/*
 * BioLab research cases (Case Study: Catalina). Scoped to .case-page and the
 * .case-* classes; tokens come from biolab.css. Pearl-white surfaces,
 * ice-blue and lavender accents, navy text. Three breakpoints: 1023px
 * (rail and context stack), 680px (single column), 390px (phones).
 */

.case-body{background:#fbfcfe}
.case-page{--case-ice:#e6f0fb;--case-ice-strong:#cfe1f7;--case-lavender:#ebe6fb;--case-lavender-strong:#d9d0f6;--case-pearl:#fbfcfe;--case-navy:var(--bl-text);color:var(--case-navy)}

/* Hero */
.case-hero{position:relative;padding:36px 0 32px;background:radial-gradient(58% 90% at 86% 10%,var(--case-ice) 0,rgba(251,252,254,0) 70%),radial-gradient(40% 70% at 6% 100%,var(--case-lavender) 0,rgba(251,252,254,0) 70%),var(--case-pearl)}
.case-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;align-items:center}
.case-hero h1{font-size:clamp(2rem,3.8vw,3.1rem);letter-spacing:-.03em;line-height:1.08;margin:0}
.case-topic{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:16px 0 0;color:var(--bl-text-soft);font-weight:500}
.case-tagline{margin:14px 0 0;font-size:1.08rem;color:var(--bl-text-soft);max-width:540px;line-height:1.55}
.case-status{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:18px 0 0;padding:0}
.case-status--published{border-color:var(--bl-teal);color:#046b6f}
.case-disclaimer{display:flex;align-items:flex-start;gap:8px;margin:18px 0 0;font-size:.86rem;color:var(--bl-muted)}
.case-disclaimer .bl-icon{flex:none;margin-top:2px;color:var(--bl-blue)}
.case-hero-art{max-width:620px;justify-self:end;width:100%}

/* Tabs */
.case-tabs{position:sticky;top:0;z-index:20;background:rgba(251,252,254,.94);backdrop-filter:blur(8px);border-top:1px solid var(--bl-line);border-bottom:1px solid var(--bl-line)}
.case-tab-list{display:flex;gap:4px;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.case-tab{position:relative;display:inline-flex;align-items:center;min-height:50px;padding:0 14px;color:var(--bl-text-soft);font-weight:600;font-size:.92rem;text-decoration:none;white-space:nowrap;border-radius:8px 8px 0 0}
.case-tab:hover{color:var(--case-navy);background:var(--case-ice)}
.case-tab.is-active{color:var(--bl-blue-deep)}
.case-tab.is-active::after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:3px;border-radius:3px;background:var(--bl-blue)}
.case-tab:focus-visible,.case-filter:focus-visible,.case-view:focus-visible,.case-rail-link:focus-visible{outline:3px solid var(--bl-blue);outline-offset:2px}

