/* Neutral product chrome; scientific colors remain reserved for the molecular scene. */
:root {
  /* Neutral chrome reads the product tokens (truvi-system.css §15–16); molecular-scene colours below stay their own. */
  color-scheme: light;
  --sans: var(--sans-app, Inter, system-ui, sans-serif);
  --serif: var(--sans);
  --bg: var(--pv-bg, #FCFCFD);
  --panel: var(--pv-surface, #FFFFFF);
  --elevated: var(--pv-surface, #FFFFFF);
  --line: var(--pv-line, #E5E7EB);
  --line-soft: var(--pv-line-2, #EEF0F3);
  --text: var(--pv-ink, #1C2024);
  --muted: var(--pv-muted, #6B7280);
  --faint: var(--pv-muted, #6B7280);
  --gold: var(--pv-accent, #1C2024);
  --gold-bg: var(--pv-accent-tint, #F1F3F6);
  --teal: #337653;
  --blue: #426d9b;
  --purple: #776291;
  --red: #a2463e;
  --j-line: var(--pv-line, #E5E7EB);
  --j-cyan: var(--pv-accent, #1C2024);
  --radius: var(--ui-radius, 10px);
  --ui-header-height: 60px;
}

html, body { background: var(--bg); color: var(--text); font-family: var(--sans); }
body { font-size: 14px; }
::selection { background: var(--pv-live-tint, #E8F5FE); color: var(--text); }
::-webkit-scrollbar-thumb { background: #cbd0d4; border-radius: 4px; }
button:focus-visible, a:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, summary:focus-visible {
  outline-color: var(--pv-live, #51B6F8);
}
.eyebrow, .j-kicker { color: var(--muted); letter-spacing: .65px; }

/* Compact, persistent product navigation. */
.cosmo-header.product-header {
  width: 100%; max-width: none; height: var(--ui-header-height); min-height: var(--ui-header-height);
  padding: 0 24px; margin: 0; gap: 24px;
  display: flex; flex-wrap: nowrap; align-items: center;
  border-bottom: 1px solid var(--line); background: #fff;
  box-shadow: none;
}
.product-header .j-brand {
  margin: 0 14px 0 0; padding: 0; font-size: 27px;
  letter-spacing: -1.5px; color: #202526; line-height: 1;
}
.product-header .j-brand span { color: #64846f; }
.product-header nav {
  display: flex; align-self: stretch; align-items: stretch;
  width: auto; height: auto; margin-left: 0; gap: 8px;
}
.product-header .j-nav {
  position: relative; min-height: 42px; padding: 0 16px;
  font-size: 12px; font-weight: 600; color: #646b6e;
  border: 0; border-bottom: 2px solid transparent; border-radius: 0;
}
.product-header .j-nav:hover { color: #242729; background: #f8f9fa; }
.product-header .j-nav.selected, .product-header .j-nav[aria-current] {
  color: #202426; border-bottom-color: #343a3d; background: #f4f5f6;
}
.product-header .product-project {
  margin-left: auto; padding: 7px 10px; max-width: 260px;
  border: 1px solid #dce0e3; border-radius: 4px;
  background: #fff; color: #454c50; font-size: 11px; line-height: 1.4;
}
.product-header .product-project:hover { color: #242729; background: #f5f6f7; }

