/* ═══════════════════════════════════════════════════════
   HUMAN DISEASE ATLAS — Responsive CSS
   Mobile-first: base → 600px tablet → 960px desktop
═══════════════════════════════════════════════════════ */
:root {
  --navy:#060d1f; --navy-mid:#0d1b35; --navy-light:#152341;
  --teal:#00b3a6; --teal-dim:#00a89c; --teal-glow:rgba(0,179,166,.15);
  --cyan:#38e4ff; --white:#f0f4ff; --white-dim:rgba(240,244,255,.7);
  --white-faint:rgba(240,244,255,.08); --red:#ff4d6d; --gold:#f5c842;
  --violet:#8b5cf6; --violet-glow:rgba(139,92,246,.15);
  --card-bg:rgba(21,35,65,.9); --border:rgba(0,198,184,.2);
  --ff-display:'Instrument Serif',Georgia,serif;
  --ff-body:'DM Sans',sans-serif; --ff-mono:'JetBrains Mono',monospace;
  --ease:cubic-bezier(.4,0,.2,1); --hdr:56px;
}
@media(min-width:600px){:root{--hdr:64px;}}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--navy);color:var(--white);font-family:var(--ff-body);
  min-height:100vh;overflow-x:hidden;-webkit-text-size-adjust:100%;}
img,svg{display:block;max-width:100%;}
button{font-family:inherit;cursor:pointer;}
a{text-decoration:none;cursor:pointer;}

body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.3;
  background-image:linear-gradient(rgba(0,198,184,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,198,184,.03) 1px,transparent 1px);
  background-size:60px 60px;}

::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--navy)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--teal-dim)}

/* ── HEADER ── */
header{position:fixed;top:0;left:0;right:0;z-index:200;height:var(--hdr);
  display:flex;align-items:center;justify-content:space-between;padding:0 1rem;
  background:rgba(6,13,31,.95);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);gap:.75rem;}
@media(min-width:600px){header{padding:0 2rem;}}

.logo{display:flex;align-items:center;gap:.6rem;cursor:pointer;flex-shrink:0;}
.logo-icon{width:32px;height:32px;border-radius:8px;font-size:16px;
  background:linear-gradient(135deg,var(--teal),var(--cyan));
  display:flex;align-items:center;justify-content:center;}
.logo-text{font-family:var(--ff-display);font-size:1rem;color:var(--white);white-space:nowrap;}
.logo-text span{color:var(--teal);}
@media(min-width:600px){.logo-text{font-size:1.15rem;}}

nav{display:none;align-items:center;gap:1.5rem;}
@media(min-width:960px){nav{display:flex;}}
nav a{font-size:.8rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase;
  color:var(--white-dim);transition:color .3s;}
nav a:hover{color:var(--teal);}

.header-search{display:none;align-items:center;gap:.5rem;
  background:var(--white-faint);border:1px solid var(--border);
  border-radius:50px;padding:.35rem .9rem;}
@media(min-width:600px){.header-search{display:flex;}}
.header-search input{background:none;border:none;outline:none;
  font-family:var(--ff-body);font-size:.8rem;color:var(--white);width:150px;}
.header-search input::placeholder{color:var(--white-dim);}

.mobile-search-btn{background:none;border:none;color:var(--teal);
  font-size:1.3rem;padding:.3rem;line-height:1;flex-shrink:0;}
@media(min-width:600px){.mobile-search-btn{display:none;}}

.hamburger-btn{background:none;border:1px solid var(--border);border-radius:8px;
  color:var(--white-dim);font-size:1.1rem;padding:.3rem .55rem;line-height:1;
  flex-shrink:0;transition:all .25s;}
.hamburger-btn:hover{border-color:var(--teal);color:var(--teal);}
@media(min-width:960px){.hamburger-btn{display:none;}}

/* Mobile Nav Drawer */
.mobile-nav-drawer{display:none;position:fixed;top:var(--hdr);left:0;right:0;z-index:198;
  background:var(--navy-mid);border-bottom:1px solid var(--border);
  flex-direction:column;padding:.5rem 0;}
.mobile-nav-drawer.open{display:flex;}
.mobile-nav-drawer a{padding:.85rem 1.5rem;font-size:.9rem;font-weight:600;
  color:var(--white-dim);border-bottom:1px solid var(--border);
  transition:all .2s;cursor:pointer;}
.mobile-nav-drawer a:last-child{border-bottom:none;}
.mobile-nav-drawer a:hover,.mobile-nav-drawer a:active{color:var(--teal);background:var(--teal-glow);}
@media(min-width:960px){.mobile-nav-drawer{display:none!important;}}

.mobile-search-bar{display:none;position:fixed;top:var(--hdr);left:0;right:0;z-index:199;
  background:var(--navy-mid);border-bottom:1px solid var(--border);
  padding:.7rem 1rem;gap:.6rem;align-items:center;}
.mobile-search-bar.open{display:flex;}
.mobile-search-bar input{flex:1;background:var(--white-faint);border:1px solid var(--border);
  border-radius:8px;padding:.5rem .9rem;font-family:var(--ff-body);
  font-size:.9rem;color:var(--white);outline:none;}
.mobile-search-bar input:focus{border-color:var(--teal);}
.mobile-search-bar button{background:none;border:none;color:var(--white-dim);font-size:1.1rem;}
@media(min-width:600px){.mobile-search-bar{display:none!important;}}

/* ── PAGES ── */
.page{display:none;animation:fadeUp .3s ease both;}
.page.active{display:block;}

/* ── HOME ── */
#page-home{padding-top:var(--hdr);}

/* HERO — mobile: single column stack */
.hero{
  display:flex;flex-direction:column;
  min-height:calc(100vh - var(--hdr));
}
/* tablet 600px+: side by side — text | model */
@media(min-width:600px){
  .hero{flex-direction:row;align-items:stretch;}
  .hero-left{flex:1;min-width:0;}
  .body-center{flex:0 0 260px;min-width:0;}
  .hero-right{display:none;}
}
/* desktop 960px+: 3 columns — text | model | nav */
@media(min-width:960px){
  .hero-left{flex:1;}
  .body-center{flex:0 0 340px;}
  .hero-right{display:flex;flex:1;}
}

/* ── HERO LEFT ── */
.hero-left{padding:2rem 1.25rem;display:flex;flex-direction:column;
  justify-content:center;gap:1.2rem;position:relative;z-index:10;overflow:visible;}
@media(min-width:600px){.hero-left{padding:3rem 2rem;}}
@media(min-width:960px){.hero-left{padding:4rem 2rem 4rem 4rem;}}

.hero-badge{display:inline-flex;align-items:center;gap:.5rem;
  font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--teal);background:var(--teal-glow);
  border:1px solid rgba(0,198,184,.3);padding:.3rem .85rem;border-radius:50px;
  width:fit-content;}
.badge-dot{width:6px;height:6px;background:var(--teal);border-radius:50%;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}

.hero-title{font-family:var(--ff-display);font-size:clamp(1.9rem,6vw,3.6rem);
  line-height:1.1;letter-spacing:-.02em;}
.hero-title em{font-style:italic;color:var(--teal);}

.hero-subtitle{font-size:clamp(.85rem,2vw,.93rem);line-height:1.7;color:var(--white-dim);}

.search-bar{display:flex;align-items:center;gap:.7rem;background:var(--card-bg);
  border:1px solid var(--border);border-radius:14px;padding:.75rem 1rem;
  transition:border-color .3s,box-shadow .3s;position:relative;z-index:10;}
.search-bar:focus-within{border-color:var(--teal);
  box-shadow:0 0 0 3px var(--teal-glow),0 8px 32px rgba(0,0,0,.3);}
.search-bar input{flex:1;background:none;border:none;outline:none;
  font-family:var(--ff-body);font-size:.93rem;color:var(--white);min-width:0;}
.search-bar input::placeholder{color:var(--white-dim);}
.search-icon{color:var(--teal);font-size:1.1rem;flex-shrink:0;}
.search-btn{background:linear-gradient(135deg,var(--teal),var(--cyan));
  color:var(--navy);border:none;border-radius:8px;padding:.45rem .9rem;
  font-size:.8rem;font-weight:600;transition:transform .2s,box-shadow .2s;flex-shrink:0;}
.search-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,198,184,.4);}

.search-results-dropdown{position:absolute;top:calc(100% + 8px);left:0;right:0;
  background:var(--navy-mid);border:1px solid var(--border);border-radius:12px;
  overflow:hidden;z-index:500;box-shadow:0 16px 48px rgba(0,0,0,.5);display:none;}
.search-results-dropdown.open{display:block;}
.search-result-item{padding:.7rem 1rem;cursor:pointer;display:flex;
  align-items:center;gap:.8rem;transition:background .2s;position:relative;z-index:500;}
.search-result-item:hover{background:var(--white-faint);}
.sri-icon{font-size:1.2rem;}
.sri-info{flex:1;min-width:0;}
.sri-name{font-weight:600;font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sri-organ{font-size:.7rem;color:var(--teal);}
.sri-tag{font-size:.62rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  background:var(--teal-glow);color:var(--teal);border-radius:4px;padding:2px 6px;flex-shrink:0;}

.hero-stats{display:flex;gap:1.2rem;flex-wrap:wrap;}
.stat{display:flex;flex-direction:column;gap:.1rem;}
.stat-num{font-family:var(--ff-mono);font-size:clamp(1.1rem,3vw,1.5rem);
  font-weight:500;color:var(--teal);line-height:1;}
.stat-label{font-size:.68rem;color:var(--white-dim);letter-spacing:.04em;}

/* ── BODY CENTER (SVG human model) ── */
.body-center{display:flex;flex-direction:column;align-items:center;
  justify-content:center;position:relative;padding:1.5rem .5rem;
  background:linear-gradient(180deg,rgba(0,198,184,.03),transparent);}
@media(min-width:600px){.body-center{padding:2rem 1rem;border-left:1px solid var(--border);}}
@media(min-width:960px){.body-center{border-right:1px solid var(--border);}}

.body-center-label{font-size:.65rem;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--teal);opacity:.8;margin-bottom:.6rem;}

.body-glow{position:absolute;width:280px;height:560px;pointer-events:none;
  background:radial-gradient(ellipse,rgba(0,198,184,.07) 0%,transparent 70%);}

.body-svg-wrap{position:relative;z-index:1;
  filter:drop-shadow(0 16px 48px rgba(0,198,184,.12));}
.body-svg-wrap svg{width:100%;height:auto;overflow:visible;}

