:root{
  --navy:#1C2B4C; --navy-2:#25365c; --gold:#C9A96A; --gold-d:#b3925222; --red:#C8102E;
  --cream:#F4EFE7; --ink:#1a2233; --grey:#5b6472; --line:#e6e0d5; --bg:#fbf9f5;
  --ok:#1f7a4d; --ok-bg:#e6f4ec; --warn:#a4670a; --warn-bg:#fcf1dd;
  --radius:14px; --shadow:0 6px 26px rgba(28,43,76,.10);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--navy)}
h1,h2,h3{color:var(--navy);letter-spacing:-.01em;margin:.2em 0}
button{font:inherit;cursor:pointer}
.hide{display:none!important}
[hidden]{display:none!important}  /* beat component display:grid/flex so hidden actually hides */

/* nav */
.nav{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:12px 26px;background:rgba(251,249,245,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:flex-end;gap:3px;text-decoration:none}
.brand-logo{height:30px;display:block}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--red);margin-bottom:5px}
.nav-links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav-links a,.pillbtn{font-size:14px;color:var(--navy);text-decoration:none;padding:7px 12px;border-radius:9px}
.nav-links a:hover{background:#fff}
.badge{font-size:12px;font-weight:600;color:var(--navy);background:var(--gold-d);
  border:1px solid var(--gold);padding:4px 10px;border-radius:999px}
.usage-mini{font-size:12.5px;color:var(--grey)}

/* buttons */
.btn{border:none;border-radius:10px;padding:11px 18px;font-weight:600;font-size:14.5px}
.btn-gold{background:linear-gradient(180deg,var(--gold),#bd9a58);color:#26200f}
.btn-gold:hover{filter:brightness(1.05)}
.btn-navy{background:var(--navy);color:#fff}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--navy)}
.btn-ghost:hover{border-color:var(--gold)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn-danger{background:#fff;border:1px solid #e3c4c9;color:var(--red)}

/* banner */
.banner{padding:9px 26px;font-size:13.5px;text-align:center;background:var(--warn-bg);color:var(--warn);
  border-bottom:1px solid #f0dcae}
.banner b{color:#7a4d06}

/* layout */
main{max-width:1120px;margin:0 auto;padding:26px 22px 60px}
.foot{max-width:1120px;margin:0 auto;padding:26px 22px 40px;color:var(--grey);font-size:12.5px;border-top:1px solid var(--line)}

/* hero (landing) */
.hero{text-align:center;padding:38px 10px 20px}
.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.05}
.hero .accent{color:var(--gold)}
.hero p.sub{font-size:18px;color:var(--grey);max-width:660px;margin:14px auto 22px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.trust{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:30px;color:var(--grey);font-size:13.5px}
.trust b{color:var(--navy)}

/* how it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.step .n{width:30px;height:30px;border-radius:8px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:10px}
.step h3{font-size:16px}
.step p{font-size:14px;color:var(--grey);margin:.3em 0 0}

/* pricing */
.section-title{text-align:center;margin:44px 0 6px}
.section-sub{text-align:center;color:var(--grey);margin:0 0 24px}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column}
.plan.feature{border:2px solid var(--gold);box-shadow:var(--shadow);position:relative}
.plan.feature::after{content:"Most popular";position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  background:var(--gold);color:#26200f;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px}
.plan h3{font-size:17px}
.plan .price{font-size:30px;font-weight:800;color:var(--navy);margin:6px 0 2px}
.plan .price span{font-size:14px;font-weight:500;color:var(--grey)}
.plan .quota{font-size:14px;color:var(--navy);font-weight:600;margin:6px 0}
.plan ul{list-style:none;padding:0;margin:10px 0 16px;font-size:13.5px;color:var(--grey)}
.plan ul li{padding:4px 0 4px 20px;position:relative}
.plan ul li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.plan .blurb{font-size:13px;color:var(--grey);min-height:34px}
.plan .btn{margin-top:auto}
.plan.current{outline:2px solid var(--navy);outline-offset:2px}
.plan .cur-tag{font-size:12px;color:var(--ok);font-weight:700;margin-top:8px;text-align:center}

/* app dashboard */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:22px}
.tab{padding:10px 16px;border:none;background:none;font-weight:600;color:var(--grey);border-bottom:2px solid transparent}
.tab.active{color:var(--navy);border-bottom-color:var(--gold)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h2{font-size:18px;margin-top:0}
label.fld{display:block;font-size:13px;font-weight:600;color:var(--navy);margin:14px 0 6px}
textarea,input[type=text],input[type=email],input[type=password],select{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:96px;resize:vertical}
textarea:focus,input:focus,select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-d)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:8px}
.chip{font-size:12.5px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--navy);cursor:pointer}
.chip .x{margin-left:6px;color:var(--grey)}
.pill{font-size:12px;padding:3px 9px;border-radius:999px;font-weight:600}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.warn{background:var(--warn-bg);color:var(--warn)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg button{border:none;background:#fff;padding:8px 13px;font-size:13px;color:var(--grey)}
.seg button.on{background:var(--navy);color:#fff}
.muted{color:var(--grey);font-size:13px}
.costline{font-size:13.5px;color:var(--navy);margin-top:12px}
.costline b{color:var(--navy)}