/* Layout */
.case-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;padding:32px 0 56px;align-items:start}
.case-layout--context{grid-template-columns:220px minmax(0,1fr) 272px}
.case-private-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:32px;padding:32px 0 56px;align-items:start}
.case-main{min-width:0;display:flex;flex-direction:column;gap:28px}
.case-rail{position:sticky;top:66px;display:flex;flex-direction:column;gap:18px}
.case-rail-block h2{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--bl-muted);margin:0 0 8px}
.case-rail-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.case-rail-link{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;color:var(--bl-text-soft);text-decoration:none;font-size:.9rem;font-weight:500}
.case-rail-link .bl-icon{flex:none;width:18px;height:18px}
.case-rail-link span:nth-of-type(1){flex:1;min-width:0}
.case-rail-link:hover{background:var(--case-ice);color:var(--case-navy)}
.case-rail-link.is-active{background:var(--case-ice);color:var(--bl-blue-deep);font-weight:600}
.case-rail-private{border-top:1px solid var(--bl-line);padding-top:14px}
.case-rail-hint{margin:6px 0 0;font-size:.78rem;color:var(--bl-muted);line-height:1.45}
.case-publish{display:flex;flex-direction:column;gap:10px;padding:16px;border:1px solid var(--case-ice-strong);border-radius:var(--bl-radius-sm);background:var(--case-ice)}
.case-publish h2{margin:0;color:var(--bl-blue-deep)}
.case-publish-status{margin:0;font-size:.92rem;font-weight:600;color:var(--case-navy);line-height:1.45}
.case-publish-ready{margin:0;font-size:.84rem;color:var(--bl-text-soft);line-height:1.5}
.case-publish-btn{width:100%;justify-content:center;margin-top:4px;min-height:44px;padding:8px 14px;line-height:1.3;text-align:center}
.case-publish-help{margin:4px 0 0;padding-top:10px;border-top:1px solid var(--case-ice-strong);font-size:.8rem;color:var(--bl-muted);line-height:1.5}
.case-publish-digest{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.74rem;color:var(--bl-muted);line-height:1.5;overflow-wrap:anywhere}
.case-publish-blockers{margin:0;padding:10px 12px;border:1px solid #f0c9cf;border-radius:var(--bl-radius-sm);background:var(--bl-coral-soft);color:#a3313f;font-size:.82rem;line-height:1.5}
.case-publish-blockers p{margin:0 0 6px;font-weight:600}
.case-publish-blockers ul{margin:0;padding-left:18px}
.case-publish-blockers a{color:inherit;text-decoration:underline}
.case-publish-alert{margin:0;padding:10px 12px;border:1px solid #f3dcae;border-radius:var(--bl-radius-sm);background:var(--bl-amber-soft);color:#8a5600;font-size:.82rem;line-height:1.5}
.case-publish-btn:disabled{opacity:.55;cursor:not-allowed}
.case-rail-session{flex-wrap:wrap}
.case-rail-session .lit-session-user{font-size:.8rem}

/* Panels */
.case-panel{background:#fff;border:1px solid var(--bl-line);border-radius:var(--bl-radius);box-shadow:var(--bl-shadow);padding:26px 28px}
.case-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.case-panel-title{font-size:1.45rem;letter-spacing:-.015em;margin:0 0 12px}
.case-lead{margin:0 0 18px;color:var(--bl-text-soft);line-height:1.6}
.case-block{padding:18px 0 0;border-top:1px solid var(--bl-line);margin-top:18px}
.case-block h3{font-size:1.02rem;margin:0 0 8px}
.case-block p{margin:0;line-height:1.6;color:var(--bl-text-soft)}
.case-overview-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;margin-top:4px}
.case-block--status{background:var(--case-pearl);border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm);padding:16px 18px;margin-top:18px}
.case-kv{display:grid;gap:10px;margin:0}
.case-kv div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:8px;font-size:.9rem}
.case-kv dt{color:var(--bl-muted);font-weight:600}
.case-kv dd{margin:0;color:var(--case-navy);overflow-wrap:anywhere}
.case-kv--inline{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:8px}
.case-kv--inline div{display:flex;gap:6px;grid-template-columns:none}
.case-list{margin:0;padding-left:20px;color:var(--bl-text-soft);line-height:1.6;display:grid;gap:8px}
.case-list--steps{padding-left:22px}
.case-empty{display:grid;justify-items:center;gap:8px;text-align:center;padding:34px 20px;border:1px dashed var(--bl-line-strong);border-radius:var(--bl-radius-sm);background:var(--case-pearl);color:var(--bl-text-soft)}
.case-empty .bl-icon{width:28px;height:28px;color:var(--bl-blue)}
.case-empty p{margin:0;max-width:520px;line-height:1.55}
.case-empty--inline{display:block;text-align:left;padding:14px 16px;margin:0}
.case-footer-note{display:flex;align-items:center;gap:8px;margin:0 auto 40px;color:var(--bl-muted);font-size:.86rem}
.case-footer-note .bl-icon{flex:none;color:var(--bl-blue)}