/* SVG sizing per breakpoint */
.body-svg-wrap{width:180px;}
@media(min-width:480px){.body-svg-wrap{width:200px;}}
@media(min-width:600px){.body-svg-wrap{width:220px;}}
@media(min-width:960px){.body-svg-wrap{width:260px;}}

.body-tooltip{position:absolute;background:var(--navy-mid);border:1px solid var(--border);
  border-radius:10px;padding:.45rem .85rem;font-size:.75rem;font-weight:600;
  color:var(--teal);pointer-events:none;white-space:nowrap;
  box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:50;display:none;transform:translateX(-50%);}

.region-zone{fill:rgba(0,198,184,.04);stroke:rgba(0,198,184,.2);stroke-width:1.5;
  cursor:pointer;transition:fill .25s,stroke .25s;outline:none;}
.region-zone:hover{fill:rgba(0,198,184,.22);stroke:rgba(0,198,184,.8);
  filter:drop-shadow(0 0 10px rgba(0,198,184,.5));}
.region-zone:focus{fill:rgba(0,198,184,.25);stroke:rgba(0,198,184,.95);stroke-width:2.5;
  filter:drop-shadow(0 0 14px rgba(0,198,184,.7));}
.region-label{fill:var(--teal);font-family:var(--ff-body);font-size:8px;
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;pointer-events:none;opacity:.85;}
.figure-fill{fill:rgba(6,13,31,.6);stroke:rgba(0,198,184,.4);stroke-width:1.2;}
.organ-dot{fill:var(--teal);opacity:.7;animation:organ-pulse 2.5s ease infinite;}
@keyframes organ-pulse{0%,100%{opacity:.35}50%{opacity:.9}}
.organ-dot-ring{fill:none;stroke:var(--teal);stroke-width:1.2;opacity:.4;
  animation:ring-expand 2.5s ease infinite;}
@keyframes ring-expand{0%{r:6;opacity:.5}100%{r:12;opacity:0}}

/* Mobile region tap buttons */
.mobile-region-btns{display:flex;flex-wrap:wrap;gap:.4rem;
  justify-content:center;margin-top:1rem;padding:0 .5rem;}
.mobile-region-btns button{background:var(--card-bg);border:1px solid var(--border);
  border-radius:50px;padding:.35rem .8rem;font-size:.72rem;font-weight:600;
  color:var(--white-dim);transition:all .25s;}
.mobile-region-btns button:hover,.mobile-region-btns button:active{
  border-color:var(--teal);color:var(--teal);}
@media(min-width:960px){.mobile-region-btns{display:none;}}

/* ── MODE TOGGLE ── */
.mode-toggle-wrap{display:flex;align-items:center;gap:.85rem;flex-wrap:wrap;}
.mode-toggle-label{font-size:.72rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:var(--white-dim);flex-shrink:0;}
.mode-toggle-track{position:relative;display:flex;align-items:center;
  background:rgba(13,27,53,.85);border:1px solid var(--border);
  border-radius:50px;padding:4px;gap:0;}
.mode-toggle-slider{position:absolute;top:4px;left:4px;
  height:calc(100% - 8px);border-radius:50px;
  background:linear-gradient(135deg,var(--violet),#6366f1);
  box-shadow:0 0 16px rgba(139,92,246,.45);
  transition:transform .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1);
  pointer-events:none;z-index:0;}
.mode-toggle-btn{position:relative;z-index:1;background:none;border:none;
  border-radius:50px;padding:.45rem 1.1rem;font-size:.78rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;color:var(--white-dim);
  cursor:pointer;transition:color .3s;white-space:nowrap;}
.mode-toggle-btn.active{color:#fff;}
@media(min-width:600px){.mode-toggle-btn{padding:.5rem 1.3rem;font-size:.8rem;}}

/* ── SYMPTOM AUTOCOMPLETE SUGGESTIONS ── */
.symptom-suggestions{
  display:none;position:absolute;top:calc(100% + 6px);left:0;right:0;
  background:var(--navy-mid);border:1px solid var(--teal);border-radius:12px;
  overflow:hidden;z-index:600;box-shadow:0 16px 48px rgba(0,0,0,.55);
  max-height:280px;overflow-y:auto;}
.sug-item{display:flex;align-items:center;gap:.6rem;padding:.65rem 1rem;
  cursor:pointer;transition:background .15s;border-bottom:1px solid var(--border);}
.sug-item:last-child{border-bottom:none;}
.sug-item:hover,.sug-item:focus{background:var(--teal-glow);}
.sug-item.sug-added{opacity:.6;}
.sug-icon{font-size:1.1rem;flex-shrink:0;}
.sug-label{flex:1;font-size:.82rem;font-weight:500;color:var(--white);}
.sug-label mark{background:none;color:var(--teal);font-weight:700;}
.sug-system{font-size:.62rem;color:var(--white-dim);text-transform:uppercase;
  letter-spacing:.05em;flex-shrink:0;}
.sug-plus{font-size:.9rem;color:var(--teal);font-weight:700;flex-shrink:0;}
.sug-check{font-size:.85rem;color:var(--teal);flex-shrink:0;}

/* ── SCREENING PANEL ── */
.screening-panel{
  display:none;opacity:0;transform:translateY(-8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
  background:var(--card-bg);border:1px solid var(--border);
  border-radius:16px;padding:1.1rem 1.1rem .9rem;
  margin-top:.75rem;overflow:hidden;}
.screening-panel.sp-visible{opacity:1;transform:translateY(0);}

.sp-header{display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:.4rem;margin-bottom:.65rem;}
.sp-title{font-size:.8rem;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--teal);}
.sp-clear-all{background:none;border:1px solid var(--border);border-radius:6px;
  padding:.2rem .55rem;font-size:.68rem;color:var(--white-dim);cursor:pointer;
  transition:all .2s;}
.sp-clear-all:hover{border-color:var(--red);color:var(--red);}

.sp-hint-text{font-size:.75rem;color:var(--white-dim);padding:.3rem 0;}
.sp-selected-wrap{margin-bottom:.65rem;min-height:1.5rem;}
.sp-selected-label{font-size:.65rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--white-dim);margin-bottom:.4rem;}
.sp-chips-row{display:flex;flex-wrap:wrap;gap:.35rem;}
.sp-chip-selected{display:inline-flex;align-items:center;gap:.3rem;
  font-size:.72rem;font-weight:600;background:var(--teal-glow);
  color:var(--teal);border:1px solid rgba(0,198,184,.4);
  border-radius:50px;padding:.22rem .5rem .22rem .7rem;}
.sp-chip-remove{background:none;border:none;color:var(--teal);
  font-size:.85rem;cursor:pointer;padding:0;line-height:1;
  opacity:.7;transition:opacity .2s;}
.sp-chip-remove:hover{opacity:1;}

.sp-count{font-size:.72rem;color:var(--white-dim);margin-bottom:.6rem;
  padding-bottom:.5rem;border-bottom:1px solid var(--border);}

.sp-empty{display:flex;flex-direction:column;align-items:center;
  padding:1.5rem 1rem;gap:.5rem;text-align:center;}
.sp-empty-icon{font-size:2rem;}
.sp-empty-text{font-size:.82rem;color:var(--white-dim);line-height:1.5;}

/* Result cards */
.sp-card{background:var(--navy-light);border:1px solid var(--border);
  border-radius:12px;padding:.9rem 1rem;margin-bottom:.6rem;
  transition:border-color .25s,transform .25s;}
.sp-card:hover{border-color:var(--teal);transform:translateY(-1px);}
.sp-card:last-child{margin-bottom:0;}

.sp-card-top{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:.55rem;}
.sp-card-icon{font-size:1.5rem;flex-shrink:0;line-height:1;margin-top:.1rem;}
.sp-card-main{flex:1;min-width:0;}
.sp-card-name{font-weight:700;font-size:.9rem;line-height:1.3;margin-bottom:.1rem;}
.sp-card-system{font-size:.65rem;color:var(--teal);letter-spacing:.04em;text-transform:uppercase;}
.sp-card-right{display:flex;flex-direction:column;align-items:flex-end;gap:.3rem;flex-shrink:0;}

.sp-severity-badge{font-size:.62rem;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;border:1px solid;border-radius:50px;
  padding:.18rem .6rem;white-space:nowrap;}
.sp-prob{font-family:var(--ff-mono);font-size:.95rem;font-weight:700;
  color:var(--white);text-align:right;line-height:1;}
.sp-prob span{font-size:.62rem;color:var(--white-dim);font-weight:400;display:block;}

.sp-prob-bar-track{height:3px;background:var(--white-faint);
  border-radius:2px;margin-bottom:.6rem;overflow:hidden;}
.sp-prob-bar{height:100%;border-radius:2px;
  transition:width .6s cubic-bezier(.4,0,.2,1);}

.sp-card-desc{font-size:.78rem;color:var(--white-dim);line-height:1.6;
  margin-bottom:.55rem;}

.sp-severity-note{font-size:.72rem;color:#f5c842;background:rgba(245,200,66,.08);
  border:1px solid rgba(245,200,66,.2);border-radius:8px;
  padding:.35rem .65rem;margin-bottom:.55rem;line-height:1.5;}

.sp-matched-row{display:flex;flex-wrap:wrap;align-items:center;
  gap:.3rem;margin-bottom:.55rem;}
.sp-matched-lbl{font-size:.65rem;font-weight:600;letter-spacing:.05em;
  text-transform:uppercase;color:var(--white-dim);}
.sp-matched-tag{font-size:.68rem;background:rgba(56,228,255,.08);
  color:var(--cyan);border:1px solid rgba(56,228,255,.2);
  border-radius:4px;padding:.15rem .45rem;}

.sp-card-footer{display:flex;align-items:center;flex-wrap:wrap;
  gap:.5rem;padding-top:.55rem;border-top:1px solid var(--border);}
.sp-urgency{font-size:.7rem;font-weight:700;letter-spacing:.04em;}
.sp-specialist{font-size:.7rem;color:var(--white-dim);flex:1;}
.sp-view-btn{background:none;border:1px solid var(--border);border-radius:8px;
  padding:.35rem .75rem;font-size:.72rem;font-weight:600;color:var(--white-dim);
  cursor:pointer;transition:all .25s;white-space:nowrap;margin-left:auto;}
.sp-view-btn:hover{background:var(--teal-glow);border-color:var(--teal);color:var(--teal);}

