/* Bedside Reference — interactive tool components.
   Builds on styles.css tokens (--bg, --paper, --ink, --muted, --rule, --accent…).
   The @import covers tool pages whose <head> still loads only Spectral+Inter;
   pages using the current head (NAV_FOOTER_SNIPPET.html) already have it. */
@import url("https://fonts.googleapis.com/css2?family=Libre+Franklin:wght@400;500;600;700&display=swap");
:root{
  --t-ok:#17663f; --t-ok-soft:rgba(23,102,63,.09);
  --t-warn:#9a5a00; --t-warn-soft:rgba(154,90,0,.10);
  --t-bad:#b42318; --t-bad-soft:rgba(180,35,24,.08);
  --t-info-soft:rgba(31,61,99,.06);
  --t-field:#fff;
}
:root[data-theme="dark"]{
  --t-ok:#6fcf97; --t-ok-soft:rgba(111,207,151,.12);
  --t-warn:#f0b35a; --t-warn-soft:rgba(240,179,90,.12);
  --t-bad:#ff8a80; --t-bad-soft:rgba(255,138,128,.12);
  --t-info-soft:rgba(122,181,230,.08);
  --t-field:#0f161e;
}
.brt{padding:calc(var(--nav-h,64px) + 36px) 0 72px}
@media(max-width:720px){.brt{padding-top:calc(var(--nav-h,64px) + 22px)}}
.brt-crumbs{font:500 13px/1.4 var(--font-sans);color:var(--muted);margin-bottom:14px}
.brt-crumbs a{color:var(--accent);display:inline-flex;align-items:center;min-height:44px;margin:-12px 0 -8px}
.brt-crumbs a:hover{text-decoration:underline}
.brt-head{max-width:820px;margin-bottom:22px}
.brt-head .eyebrow{font:600 12px/1.3 var(--font-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-dim);margin-bottom:8px}
.brt-head h1{font-size:clamp(30px,5vw,44px);margin-bottom:10px}
.brt-head .lede{font-size:17px;color:var(--muted);line-height:1.55;max-width:68ch}
.brt-meta{display:flex;flex-wrap:wrap;gap:6px 10px;margin-top:14px}
.brt-pill{display:inline-flex;align-items:center;gap:6px;font:500 12px/1.2 var(--font-sans);color:var(--muted);border:1px solid var(--rule);border-radius:999px;padding:5px 10px;background:var(--paper)}
.brt-pill b{color:var(--ink);font-weight:600}

/* layout */
.brt-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:22px;align-items:start}
.brt-grid.wide{grid-template-columns:1fr}
.brt-card{background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius-lg);padding:20px 20px 18px}
.brt-results{position:sticky;top:calc(var(--nav-h,64px) + 16px)}
@media(max-width:900px){
  .brt-grid{grid-template-columns:1fr}
  .brt-results{position:static}
}
.brt-sec{margin:0 0 18px}
.brt-sec:last-child{margin-bottom:0}
.brt-sec>h2,.brt-card>h2{font:600 12px/1.3 var(--font-sans);letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin:0 0 10px;display:flex;align-items:center;gap:8px}
.brt-sec>h2 .n{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--accent);color:var(--paper);font-size:12px;letter-spacing:0}
.brt-sub{font-size:13px;color:var(--muted);margin:-4px 0 10px}

/* fields */
.brt-fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.brt-fields.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.brt-field{display:flex;flex-direction:column;gap:5px;min-width:0}
.brt-field>span{font:500 13px/1.3 var(--font-sans);color:var(--ink)}
.brt-field>span small{color:var(--muted);font-weight:400}
.brt-input{display:flex;align-items:stretch;border:1px solid var(--rule);border-radius:8px;background:var(--t-field);overflow:hidden;transition:border-color .15s,box-shadow .15s}
.brt-input:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.brt-input input,.brt-input select{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:500 17px/1.2 var(--font-sans);padding:11px 12px;outline:none;-moz-appearance:textfield}
.brt-input input::-webkit-outer-spin-button,.brt-input input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.brt-input select{font-size:15px;cursor:pointer}
.brt-input .u{display:flex;align-items:center;padding:0 11px;font:500 12.5px/1 var(--font-sans);color:var(--muted);background:var(--t-info-soft);border-left:1px solid var(--rule);white-space:nowrap}
.brt-input.invalid{border-color:var(--t-bad)}
.brt-hint{font-size:12px;color:var(--muted)}

