/* AM 369 Network — Public site styles (dark black / lightning blue) */
:root{
  --bg:#04060B;
  --bg-2:#080B14;
  --panel:rgba(255,255,255,0.035);
  --panel-brd:rgba(90,170,255,0.14);
  --glass:rgba(10,16,28,0.62);
  --text:#EAF2FF;
  --muted:#8A9BB8;
  --cyan:#38BDF8;
  --blue:#3B82F6;
  --blue-bright:#5AA9FF;
  --purple:#7C5CFF;
  --vet-green:#34D399;
  --danger:#FF6B6B;
  --radius:18px;
  --max:1180px;
  --shadow:0 24px 60px rgba(0,0,0,0.55);
  --glow:0 0 34px -6px rgba(56,189,248,0.55);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:
    radial-gradient(1200px 620px at 12% -12%, rgba(59,130,246,0.14), transparent 60%),
    radial-gradient(1000px 520px at 100% 0%, rgba(124,92,255,0.10), transparent 55%),
    radial-gradient(700px 400px at 60% 120%, rgba(56,189,248,0.08), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:'Inter','Segoe UI',system-ui,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{max-width:var(--max); margin:0 auto; padding:0 20px;}
:focus-visible{outline:2px solid var(--cyan); outline-offset:2px;}

/* floating ambient shapes */
.ambient{position:fixed; inset:0; z-index:0; overflow:hidden; pointer-events:none;}
.ambient span{position:absolute; border-radius:50%; filter:blur(80px); opacity:0.30; animation:float 18s ease-in-out infinite;}
.ambient span:nth-child(1){width:360px;height:360px;background:var(--blue);top:-90px;left:-70px;}
.ambient span:nth-child(2){width:300px;height:300px;background:var(--purple);bottom:-70px;right:-50px;animation-delay:-6s;}
.ambient span:nth-child(3){width:240px;height:240px;background:var(--cyan);top:40%;left:60%;animation-delay:-10s;}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-30px)}}

/* ---------- Start / loader (particle formation) ---------- */
#loader{
  position:fixed; inset:0; z-index:100; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center;
  background:radial-gradient(900px 480px at 50% 42%, rgba(59,130,246,0.14), transparent 65%), var(--bg);
  transition:opacity .7s ease, visibility .7s ease;
}
#loader.hide{opacity:0; visibility:hidden;}
#particle-canvas{position:absolute; inset:0; width:100%; height:100%;}
.loader-sub{position:relative; z-index:2; color:var(--muted); margin-top:210px; letter-spacing:.14em; text-transform:uppercase; font-size:.72rem; opacity:0; animation:subFade 1s ease forwards 1.6s;}
.loader-bar{position:relative; z-index:2; width:180px;height:2px;border-radius:99px;background:rgba(90,170,255,.14); margin-top:22px; overflow:hidden; opacity:0; animation:subFade 1s ease forwards 1.6s;}
.loader-bar i{display:block;height:100%;width:40%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--blue)); animation:load 1.4s ease-in-out infinite;}
@keyframes load{0%{margin-left:-45%}100%{margin-left:105%}}
@keyframes subFade{to{opacity:1}}

/* ---------- Auth gate (start screen entry) ---------- */
#gate{position:fixed; inset:0; z-index:96; display:flex; align-items:center; justify-content:center; padding:24px;
  background:radial-gradient(800px 420px at 50% 38%, rgba(59,130,246,0.14), transparent 62%), var(--bg);
  transition:opacity .5s ease, visibility .5s ease;}
#gate.hide{opacity:0; visibility:hidden; pointer-events:none;}
.gate-card{width:100%; max-width:400px; text-align:center; background:var(--glass); border:1px solid var(--panel-brd);
  border-radius:24px; padding:34px 26px; backdrop-filter:blur(16px); box-shadow:var(--shadow);}
.gate-mark{width:56px; height:56px; margin:0 auto 16px; display:grid; place-items:center; border-radius:16px;
  border:1px solid rgba(56,189,248,.4); background:rgba(56,189,248,.06); box-shadow:var(--glow);}
.gate-title{font-size:1.4rem; font-weight:700; letter-spacing:.3px;
  background:linear-gradient(90deg,#fff,#9fd4ff,#5AA9FF); -webkit-background-clip:text; background-clip:text; color:transparent;}
.gate-sub{color:var(--muted); font-size:.82rem; margin:6px 0 24px;}
.gate-btn{width:100%; display:inline-flex; align-items:center; justify-content:center; gap:10px; padding:13px 18px;
  border-radius:14px; font-size:.9rem; font-weight:600; cursor:pointer; border:1px solid var(--panel-brd); margin-bottom:12px; transition:transform .12s ease, border-color .2s;}
.gate-btn:active{transform:translateY(1px);}
.gate-google{background:#fff; color:#12151c; border-color:transparent;}
.gate-google:hover{box-shadow:0 8px 24px rgba(255,255,255,.12);}
.gate-guest{background:linear-gradient(90deg,var(--cyan),var(--blue)); color:#04121a; border-color:transparent; box-shadow:var(--glow);}
.gate-note{color:var(--muted); font-size:.7rem; margin-top:10px; line-height:1.5;}