/* Dashboard and source library. */
.project-hub { min-height: calc(100dvh - var(--ui-header-height)); grid-template-columns: 228px minmax(0, 1fr); }
.hub-sidebar { padding: 27px 18px 24px 24px; background: #f7f8fa; border-color: var(--line); }
.hub-project strong { color: var(--text); font-size: 13px; font-weight: 600; margin-top: 8px; }
.hub-nav { gap: 3px; margin: 22px 0 18px; }
.hub-nav button { padding: 10px 11px; color: var(--muted); border-radius: 4px; }
.hub-nav button:hover { color: var(--text); background: #f0f2f4; border-color: transparent; }
.hub-nav button[aria-current] { color: #242729; background: #e9ecef; border-color: #e1e5e8; font-weight: 600; }
.hub-side-note { color: var(--faint); line-height: 1.7; }
.hub-content { padding: 29px 34px 50px; background: #fff; }
.hub-heading { margin-bottom: 27px; }
.hub-heading h1 { margin: 9px 0; font-size: 27px; letter-spacing: -.7px; font-weight: 600; }
.hub-heading p { color: var(--muted); }
.hub-actions { padding-top: 16px; }
.hub-metrics { gap: 0; border: 1px solid var(--line); border-radius: 5px; overflow: hidden; margin-bottom: 22px; }
.hub-metrics button { border: 0; border-right: 1px solid var(--line); border-radius: 0; background: #fafbfc; padding: 18px 22px; }
.hub-metrics button:last-child { border-right: 0; }
.hub-metrics button:hover { background: #f1f3f5; }
.hub-metrics strong { color: #262b2e; font-size: 28px; font-weight: 600; }
.hub-metrics span { color: var(--muted); margin-top: 6px; }
.hub-grid { gap: 18px; }
.hub-card { background: #fff; border-color: var(--line); border-radius: 5px; padding: 22px; box-shadow: none; }
.hub-card h2 { color: var(--text); font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.hub-card p, .hub-empty, .hub-work-row small, .hub-person small { color: var(--muted); }
.hub-scope dt { color: var(--faint); font-size: 10px; }
.hub-scope dd { color: #3b4245; font-size: 12px; }
.hub-link, .hub-source-list .hub-card a { color: #414c54; }
.hub-link:hover, .hub-source-list .hub-card a:hover { color: #202629; text-decoration: underline; }
.hub-work-row, .hub-history li { border-color: var(--line-soft); }
.hub-work-row:hover, .hub-person:hover { background: #f8f9fa; }
.hub-work-row strong, .hub-person strong { color: #32393d; font-weight: 600; }
.hub-status { background: var(--pv-side, #F1F3F6); color: var(--pv-ink-2, #4B5259); border-radius: 999px; padding: 2px 8px; }
.hub-status[data-status="In progress"] { background: var(--pv-info-tint, #E8EFFB); color: var(--pv-info, #2457B5); }
.hub-status[data-status="Blocked"] { background: var(--pv-warn-tint, #FBF1DA); color: var(--pv-warn, #7A5200); }
.hub-status[data-status="Done"] { background: var(--pv-ok-tint, #E4F4EB); color: var(--pv-ok, #17653F); }
.hub-initials { background: #e9edf0; color: #59666d; }
.hub-note { color: var(--faint) !important; }
.hub-history li { color: #495257; }
.hub-history time { color: var(--faint); }
.hub-history .hub-link { margin-inline: 8px; white-space: nowrap; }
.hub-source-list { gap: 16px; }
.hub-source-list .hub-card h2 { color: var(--text); font-size: 15px; }
.hub-wiki-intro p, .hub-wiki-card small { color: var(--muted); }
.hub-wiki-card:hover { background: #f8f9fa; border-color: #cbd2d7; }
.hub-wiki-body { color: #41494d; }
.hub-search { color: var(--muted); }
.hub-search input { background: #fff; border-color: #d5dbe0; color: #32393d; padding: 10px 12px; border-radius: 4px; }
.hub-form label, .hub-form legend { color: var(--muted); }
.hub-form input:not([type=checkbox]), .hub-form textarea, .hub-form select {
  background: #fff; border-color: #d5dbe0; border-radius: 4px; color: #32393d;
}
.hub-form fieldset { border-color: var(--line); border-radius: 4px; }
.hub-checkbox input { accent-color: #434b50; }
.research-section-nav { border-color: var(--line); }