/* segmented control */
.brt-seg{display:inline-flex;flex-wrap:wrap;border:1px solid var(--rule);border-radius:9px;padding:3px;background:var(--t-field);gap:3px}
.brt-seg button{border:0;background:transparent;color:var(--muted);font:500 14px/1.2 var(--font-sans);padding:8px 14px;border-radius:7px;cursor:pointer;min-height:44px}
.brt-seg button[aria-pressed="true"]{background:var(--accent);color:var(--paper)}
.brt-seg.block{display:flex}.brt-seg.block button{flex:1}
.brt-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-bottom:12px}
.brt-row>label{font:500 13px/1.3 var(--font-sans)}

/* criteria checklist (scores) */
.brt-checks{display:flex;flex-direction:column;gap:7px}
.brt-check{display:flex;align-items:center;gap:12px;border:1px solid var(--rule);border-radius:9px;padding:11px 12px;cursor:pointer;background:var(--t-field);transition:border-color .15s,background .15s;user-select:none}
.brt-check input{width:20px;height:20px;accent-color:var(--accent);flex:none;margin:0}
.brt-check .t{flex:1;font-size:15px;line-height:1.35}
.brt-check .t small{display:block;color:var(--muted);font-size:12.5px}
.brt-check .p{font:600 13px/1 var(--font-sans);color:var(--accent);background:var(--accent-soft);border-radius:6px;padding:5px 7px;white-space:nowrap}
.brt-check:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.brt-opts{display:flex;flex-direction:column;gap:6px}
.brt-opts .brt-check{padding:9px 12px}

/* results */
.brt-big{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:2px 0 4px}
.brt-big b{font:600 44px/1 Spectral,Georgia,serif;color:var(--ink);letter-spacing:-.01em}
.brt-big span{font:500 14px/1.3 var(--font-sans);color:var(--muted)}
.brt-band{display:inline-flex;align-items:center;gap:7px;font:600 13px/1.2 var(--font-sans);border-radius:999px;padding:6px 11px;margin:4px 0 8px}
.brt-band::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.brt-band.ok{color:var(--t-ok);background:var(--t-ok-soft)}
.brt-band.warn{color:var(--t-warn);background:var(--t-warn-soft)}
.brt-band.bad{color:var(--t-bad);background:var(--t-bad-soft)}
.brt-band.info{color:var(--accent);background:var(--accent-soft)}
.brt-kv{display:grid;grid-template-columns:auto 1fr;gap:7px 14px;margin:10px 0;font-size:14.5px}
.brt-kv dt{color:var(--muted)}
.brt-kv dd{margin:0;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.brt-divider{height:1px;background:var(--rule);margin:14px 0}
.brt-steps{list-style:none;padding:0;margin:8px 0 0;display:flex;flex-direction:column;gap:8px}
.brt-steps li{position:relative;padding:9px 12px 9px 14px;border-radius:8px;background:var(--t-info-soft);font-size:14.5px;line-height:1.45;border-left:3px solid var(--accent)}
.brt-steps li.ok{border-color:var(--t-ok);background:var(--t-ok-soft)}
.brt-steps li.warn{border-color:var(--t-warn);background:var(--t-warn-soft)}
.brt-steps li.bad{border-color:var(--t-bad);background:var(--t-bad-soft)}
.brt-steps li b{font-weight:600}
.brt-callout{border-radius:8px;padding:10px 13px;font-size:14px;line-height:1.45;margin:10px 0;border-left:3px solid var(--accent);background:var(--t-info-soft)}
.brt-callout.warn{border-color:var(--t-warn);background:var(--t-warn-soft)}
.brt-callout.bad{border-color:var(--t-bad);background:var(--t-bad-soft)}
.brt-callout.ok{border-color:var(--t-ok);background:var(--t-ok-soft)}
.brt-empty{color:var(--muted);font-size:14.5px;padding:8px 0}
.brt-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.brt-btn{border:1px solid var(--rule-2);background:var(--paper);color:var(--ink);font:500 14px/1 var(--font-sans);padding:12px 16px;min-height:44px;border-radius:var(--radius);cursor:pointer;transition:border-color .15s,color .15s}
.brt-btn:hover{border-color:var(--accent);color:var(--accent)}

