
.audit-identifiers dt { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.audit-identifiers dd { margin: 0; overflow-wrap: anywhere; font: 12px/1.6 var(--mono); }
.audit-event-body h2 { margin: 0 0 8px; }
.audit-event-body pre { max-width: none; max-height: 360px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0; padding: 14px 16px; border: 1px solid var(--border); border-radius: 6px; background: var(--black); color: var(--text-primary); font: 12px/1.7 var(--mono); }
@media(max-width:1000px) {
 .audit-columns, .audit-event > summary { grid-template-columns: minmax(0,1fr) minmax(100px,.65fr) 140px 12px; gap: 16px; }
}
@media(max-width:760px) {
 .audit-columns { display: none; }
 .audit-event > summary { grid-template-columns: minmax(0,1fr) 12px; gap: 6px 16px; padding: 14px 8px; }
 .audit-event-name { grid-column: 1; }
 .audit-target { display: none; }
 .audit-actor { grid-column: 1; white-space: normal; overflow-wrap: anywhere; }
 .audit-actor .sr-only { position: static; width: auto; height: auto; margin: 0; clip: auto; white-space: normal; }
 .audit-time { grid-column: 1; }
 .disclosure-chevron { grid-column: 2; grid-row: 1 / span 3; }
 .audit-event-body { padding: 8px 12px 16px; }
 .audit-identifiers { grid-template-columns: 1fr; gap: 12px; }
 .provider-settings > summary { padding-inline: 8px; }
 .provider-settings-body { padding-inline: 8px; }
}
@media(prefers-reduced-motion:reduce) {
 .disclosure-chevron, .audit-event > summary { transition: none; }
}

/* Match the visible row target to its actual click area. Native links stay tabbable. */
.table-wrap tbody tr { transition: background-color 140ms ease; }
.table-wrap tbody tr:hover { background: transparent; }
.table-wrap tbody tr[data-row-link] { cursor: pointer; }
.table-wrap tbody tr[data-row-link]:hover,
.table-wrap tbody tr[data-row-link]:has(:focus-visible) { background: color-mix(in srgb,var(--text-primary) 3%,var(--black)); }
.table-wrap tbody tr[data-row-link]:active { background: var(--surface-raised); }
.table-wrap tr[data-row-link] .task-name { display: flex; align-items: center; min-height: 32px; width: 100%; }
.table-wrap tr[data-row-link] .btn.text { min-width: 64px; justify-content: center; }
.provider-settings > summary { transition: background-color 140ms ease; }
.provider-settings > summary:hover, .audit-event > summary:hover { background: color-mix(in srgb,var(--text-primary) 3%,var(--black)); }
@media(pointer:coarse) {
 .table-wrap tr[data-row-link] .task-name { min-height: 44px; }
}
@media(prefers-reduced-motion:reduce) {
 .table-wrap tbody tr, .provider-settings > summary { transition: none; }
}

/* Reserve room for the whole action rather than clipping an oversized generic button. */
.catalog-open { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 72px; min-height: 32px; padding: 6px 8px; border: 1px solid transparent; border-radius: 5px; color: var(--text-secondary); font: 400 13px/1.4 var(--sans); white-space: nowrap; text-decoration: none; transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease; }
.catalog-open svg { flex: none; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.catalog-open:hover { color: var(--text-primary); border-color: var(--border); background: var(--black); text-decoration: none; }
.catalog-open:active { background: var(--surface-raised); }
.catalog-open:focus-visible { outline: 1px solid var(--interactive); outline-offset: 2px; }
@media(max-width:760px), (pointer:coarse) { .catalog-open { min-height: 44px; } }
@media(prefers-reduced-motion:reduce) { .catalog-open { transition: none; } }

/* Scan the catalog quickly; full descriptions and technical metadata live in details. */
.researcher-catalog td { padding-block: 10px; }
.researcher-catalog .task-name { font-size: 13px; }
.catalog-description { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; -webkit-line-clamp: unset; margin-top: 2px; }
.catalog-empty { font-size: 12px; color: var(--text-secondary); }
.researcher-catalog .badge.gray { font-size: 12px; }
.experiment-table td, .table-wrap table:not(.researcher-catalog) td { padding-block: 12px; }
.task-overview { display: block; }
.task-overview .assignment-panel { border: 0; padding: 0; max-width: 900px; }
.environment-metadata { border-top: 1px solid var(--border); margin-top: 24px; padding-top: 12px; }
.environment-metadata > summary { cursor: pointer; font-size: 13px; padding: 10px 0; }
.environment-metadata .details { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0 24px; }
.environment-metadata .details > div { min-width: 0; }
.environment-metadata dd { overflow-wrap: anywhere; }
.environment-latest { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 0; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.environment-latest h2 { font-size: 13px; margin: 0 0 6px; }
.environment-latest p { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13px; margin: 0; }
.environment-latest-actions { display: flex; align-items: center; gap: 16px; font-size: 12px; color: var(--text-secondary); }
.route-loading { display: flex; align-items: center; gap: 10px; min-height: 120px; color: var(--text-secondary); font-size: 13px; }
.loading-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--text-secondary); animation: loading-pulse 1s ease-in-out infinite alternate; }
.route-error h1 { font: 400 24px/1.4 var(--sans); }
.route-error p { margin: 12px 0 20px; }
@keyframes loading-pulse { to { opacity: .25; } }
@media(max-width:760px) {
 .researcher-catalog td { padding-block: 0; }
 .researcher-catalog tr { gap: 12px; padding-block: 16px; }
 .environment-latest { align-items: flex-start; flex-direction: column; }
 .environment-latest-actions { flex-wrap: wrap; }
 .environment-metadata .details { grid-template-columns: 1fr; }
}
@media(prefers-reduced-motion:reduce) { .loading-dot { animation: none; } }

.environment-next-step { padding: 0 0 12px; margin-bottom: 12px; border-bottom: 0; }
.environment-next-step > div { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 12px; }
.environment-next-step p { margin: 0; }
.environment-summary { margin-bottom: 12px; }
.task-overview .environment-metadata { border-top: 0; margin: 0 0 16px; padding: 0 0 8px; border-bottom: 1px solid var(--border); }
.assignment-panel .prose { max-width: 78ch; font-size: 14px; line-height: 1.8; }

/* Audit browsing keeps human-readable events prominent and IDs in details. */
.audit-toolbar { display: flex; margin: 24px 0 8px; }
.audit-toolbar #audit-count { margin-left: auto; color: var(--text-secondary); font-size: 12px; white-space: nowrap; }
.audit-scope { color: var(--text-secondary); font-size: 12px; margin: 0 0 16px; }
.audit-event > summary { min-height: 62px; }
.audit-target, .audit-actor { font-family: var(--sans); font-size: 12px; }
.audit-events > li[hidden], #audit-empty[hidden] { display: none; }
@media(max-width:760px) { .audit-toolbar #audit-count { width: 100%; } }

/* Appearance stays reachable without competing with workspace navigation. */
.theme-control-floating {
 position: fixed; right: max(16px,env(safe-area-inset-right)); bottom: max(16px,env(safe-area-inset-bottom));
 z-index: 40; border: 1px solid var(--border); border-radius: 50%; background: var(--black);
 box-shadow: 0 2px 8px #00000008;
}
.theme-control-floating > summary { width: 36px; min-height: 36px; border-radius: 50%; }
.theme-control-floating .theme-menu { top: auto; bottom: calc(100% + 8px); right: 0; }
.signed-out .theme-control-floating { display: none; }
@media(pointer:coarse) { .theme-control-floating > summary { width: 44px; min-height: 44px; } }