.sp-results{max-height:520px;overflow-y:auto;
  scrollbar-width:thin;scrollbar-color:var(--border) transparent;}
.sp-results::-webkit-scrollbar{width:4px;}
.sp-results::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px;}

/* ── HERO RIGHT (region nav) ── */
.hero-right{display:none;flex-direction:column;gap:.8rem;
  padding:2rem 1.5rem;min-width:0;overflow-y:auto;}
@media(min-width:960px){.hero-right{display:flex;padding:3rem 3rem 3rem 2rem;}}

.region-nav-title{font-size:.68rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--white-dim);margin-bottom:.2rem;}
.region-pill{display:flex;align-items:center;gap:.75rem;background:var(--card-bg);
  border:1px solid var(--border);border-radius:12px;padding:.75rem 1rem;cursor:pointer;
  transition:all .3s var(--ease);position:relative;overflow:hidden;}
.region-pill::before{content:'';position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--teal);opacity:0;transition:opacity .3s;}
.region-pill:hover{border-color:var(--teal);transform:translateX(4px);background:var(--white-faint);}
.region-pill:hover::before{opacity:1;}
.rp-icon{font-size:1.25rem;flex-shrink:0;}
.rp-info{flex:1;min-width:0;}
.rp-name{font-weight:600;font-size:.85rem;}
.rp-count{font-size:.68rem;color:var(--teal);margin-top:.1rem;}
.rp-arrow{color:var(--white-dim);font-size:.9rem;transition:transform .3s,color .3s;flex-shrink:0;}
.region-pill:hover .rp-arrow{color:var(--teal);transform:translateX(3px);}

/* ── SECTION HEADER ── */
#page-region, #page-organ { padding-top: var(--hdr); }
.section-header{padding:1.5rem 1.25rem 1.25rem;
  border-bottom:1px solid var(--border);
  display:flex;align-items:flex-start;justify-content:space-between;
  flex-wrap:wrap;gap:.75rem;}
@media(min-width:600px){.section-header{padding:1.75rem 2rem 1.5rem;}}
@media(min-width:960px){.section-header{padding:2rem 4rem 2rem;}}

.breadcrumb{font-size:.7rem;color:var(--white-dim);margin-bottom:.4rem;
  display:flex;align-items:center;gap:.35rem;flex-wrap:wrap;}
.breadcrumb span{cursor:pointer;transition:color .2s;}
.breadcrumb span:hover{color:var(--teal);}
.breadcrumb .sep{color:var(--border);pointer-events:none;}

.section-title{font-family:var(--ff-display);
  font-size:clamp(1.5rem,5vw,2.6rem);line-height:1.05;letter-spacing:-.02em;}
.section-title span{color:var(--teal);}
.section-subtitle{font-size:.85rem;color:var(--white-dim);margin-top:.35rem;}

.back-btn{display:inline-flex;align-items:center;gap:.4rem;flex-shrink:0;
  background:var(--card-bg);border:1px solid var(--border);border-radius:10px;
  padding:.55rem .9rem;font-size:.78rem;font-weight:600;color:var(--white-dim);
  transition:all .3s;white-space:nowrap;}
.back-btn:hover{border-color:var(--teal);color:var(--teal);}

/* ── ORGAN GRID ── */
.organs-grid{display:grid;grid-template-columns:repeat(2,1fr);
  gap:.75rem;padding:1.25rem;}
@media(min-width:480px){.organs-grid{grid-template-columns:repeat(3,1fr);}}
@media(min-width:600px){.organs-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));padding:1.75rem 2rem;}}
@media(min-width:960px){.organs-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));padding:2rem 4rem;}}

.organ-card{background:var(--card-bg);border:1px solid var(--border);
  border-radius:14px;padding:1.25rem .9rem;cursor:pointer;
  transition:all .3s var(--ease);display:flex;flex-direction:column;
  align-items:center;gap:.7rem;text-align:center;position:relative;overflow:hidden;}
.organ-card::before{content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 50% -20%,var(--teal-glow),transparent 70%);
  opacity:0;transition:opacity .4s;}
.organ-card:hover{border-color:var(--teal);transform:translateY(-3px);}
.organ-card:hover::before{opacity:1;}
.organ-card:hover .organ-emoji{transform:scale(1.15) rotate(-5deg);}
.organ-emoji{font-size:2.2rem;transition:transform .4s cubic-bezier(.34,1.56,.64,1);line-height:1;}
@media(min-width:600px){.organ-emoji{font-size:2.5rem;}}
.organ-name{font-weight:600;font-size:.85rem;line-height:1.3;}
.organ-disease-count{font-size:.65rem;color:var(--teal);
  background:var(--teal-glow);border-radius:50px;padding:.18rem .6rem;}

/* ── DISEASE GRID ── */
.diseases-grid{display:grid;grid-template-columns:1fr;
  gap:.75rem;padding:1.25rem;}
@media(min-width:600px){.diseases-grid{grid-template-columns:repeat(auto-fill,minmax(270px,1fr));padding:1.75rem 2rem;}}
@media(min-width:960px){.diseases-grid{padding:2rem 4rem;}}

.disease-card{background:var(--card-bg);border:1px solid var(--border);
  border-radius:14px;padding:1.25rem;cursor:pointer;
  transition:all .3s var(--ease);display:flex;flex-direction:column;
  gap:.8rem;position:relative;overflow:hidden;}
.disease-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--teal),var(--cyan));opacity:0;transition:opacity .3s;}
.disease-card:hover{border-color:var(--teal);transform:translateY(-2px);}
.disease-card:hover::after{opacity:1;}
.dc-top{display:flex;align-items:flex-start;gap:.8rem;}
.dc-icon{width:42px;height:42px;flex-shrink:0;background:var(--teal-glow);
  border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;}
.dc-info{flex:1;min-width:0;}
.dc-name{font-weight:700;font-size:.95rem;margin-bottom:.15rem;}
.dc-organ{font-size:.68rem;color:var(--teal);letter-spacing:.04em;}
.dc-desc{font-size:.8rem;color:var(--white-dim);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.dc-tags{display:flex;gap:.35rem;flex-wrap:wrap;}
.dc-tag{font-size:.62rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(56,228,255,.08);color:var(--cyan);
  border:1px solid rgba(56,228,255,.2);border-radius:4px;padding:2px 5px;}
.dc-btn{background:none;border:1px solid var(--border);border-radius:8px;
  padding:.45rem .85rem;font-size:.76rem;font-weight:600;color:var(--white-dim);
  transition:all .3s;width:fit-content;align-self:flex-start;}
.dc-btn:hover{background:var(--teal-glow);border-color:var(--teal);color:var(--teal);}

/* ── DISEASE DETAIL PAGE ── */
#page-disease{padding-top:var(--hdr);}

.disease-hero{padding:1.75rem 1.25rem;
  background:linear-gradient(180deg,var(--navy-light) 0%,transparent 100%);
  border-bottom:1px solid var(--border);position:relative;overflow:hidden;}
@media(min-width:600px){.disease-hero{padding:2.25rem 2rem;}}
@media(min-width:960px){.disease-hero{padding:2.75rem 4rem;}}
.disease-hero::before{content:'';position:absolute;top:-80px;right:0;
  width:360px;height:360px;
  background:radial-gradient(circle,rgba(0,198,184,.06),transparent 70%);pointer-events:none;}

.disease-hero-grid{display:grid;grid-template-columns:1fr;gap:1.25rem;}
@media(min-width:768px){.disease-hero-grid{grid-template-columns:1fr auto;align-items:flex-start;}}

.disease-main-icon{font-size:clamp(2.2rem,5vw,3.5rem);line-height:1;margin-bottom:.7rem;}
.disease-name-main{font-family:var(--ff-display);
  font-size:clamp(1.5rem,5vw,2.8rem);letter-spacing:-.02em;line-height:1.05;margin-bottom:.4rem;}
.disease-name-main span{color:var(--teal);font-style:italic;}
.disease-meta{display:flex;gap:.7rem;flex-wrap:wrap;margin-bottom:.9rem;}
.d-meta-tag{display:flex;align-items:center;gap:.35rem;font-size:.74rem;color:var(--white-dim);}
.d-meta-tag strong{color:var(--white);}
.disease-overview-snippet{font-size:clamp(.83rem,2vw,.95rem);line-height:1.7;color:var(--white-dim);}

.quick-facts{background:var(--card-bg);border:1px solid var(--border);
  border-radius:14px;padding:1.2rem;min-width:200px;}
.qf-title{font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--teal);margin-bottom:.8rem;}
.qf-item{padding:.5rem 0;border-bottom:1px solid var(--border);}
.qf-item:last-child{border-bottom:none;}
.qf-label{font-size:.68rem;color:var(--white-dim);letter-spacing:.04em;}
.qf-value{font-size:.84rem;font-weight:600;margin-top:.1rem;}

.disease-body{display:grid;grid-template-columns:1fr;
  padding:1.25rem 1.25rem 3rem;gap:1.75rem;}
@media(min-width:600px){.disease-body{padding:1.75rem 2rem 3rem;}}
@media(min-width:960px){.disease-body{grid-template-columns:190px 1fr;padding:2rem 4rem 4rem;gap:2.5rem;}}

.toc{background:var(--card-bg);border:1px solid var(--border);
  border-radius:12px;padding:.9rem;display:none;}
@media(min-width:960px){.toc{display:block;position:sticky;top:calc(var(--hdr) + 1rem);}}
.toc-title{font-size:.64rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--white-dim);margin-bottom:.6rem;}
.toc-link{display:block;font-size:.76rem;color:var(--white-dim);padding:.38rem .6rem;
  border-radius:7px;cursor:pointer;transition:all .2s;border-left:2px solid transparent;}
.toc-link:hover,.toc-link.active{background:var(--teal-glow);color:var(--teal);border-left-color:var(--teal);}

.disease-sections{display:flex;flex-direction:column;gap:1.75rem;min-width:0;}
.d-section{scroll-margin-top:calc(var(--hdr) + 1rem);}
.d-section-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.8rem;}
.d-section-icon{width:32px;height:32px;background:var(--teal-glow);border-radius:8px;
  display:flex;align-items:center;justify-content:center;font-size:.9rem;flex-shrink:0;}
.d-section-title{font-family:var(--ff-display);font-size:clamp(1.1rem,3vw,1.4rem);letter-spacing:-.01em;}
.d-section-content{font-size:clamp(.8rem,2vw,.88rem);line-height:1.85;color:var(--white-dim);}
.d-section-content p{margin-bottom:.7rem;}
.d-section-content ul{padding-left:1.1rem;}
.d-section-content li{margin-bottom:.35rem;}
.d-section-content strong{color:var(--white);}

