:root{
  --teal:#0c6b72; --teal-d:#085055; --teal-l:#b3e9e3; --teal-bg:#e8f6f4;
  --ink:#15302f; --muted:#5d716f; --line:#d9e6e4; --bg:#f4faf9; --card:#fff;
  --g:#1f9d57; --g-bg:#e7f6ed; --a:#c98a14; --a-bg:#fbf3e0; --r:#c0392b; --r-bg:#fbeae8;
  --blue:#2b6cb0; --blue-bg:#e8f0fa;
  --shadow:0 1px 2px rgba(10,40,40,.06),0 4px 16px rgba(10,40,40,.05);
}
:root[data-theme="dark"]{
  --teal:#2bb3b0; --teal-d:#7fd8d2; --teal-l:#1c4b4f; --teal-bg:#13343a;
  --ink:#e7f1ef; --muted:#90a8a5; --line:#274241; --bg:#0e1c1d; --card:#13262a;
  --g:#46c886; --g-bg:#11301f; --a:#e2b24f; --a-bg:#33290f; --r:#ec7163; --r-bg:#3a1b18;
  --blue:#83b4e6; --blue-bg:#15283c;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 4px 16px rgba(0,0,0,.28);
}
*{box-sizing:border-box} html,body{margin:0}
body{font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--teal);text-decoration:none} a:hover{text-decoration:underline}

/* splash */
#splash{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 42%,#fff 0%,#eef8f6 70%,#e2f1ee 100%);transition:opacity .55s ease}
:root[data-theme="dark"] #splash{background:radial-gradient(circle at 50% 42%,#13262a 0%,#0e1c1d 70%,#0b1718 100%)}
#splash.gone{opacity:0;pointer-events:none}
.splash-logo{width:min(190px,42vw);opacity:0;transform:scale(.92);animation:in 1.2s cubic-bezier(.22,.61,.36,1) forwards;
  filter:drop-shadow(0 8px 26px rgba(12,107,114,.18))}
@keyframes in{0%{opacity:0;transform:scale(.9)}60%{opacity:1}100%{opacity:1;transform:scale(1)}}
@media(prefers-reduced-motion:reduce){.splash-logo{animation:none;opacity:1;transform:none}}

/* uniform Radtera site bar */
.sitebar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:8px 20px;background:transparent;color:var(--muted)}
.site-brand{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:600;font-size:15px;white-space:nowrap}
.site-brand:hover{text-decoration:none;opacity:.92}
.site-logo{height:22px;width:auto;display:block;filter:brightness(0)}
:root[data-theme="dark"] .site-logo{filter:brightness(0) invert(1)}
.site-nav{display:flex;gap:4px;flex-wrap:wrap}
.site-nav a{color:var(--muted);font-size:13px;padding:4px 10px;border-radius:7px;opacity:.9}
.site-nav a:hover{background:color-mix(in srgb,var(--ink) 9%,transparent);color:var(--ink);text-decoration:none;opacity:1}

/* top bar */
.topbar{position:sticky;top:0;z-index:10;display:flex;gap:16px;align-items:center;padding:12px 20px;
  background:var(--card);background:color-mix(in srgb, var(--bg) 70%, transparent);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;cursor:pointer;white-space:nowrap}
.brand-logo{height:30px;width:auto;display:block}
.brand-text{font-size:16px;color:var(--teal-d);font-weight:800}.brand-text strong{font-weight:800}
.beta-tag{margin-left:6px;font-size:10px;font-weight:800;letter-spacing:.8px;padding:2px 7px;border-radius:5px;
  background:var(--a-bg);color:var(--a);border:1px solid var(--a);text-transform:uppercase}
.search-wrap{position:relative;flex:1;max-width:760px}
#search{width:100%;padding:11px 38px 11px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;
  background:var(--bg);color:var(--ink);transition:border-color .15s,box-shadow .15s}
#search:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-l)}
.search-hint{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--muted);
  border:1px solid var(--line);border-radius:5px;padding:1px 7px;font-size:12px;background:var(--card)}
.icon-btn{flex:0 0 auto;width:38px;height:38px;border:1.5px solid var(--line);border-radius:10px;background:var(--bg);
  color:var(--teal-d);font-size:17px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.icon-btn:hover{border-color:var(--teal)}
.status-bar{position:sticky;top:0;z-index:9;font-size:12.5px;color:var(--muted);background:var(--a-bg);
  border-bottom:1px solid var(--line);padding:6px 20px;text-align:center}
.status-bar strong{color:var(--a)}