/* Research controls use neutral surfaces; selected structures retain sage highlights. */
#app { background: #fff; }
#app .project-header { background: #fbfcfd; padding: 17px 24px; border-color: var(--line); }
.discovery-panel, .evidence-panel, .molecular-panel { background: #fff; }
.discovery-panel { padding: 22px 18px 20px 24px; border-color: var(--line); }
.evidence-panel { border-color: var(--line); }
.molecular-heading { padding-top: 22px; }
#app .pane-title { font-size: 22px; font-weight: 600; color: var(--text); }
#app .molecular-heading h2 { font-size: 26px; font-weight: 600; color: var(--text); }
.query-row input { background: #fff; border-color: #d5dbe0; border-radius: 4px; color: #32393d; font: 14px/1.4 var(--sans); }
.query-context, .tier-intro, .tier-definition, .tier-boundary, .tier-empty { color: var(--faint); }
.query-context strong { color: #485157; }
.search-field { border-color: #d8dde1; background: #fff; border-radius: 4px; }
.search-field input { color: #32393d; background: transparent; }
.search-field input::placeholder { color: #8b9398; }
.tier { color: #5d686f; border-color: #d1d9df; background: #f3f5f6; }
.tier.t1 { color: #477559; border-color: #c6d9cd; background: #eef5ef; }
.tier-heading { font-weight: 600; }
.tier-heading b { color: #526067; }
.tier-boundary { border-color: #d1d9df; }
.candidate, .candidate-card { border-color: #e0e5e8; background: #fff; border-radius: 4px; }
.candidate:hover, .candidate-card:hover, .candidate-card:focus-within { background: #f5f7f6; border-color: #becac2; }
.candidate.selected, .candidate-card.selected { background: #e3e9df; border-color: #c7d2c3; border-left-color: #8da188; }
.candidate .tier { background: #dcf3e2; color: #417354; border-color: #c7e6d0; }
.candidate-title .variant { background: #fff1d8; color: #8c6c30; border-color: #eedbb7; }
.candidate-title strong { color: #303a34; font-weight: 600; }
.candidate-title small, .candidate-select p, .candidate-meta, .reference-card p { color: var(--muted); }
.candidate-select p b { color: #455148; }
.candidate-select p span, .candidate-meta { color: #748077; }
.view-site { border-color: #dce4d8; color: #43594a; }
.reference-card { border-color: var(--line); }
.mode-bar, .viewer-toolbar, .feature-inspector { background: #fff; border-color: var(--line); }
.mode-bar button, .visibility-group button, .right-tabs button { color: var(--muted); border-radius: 4px; }
.mode-bar button.active, .visibility-group button.active, .right-tabs button.active {
  color: #30383c; background: #edf0f2; border-color: #d2d9dd; font-weight: 600;
}
.canvas-shell { background: #fff; }
.canvas-topline .live-label, .canvas-bottomline>span { color: #788187; }
.structure-legend { background: #fffffff0; border-radius: 4px; }
.legend-dot.target { background: #6c8875; }
.legend-dot.analog { background: #547a9b; }
.residue-name { color: #477358; }
.residue-name.analog-text { color: #486f93; }
.map-frame text { fill: #68747b; }
.map-frame .map-node:hover .node-main, .map-frame .map-node:focus-visible .node-main { stroke: #64884f; }
.canvas-bottomline button { border-color: #d6dde2; background: #fff; color: #626f77; border-radius: 4px; }
.viewer-message { background: radial-gradient(ellipse, #f2f5f7cf 0, #ffffff99 70%); }
.viewer-message.error { background: #ffffffee; }
.loader-mark { border-color: #e0e5e9; border-top-color: #6e7f88; }
.icon-button { color: #68757c; border-color: #d8dfe4; border-radius: 4px; }
.visibility-group { border-color: #dee4e8; border-radius: 4px; }
.toggle { color: #6c777f; }
.switch { background: #edf0f2; border-color: #cbd4da; }
.switch:after { background: #97a3ab; }
.toggle.active .switch { background: #dfe7e0; border-color: #9db1a1; }
.toggle.active .switch:after { background: #5c7962; }
.toggle.active { color: #46514b; }
.more-controls summary { color: #5f6c74; }
.more-controls-popover { background: #fff; border-color: #d3dbe1; border-radius: 5px; box-shadow: 0 8px 25px #2637441a; }
.viewer-footnote { border-color: var(--line); }
.role-chip, .correspondence { background: #fff; border-color: #dce2e7; border-radius: 4px; }
.role-chip:hover, .correspondence:hover { border-color: #b6c5bd; }
.role-chip.active, .correspondence.active { background: #eaf0e6; border-color: #bacbb3; }
.role-chip.active>strong { color: #4c6956; }
.correspondence>strong { color: #3e7953; }
.correspondence>span, .correspondence>small { color: #728078; }
.selected-atom { background: #eef5eb; color: #507548; border-color: #97b28b; }
.signal { border-color: var(--line); }
.signal:hover { background: #f5f7f8; }
.signal strong.uncertain { color: #92702a; }
.variant-warning, .empty-state { background: #fffaf0; border-color: #e9dfc8; border-radius: 4px; }
.variant-warning .eyebrow, .empty-state strong { color: #907432; }
.variant-warning p { color: #8a7b55; }
.claim-row.selected { background: #f2eff6; }
.source-link { border-color: #d9e0e5; color: #5c6a75; border-radius: 3px; }
.source-link:hover { color: #334552; border-color: #aabac5; }
.difference-chip.active { background: #edf4e6; border-color: #a9c197; color: #587b41; }
.decision-section h3 { color: #333c42; font-weight: 600; }
.decision-section.unknown ul { color: #8b773c; }
.difference-callout.active { background: #f6f2fa; border-color: #b9a6c9; }
.statusbar { background: #fafbfc; border-color: var(--line); }