.info-cards{display:grid;grid-template-columns:1fr;gap:.65rem;margin-top:.9rem;}
@media(min-width:480px){.info-cards{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));}}
.info-card{background:var(--navy-light);border:1px solid var(--border);border-radius:10px;padding:.85rem;}
.ic-icon{font-size:1.2rem;margin-bottom:.3rem;}
.ic-title{font-size:.72rem;font-weight:600;color:var(--teal);margin-bottom:.18rem;}
.ic-text{font-size:.74rem;color:var(--white-dim);line-height:1.55;}

.severity-bar{display:flex;align-items:center;gap:.6rem;margin-top:.7rem;}
.sev-label{font-size:.72rem;color:var(--white-dim);}
.sev-dots{display:flex;gap:4px;}
.sev-dot{width:10px;height:10px;border-radius:50%;background:var(--border);}
.sev-dot.filled{background:var(--red);}

/* ── LIBRARY PAGE ── */
#page-library{padding-top:var(--hdr);}
.library-header{padding:1.5rem 1.25rem 1.25rem;
  border-bottom:1px solid var(--border);}
@media(min-width:600px){.library-header{padding:1.75rem 2rem 1.5rem;}}
@media(min-width:960px){.library-header{padding:2rem 4rem 2rem;}}

.library-filters{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem;}
.lib-filter-btn{background:var(--card-bg);border:1px solid var(--border);
  border-radius:50px;padding:.35rem .85rem;font-size:.75rem;font-weight:600;
  color:var(--white-dim);transition:all .25s;cursor:pointer;}
.lib-filter-btn:hover,.lib-filter-btn.active{background:var(--teal-glow);
  border-color:var(--teal);color:var(--teal);}

.library-grid{display:grid;grid-template-columns:1fr;gap:.65rem;padding:1.25rem;}
@media(min-width:600px){.library-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));padding:1.75rem 2rem;}}
@media(min-width:960px){.library-grid{padding:2rem 4rem;}}

.lib-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;
  padding:1rem 1.1rem;cursor:pointer;transition:all .3s var(--ease);
  display:flex;align-items:flex-start;gap:.85rem;}
.lib-card:hover{border-color:var(--teal);transform:translateY(-2px);}
.lib-card-icon{font-size:1.6rem;flex-shrink:0;line-height:1;}
.lib-card-body{flex:1;min-width:0;}
.lib-card-name{font-weight:700;font-size:.9rem;margin-bottom:.15rem;}
.lib-card-system{font-size:.68rem;color:var(--teal);letter-spacing:.04em;margin-bottom:.3rem;}
.lib-card-desc{font-size:.76rem;color:var(--white-dim);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lib-card-drugs{font-size:.68rem;color:var(--cyan);margin-top:.3rem;}

/* ── LANGUAGE SWITCHER ── */
.lang-wrap{position:relative;flex-shrink:0;}
.lang-btn{display:flex;align-items:center;gap:.35rem;background:var(--white-faint);
  border:1px solid var(--border);border-radius:50px;padding:.35rem .75rem;
  font-size:.78rem;font-weight:600;color:var(--white-dim);
  transition:all .25s;white-space:nowrap;cursor:pointer;}
.lang-btn:hover{border-color:var(--teal);color:var(--teal);}

.lang-menu{display:none;position:absolute;top:calc(100% + 8px);right:0;
  background:var(--navy-mid);border:1px solid var(--border);border-radius:14px;
  padding:.75rem;z-index:400;box-shadow:0 16px 48px rgba(0,0,0,.55);
  min-width:280px;}
.lang-menu.open{display:block;}
.lang-menu-title{font-size:.62rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--white-dim);margin-bottom:.6rem;padding:0 .25rem;}
.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.35rem;}
@media(min-width:480px){.lang-grid{grid-template-columns:repeat(4,1fr);}}

.lang-option{display:flex;flex-direction:column;align-items:center;gap:.2rem;
  background:var(--white-faint);border:1px solid transparent;border-radius:9px;
  padding:.45rem .3rem;cursor:pointer;transition:all .2s;}
.lang-option:hover{background:var(--teal-glow);border-color:var(--teal);}
.lang-option.active{background:var(--teal-glow);border-color:var(--teal);}
.lang-flag{font-size:1.2rem;line-height:1;}
.lang-label{font-size:.6rem;font-weight:600;color:var(--white-dim);
  text-align:center;line-height:1.2;}
.lang-option.active .lang-label{color:var(--teal);}

/* Hide the Google Translate toolbar banner */
.goog-te-banner-frame,.skiptranslate{display:none!important;}
body{top:0!important;}
.goog-te-gadget{display:none!important;}

/* ── ABOUT PAGE ── */
#page-about{padding-top:var(--hdr);}

.about-hero{padding:2.5rem 1.25rem 2rem;text-align:center;
  background:linear-gradient(180deg,var(--navy-light),transparent);
  border-bottom:1px solid var(--border);}
@media(min-width:600px){.about-hero{padding:3rem 2rem 2.5rem;}}
@media(min-width:960px){.about-hero{padding:4rem 4rem 3rem;}}

.about-badge{display:inline-flex;align-items:center;gap:.5rem;
  font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--teal);background:var(--teal-glow);
  border:1px solid rgba(0,198,184,.3);padding:.3rem .85rem;border-radius:50px;
  margin-bottom:1rem;}
.about-title{font-family:var(--ff-display);font-size:clamp(2rem,6vw,3.5rem);
  line-height:1.1;letter-spacing:-.02em;margin-bottom:.6rem;}
.about-title span{color:var(--teal);font-style:italic;}
.about-tagline{font-size:clamp(.9rem,2vw,1.05rem);color:var(--white-dim);}

.about-body{max-width:820px;margin:0 auto;padding:2rem 1.25rem;
  display:flex;flex-direction:column;gap:1.25rem;}
@media(min-width:600px){.about-body{padding:2.5rem 2rem;}}
@media(min-width:960px){.about-body{padding:3rem 4rem;}}

.about-card{background:var(--card-bg);border:1px solid var(--border);
  border-radius:14px;padding:1.4rem 1.25rem;display:flex;gap:1rem;align-items:flex-start;}
.about-card-warn{border-color:rgba(245,200,66,.3);background:rgba(245,200,66,.04);}
.about-card-icon{font-size:1.6rem;flex-shrink:0;line-height:1;margin-top:.1rem;}
.about-card-title{font-weight:700;font-size:1rem;margin-bottom:.55rem;letter-spacing:-.01em;}
.about-card-text{font-size:.85rem;color:var(--white-dim);line-height:1.75;}
.about-list{list-style:none;display:flex;flex-direction:column;gap:.45rem;
  font-size:.85rem;color:var(--white-dim);line-height:1.6;}

.about-dev-card{background:linear-gradient(135deg,var(--navy-light),var(--navy-mid));
  border:1px solid var(--teal);border-radius:16px;padding:1.75rem 1.5rem;
  display:flex;align-items:flex-start;gap:1.25rem;flex-wrap:wrap;
  box-shadow:0 0 32px rgba(0,198,184,.08);}
.about-dev-avatar{width:80px;height:80px;flex-shrink:0;border-radius:50%;
  background:linear-gradient(135deg,var(--teal),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-display);font-size:1.3rem;font-weight:700;
  color:var(--navy);letter-spacing:-.02em;overflow:hidden;
  border:2px solid var(--teal);box-shadow:0 0 0 4px rgba(0,198,184,.15);}
.about-dev-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;}
.about-dev-avatar span{display:flex;align-items:center;justify-content:center;
  width:100%;height:100%;}
.about-dev-info{flex:1;min-width:0;}
.about-dev-name{font-family:var(--ff-display);font-size:1.35rem;
  letter-spacing:-.01em;margin-bottom:.15rem;}
.about-dev-qual{font-size:.75rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--teal);margin-bottom:.2rem;}
.about-dev-role{font-size:.72rem;color:var(--white-dim);margin-bottom:.25rem;}
.about-dev-inst{font-size:.72rem;color:var(--gold);font-weight:600;
  letter-spacing:.03em;margin-bottom:.5rem;}
.about-dev-bio{font-size:.83rem;color:var(--white-dim);line-height:1.7;}

/* ── MOA FLOWCHART ── */
.flowchart-wrap{display:flex;flex-direction:column;align-items:center;
  gap:0;padding:.5rem 0;width:100%;}

.fc-node{display:flex;align-items:center;gap:.85rem;
  background:var(--fc-bg);border:1.5px solid var(--fc-border);
  border-radius:14px;padding:.85rem 1.1rem;width:100%;max-width:640px;
  position:relative;transition:transform .2s,box-shadow .2s;
  box-shadow:0 2px 12px rgba(0,0,0,.18);}
.fc-node:hover{transform:translateY(-2px);
  box-shadow:0 6px 24px rgba(0,0,0,.28);}

.fc-node-icon{font-size:1.4rem;flex-shrink:0;width:36px;text-align:center;line-height:1;}
.fc-node-body{flex:1;min-width:0;}
.fc-node-label{font-weight:700;font-size:.88rem;color:var(--fc-color);line-height:1.35;}
.fc-node-sub{font-size:.74rem;color:var(--white-dim);margin-top:.2rem;line-height:1.5;}
.fc-node-badge{font-size:.58rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  background:var(--fc-border);color:var(--navy);border-radius:4px;
  padding:.18rem .5rem;flex-shrink:0;align-self:flex-start;}

.fc-arrow{font-size:1.4rem;color:var(--teal);opacity:.7;
  line-height:1;text-align:center;padding:.15rem 0;
  animation:fc-pulse 2s ease infinite;}
@keyframes fc-pulse{0%,100%{opacity:.5;transform:translateY(0)}
  50%{opacity:1;transform:translateY(3px)}}

/* ── PK / PD TABLES ── */
.pk-card{background:var(--navy-light);border:1px solid var(--border);
  border-radius:12px;padding:1rem 1.1rem;margin-bottom:.75rem;}
.pk-card:last-child{margin-bottom:0;}
.pk-drug-name{font-weight:700;font-size:.85rem;color:var(--cyan);margin-bottom:.65rem;
  padding-bottom:.45rem;border-bottom:1px solid var(--border);}
.pk-grid{display:flex;flex-direction:column;gap:.35rem;}
.pk-row{display:grid;grid-template-columns:160px 1fr;gap:.5rem;align-items:baseline;}
@media(max-width:480px){.pk-row{grid-template-columns:1fr;gap:.1rem;}}
.pk-label{font-size:.68rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  color:var(--teal);white-space:nowrap;}
.pk-val{font-size:.8rem;color:var(--white-dim);line-height:1.5;}