/* ---------- Header ---------- */
header.site{position:sticky; top:0; z-index:50; backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(4,6,11,.9),rgba(4,6,11,.6));
  border-bottom:1px solid var(--panel-brd);}
.nav{display:flex; align-items:center; gap:18px; padding:14px 20px; max-width:var(--max); margin:0 auto;}
.brand{display:flex; align-items:center; gap:10px; font-weight:700;}
.brand small{display:block; font-weight:400; font-size:.68rem; color:var(--muted); letter-spacing:.06em;}
.brand-mark{width:34px;height:34px;flex:none;}
.nav-search{flex:1; display:flex; align-items:center; gap:8px; background:var(--panel);
  border:1px solid var(--panel-brd); border-radius:99px; padding:9px 16px; max-width:420px;}
.nav-search input{flex:1; background:none; border:none; color:var(--text); font-size:.9rem; outline:none;}
.nav-search input::placeholder{color:var(--muted);}
.species-select{background:var(--panel); border:1px solid var(--panel-brd); color:var(--text);
  border-radius:99px; padding:9px 14px; font-size:.85rem; outline:none; cursor:pointer;}
.species-select option{background:var(--bg-2);}
.nav-admin{color:var(--muted); font-size:.8rem; border:1px solid var(--panel-brd); padding:8px 14px; border-radius:99px;}
.nav-admin:hover{color:var(--text); border-color:var(--cyan);}
.menu-toggle{display:none; background:none;border:none;color:var(--text);cursor:pointer;}

/* ---------- Hero ---------- */
.hero{position:relative; z-index:1; padding:76px 0 40px; text-align:center;}
.hero .eyebrow{color:var(--cyan); letter-spacing:.16em; text-transform:uppercase; font-size:.72rem; font-weight:600;}
.hero h1{font-size:clamp(2rem,5.2vw,3.4rem); margin:14px auto 0; max-width:18ch; line-height:1.1;
  background:linear-gradient(90deg,#fff,#9fd4ff,#5AA9FF); -webkit-background-clip:text; background-clip:text; color:transparent;}
.hero p{color:var(--muted); max-width:56ch; margin:18px auto 0; font-size:1.05rem;}
.hero-actions{display:flex; gap:14px; justify-content:center; margin-top:30px; flex-wrap:wrap;}
.btn{border:none; cursor:pointer; font-size:.92rem; font-weight:600; padding:13px 24px; border-radius:99px; display:inline-flex; align-items:center; gap:8px; transition:transform .15s ease, box-shadow .2s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{color:#04121a; background:linear-gradient(90deg,var(--cyan),var(--blue)); box-shadow:var(--glow);}
.btn-primary:hover{box-shadow:0 0 46px -4px rgba(56,189,248,.8);}
.btn-ghost{color:var(--text); background:var(--panel); border:1px solid var(--panel-brd);}
.btn-ghost:hover{border-color:var(--cyan);}
.btn-ghost{color:var(--text); background:var(--panel); border:1px solid var(--panel-brd);}
.btn-ghost:hover{border-color:var(--cyan);}

/* ---------- Sections ---------- */
section.block{position:relative; z-index:1; padding:46px 0;}
.section-head{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:22px; flex-wrap:wrap;}
.section-head h2{font-size:1.4rem; margin:0;}
.section-head .eyebrow{color:var(--muted); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;}

/* ---------- Cards ---------- */
.grid{display:grid; gap:18px;}
.grid.cols-4{grid-template-columns:repeat(4,1fr);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
.card{background:var(--glass); border:1px solid var(--panel-brd); border-radius:var(--radius);
  padding:18px; backdrop-filter:blur(12px); display:flex; flex-direction:column; transition:transform .18s ease, border-color .18s ease;}
.card:hover{transform:translateY(-4px); border-color:rgba(56,189,248,.4); box-shadow:0 0 30px -10px rgba(56,189,248,.5);}
.card .thumb{height:130px; border-radius:12px; margin-bottom:14px; overflow:hidden; background:
  linear-gradient(135deg,rgba(59,130,246,.18),rgba(124,92,255,.14)); display:flex; align-items:center; justify-content:center;}
.card .thumb img{width:100%; height:100%; object-fit:cover;}
.card .thumb .ph{color:rgba(159,212,255,.45); font-size:1.6rem;}
.card h3{font-size:1.05rem; margin:0 0 6px;}
.card p{color:var(--muted); font-size:.88rem; margin:0 0 12px; flex-grow:1;}
.tags{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:12px;}
.tag{font-size:.68rem; padding:3px 9px; border-radius:99px; background:rgba(59,130,246,.14); color:#bcd6ff; border:1px solid rgba(59,130,246,.3);}
.tag.sp{background:rgba(52,211,153,.12); color:#9ff0d3; border-color:rgba(52,211,153,.28);}
.card .card-btn{margin-top:auto; align-self:flex-start;}
.featured-flag{font-size:.62rem; color:#04121a; background:var(--cyan); padding:2px 8px; border-radius:99px; font-weight:700; margin-left:8px;}