/* result */
.result img{width:100%;border-radius:10px;border:1px solid var(--line);cursor:zoom-in}
.dlrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.dlrow a{text-decoration:none}
.verify-box{margin-top:12px;font-size:13px}

/* library */
.libgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.libcard{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.libcard img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#eee;cursor:zoom-in}
.libcard .body{padding:12px}
.libcard .t{font-size:13.5px;font-weight:600;color:var(--navy);line-height:1.3;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:36px}
.libcard .meta{font-size:11.5px;color:var(--grey);margin-top:6px}
.empty{text-align:center;color:var(--grey);padding:50px 10px}

/* usage bar */
.ubar{height:9px;background:var(--line);border-radius:999px;overflow:hidden;margin:8px 0}
.ubar > i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),#bd9a58)}

/* modal */
.modal-wrap{position:fixed;inset:0;background:rgba(20,28,46,.5);display:grid;place-items:center;z-index:60;padding:16px}
.modal{background:#fff;border-radius:16px;max-width:430px;width:100%;padding:26px;position:relative;box-shadow:var(--shadow)}
.modal-x{position:absolute;top:12px;right:14px;border:none;background:none;font-size:24px;color:var(--grey)}
.modal h2{margin-top:0}
.modal .switch{font-size:13.5px;color:var(--grey);margin-top:14px;text-align:center}
.modal .err{background:#fdecef;color:var(--red);font-size:13px;padding:9px 12px;border-radius:9px;margin:10px 0}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(10,14,24,.9);display:grid;place-items:center;z-index:80;padding:20px}
.lightbox img{max-width:96vw;max-height:92vh;border-radius:8px}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;
  padding:11px 18px;border-radius:10px;font-size:14px;z-index:90;box-shadow:var(--shadow)}

@media(max-width:860px){
  .grid2{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
}
@media(max-width:520px){ .plans{grid-template-columns:1fr} }

/* ---------------- Oncology Pathway Atlas ---------------- */
.atlas{display:grid;grid-template-columns:248px minmax(300px,1fr) minmax(330px,1.1fr);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;min-height:600px}
.onc-side{border-right:1px solid var(--line);background:#fbf9f5;max-height:76vh;overflow-y:auto;padding:12px 10px}
.onc-grp-title{font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:#8a7a52;margin:12px 6px 5px}
.onc-cat{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;
  cursor:pointer;font-size:13px;color:var(--navy);line-height:1.25}
.onc-cat:hover{background:#fff}
.onc-cat.active{background:var(--navy);color:#fff}
.onc-cat .n{font-size:11px;background:var(--gold-d);border:1px solid var(--gold);color:var(--navy);border-radius:999px;padding:1px 7px}
.onc-cat.active .n{background:#ffffff22;border-color:#ffffff44;color:#fff}
.onc-list{max-height:76vh;overflow-y:auto;padding:14px;border-right:1px solid var(--line);background:var(--bg)}
.onc-list h3{font-size:15px;margin:2px 0 4px}
.onc-list .hint{font-size:12.5px;color:var(--grey);margin-bottom:12px}
.pcard{border:1px solid var(--line);border-radius:10px;padding:12px 13px;margin-bottom:10px;cursor:pointer;background:#fff;position:relative}
.pcard:hover{border-color:var(--gold)}
.pcard.sel{border-color:var(--navy);box-shadow:0 0 0 2px var(--gold-d)}
.pcard .drug{font-weight:700;color:var(--navy);font-size:14px;padding-right:26px}
.pcard .ct{font-size:11.5px;color:var(--grey);margin-top:2px}
.pcard .mech{font-size:12px;color:var(--ink);margin-top:6px;line-height:1.4}
.pcard .cite{font-size:11px;color:var(--navy);margin-top:6px}
.pcard .cite a{color:#1155cc}
.pcard .badges{margin-top:7px;display:flex;gap:5px;flex-wrap:wrap}
.pbadge{font-size:10px;padding:2px 7px;border-radius:999px;background:var(--gold-d);border:1px solid var(--gold);color:var(--navy);font-weight:600}
.pbadge.pat{background:#eaf0fb;border-color:#c9d8f2;color:var(--navy)}
.pcard .bk{position:absolute;top:10px;right:10px;width:20px;height:20px;cursor:pointer}
.onc-view{padding:16px;max-height:76vh;overflow-y:auto}
.onc-view .imgwrap{border:1px solid var(--line);border-radius:10px;background:#faf9f5;min-height:220px;display:grid;place-items:center;overflow:hidden}
.onc-view .imgwrap{background:#faf9f5}
.onc-view img.fig{width:100%;border-radius:10px;cursor:zoom-in}
.onc-view .placeholder{color:var(--grey);text-align:center;font-size:13px;padding:40px 16px}
.ctrl-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:12px 0}
.bookletbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:14px}
.bookletbar .cnt{font-size:13.5px;color:var(--navy)}
.bookletbar .cnt b{font-size:17px}
@media(max-width:1000px){ .atlas{grid-template-columns:1fr} .onc-side,.onc-list,.onc-view{max-height:none;border-right:none;border-bottom:1px solid var(--line)} }