/* ── CLINICAL RESEARCH ── */
.research-list{display:flex;flex-direction:column;gap:.75rem;}
.research-card{background:var(--navy-light);border:1px solid var(--border);
  border-left:3px solid var(--cyan);border-radius:0 12px 12px 0;padding:.9rem 1rem;}
.research-meta{display:flex;align-items:center;gap:.75rem;margin-bottom:.45rem;flex-wrap:wrap;}
.research-trial{font-weight:700;font-size:.82rem;color:var(--cyan);}
.research-year{font-size:.68rem;font-weight:600;letter-spacing:.06em;
  background:rgba(56,228,255,.1);border:1px solid rgba(56,228,255,.25);
  color:var(--cyan);border-radius:50px;padding:.15rem .55rem;}
.research-finding{font-size:.8rem;color:var(--white-dim);line-height:1.65;}

/* ── FOOTER ── */
footer{padding:1.25rem 1.25rem;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.7rem;}
@media(min-width:600px){footer{padding:1.5rem 2rem;}}
@media(min-width:960px){footer{padding:1.75rem 4rem;}}
.footer-copy{font-size:.74rem;color:var(--white-dim);}
.footer-note{font-size:.68rem;background:rgba(245,200,66,.08);
  border:1px solid rgba(245,200,66,.2);color:var(--gold);border-radius:6px;padding:.25rem .6rem;}

/* ── ANIMATIONS ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeUp .45s ease both;}
.animate-in.delay-1{animation-delay:.08s;}
.animate-in.delay-2{animation-delay:.16s;}
.animate-in.delay-3{animation-delay:.24s;}
.animate-in.delay-4{animation-delay:.32s;}

/* ═══════════════════════════════════════════════════════
   ENHANCED UI — Animations, Cards, Visual Polish
═══════════════════════════════════════════════════════ */

/* ── ENHANCED BODY GLOW ── */
body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(0,198,184,.07),transparent),
    radial-gradient(ellipse 60% 40% at 90% 80%,rgba(139,92,246,.05),transparent);
  animation:ambientShift 12s ease-in-out infinite alternate;}
@keyframes ambientShift{0%{opacity:.6}100%{opacity:1}}

/* ── SYSTEM COLOR ACCENTS PER SECTION ── */
.system-Nervous{--sys-color:#a78bfa;--sys-glow:rgba(167,139,250,.15);}
.system-Cardiovascular{--sys-color:#f87171;--sys-glow:rgba(248,113,113,.15);}
.system-Respiratory{--sys-color:#34d399;--sys-glow:rgba(52,211,153,.15);}
.system-Digestive{--sys-color:#fb923c;--sys-glow:rgba(251,146,60,.15);}
.system-Endocrine{--sys-color:#facc15;--sys-glow:rgba(250,204,21,.15);}
.system-Urinary{--sys-color:#38bdf8;--sys-glow:rgba(56,189,248,.15);}
.system-Reproductive{--sys-color:#f472b6;--sys-glow:rgba(244,114,182,.15);}
.system-Musculoskeletal{--sys-color:#a3e635;--sys-glow:rgba(163,230,53,.15);}
.system-Immune{--sys-color:#22d3ee;--sys-glow:rgba(34,211,238,.15);}
.system-Integumentary{--sys-color:#e879f9;--sys-glow:rgba(232,121,249,.15);}
.system-Hematologic{--sys-color:#fb7185;--sys-glow:rgba(251,113,133,.15);}
.system-Sensory{--sys-color:#67e8f9;--sys-glow:rgba(103,232,249,.15);}

/* ── ENHANCED ORGAN CARDS ── */
.organ-card{
  position:relative;overflow:hidden;
  transition:transform .3s cubic-bezier(.34,1.56,.64,1), box-shadow .3s ease, border-color .3s ease;
}
.organ-card::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%,rgba(0,198,184,.1),transparent 70%);
  opacity:0;transition:opacity .3s ease;pointer-events:none;
}
.organ-card:hover{
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 16px 40px rgba(0,0,0,.35),0 0 0 1px rgba(0,198,184,.3);
}
.organ-card:hover::before{opacity:1;}
.organ-emoji{
  transition:transform .3s cubic-bezier(.34,1.56,.64,1);
  filter:drop-shadow(0 0 8px rgba(0,198,184,0));
}
.organ-card:hover .organ-emoji{
  transform:scale(1.25) rotate(-5deg);
  filter:drop-shadow(0 0 10px rgba(0,198,184,.5));
}

/* ── ENHANCED DISEASE CARDS ── */
.disease-card{
  position:relative;overflow:hidden;
  transition:transform .3s cubic-bezier(.34,1.56,.64,1), box-shadow .3s ease, border-color .25s ease;
}
.disease-card::after{
  content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.04),transparent);
  transition:left .5s ease;pointer-events:none;
}
.disease-card:hover{
  transform:translateY(-5px) scale(1.015);
  box-shadow:0 20px 50px rgba(0,0,0,.4),0 0 0 1px var(--teal);
  border-color:var(--teal);
}
.disease-card:hover::after{left:120%;}
.disease-card .disease-icon{
  transition:transform .3s cubic-bezier(.34,1.56,.64,1), filter .3s ease;
}
.disease-card:hover .disease-icon{
  transform:scale(1.2) rotate(8deg);
  filter:drop-shadow(0 0 8px rgba(0,198,184,.5));
}

/* ── ENHANCED SEVERITY BADGES ── */
.sev-badge{
  position:relative;overflow:hidden;
}
.sev-badge::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);
  border-radius:inherit;
}

/* ── HERO PULSE ANIMATION ── */
.badge-dot{
  animation:pulseDot 2s ease-in-out infinite;
  box-shadow:0 0 0 0 rgba(0,198,184,.5);
}
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(0,198,184,.5);}
  70%{box-shadow:0 0 0 8px rgba(0,198,184,0);}
  100%{box-shadow:0 0 0 0 rgba(0,198,184,0);}
}

/* ── ENHANCED SEARCH BAR ── */
.search-bar{
  transition:box-shadow .3s ease, border-color .3s ease;
}
.search-bar:focus-within{
  box-shadow:0 0 0 3px rgba(0,198,184,.2), 0 8px 32px rgba(0,0,0,.25);
  border-color:var(--teal) !important;
}
.search-results-dropdown{
  animation:dropIn .2s ease;
}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.search-result-item{
  transition:background .15s ease, transform .15s ease, padding-left .15s ease;
}
.search-result-item:hover{
  padding-left:1.25rem;
  background:rgba(0,198,184,.08) !important;
}

/* ── ENHANCED STAT COUNTERS ── */
.stat{
  position:relative;
  transition:transform .3s cubic-bezier(.34,1.56,.64,1);
}
.stat:hover{transform:translateY(-3px);}
.stat-num{
  background:linear-gradient(135deg,var(--teal),var(--cyan));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  filter:drop-shadow(0 0 12px rgba(0,198,184,.3));
}

/* ── HERO TITLE GRADIENT ── */
.hero-title em{
  background:linear-gradient(135deg,var(--teal) 0%,var(--cyan) 40%,var(--violet) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  filter:drop-shadow(0 0 20px rgba(0,198,184,.25));
}

/* ── REGION BODY SVG ZONES ── */
.region-zone{
  transition:fill-opacity .25s ease, filter .25s ease;
}
.region-zone:hover{
  filter:drop-shadow(0 0 12px rgba(0,198,184,.6));
}

/* ── BODY SILHOUETTE PULSE ── */
.figure-fill ellipse, .figure-fill path, .figure-fill rect{
  animation:figurePulse 4s ease-in-out infinite;
}
@keyframes figurePulse{0%,100%{opacity:.25}50%{opacity:.35}}

/* ── ENHANCED LIB FILTER BUTTONS ── */
.lib-filter-btn{
  position:relative;overflow:hidden;
  transition:all .25s cubic-bezier(.4,0,.2,1);
}
.lib-filter-btn::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(0,198,184,.2),rgba(56,228,255,.1));
  opacity:0;transition:opacity .25s ease;border-radius:inherit;
}
.lib-filter-btn:hover::before,.lib-filter-btn.active::before{opacity:1;}
.lib-filter-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(0,0,0,.2);
}

/* ── DRUG CARD GLOW ON HOVER ── */
.drug-card{
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.drug-card:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 32px rgba(0,0,0,.3), 0 0 0 1px rgba(0,198,184,.2);
  border-color:rgba(0,198,184,.3);
}

/* ── QUICK FACTS PANEL ENHANCEMENTS ── */
.quick-facts{
  position:relative;overflow:hidden;
}
.quick-facts::before{
  content:'';position:absolute;top:-50%;right:-50%;width:100%;height:100%;
  background:radial-gradient(circle,rgba(0,198,184,.05),transparent 70%);
  pointer-events:none;
}
.qf-item{
  transition:transform .2s ease, background .2s ease;
}
.qf-item:hover{
  transform:translateX(4px);
  background:rgba(0,198,184,.07) !important;
  border-radius:8px;
}

/* ── ABOUT PAGE DEV CARD GLOW ── */
.about-dev-card{
  position:relative;overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease;
}
.about-dev-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--teal),var(--cyan),var(--violet));
  opacity:.6;
}
.about-dev-card:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 50px rgba(0,0,0,.35);
}
.about-dev-avatar{
  transition:transform .3s cubic-bezier(.34,1.56,.64,1), box-shadow .3s ease;
}
.about-dev-card:hover .about-dev-avatar{
  transform:scale(1.08) rotate(-3deg);
  box-shadow:0 8px 24px rgba(0,0,0,.3);
}

/* ── ENHANCED TOC LINKS ── */
.toc-link{
  position:relative;overflow:hidden;
  transition:color .2s ease, padding-left .2s ease, background .2s ease;
}
.toc-link::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:70%;background:var(--teal);border-radius:0 3px 3px 0;
  transition:width .2s ease;
}
.toc-link:hover::before,.toc-link.active::before{width:3px;}
.toc-link:hover,.toc-link.active{
  padding-left:1.4rem;
  background:rgba(0,198,184,.05);
  color:var(--teal);
}