/* Toolbar, filters, forms */
.case-toolbar{display:flex;flex-direction:column;gap:14px;margin-bottom:14px}
.case-filters{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.case-filter{display:inline-flex;align-items:center;min-height:36px;padding:0 13px;border-radius:999px;border:1px solid var(--bl-line-strong);background:#fff;color:var(--bl-text-soft);font-size:.86rem;font-weight:600;text-decoration:none}
.case-filter:hover{border-color:var(--bl-blue);color:var(--case-navy)}
.case-filter.is-active{background:var(--case-ice);border-color:var(--case-ice-strong);color:var(--bl-blue-deep)}
.case-search,.case-date-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px}
.case-field{display:flex;flex-direction:column;gap:5px;font-size:.8rem;font-weight:600;color:var(--bl-text-soft)}
.case-field--grow{flex:1 1 240px}
.case-field input,.case-field select{font:inherit;font-size:.92rem;font-weight:400;color:var(--case-navy);background:#fff;border:1px solid var(--bl-line-strong);border-radius:10px;padding:8px 12px;min-height:40px}
.case-field input:focus,.case-field select:focus{outline:none;border-color:var(--bl-blue);box-shadow:0 0 0 4px rgba(38,117,200,.14)}
.case-field-help{flex-basis:100%;margin:0;font-size:.82rem;color:var(--bl-muted);line-height:1.5}
.case-count{margin:0 0 12px;font-size:.86rem;color:var(--bl-muted)}
.case-check{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--case-navy);line-height:1.5}
.case-check input{margin-top:4px;width:18px;height:18px}

/* Timeline */
.case-events{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.case-event{position:relative;display:grid;grid-template-columns:150px minmax(0,1fr);gap:0 20px;padding:16px 0 18px;border-top:1px solid var(--bl-line)}
.case-event::before{content:"";position:absolute;left:150px;top:22px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--bl-blue);transform:translateX(-50%)}
.case-event--symptom::before{border-color:var(--bl-amber)}
.case-event--test::before{border-color:var(--bl-teal)}
.case-event--procedure::before,.case-event--appointment::before{border-color:#5236ad}
.case-event--outcome::before{border-color:var(--bl-coral)}
.case-event-date{display:flex;flex-direction:column;gap:4px;padding-right:18px;font-size:.88rem;font-weight:600;color:var(--case-navy);font-variant-numeric:tabular-nums}
.case-precision{display:inline-flex;align-self:flex-start;border-radius:6px;padding:2px 7px;font-size:.72rem;font-weight:600;background:var(--case-pearl);border:1px solid var(--bl-line);color:var(--bl-muted)}
.case-precision--approximate,.case-precision--interval{background:var(--bl-amber-soft);border-color:#f3dcae;color:#8a5600}
.case-precision--unknown{background:var(--bl-coral-soft);border-color:#f5cfc8;color:#a33a2a}
.case-event-body{padding-left:10px;min-width:0}
.case-event-body h3{font-size:1.02rem;margin:6px 0 4px}
.case-event-body h3 a{color:var(--case-navy);text-decoration:none}
.case-event-body h3 a:hover{text-decoration:underline}
.case-event-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0}
.case-type,.case-flag,.case-certainty{display:inline-flex;align-items:center;gap:4px;border-radius:999px;padding:3px 9px;font-size:.74rem;font-weight:700;letter-spacing:.02em}
.case-type{background:var(--case-ice);color:var(--bl-blue-deep)}
.case-type--symptom{background:var(--bl-amber-soft);color:#8a5600}
.case-type--test{background:var(--bl-teal-soft);color:#046b6f}
.case-type--medication-note,.case-type--prescription,.case-type--administration{background:var(--case-ice);color:var(--bl-blue-deep)}
.case-type--procedure,.case-type--appointment{background:var(--case-lavender);color:#5236ad}
.case-type--outcome{background:var(--bl-coral-soft);color:#a33a2a}
.case-flag{background:#fff;border:1px dashed var(--bl-line-strong);color:var(--bl-text-soft);font-weight:600}
.case-certainty{background:#fff;border:1px solid var(--bl-line);color:var(--bl-muted);font-weight:600}
.case-certainty--documented{border-color:var(--bl-teal);color:#046b6f}
.case-event-summary{margin:0;color:var(--bl-text-soft);line-height:1.55}
.case-event-meta{display:flex;flex-wrap:wrap;gap:4px 16px;margin:8px 0 0;font-size:.8rem;color:var(--bl-muted)}
.case-detail{border:1px solid var(--case-ice-strong);background:var(--case-pearl);border-radius:var(--bl-radius-sm);padding:20px 22px;margin-bottom:22px}
.case-detail:focus{outline:3px solid var(--bl-blue);outline-offset:2px}
.case-detail h3{font-size:1.25rem;margin:8px 0 12px}
.case-detail h4{font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--bl-muted);margin:16px 0 4px}
.case-detail p{margin:0;line-height:1.6;color:var(--bl-text-soft)}
.case-kv--detail{margin-top:4px}
.case-drawer .lit-dialog-form{max-height:min(86vh,900px);overflow:auto}
.case-drawer .case-detail{margin:0;border:0;padding:0;background:transparent}