/* Inputs and project actions use the same formatting across all tabs. */
.button, .j-secondary {
  color: var(--text); border-color: var(--line); background: var(--panel);
  border-radius: var(--radius); box-shadow: none; font-weight: 600;
}
.button:not(.gold):hover, .j-secondary:hover { background: var(--pv-surface-2, #F9F9FB); border-color: var(--line); }
.button.gold, .j-primary { background: var(--gold); color: var(--pv-on-accent, #fff) !important; border-color: var(--gold); border-radius: var(--radius); }
.button.gold:hover, .j-primary:hover { background: var(--pv-accent-hover, #2A3036); border-color: var(--pv-accent-hover, #2A3036); }
.input, input[type=search], textarea, select,
.field-label input, .field-label textarea, .field-label select {
  background: var(--panel); border-color: var(--line); color: var(--text); border-radius: var(--radius);
}
input::placeholder, textarea::placeholder { color: var(--muted); }
input[type=range], input[type=checkbox] { accent-color: var(--text); }
input:focus, textarea:focus, select:focus, .hub-form input:focus,
.hub-form textarea:focus, .hub-form select:focus, .query-row input:focus {
  border-color: var(--line); background: var(--panel); outline-color: var(--pv-live, #51B6F8);
}
.search-field:focus-within { border-color: var(--line); background: var(--panel); }
kbd { color: var(--muted); border-color: var(--line); background: var(--pv-surface-2, #F9F9FB); }
dialog { background: var(--panel); border-color: var(--line); border-radius: 12px; color: var(--text); box-shadow: var(--pv-shadow, 0 8px 24px rgba(28,32,36,.05)); }
dialog::backdrop { background: rgba(28,32,36,.42); }
.modal-head, .modal-section, .modal-table td, .modal-table th { border-color: #e3e9ed; }
.modal-title { color: #29343c; font-weight: 600; font-size: 25px; }
.modal-subtitle, .modal-section p, .modal-section li { color: #71808a; }
.modal-table th { color: #465762; font-weight: 600; background: #f8fafb; }
.modal-table td { color: #586d7a; }
.drop-zone, .metric-box, .code { background: #f7f9fb; border-color: #dae3e9; color: #536975; border-radius: 4px; }
.metric-box strong { color: #394c58; }
.toast { background: var(--pv-ok-tint, #E4F4EB); border-color: var(--line); border-radius: var(--radius); color: var(--pv-ok, #17653F); box-shadow: var(--pv-shadow, 0 8px 24px rgba(28,32,36,.05)); }
.toast.error { background: var(--pv-warn-tint, #FBF1DA); border-color: var(--line); color: var(--pv-warn, #7A5200); }

@media (max-width: 1100px) {
  .cosmo-header.product-header { padding: 0 18px; gap: 12px; }
  .product-header .j-brand { margin-right: 6px; }
  .product-header .product-project { max-width: 205px; }
  .project-hub { grid-template-columns: 205px minmax(0, 1fr); }
  .hub-sidebar { padding: 24px 15px; }
  .hub-content { padding: 27px 24px 40px; }
  .hub-metrics button:nth-child(2) { border-right: 0; }
  .hub-metrics button:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 700px) {
  .project-hub { display: block; }
  .hub-sidebar { padding: 18px 16px 10px; border-bottom-color: var(--line); }
  .hub-nav { margin: 13px 0 5px; }
  .hub-content { padding: 23px 16px 35px; }
  .hub-heading h1 { font-size: 25px; }
  .hub-heading { margin-bottom: 23px; }
  .hub-card { padding: 18px; }
  .hub-metrics { gap: 0; }
  .hub-metrics button { padding: 16px 18px; }
  #app .project-header { padding: 16px; }
  .discovery-panel { padding: 18px 16px; }
}

@media (max-width: 620px) {
  :root { --ui-header-height: 96px; }
  .cosmo-header.product-header {
    display: grid; grid-template-columns: auto minmax(0, 1fr);
    grid-template-rows: 44px 52px; height: var(--ui-header-height); min-height: var(--ui-header-height);
    gap: 0 14px; padding: 0 16px;
  }
  .product-header .j-brand { font-size: 25px; align-self: center; margin: 0; }
  .product-header .product-project { grid-column: 2; grid-row: 1; max-width: 205px; min-width: 0; font-size: 10px; padding: 5px 8px; }
  .product-header nav { grid-column: 1 / -1; grid-row: 2; width: 100%; gap: 8px; height: 46px; margin: 0; }
  .product-header .j-nav { padding: 0 13px; font-size: 12px; }
  .project-hub { min-height: calc(100dvh - var(--ui-header-height)); }
}