#view{max-width:1080px;margin:0 auto;padding:24px 20px 60px}
.hero{margin:8px 0 16px}.hero h1{font-size:25px;margin:0 0 6px;color:var(--teal-d)}
.hero p{margin:0;color:var(--muted);max-width:720px}
.legend{display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12.5px;margin:6px 0 14px}

/* status dot */
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px;vertical-align:middle}
.dot.aligned{background:var(--g)} .dot.mixed{background:var(--a)} .dot.single{background:var(--muted);opacity:.5}

/* system grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin-top:6px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;cursor:pointer;
  box-shadow:var(--shadow);transition:transform .12s,border-color .12s}
.tile:hover{transform:translateY(-2px);border-color:var(--teal-l)}
.tile h3{margin:0 0 4px;font-size:16px;color:var(--ink)}
.tile .count{color:var(--muted);font-size:13px}.tile .tmeta{color:var(--teal-d);font-size:12px;margin-top:6px;font-weight:600}

/* results */
.crumb{color:var(--muted);font-size:13px;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}.crumb a{color:var(--muted)}
.ctrail{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.backbtn{flex:0 0 auto;display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--muted);font-size:13px;font-weight:600;cursor:pointer;transition:border-color .12s,color .12s}
.backbtn:hover{border-color:var(--teal);color:var(--teal)}
.count-line{color:var(--muted);font-size:13px;margin:0 2px 14px}
.result{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:13px 16px;margin-bottom:10px;
  cursor:pointer;box-shadow:var(--shadow);transition:border-color .12s}
.result:hover{border-color:var(--teal)}
.result .rtitle{font-weight:650;font-size:15.5px}
.result .rmeta{color:var(--muted);font-size:13px;margin-top:4px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.result .rfirst{margin-top:6px;font-size:13px}.result .rfirst b{color:var(--g)}
.rsys{color:var(--teal-d);font-weight:600;border-bottom:1px dotted var(--teal-l)}
.rsys:hover{color:var(--teal);text-decoration:none;border-bottom-style:solid}
.rcount{color:var(--muted)} .rbadges{display:inline-flex;gap:5px;flex-wrap:wrap}
.mini-alert{color:var(--r);font-weight:700}
.group h2{font-size:18px;color:var(--teal-d);margin:24px 0 8px;border-bottom:1px solid var(--line);padding-bottom:5px}
.ghead{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:13px 16px;margin-bottom:10px;cursor:pointer;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:space-between;gap:10px;transition:border-color .12s}
.ghead:hover{border-color:var(--teal)}
.ghead .rtitle{font-weight:650;font-size:15.5px}
.ghead .gchev{color:var(--muted);font-size:20px;line-height:1;transition:transform .15s}
.ghead.open{border-color:var(--teal)} .ghead.open .gchev{transform:rotate(90deg)}
.gkids{margin:-2px 0 12px 14px;padding-left:14px;border-left:2px solid var(--line)}
.gkids .result{margin-bottom:8px}
.muted{color:var(--muted)} .empty{text-align:center;color:var(--muted);padding:50px 0}
.hero p.sub{font-size:14px;margin-top:4px}