/* Context cards */
.case-context{position:sticky;top:66px;display:flex;flex-direction:column;gap:12px}
.case-context h2{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--bl-muted);margin:0}
.case-context-card{background:#fff;border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm);padding:16px 16px 12px;border-top:4px solid var(--case-ice-strong)}
.case-context-card--current{border-top-color:var(--bl-teal-soft)}
.case-context-card--investigational{border-top-color:var(--case-lavender-strong)}
.case-context-card h3{font-size:1rem;margin:0 0 4px}
.case-context-card p{margin:0;font-size:.86rem;color:var(--bl-text-soft);line-height:1.5}
.case-context-count{margin-top:8px!important;font-weight:600;color:var(--bl-muted)}
.case-context-card .lit-btn{margin-top:8px;padding-left:0}

/* Treatment */
.case-views ul{list-style:none;margin:0 0 18px;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.case-view{display:flex;flex-direction:column;gap:3px;padding:12px 14px;border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm);text-decoration:none;color:var(--bl-text-soft);background:#fff}
.case-view strong{color:var(--case-navy);font-size:.95rem}
.case-view span{font-size:.8rem;line-height:1.4}
.case-view:hover{border-color:var(--bl-blue)}
.case-view.is-active{background:var(--case-ice);border-color:var(--case-ice-strong)}
.case-view.is-active strong{color:var(--bl-blue-deep)}
.case-view-title{font-size:1.15rem;margin:0 0 6px}
.case-group{margin-top:18px}
.case-group h4,.case-uncertain h4{font-size:.95rem;margin:0 0 8px}
.case-uncertain{margin-top:22px;padding-top:16px;border-top:1px solid var(--bl-line)}
.case-table-wrap{overflow-x:auto;border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm)}
.case-table{width:100%;border-collapse:collapse;font-size:.86rem}
.case-table th,.case-table td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--bl-line);line-height:1.5}
.case-table thead th{background:var(--case-pearl);color:var(--bl-muted);font-size:.74rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;white-space:nowrap}
.case-table tbody th{font-weight:600;color:var(--case-navy)}
.case-table tbody tr:last-child td,.case-table tbody tr:last-child th{border-bottom:0}
.case-table tr:target{background:var(--case-lavender)}
.case-sources{list-style:none;margin:0;padding:0;display:grid;gap:4px}