/* ── SECTION SCROLL REVEAL ── */
.disease-sections .section-block{
  opacity:0;transform:translateY(20px);
  animation:revealSection .5s ease forwards;
}
@keyframes revealSection{to{opacity:1;transform:translateY(0)}}
.disease-sections .section-block:nth-child(1){animation-delay:.1s}
.disease-sections .section-block:nth-child(2){animation-delay:.2s}
.disease-sections .section-block:nth-child(3){animation-delay:.3s}
.disease-sections .section-block:nth-child(4){animation-delay:.4s}
.disease-sections .section-block:nth-child(5){animation-delay:.5s}

/* ── ENHANCED DISEASE HERO ── */
.disease-hero{
  position:relative;overflow:hidden;
}
.disease-hero::before{
  content:'';position:absolute;top:-100px;right:-100px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(0,198,184,.06),transparent 70%);
  pointer-events:none;animation:heroGlow 6s ease-in-out infinite alternate;
}
@keyframes heroGlow{0%{transform:scale(1) translate(0,0)}100%{transform:scale(1.15) translate(-20px,20px)}}

/* ── LIBRARY GRID STAGGER ── */
.library-grid .disease-card{
  animation:fadeUp .4s ease both;
}
.library-grid .disease-card:nth-child(1){animation-delay:.03s}
.library-grid .disease-card:nth-child(2){animation-delay:.06s}
.library-grid .disease-card:nth-child(3){animation-delay:.09s}
.library-grid .disease-card:nth-child(4){animation-delay:.12s}
.library-grid .disease-card:nth-child(5){animation-delay:.15s}
.library-grid .disease-card:nth-child(6){animation-delay:.18s}
.library-grid .disease-card:nth-child(7){animation-delay:.21s}
.library-grid .disease-card:nth-child(8){animation-delay:.24s}
.library-grid .disease-card:nth-child(9){animation-delay:.27s}
.library-grid .disease-card:nth-child(10){animation-delay:.30s}
.library-grid .disease-card:nth-child(11){animation-delay:.33s}
.library-grid .disease-card:nth-child(12){animation-delay:.36s}

/* ── MOBILE NAV DRAWER SLIDE ── */
.mobile-nav-drawer{
  transform:translateY(-10px);opacity:0;
  transition:transform .25s ease,opacity .25s ease;
}
.mobile-nav-drawer.open{
  display:flex;transform:translateY(0);opacity:1;
}

/* ── PAGE TRANSITION ── */
.page{opacity:0;pointer-events:none;transition:opacity .3s ease;}
.page.active{opacity:1;pointer-events:all;}

/* ── SCROLLBAR GLOW ── */
::-webkit-scrollbar-thumb:hover{
  background:var(--teal);
  box-shadow:0 0 8px rgba(0,198,184,.5);
}

/* ── LANG MENU SLIDE ── */
.lang-menu{
  transform:translateY(-8px) scale(.97);opacity:0;
  transition:transform .2s ease,opacity .2s ease;pointer-events:none;
}
.lang-menu.open{
  transform:translateY(0) scale(1);opacity:1;pointer-events:all;
}
.lang-option{
  transition:background .15s ease, transform .15s ease;
}
.lang-option:hover{
  background:rgba(0,198,184,.12) !important;
  transform:translateX(4px);
}

/* ── HEADER SCROLL SHADOW ── */
header{
  transition:box-shadow .3s ease;
}
header.scrolled{
  box-shadow:0 4px 30px rgba(0,0,0,.4);
}

/* ── BACK BUTTON HOVER ── */
.back-btn{
  position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.back-btn:hover{
  transform:translateX(-4px);
  border-color:var(--teal);
  box-shadow:0 4px 16px rgba(0,0,0,.2);
}

/* ── RESEARCH CARD HOVER ── */
.research-card{
  transition:transform .2s ease,box-shadow .2s ease,border-left-color .2s ease;
}
.research-card:hover{
  transform:translateX(4px);
  box-shadow:0 6px 20px rgba(0,0,0,.2);
  border-left-color:var(--teal);
}

/* ── SMOOTH FOCUS RINGS ── */
button:focus-visible,a:focus-visible,input:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:2px;
}

/* ── TOAST / CHIP ANIMATION ── */
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}


/* ═══ 3D ORGAN ZONE HOVER EFFECTS ═══ */
.organ-zone-head:hover    { fill:rgba(240,150,180,0.25) !important; stroke:rgba(240,150,180,0.8) !important; filter:drop-shadow(0 0 12px rgba(240,150,180,0.6)); }
.organ-zone-sensory:hover { fill:rgba(56,228,255,0.2)  !important; stroke:rgba(56,228,255,0.8)  !important; filter:drop-shadow(0 0 10px rgba(56,228,255,0.5)); }
.organ-zone-thyroid:hover { fill:rgba(0,220,180,0.25)  !important; stroke:rgba(0,220,180,0.8)   !important; filter:drop-shadow(0 0 10px rgba(0,220,180,0.5)); }
.organ-zone-heart:hover   { fill:rgba(255,60,80,0.25)  !important; stroke:rgba(255,80,100,0.9)  !important; filter:drop-shadow(0 0 14px rgba(255,60,80,0.7)); }
.organ-zone-lung:hover    { fill:rgba(255,140,100,0.2) !important; stroke:rgba(255,140,100,0.8) !important; filter:drop-shadow(0 0 12px rgba(255,140,100,0.5)); }
.organ-zone-liver:hover   { fill:rgba(180,100,40,0.25) !important; stroke:rgba(200,120,60,0.8)  !important; filter:drop-shadow(0 0 12px rgba(180,100,40,0.5)); }
.organ-zone-stomach:hover { fill:rgba(200,150,80,0.22) !important; stroke:rgba(220,160,90,0.8)  !important; filter:drop-shadow(0 0 10px rgba(200,150,80,0.5)); }
.organ-zone-gut:hover     { fill:rgba(210,140,80,0.2)  !important; stroke:rgba(210,140,80,0.7)  !important; filter:drop-shadow(0 0 10px rgba(210,140,80,0.45)); }
.organ-zone-kidney:hover  { fill:rgba(200,100,60,0.25) !important; stroke:rgba(220,110,70,0.85) !important; filter:drop-shadow(0 0 12px rgba(200,100,60,0.55)); }
.organ-zone-bladder:hover { fill:rgba(80,180,240,0.22) !important; stroke:rgba(100,200,255,0.8) !important; filter:drop-shadow(0 0 10px rgba(80,180,240,0.5)); }
.organ-zone-limb:hover    { fill:rgba(200,160,100,0.2) !important; stroke:rgba(220,180,120,0.7) !important; filter:drop-shadow(0 0 10px rgba(200,160,100,0.45)); }

/* ═══ MEDICAL SVG ICON STYLES ═══ */
.med-svg-icon { display:flex; align-items:center; justify-content:center; }
.med-svg-icon svg { width:100%; height:100%; display:block; }
.dc-icon.med-svg-icon { width:44px; height:44px; flex-shrink:0; border-radius:10px; overflow:hidden;
  background:rgba(6,13,31,0.4); border:1px solid rgba(0,198,184,0.15); padding:3px; }
.disease-main-icon.med-svg-icon { width:72px; height:72px; border-radius:16px; overflow:hidden;
  background:rgba(6,13,31,0.5); border:1px solid rgba(0,198,184,0.2); padding:6px; }
.lib-card-icon.med-svg-icon { width:40px; height:40px; flex-shrink:0; border-radius:10px; overflow:hidden;
  background:rgba(6,13,31,0.4); border:1px solid rgba(0,198,184,0.15); padding:3px; }
.dc-icon.med-svg-icon svg, .disease-main-icon.med-svg-icon svg, .lib-card-icon.med-svg-icon svg {
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.4));
  transition: transform 0.2s ease;
}
.disease-card:hover .dc-icon.med-svg-icon svg,
.lib-card:hover .lib-card-icon.med-svg-icon svg {
  transform: scale(1.08);
}

/* ═══ ORGAN CARD SVG ICON ═══ */
.organ-emoji.med-svg-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px; overflow: hidden;
  background: rgba(6,13,31,0.5);
  border: 1px solid rgba(0,198,184,0.18);
  padding: 4px; margin-bottom: 0.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.organ-emoji.med-svg-icon svg {
  width: 100%; height: 100%; display: block;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.5));
  transition: transform 0.2s ease;
}
.organ-card:hover .organ-emoji.med-svg-icon {
  box-shadow: 0 0 16px rgba(0,198,184,0.3);
  border-color: rgba(0,198,184,0.4);
}
.organ-card:hover .organ-emoji.med-svg-icon svg {
  transform: scale(1.1);
}

/* ═══════════════════════════════════════════════════════
   ORGANS ATLAS PAGE
═══════════════════════════════════════════════════════ */

/* ── Hero ── */
.oa-hero {
  background: linear-gradient(135deg, rgba(0,198,184,.08) 0%, rgba(6,13,31,0) 60%);
  border-bottom: 1px solid var(--border);
  padding: calc(var(--hdr) + 2rem) 1.5rem 2rem;
}
@media(min-width:600px){ .oa-hero{ padding: calc(var(--hdr) + 2.5rem) 2.5rem 2.5rem; } }
@media(min-width:960px){ .oa-hero{ padding: calc(var(--hdr) + 3rem) 4rem 3rem; } }

.oa-hero-inner { max-width: 860px; }

.oa-title {
  font-family: var(--ff-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  color: var(--white);
  line-height: 1.1;
  margin-bottom: .6rem;
}
.oa-title em { color: var(--teal); font-style: italic; }

.oa-subtitle {
  font-size: .95rem;
  color: var(--white-dim);
  margin-bottom: 1.6rem;
  max-width: 540px;
}

/* search */
.oa-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(21,35,65,.8);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: .55rem 1.2rem;
  max-width: 480px;
  gap: .6rem;
  margin-bottom: 1.6rem;
  transition: border-color .25s;
}
.oa-search-wrap:focus-within {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,198,184,.12);
}
.oa-search-icon { font-size: .95rem; opacity: .6; flex-shrink: 0; }
.oa-search-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--white); font-size: .9rem; font-family: var(--ff-body);
}
.oa-search-input::placeholder { color: var(--white-dim); }
.oa-search-clear {
  background: none; border: none; color: var(--white-dim);
  font-size: .9rem; padding: 0; line-height: 1; cursor: pointer;
}
.oa-search-clear:hover { color: var(--teal); }

/* stats */
.oa-stats {
  display: flex; gap: 2rem;
}
.oa-stat { display: flex; flex-direction: column; gap: .15rem; }
.oa-stat-num {
  font-family: var(--ff-display);
  font-size: 1.8rem;
  color: var(--teal);
  line-height: 1;
}
.oa-stat-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--white-dim);
}