/* presentation cards (system browse) */
.plist{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:6px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;
  box-shadow:var(--shadow);transition:transform .12s,border-color .12s}
.pcard:hover{transform:translateY(-2px);border-color:var(--teal)}
.pcard .ptitle{font-weight:650;font-size:15px;line-height:1.35}
.pcard .pmeta{margin-top:9px;display:flex;gap:6px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12px}
.srcb{font-size:10.5px;font-weight:800;letter-spacing:.3px;padding:2px 7px;border-radius:20px;
  background:var(--teal-bg);color:var(--teal-d);white-space:nowrap}
.srcb.acr{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.more-wrap{margin-top:22px}
.more-btn{background:var(--bg);color:var(--teal-d);border:1.5px solid var(--line);border-radius:10px;
  padding:10px 16px;font-size:13.5px;font-weight:650;cursor:pointer;transition:border-color .12s}
.more-btn:hover{border-color:var(--teal)}
.plist.acr-only{margin-top:12px;opacity:.85}

/* detail */
.detail h1{font-size:24px;margin:0 0 8px;color:var(--ink)}
.consensus-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.cbadge{font-size:13px;font-weight:800;padding:5px 12px;border-radius:20px}
.cbadge.ok{background:var(--g-bg);color:var(--g)} .cbadge.warn{background:var(--a-bg);color:var(--a)}
.cbadge.solo{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.cnote{color:var(--muted);font-size:13px;margin:-6px 0 14px}
.agree-line{font-size:15px;color:var(--ink);margin:2px 0 14px;line-height:1.45}
.radhint{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);
  background:var(--g-bg);border:1px solid #bfe6cd;border-radius:10px;padding:9px 13px;margin:0 0 16px}
:root[data-theme="dark"] .radhint{border-color:#1f5a3a}
.consensus-row .srcrow{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
/* the headline answer */
.answer{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;background:var(--g-bg);
  border:1px solid #bfe6cd;border-left:5px solid var(--g);border-radius:12px;padding:14px 18px;margin:0 0 16px}
.answer .ans-label{font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.7px;color:var(--g)}
.answer .ans-mods{font-size:18px;font-weight:750;color:var(--ink)}
.answer.alt{background:var(--a-bg);border-color:#e8d49a;border-left-color:var(--a)}
.answer.alt .ans-label{color:var(--a)}
.answer.avoid{background:var(--r-bg);border-color:#f1c9c3;border-left-color:var(--r)}
.answer.avoid .ans-label{color:var(--r)}.answer.avoid .ans-mods{font-size:15px;font-weight:600;color:var(--muted)}
.section{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:18px 20px;margin:16px 0;box-shadow:var(--shadow)}
.section h2{font-size:14px;text-transform:uppercase;letter-spacing:.7px;color:var(--muted);margin:0 0 12px}
.rec-block{margin-bottom:12px}
.rec-block .rec-h{font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px}
.rec-block.first .rec-h{color:var(--g)} .rec-block.reasonable .rec-h{color:var(--a)}
.mod{display:block;padding:9px 12px;border-radius:9px;margin-bottom:6px;background:var(--bg);border-left:4px solid var(--line)}
.mod .mline{display:flex;align-items:center;gap:10px}
.rec-block.first .mod{border-color:var(--g)} .rec-block.reasonable .mod{border-color:var(--a)}
.avoid-list .mod{border-color:var(--r);opacity:.85}
.mod .mname{flex:1;font-weight:550}
.protocols{margin-top:7px}
.protocols summary{font-size:12px;color:var(--teal);font-weight:600}
.protocols ul{margin:6px 0 2px;padding-left:18px;color:var(--muted);font-size:12.5px;line-height:1.7}
.mod .fam{font-weight:700;font-size:10.5px;color:var(--muted);background:var(--card);border:1px solid var(--line);border-radius:5px;padding:1px 6px;margin-left:6px}
.mchips{display:flex;gap:6px;align-items:center}
.rad,.cn{font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:20px;white-space:nowrap}
.rad-none{background:var(--g-bg);color:var(--g)} .rad-low{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.rad-moderate{background:var(--a-bg);color:var(--a)} .rad-high{background:var(--r-bg);color:var(--r)}
.cn{background:var(--blue-bg);color:var(--blue);font-weight:600}
/* collapsible blocks (native details) */
details summary{cursor:pointer;list-style:none;user-select:none}
details summary::-webkit-details-marker{display:none}
details summary::before{content:"▸";display:inline-block;margin-right:8px;color:var(--teal);font-size:11px;transition:transform .15s}
details[open] summary::before{transform:rotate(90deg)}
.avoid-block{margin-bottom:0}
.avoid-block summary{color:var(--r);font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:.4px;padding:2px 0}
.avoid-block .avoid-list{margin-top:8px}
.srcwrap summary{font-size:14px;text-transform:uppercase;letter-spacing:.7px;color:var(--muted);font-weight:700;margin:0}
.srcwrap[open] summary{margin-bottom:12px}
.srcwrap summary .scount{display:inline-block;margin-left:8px;background:var(--teal-bg);color:var(--teal-d);
  font-size:11px;font-weight:800;border-radius:20px;padding:1px 8px;text-transform:none;letter-spacing:0}