/* tables */
.brt-table{width:100%;border-collapse:collapse;font-size:14px}
.brt-table th{font:600 12px/1.3 var(--font-sans);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:left;padding:8px 10px;border-bottom:1px solid var(--rule)}
.brt-table td{padding:9px 10px;border-bottom:1px solid var(--rule);vertical-align:top}
.brt-table tr:last-child td{border-bottom:0}
.brt-table tr.hit td{background:var(--accent-soft);font-weight:600}
.brt-tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* reference & sources */
.brt-ref{margin-top:34px;max-width:860px}
.brt-ref>h2{font-size:24px;margin-bottom:12px}
.brt-ref details{border:1px solid var(--rule);border-radius:var(--radius-lg);background:var(--paper);margin-bottom:10px}
.brt-ref summary{cursor:pointer;list-style:none;padding:15px 18px;min-height:52px;align-items:center;font:600 15.5px/1.35 var(--font-sans);display:flex;justify-content:space-between;gap:12px}
.brt-ref summary::-webkit-details-marker{display:none}
.brt-ref summary::after{content:"+";font-weight:400;color:var(--muted);font-size:20px;line-height:1}
.brt-ref details[open] summary::after{content:"–"}
.brt-ref .body{padding:0 18px 16px;font-size:15px;line-height:1.6;color:var(--ink)}
.brt-ref .body p{margin:0 0 9px}
.brt-ref .body ul{margin:0 0 9px 1.1em}
.brt-ref .body li{margin:3px 0}
.brt-ref code,.brt-formula{font:500 13.5px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--t-info-soft);border-radius:5px;padding:2px 6px}
.brt-formula{display:block;padding:9px 12px;margin:6px 0 10px;white-space:normal}
.brt-sources{margin-top:30px;max-width:860px;border-top:1px solid var(--rule);padding-top:18px}
.brt-sources h2{font-size:20px;margin-bottom:8px}
.brt-sources ol{padding-left:1.2em;font-size:13.5px;color:var(--muted);line-height:1.5}
.brt-sources li{margin:4px 0}
.brt-disc{margin-top:18px;font-size:12.5px;color:var(--faint);max-width:860px}

/* sticky mobile summary */
.brt-sticky{display:none}
@media(max-width:900px){
  .brt-sticky{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;align-items:center;justify-content:space-between;gap:10px;
    padding:10px 18px calc(10px + env(safe-area-inset-bottom));background:var(--accent);color:#fff;font:600 15px/1.25 var(--font-sans);
    box-shadow:0 -6px 20px rgba(0,0,0,.15);transform:translateY(110%);transition:transform .2s}
  :root[data-theme="dark"] .brt-sticky{color:#0a0e13}
  .brt-sticky.show{transform:none}
  .brt-sticky a{color:inherit;font-size:13px;opacity:.9;white-space:nowrap;text-decoration:underline;display:inline-flex;align-items:center;min-height:44px;padding:0 4px}
  .brt{padding-bottom:110px}
}

/* tools hub */
.brt-hub-group{margin:30px 0 8px}
.brt-hub-group h2{font-size:24px;margin-bottom:4px}
.brt-hub-group p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.brt-hub{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:18px}
.brt-tile{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius-lg);overflow:hidden;transition:transform .15s,box-shadow .15s,border-color .15s}
.brt-tile:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 12px 28px -18px rgba(20,24,31,.35)}
.brt-tile img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top;border-bottom:1px solid var(--rule);background:var(--bg)}
:root[data-theme="dark"] .brt-tile img{filter:brightness(.86) contrast(1.05)}
.brt-tile .tx{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.brt-tile .k{font:600 12px/1.3 var(--font-sans);letter-spacing:.1em;text-transform:uppercase;color:var(--accent-dim)}
.brt-tile:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.brt-tile h3{font-size:20px}
.brt-tile p{font-size:14px;color:var(--muted);line-height:1.5;flex:1}
.brt-tile .go{font:600 13.5px/1 var(--font-sans);color:var(--accent);margin-top:6px}
.brt-tile .src{font-size:12px;color:var(--faint)}

/* shared fixes */
.brt [hidden]{display:none!important}
.brt-sources li{overflow-wrap:anywhere}
.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}
@media(max-width:560px){.brt-fields.two{grid-template-columns:1fr}}

.brt-hub-group:first-child{margin-top:0}

/* sticky summary sits above the home indicator; page content clears it */
@media(max-width:900px){.brt-sticky{padding-left:calc(18px + env(safe-area-inset-left));padding-right:calc(18px + env(safe-area-inset-right))}}
.brt-input input,.brt-input select{min-height:46px}
.brt-check{min-height:48px}
.brt-hub-group h2{font-size:clamp(22px,3vw,26px)}
.brt details>summary{min-height:44px}

/* shared fixes (round 2) */
.brt-fields{align-items:end}
.brt-grid>*{min-width:0}
.brt-input select{width:100%;min-width:0}
@media(max-width:900px){.brt-grid{grid-template-columns:minmax(0,1fr)}}
.brt-field>span small,.brt-sec>h2 small,.brt small.hint{font-size:12px}