/* directory */
.dir-card{cursor:pointer;}
.subfolders{display:grid; grid-template-columns:repeat(2,1fr); gap:8px; margin-top:12px;}
.subfolder{background:var(--panel); border:1px solid var(--panel-brd); border-radius:10px; padding:9px 12px; font-size:.82rem;}

/* blog */
.blog-body{white-space:pre-line; color:#c7d4ea; margin-top:16px;}

/* ad slots */
.ad-slot{margin:26px 0; min-height:60px; border:1px dashed rgba(90,170,255,.18); border-radius:12px;
  display:flex; align-items:center; justify-content:center; color:var(--muted); font-size:.78rem;}
.ad-slot[data-filled="1"]{border-style:solid; border-color:var(--panel-brd);}
.ad-slot.hidden{display:none;}

/* states */
.skeleton{background:linear-gradient(90deg,rgba(90,170,255,.05),rgba(90,170,255,.12),rgba(90,170,255,.05));
  background-size:200% 100%; animation:sk 1.3s infinite; border-radius:12px; height:180px;}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}
.empty{color:var(--muted); text-align:center; padding:40px; border:1px dashed var(--panel-brd); border-radius:var(--radius);}

/* toast */
#toasts{position:fixed; bottom:20px; left:50%; transform:translateX(-50%); z-index:200; display:flex; flex-direction:column; gap:10px; align-items:center;}
.toast{background:var(--glass); border:1px solid var(--panel-brd); backdrop-filter:blur(12px);
  padding:12px 18px; border-radius:12px; font-size:.88rem; box-shadow:var(--shadow); animation:toastIn .25s ease;}
.toast.ok{border-color:rgba(56,211,159,.5);}
.toast.err{border-color:rgba(255,107,107,.5);}
@keyframes toastIn{from{opacity:0; transform:translateY(10px)}to{opacity:1; transform:translateY(0)}}

/* footer */
footer.site{position:relative; z-index:1; border-top:1px solid var(--panel-brd); margin-top:40px; padding:26px 0; color:var(--muted); font-size:.85rem;}
footer.site .wrap{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap;}
footer.site b{color:var(--text);}

/* modal (blog detail) */
.modal-overlay{position:fixed; inset:0; z-index:150; background:rgba(2,4,9,.72); backdrop-filter:blur(6px);
  display:none; align-items:flex-start; justify-content:center; padding:40px 16px; overflow:auto;}
.modal-overlay.show{display:flex;}
.modal{background:var(--bg-2); border:1px solid var(--panel-brd); border-radius:var(--radius);
  max-width:720px; width:100%; padding:28px; box-shadow:var(--shadow);}
.modal h2{margin-top:0;}
.modal .meta{color:var(--muted); font-size:.82rem; margin-bottom:8px;}
.modal-close{float:right; background:var(--panel); border:1px solid var(--panel-brd); color:var(--text); border-radius:99px; width:34px; height:34px; cursor:pointer;}