/* ── System tabs ── */
.oa-tabs-wrap {
  position: sticky;
  top: var(--hdr);
  z-index: 100;
  background: rgba(6,13,31,.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.oa-tabs-wrap::-webkit-scrollbar { display: none; }

.oa-tabs {
  display: flex;
  gap: .3rem;
  padding: .6rem 1.5rem;
  min-width: max-content;
}

.oa-tab {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .9rem;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  background: rgba(21,35,65,.6);
  color: var(--white-dim);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .22s var(--ease);
  white-space: nowrap;
}
.oa-tab:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(0,198,184,.08);
}
.oa-tab.active {
  background: var(--teal);
  border-color: var(--teal);
  color: #060d1f;
}
.oa-tab-icon { font-size: .85rem; }
.oa-tab-count {
  background: rgba(0,0,0,.2);
  border-radius: 50px;
  padding: .05rem .45rem;
  font-size: .65rem;
}
.oa-tab.active .oa-tab-count { background: rgba(0,0,0,.25); }

/* ── Body (system sections) ── */
.oa-body {
  padding: 2rem 1.5rem 4rem;
  max-width: 1440px;
  margin: 0 auto;
}
@media(min-width:600px){ .oa-body{ padding: 2rem 2.5rem 4rem; } }
@media(min-width:960px){ .oa-body{ padding: 2.5rem 4rem 4rem; } }

/* system section */
.oa-section {
  margin-bottom: 3rem;
  animation: fadeSlideUp .4s var(--ease) both;
}
@keyframes fadeSlideUp {
  from { opacity:0; transform:translateY(16px); }
  to   { opacity:1; transform:translateY(0); }
}

.oa-section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}

.oa-system-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.3rem;
}

.oa-system-name {
  font-family: var(--ff-display);
  font-size: 1.3rem;
  color: var(--white);
  flex: 1;
}
.oa-system-name span { color: var(--teal); }

.oa-system-meta {
  font-size: .72rem;
  color: var(--white-dim);
  margin-top: .15rem;
}

.oa-system-badge {
  padding: .25rem .75rem;
  border-radius: 50px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  border: 1px solid;
  flex-shrink: 0;
}

/* organ cards grid */
.oa-organs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: .85rem;
}
@media(min-width:600px){ .oa-organs-grid{ grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; } }
@media(min-width:960px){ .oa-organs-grid{ grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); } }

/* individual organ card */
.oa-organ-card {
  background: var(--card-bg);
  border: 1.5px solid rgba(0,198,184,.14);
  border-radius: 14px;
  padding: 1.1rem .9rem .85rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .55rem;
  transition: all .25s var(--ease);
  position: relative;
  overflow: hidden;
}
.oa-organ-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,198,184,.06), transparent);
  opacity: 0;
  transition: opacity .25s;
  border-radius: inherit;
}
.oa-organ-card:hover {
  border-color: rgba(0,198,184,.55);
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0,0,0,.3), 0 0 0 1px rgba(0,198,184,.2);
}
.oa-organ-card:hover::before { opacity: 1; }
.oa-organ-card.no-diseases {
  opacity: .55;
}
.oa-organ-card.no-diseases:hover {
  opacity: .75;
  transform: translateY(-1px);
}

/* System-tinted card borders */
.oa-organ-card[data-system="Nervous System"]:hover     { border-color: rgba(255,160,190,.6); }
.oa-organ-card[data-system="Cardiovascular System"]:hover { border-color: rgba(255,80,100,.6); }
.oa-organ-card[data-system="Respiratory System"]:hover { border-color: rgba(100,180,255,.6); }
.oa-organ-card[data-system="Digestive System"]:hover   { border-color: rgba(200,140,80,.6); }
.oa-organ-card[data-system="Endocrine System"]:hover   { border-color: rgba(0,220,180,.6); }
.oa-organ-card[data-system="Urinary System"]:hover     { border-color: rgba(80,180,240,.6); }
.oa-organ-card[data-system="Reproductive System"]:hover{ border-color: rgba(240,120,180,.6); }
.oa-organ-card[data-system="Musculoskeletal System"]:hover{ border-color: rgba(220,200,140,.6); }
.oa-organ-card[data-system="Immune System"]:hover      { border-color: rgba(100,160,255,.6); }
.oa-organ-card[data-system="Hematologic System"]:hover { border-color: rgba(255,80,80,.6); }
.oa-organ-card[data-system="Integumentary System"]:hover{ border-color: rgba(220,160,100,.6); }
.oa-organ-card[data-system="Sensory System"]:hover     { border-color: rgba(180,220,255,.6); }

.oa-card-icon {
  width: 58px; height: 58px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(6,13,31,.5);
  border: 1px solid rgba(0,198,184,.15);
  padding: 5px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform .25s var(--ease), box-shadow .25s;
}
.oa-card-icon svg {
  width: 100%; height: 100%;
  display: block;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,.5));
  transition: transform .25s var(--ease);
}
.oa-organ-card:hover .oa-card-icon {
  box-shadow: 0 0 18px rgba(0,198,184,.25);
}
.oa-organ-card:hover .oa-card-icon svg { transform: scale(1.1); }

.oa-card-name {
  font-size: .82rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
}

.oa-card-count {
  font-size: .68rem;
  font-weight: 500;
  color: var(--teal);
  background: rgba(0,198,184,.1);
  padding: .2rem .6rem;
  border-radius: 50px;
  border: 1px solid rgba(0,198,184,.2);
}
.oa-card-count.zero {
  color: var(--white-dim);
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.08);
}

.oa-card-system {
  font-size: .62rem;
  color: rgba(240,244,255,.45);
  font-weight: 500;
}

/* highlight matched text */
.oa-highlight {
  background: rgba(0,198,184,.25);
  color: var(--teal);
  border-radius: 2px;
  padding: 0 1px;
}

/* empty state */
.oa-empty {
  text-align: center;
  padding: 5rem 2rem;
}
.oa-empty-icon { font-size: 3.5rem; margin-bottom: 1rem; opacity: .5; }
.oa-empty-title { font-family: var(--ff-display); font-size: 1.6rem; color: var(--white); margin-bottom: .5rem; }
.oa-empty-sub { color: var(--white-dim); font-size: .9rem; }

/* nav active state */
nav a#nav-organs.active { color: var(--teal); }

/* ═══════════════════════════════════════════════════════
   ORGAN DETAIL PAGE STYLES
═══════════════════════════════════════════════════════ */

/* ── Organ Hero ── */
.organ-hero-section {
  background: linear-gradient(135deg, rgba(0,198,184,.09) 0%, rgba(6,13,31,0) 55%);
  border-bottom: 1px solid var(--border);
  padding: calc(var(--hdr) + 1.8rem) 1.5rem 2rem;
}
@media(min-width:600px){ .organ-hero-section{ padding: calc(var(--hdr) + 2rem) 2.5rem 2.2rem; } }
@media(min-width:960px){ .organ-hero-section{ padding: calc(var(--hdr) + 2.5rem) 4rem 2.5rem; } }

.organ-hero-inner { max-width: 1100px; }

.organ-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media(min-width:700px){
  .organ-hero-grid { grid-template-columns: 1fr 1fr; align-items: start; gap: 2rem; }
}

.organ-hero-left {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.organ-hero-icon {
  width: 80px; height: 80px;
  flex-shrink: 0;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(6,13,31,.6);
  border: 1.5px solid rgba(0,198,184,.3);
  padding: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,.4), 0 0 0 1px rgba(0,198,184,.1);
}
.organ-hero-icon svg {
  width: 100%; height: 100%;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.5));
}

.organ-hero-title {
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--white);
  line-height: 1.15;
  margin-bottom: .3rem;
}
.organ-hero-title span { color: var(--teal); }

.organ-hero-system {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .4rem;
}

.organ-hero-sub {
  font-size: .88rem;
  color: var(--white-dim);
  line-height: 1.55;
  max-width: 480px;
}

/* Quick facts panel */
.organ-quick-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .55rem;
}
@media(min-width:960px){ .organ-quick-facts{ grid-template-columns: 1fr 1fr 1fr; } }

.oqf-item {
  background: rgba(21,35,65,.7);
  border: 1px solid rgba(0,198,184,.15);
  border-radius: 10px;
  padding: .65rem .8rem;
}
.oqf-label {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: .25rem;
}
.oqf-value {
  font-size: .78rem;
  color: var(--white);
  font-weight: 500;
  line-height: 1.4;
}

/* ── Detail Tabs ── */
.organ-detail-tabs-wrap {
  position: sticky;
  top: var(--hdr);
  z-index: 90;
  background: rgba(6,13,31,.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.organ-detail-tabs-wrap::-webkit-scrollbar { display: none; }

.organ-detail-tabs {
  display: flex;
  gap: .3rem;
  padding: .55rem 1.5rem;
  min-width: max-content;
}

.odt {
  padding: .4rem 1rem;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  background: rgba(21,35,65,.5);
  color: var(--white-dim);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .05em;
  cursor: pointer;
  transition: all .2s var(--ease);
  white-space: nowrap;
}
.odt:hover { border-color: var(--teal); color: var(--teal); background: rgba(0,198,184,.08); }
.odt.active { background: var(--teal); border-color: var(--teal); color: #060d1f; }

/* ── Detail Content ── */
.organ-detail-body {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.8rem 1.5rem;
}
@media(min-width:600px){ .organ-detail-body{ padding: 2rem 2.5rem; } }
@media(min-width:960px){ .organ-detail-body{ padding: 2.5rem 4rem; } }

.organ-tab-panel { animation: fadeSlideUp .3s var(--ease) both; }

/* Overview */
.organ-overview-text {
  font-size: .95rem;
  line-height: 1.75;
  color: var(--white-dim);
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--teal);
  padding-left: 1.2rem;
}

/* Anatomy table */
.organ-anatomy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
  margin-top: .5rem;
}
.organ-anatomy-table th {
  text-align: left;
  padding: .6rem 1rem;
  background: rgba(0,198,184,.1);
  color: var(--teal);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(0,198,184,.25);
}
.organ-anatomy-table td {
  padding: .6rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.05);
  color: var(--white-dim);
  vertical-align: top;
  line-height: 1.5;
}
.organ-anatomy-table td:first-child {
  color: var(--white);
  font-weight: 600;
  white-space: nowrap;
  width: 35%;
}
.organ-anatomy-table tr:hover td { background: rgba(0,198,184,.04); }