.alert-box{border:1.5px solid var(--r);background:var(--r-bg);border-radius:11px;padding:13px 16px;margin:10px 0}
.alert-box .head{color:var(--r);font-weight:800;font-size:13px;text-transform:uppercase}
.alert-box .who{color:var(--muted);font-size:12.5px;margin-top:2px}.alert-box p{margin:6px 0 0}

.srcintro{margin:0 0 12px;font-size:13px}
.src{border:1px solid var(--line);border-radius:11px;padding:13px 15px;margin-bottom:10px}
.src .shead{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:5px}
.badge{font-size:11px;font-weight:800;padding:2px 8px;border-radius:20px;background:var(--teal-bg);color:var(--teal-d)}
.src .sname{font-weight:700} .src .summary{font-size:14px;color:var(--ink)}
.src .cmp{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}
.chip{font-size:12px;padding:3px 9px;border-radius:8px;background:var(--bg);border:1px solid var(--line);font-weight:600}
.chip.agrees{background:var(--g-bg);border-color:#bfe6cd} .chip.disagrees{background:var(--r-bg);border-color:#f1c9c3}
.chip.complements,.chip.different_scope{background:var(--blue-bg);border-color:#cfe0f3}
.mtype{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:1px 8px}
.prov{color:var(--muted);font-size:12px;margin-top:14px}
.about .srclist{margin:0;padding-left:18px;line-height:1.9}.about .disclaimer .section,.about .disclaimer{}
.disclaimer p{color:var(--ink)}

/* guide-specific footer row (above the uniform site footer) — centered */
.foot{max-width:1080px;margin:0 auto;padding:18px 20px 12px;color:var(--muted);font-size:12.5px;
  border-top:1px solid var(--line)}
.foot .foot-guide{display:flex;flex-direction:column;align-items:center;text-align:center;gap:5px}
.foot .foot-about a{color:var(--teal-d);text-decoration:none;padding:0 1px}
.foot .foot-about a:hover{color:var(--teal);text-decoration:none}

/* uniform Radtera site footer — centered: copyright line, then links line */
.sitefoot{background:transparent;color:var(--muted);padding:22px 20px 30px;border-top:1px solid var(--line)}
.sitefoot-in{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;align-items:center;
  text-align:center;gap:8px}
.sf-copy{font-size:12.5px;color:var(--muted)}.sf-note{opacity:.8}
.sf-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:center}
.sf-links a{color:var(--muted);font-size:13px;padding:3px 11px;text-decoration:none;border-right:1px solid var(--line)}
.sf-links a:last-child{border-right:0}
.sf-links a:hover{color:var(--teal);text-decoration:none}
@media(max-width:640px){.topbar{flex-wrap:wrap;gap:10px}.search-wrap{order:3;flex-basis:100%}.brand-text{font-size:15px}}