/* ---------- Drawer (side menu) ---------- */
.menu-toggle{display:inline-grid; place-items:center; width:42px; height:42px; flex:none; border-radius:12px;
  border:1px solid var(--panel-brd); background:var(--panel); color:var(--text); cursor:pointer;}
.menu-toggle:hover{border-color:var(--cyan);}
.drawer-scrim{position:fixed; inset:0; z-index:80; background:rgba(2,4,9,.62); backdrop-filter:blur(4px);
  opacity:0; visibility:hidden; transition:opacity .3s ease, visibility .3s ease;}
.drawer-scrim.open{opacity:1; visibility:visible;}
.drawer{position:fixed; top:0; right:0; height:100%; width:86%; max-width:380px; z-index:81;
  background:rgba(6,9,16,.96); backdrop-filter:blur(18px); border-left:1px solid var(--panel-brd);
  transform:translateX(100%); transition:transform .32s cubic-bezier(.22,1,.36,1); display:flex; flex-direction:column;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex; align-items:center; justify-content:space-between; padding:16px 18px; border-bottom:1px solid var(--panel-brd);}
.drawer-head b{font-size:.9rem; letter-spacing:.06em; color:#9fd4ff;}
.drawer-close{width:36px;height:36px; border-radius:10px; border:1px solid var(--panel-brd); background:var(--panel); color:var(--text); cursor:pointer;}
.drawer-nav{flex:1; overflow-y:auto; padding:10px;}
.drawer-link{display:flex; align-items:center; gap:12px; padding:12px 14px; border-radius:12px; color:#cdd8ee; font-size:.9rem; cursor:pointer;}
.drawer-link:hover{background:rgba(56,189,248,.1); color:#fff;}
.drawer-link .ic{width:18px; text-align:center; flex:none;}
.drawer-section-label{font-size:.68rem; text-transform:uppercase; letter-spacing:.12em; color:var(--muted); padding:14px 14px 6px;}
.drawer-apps{display:flex; flex-direction:column; gap:2px;}
.drawer-sub{margin:2px 8px 6px; display:grid; grid-template-columns:1fr 1fr; gap:6px; padding:8px; border:1px solid var(--panel-brd); border-radius:12px; background:rgba(255,255,255,.02);}
.drawer-chip{font-size:.74rem; padding:7px 8px; border-radius:9px; border:1px solid var(--panel-brd); background:var(--panel); color:#cdd8ee; cursor:pointer; text-align:center; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.drawer-chip:hover{border-color:var(--cyan); color:#fff;}
.drawer-foot{padding:12px; border-top:1px solid var(--panel-brd);}
.drawer-user{display:flex; align-items:center; gap:10px; font-size:.82rem; color:var(--muted);}
.drawer-user b{color:var(--text); font-weight:600;}

/* ---------- Browse by System ---------- */
.sys-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:12px;}
.sys-card{background:var(--glass); border:1px solid var(--panel-brd); border-radius:16px; padding:16px 12px; text-align:center; cursor:pointer; transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;}
.sys-card:hover{transform:translateY(-3px); border-color:rgba(56,189,248,.4); box-shadow:0 0 24px -10px rgba(56,189,248,.5);}
.sys-ic{width:46px; height:46px; margin:0 auto 10px; border-radius:12px; display:grid; place-items:center; font-size:1.4rem;
  border:1px solid rgba(56,189,248,.25); background:rgba(56,189,248,.06); overflow:hidden;}
.sys-ic img{width:100%; height:100%; object-fit:cover;}
.sys-card h4{font-size:.82rem; margin:0 0 3px; line-height:1.25; word-break:break-word;}
.sys-card .count{font-size:.72rem; color:var(--muted);}

/* medicine detail rows */
.med-detail{margin-top:16px;}
.med-row{display:grid; grid-template-columns:160px 1fr; gap:14px; padding:10px 0; border-top:1px solid var(--panel-brd); font-size:.9rem;}
.med-row:first-child{border-top:none;}
.med-row b{color:var(--muted); font-weight:600; font-size:.78rem; text-transform:uppercase; letter-spacing:.04em;}
.med-row span{color:var(--text);}

/* ---------- scroll-reveal motion (AM Network motion standard) ----------
 * transform + opacity only (GPU-accelerated), fast-in/slow-out easing,
 * one signature moment (particle intro) + quiet disciplined reveals elsewhere,
 * staggered children, reduced-motion fully respected (handled in JS + here). */
.reveal{opacity:0; transform:translateY(28px); filter:blur(4px);
  transition:opacity .6s cubic-bezier(.22,1,.36,1), transform .6s cubic-bezier(.22,1,.36,1), filter .6s cubic-bezier(.22,1,.36,1);}
.reveal.in-view{opacity:1; transform:none; filter:blur(0);}
.stagger-item{opacity:0; transform:translateY(22px);
  transition:opacity .5s cubic-bezier(.22,1,.36,1), transform .5s cubic-bezier(.22,1,.36,1);}
.stagger-item.in-view{opacity:1; transform:none;}
.card{transition:transform .18s cubic-bezier(.34,1.56,.64,1), border-color .18s ease, opacity .5s cubic-bezier(.22,1,.36,1), filter .5s ease;}
@media (prefers-reduced-motion: reduce){
  .reveal, .stagger-item{opacity:1 !important; transform:none !important; filter:none !important; transition:none !important;}
}
@media (max-width:960px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr);}
  .grid.cols-3{grid-template-columns:repeat(2,1fr);}
  .sys-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:680px){
  .nav-search{order:3; max-width:none; flex-basis:100%;}
  .nav{flex-wrap:wrap;}
  .grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr;}
  .subfolders{grid-template-columns:1fr;}
  .sys-grid{grid-template-columns:repeat(2,1fr);}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important; transition:none!important;} html{scroll-behavior:auto;}}