/* Physiology / Clinical text */
.organ-text-block {
  font-size: .92rem;
  line-height: 1.8;
  color: var(--white-dim);
}
.organ-text-block strong { color: var(--white); }

/* Key facts */
.organ-keyfacts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.organ-keyfacts-list li {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  background: rgba(21,35,65,.6);
  border: 1px solid rgba(0,198,184,.12);
  border-radius: 10px;
  padding: .75rem 1rem;
  font-size: .88rem;
  color: var(--white-dim);
  line-height: 1.5;
  transition: border-color .2s;
}
.organ-keyfacts-list li:hover { border-color: rgba(0,198,184,.35); }
.organ-keyfact-bullet {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(0,198,184,.15);
  border: 1px solid rgba(0,198,184,.3);
  color: var(--teal);
  font-size: .75rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: .05rem;
}

/* References */
.organ-refs-list {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.organ-ref-item {
  display: flex;
  gap: .8rem;
  align-items: center;
  padding: .65rem 1rem;
  background: rgba(21,35,65,.5);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 10px;
  font-size: .83rem;
  color: var(--white-dim);
  transition: border-color .2s, background .2s;
}
.organ-ref-item:hover { border-color: rgba(0,198,184,.3); background: rgba(0,198,184,.04); }
.organ-ref-icon {
  font-size: 1.1rem; flex-shrink: 0;
}

/* No detail state */
.organ-no-detail {
  text-align: center;
  padding: 2rem;
  color: var(--white-dim);
  font-size: .9rem;
}

/* Diseases divider header */
.organ-diseases-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem .8rem;
  border-top: 1px solid var(--border);
  max-width: 960px; margin: 0 auto;
}
@media(min-width:600px){ .organ-diseases-header{ padding: 1.2rem 2.5rem .8rem; } }
@media(min-width:960px){ .organ-diseases-header{ padding: 1.2rem 4rem .8rem; max-width:none; } }

.odh-title {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--ff-display); font-size: 1.25rem; color: var(--white);
}
.odh-icon { font-size: 1.2rem; }
.odh-count {
  font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--teal); background: rgba(0,198,184,.1);
  padding: .25rem .75rem; border-radius: 50px; border: 1px solid rgba(0,198,184,.25);
}

/* Section heading inside detail tabs */
.organ-section-title {
  font-family: var(--ff-display);
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}


/* ── MOBILE RESPONSIVENESS FIXES ── */
@media(max-width:360px){
  .body-svg-wrap{width:160px;}
  .hero-left{padding:1.5rem 1rem;}
  .search-bar{padding:.6rem .8rem;}
  .search-btn{padding:.4rem .7rem;font-size:.75rem;}
  .organ-card{padding:1rem .7rem;}
  .disease-card{padding:1rem;}
  .modal-box{margin:1rem .5rem;}
}

/* Modal scrolling fix for mobile */
@media(max-width:600px){
  .modal-overlay{padding:var(--hdr) 0 1rem;}
  .modal-box{margin:1rem;max-height:calc(100vh - var(--hdr) - 2rem);
    display:flex;flex-direction:column;}
  .modal-body{overflow-y:auto;flex:1;}
}

/* Flowchart responsive fixes */
@media(max-width:480px){
  .fc-node{padding:.65rem .85rem;gap:.6rem;}
  .fc-node-icon{font-size:1.1rem;width:28px;}
  .fc-node-label{font-size:.8rem;}
  .fc-node-sub{font-size:.7rem;}
  .fc-node-badge{font-size:.55rem;padding:.15rem .4rem;}
}

/* ═══════════════════════════════════════════════════════
   SCREENING RESULTS PAGE
═══════════════════════════════════════════════════════ */
#page-screening-results { padding-top: var(--hdr); min-height: 100vh; }

.sr-header {
  padding: 1.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--navy-light), transparent);
}
@media(min-width:600px)  { .sr-header { padding: 1.75rem 2rem 1.5rem; } }
@media(min-width:960px)  { .sr-header { padding: 2rem 4rem 1.75rem; } }

.sr-breadcrumb {
  font-size: .7rem; color: var(--white-dim);
  display: flex; align-items: center; gap: .35rem;
  flex-wrap: wrap; margin-bottom: .6rem;
}
.sr-breadcrumb span { cursor: pointer; transition: color .2s; }
.sr-breadcrumb span:hover { color: var(--teal); }
.sr-breadcrumb .sep { color: var(--border); pointer-events: none; }

.sr-title-row {
  display: flex; align-items: flex-start;
  justify-content: space-between; flex-wrap: wrap; gap: .75rem;
}
.sr-title {
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 5vw, 2.8rem);
  letter-spacing: -.02em; line-height: 1.05;
}
.sr-title span { color: var(--teal); font-style: italic; }
.sr-subtitle { font-size: .82rem; color: var(--white-dim); margin-top: .3rem; }

.sr-mode-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .68rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--violet-glow);
  border: 1px solid rgba(139,92,246,.4);
  color: #a78bfa; border-radius: 50px;
  padding: .35rem .9rem; white-space: nowrap; align-self: flex-start;
}

/* Toolbar */
.sr-body { padding: 1.25rem; }
@media(min-width:600px) { .sr-body { padding: 1.5rem 2rem; } }
@media(min-width:960px) { .sr-body { padding: 1.75rem 4rem 3rem; } }

.sr-toolbar {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap;
  gap: .75rem; margin-bottom: 1.25rem;
}
.sr-toolbar-left { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.sr-result-count {
  font-size: .78rem; color: var(--white-dim);
  font-family: var(--ff-mono);
}
.sr-sort-wrap { display: flex; align-items: center; gap: .4rem; }
.sr-sort-label { font-size: .72rem; color: var(--white-dim); }
.sr-sort-select {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: .3rem .65rem;
  font-size: .75rem; color: var(--white);
  font-family: var(--ff-body); cursor: pointer; outline: none;
}
.sr-sort-select:focus { border-color: var(--teal); }

.sr-back-btn {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 10px; padding: .45rem .9rem;
  font-size: .76rem; font-weight: 600; color: var(--white-dim);
  cursor: pointer; transition: all .25s;
}
.sr-back-btn:hover { border-color: var(--teal); color: var(--teal); }

/* Card grid — matches screenshot layout */
.sr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media(min-width:600px)  { .sr-grid { grid-template-columns: repeat(2, 1fr); } }
@media(min-width:960px)  { .sr-grid { grid-template-columns: repeat(3, 1fr); } }
@media(min-width:1280px) { .sr-grid { grid-template-columns: repeat(4, 1fr); } }

/* Individual card */
.sr-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px; padding: 1.1rem 1.1rem 1rem;
  display: flex; flex-direction: column; gap: .65rem;
  transition: border-color .25s, transform .25s;
  position: relative; overflow: hidden;
}
.sr-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
  opacity: 0; transition: opacity .3s;
}
.sr-card:hover { border-color: var(--teal); transform: translateY(-2px); }
.sr-card:hover::before { opacity: 1; }

.sr-card-header {
  display: flex; align-items: flex-start; gap: .75rem;
}
.sr-card-icon { font-size: 1.6rem; flex-shrink: 0; line-height: 1; margin-top: .1rem; }
.sr-card-title-wrap { flex: 1; min-width: 0; }
.sr-card-name {
  font-weight: 700; font-size: .92rem;
  line-height: 1.3; margin-bottom: .1rem;
}
.sr-card-system {
  font-size: .62rem; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase;
  color: var(--teal);
}
.sr-card-organ {
  font-size: .62rem; color: var(--violet);
  font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; margin-top: .1rem;
}
.sr-card-prob-badge {
  font-family: var(--ff-mono); font-size: .82rem;
  font-weight: 700; color: var(--white);
  background: var(--white-faint);
  border: 1px solid var(--border);
  border-radius: 8px; padding: .2rem .5rem;
  flex-shrink: 0; align-self: flex-start;
}

.sr-card-desc {
  font-size: .78rem; color: var(--white-dim);
  line-height: 1.6; flex: 1;
}

/* Severity row */
.sr-severity-row {
  display: flex; align-items: center; gap: .5rem;
}
.sr-sev-label {
  font-size: .6rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--white-dim);
}
.sr-sev-value {
  font-size: .7rem; font-weight: 700;
  border: 1px solid; border-radius: 50px;
  padding: .15rem .6rem; letter-spacing: .04em;
}
.sr-sev-note {
  font-size: .72rem; color: var(--white-dim);
  font-style: italic; line-height: 1.5;
  margin-top: -.2rem;
}

/* Associated symptoms */
.sr-symptoms-section { display: flex; flex-direction: column; gap: .35rem; }
.sr-sym-title {
  font-size: .62rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--white-dim);
}
.sr-sym-list { display: flex; flex-wrap: wrap; gap: .3rem; }
.sr-sym-tag {
  font-size: .65rem; padding: .18rem .5rem;
  border-radius: 4px; border: 1px solid var(--border);
  color: var(--white-dim); background: var(--white-faint);
}
.sr-sym-tag.sr-sym-matched {
  color: var(--cyan); border-color: rgba(56,228,255,.35);
  background: rgba(56,228,255,.08); font-weight: 600;
}

/* Card footer */
.sr-card-footer {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: .4rem; padding-top: .6rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.sr-urgency-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
}
.sr-urgency-lbl {
  font-size: .68rem; font-weight: 700; letter-spacing: .04em;
}
.sr-specialist {
  font-size: .68rem; color: var(--white-dim); flex: 1;
}
.sr-view-btn {
  background: none; border: 1px solid var(--teal);
  border-radius: 8px; padding: .32rem .75rem;
  font-size: .72rem; font-weight: 600; color: var(--teal);
  cursor: pointer; transition: all .25s; white-space: nowrap;
  margin-left: auto;
}
.sr-view-btn:hover { background: var(--teal-glow); }

/* "View All" button in screening panel */
.sp-view-all-btn {
  background: linear-gradient(135deg, var(--violet), #6366f1);
  border: none; border-radius: 10px;
  padding: .55rem 1.25rem; font-size: .8rem;
  font-weight: 700; color: #fff; cursor: pointer;
  transition: opacity .2s, transform .2s;
}
.sp-view-all-btn:hover { opacity: .9; transform: translateY(-1px); }

.sr-empty {
  grid-column: 1 / -1; text-align: center;
  padding: 3rem 1rem; color: var(--white-dim);
  font-size: .9rem;
}