/* ---------- Tools hub (v3): compact cards, filter, recently used ---------- */
section.block.tools-browse{padding-top:0}
.tools-browse .bsr-card-chip .n{font-weight:600;margin-left:2px}
.tool-sub{scroll-margin-top:calc(var(--nav-total) + 72px)}
.tool-sub[hidden],.tool-card[hidden]{display:none!important}
.tool-subhead{margin:40px 0 16px;padding-bottom:12px;border-bottom:1px solid var(--rule)}
.tool-sub:first-of-type .tool-subhead,.tool-recent+.tool-count+.tool-sub .tool-subhead{margin-top:26px}
.tool-subhead h2{font-size:clamp(22px,2.6vw,27px);margin:0 0 4px}
.tool-subhead p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.5;max-width:60em}
.tool-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
.tool-card{min-width:0}
@media(min-width:640px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}}
@media(min-width:1060px){.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}}
.tool-card{display:flex;gap:14px;align-items:flex-start;padding:16px;background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);color:inherit;text-decoration:none;transition:transform .22s var(--ease),border-color .2s,box-shadow .22s}
.tool-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow)}
.tool-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.tool-ic{flex:none;width:44px;height:44px;border-radius:12px;background:var(--navy);display:grid;place-items:center}
:root[data-theme="dark"] .tool-ic{background:var(--accent-soft)}
.tool-ic .si{width:22px;height:22px;background:#fff;-webkit-mask:no-repeat center/contain;mask:no-repeat center/contain;-webkit-mask-image:var(--ic-tool);mask-image:var(--ic-tool)}
:root[data-theme="dark"] .tool-ic .si{background:var(--accent)}
.tool-ic .si[data-spec="cards"]{-webkit-mask-image:var(--ic-cardiology);mask-image:var(--ic-cardiology)}
.tool-ic .si[data-spec="em"]{-webkit-mask-image:var(--ic-emergency);mask-image:var(--ic-emergency)}
.tool-ic .si[data-spec="nephro"]{-webkit-mask-image:var(--ic-nephrology);mask-image:var(--ic-nephrology)}
.tool-ic .si[data-spec="pulm"]{-webkit-mask-image:var(--ic-pulmonary);mask-image:var(--ic-pulmonary)}
.tool-ic .si[data-spec="neuro"]{-webkit-mask-image:var(--ic-neurology);mask-image:var(--ic-neurology)}
.tool-ic .si[data-spec="id"]{-webkit-mask-image:var(--ic-infectious-disease);mask-image:var(--ic-infectious-disease)}
.tool-ic .si[data-spec="hem"]{-webkit-mask-image:var(--ic-hematology);mask-image:var(--ic-hematology)}
.tool-ic .si[data-spec="rheum"]{-webkit-mask-image:var(--ic-rheumatology);mask-image:var(--ic-rheumatology)}
.tool-ic .si[data-spec="gi"]{-webkit-mask-image:var(--ic-gastroenterology);mask-image:var(--ic-gastroenterology)}
.tool-ic .si[data-spec="endo"]{-webkit-mask-image:var(--ic-endocrine);mask-image:var(--ic-endocrine)}
.tool-tx{display:flex;flex-direction:column;min-width:0;flex:1;gap:4px}
.tool-k{font:600 12px/1.3 var(--font-sans);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-dim)}
.tool-card h3{font-size:19px;line-height:1.22;margin:0}
.tool-card p{margin:2px 0 0;color:var(--muted);font-size:14px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tool-src{font-size:12px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
@media(max-width:639px){.tool-card p{-webkit-line-clamp:2}}
.tool-count{font-size:14px;color:var(--muted);margin:22px 0 0}
.tool-recent{margin:26px 0 0}
.tool-recent h2{font:600 12px/1.3 var(--font-sans);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-dim);margin:0 0 10px}
.tool-recent-list{display:flex;flex-wrap:wrap;gap:10px}
.tool-recent-item{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:6px 16px 6px 6px;border:1px solid var(--rule-2);border-radius:999px;
  background:var(--paper);color:var(--ink);font:600 14.5px/1.2 var(--font-sans);text-decoration:none;transition:border-color .15s}
.tool-recent-item:hover{border-color:var(--accent)}
.tool-recent-item .tool-ic{width:36px;height:36px;border-radius:50%}
.tool-recent-item .tool-ic .si{width:18px;height:18px}
@media(max-width:639px){.tool-recent-list{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:0 calc(-1 * var(--gutter));padding:0 var(--gutter) 4px}
  .tool-recent-list::-webkit-scrollbar{display:none}.tool-recent-item{flex:none}}
#tool-search-input{width:100%;min-height:54px;font-size:16.5px;font-family:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--rule-2);
  border-radius:14px;padding:14px 50px 14px 48px;outline:none;box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;appearance:none}
#tool-search-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
#tool-search-input::placeholder{color:var(--faint)}
#tool-search-input::-webkit-search-decoration,#tool-search-input::-webkit-search-cancel-button{display:none}