/* Evidence */
.case-notes{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.case-note{border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm);padding:14px 16px;background:var(--case-pearl)}
.case-note h4{font-size:1rem;margin:0 0 6px}
.case-note p{margin:0;line-height:1.55;color:var(--bl-text-soft)}
.case-note-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:8px!important;font-size:.86rem}
.case-note-links a{display:inline-flex;align-items:center;gap:6px}
.case-note-links:empty{display:none}

/* Questions */
.case-prompts{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:10px}
.case-prompt{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm);background:var(--case-pearl);font-size:1rem;line-height:1.5}
.case-prompt-n{flex:none;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--case-lavender);color:#5236ad;font-weight:700;font-size:.86rem}

/* Private workspace */
.case-private-hero{padding:32px 0 20px;background:var(--case-pearl);border-bottom:1px solid var(--bl-line)}
.case-private-hero h1{font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 8px}
.case-private-hero .lit-session{margin:12px 0 14px}
.case-ws-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.case-ws-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 16px;padding:12px 14px;border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm);background:var(--case-pearl)}
.case-ws-item h3{font-size:.98rem;margin:0 0 4px}
.case-ws-item p{margin:0;font-size:.84rem;color:var(--bl-text-soft);line-height:1.5}
.case-ws-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.case-ws-actions{display:flex;gap:6px;align-items:flex-start}
.case-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.case-form-grid .lit-field--grow{grid-column:1/-1}
.case-form-grid fieldset{grid-column:1/-1;border:1px solid var(--bl-line);border-radius:10px;padding:10px 12px;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}
.case-form-grid legend{font-size:.8rem;font-weight:700;color:var(--bl-muted);padding:0 6px}
.case-form-grid .lit-field--check{flex-direction:row;align-items:center;gap:8px}

/* Motion */
@media(prefers-reduced-motion:reduce){.case-page *{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* Responsive */
@media(max-width:1023px){
  .case-hero-grid{grid-template-columns:1fr;gap:24px}
  .case-hero-art{justify-self:stretch;max-width:none}
  .case-layout,.case-layout--context,.case-private-layout{grid-template-columns:1fr;gap:20px}
  .case-rail,.case-context{position:static}
  .case-rail{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;padding:14px 16px;border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm);background:#fff}
  .case-rail-private{border-top:0;padding-top:0}
  .case-context{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .case-context h2{grid-column:1/-1}
  .case-overview-grid{grid-template-columns:1fr}
}
@media(max-width:680px){
  .case-hero{padding:24px 0 22px}
  .case-panel{padding:18px 16px;border-radius:var(--bl-radius-sm)}
  .case-context{grid-template-columns:1fr}
  .case-views ul{grid-template-columns:1fr}
  .case-event{grid-template-columns:1fr;gap:6px;padding-left:18px}
  .case-event::before{left:0;top:24px;transform:none}
  .case-event-date{flex-direction:row;flex-wrap:wrap;align-items:center;gap:8px;padding-right:0}
  .case-event-body{padding-left:0}
  .case-kv div{grid-template-columns:1fr;gap:2px}
  .case-form-grid,.case-form-grid fieldset{grid-template-columns:1fr}
  .case-table-wrap{overflow:visible;border:0}
  .case-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .case-table,.case-table tbody,.case-table tr{display:block;width:100%}
  .case-table tr{border:1px solid var(--bl-line);border-radius:var(--bl-radius-sm);padding:6px 0;margin-bottom:10px;background:#fff}
  .case-table th,.case-table td{display:grid;grid-template-columns:118px minmax(0,1fr);gap:8px;border-bottom:0;padding:6px 12px;overflow-wrap:anywhere}
  .case-table th::before,.case-table td::before{content:attr(data-label);color:var(--bl-muted);font-size:.74rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding-top:2px}
  .case-ws-item{grid-template-columns:1fr}
}
@media(max-width:400px){
  .case-tab{padding:0 10px;font-size:.86rem}
  .case-table th,.case-table td{grid-template-columns:1fr;gap:2px}
}