:root{
  --paper:#f6f1e4; --card:#fffdf6; --ink:#1d2a22; --muted:#5c6b60; --line:#ddd3bb;
  --leaf:#1f4d36; --leaf-2:#2f7a52; --leaf-soft:#e3eedf; --amber:#b5651d; --amber-soft:#f6e6d2;
  --apg:#2f6f8f; --apg-soft:#e0eef4; --bh:#8a4b2d; --bh-soft:#f3e4d8;
  --radius:14px; --shadow:0 1px 2px rgba(40,30,10,.06),0 4px 14px rgba(40,30,10,.06);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#141a16; --card:#1c241f; --ink:#e8efe7; --muted:#9db0a2; --line:#2e3a32;
    --leaf:#8fd1a8; --leaf-2:#6bbf8d; --leaf-soft:#22362a; --amber:#e3a565; --amber-soft:#3a2c1e;
    --apg:#8cc5e2; --apg-soft:#1d313b; --bh:#e4a98a; --bh-soft:#3a281f;
    --shadow:none;
  }
}
:root[data-theme="dark"]{
  --paper:#141a16; --card:#1c241f; --ink:#e8efe7; --muted:#9db0a2; --line:#2e3a32;
  --leaf:#8fd1a8; --leaf-2:#6bbf8d; --leaf-soft:#22362a; --amber:#e3a565; --amber-soft:#3a2c1e;
  --apg:#8cc5e2; --apg-soft:#1d313b; --bh:#e4a98a; --bh-soft:#3a281f; --shadow:none;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 Inter,"Noto Sans Devanagari",system-ui,sans-serif}
a{color:var(--leaf-2)}
h1,h2,h3{font-family:Fraunces,Georgia,serif;font-weight:700;line-height:1.2;margin:0 0 .4em}
h1{font-size:clamp(1.7rem,6vw,2.4rem)} h2{font-size:1.35rem} h3{font-size:1.08rem}
i.sci,.sci{font-family:Fraunces,Georgia,serif;font-style:italic;font-weight:500}
.hi{font-family:"Noto Sans Devanagari",Inter,sans-serif}
main{max-width:860px;margin:0 auto;padding:16px 16px 40px;outline:none}

.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;
  padding:10px 16px;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink)}
.brand span{display:flex;flex-direction:column;line-height:1.1}
.brand b{font-family:Fraunces,serif;font-size:1.15rem}
.brand small{font-size:.72rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.topbar nav a{color:var(--ink);text-decoration:none;font-weight:500;padding:8px 10px;border-radius:10px}
.topbar nav a:hover{background:var(--leaf-soft)}

.hero{padding:18px 0 6px}
.hero p{color:var(--muted);margin:.2em 0 1em;max-width:36em}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin:14px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 18px;
  font:600 1rem Inter,sans-serif;cursor:pointer;background:var(--leaf);color:#fff;min-height:46px;text-decoration:none}
:root[data-theme="dark"] .btn:not(.ghost){color:#10201a}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .btn:not(.ghost){color:#10201a} }
.btn.ghost{background:transparent;color:var(--leaf);border:1.5px solid var(--leaf)}
.btn.block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>.btn{flex:1 1 140px}

.shots{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px;margin:12px 0}
.shot{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--paper)}
.shot img{display:block;width:100%;aspect-ratio:1;object-fit:cover}
.shot select{width:100%;border:0;border-top:1px solid var(--line);background:var(--card);color:var(--ink);padding:6px;font:500 .85rem Inter,sans-serif}
.shot .x{position:absolute;top:4px;right:4px;width:28px;height:28px;border-radius:50%;border:0;background:rgba(0,0,0,.6);color:#fff;font-size:16px;cursor:pointer}
.tip{font-size:.88rem;color:var(--muted);margin:.4em 0 0}

.search{display:flex;gap:8px}
.search input{flex:1;min-width:0;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);color:var(--ink);font:1rem Inter,"Noto Sans Devanagari",sans-serif}
.search input:focus{outline:2px solid var(--leaf-2);border-color:transparent}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.pcard{display:block;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}
.pcard:hover{border-color:var(--leaf-2)}
.pcard .sci{display:block;font-size:1.02rem}
.pcard small{color:var(--muted);display:block;margin-top:2px}

.result{display:flex;gap:12px;align-items:flex-start}
.result img{width:76px;height:76px;object-fit:cover;border-radius:10px;flex:none;background:var(--paper)}
.result .body{flex:1;min-width:0}
.bar{height:8px;border-radius:6px;background:var(--line);overflow:hidden;margin:6px 0 2px}
.bar i{display:block;height:100%;background:var(--leaf-2)}
.pill{display:inline-block;font-size:.76rem;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--leaf-soft);color:var(--leaf)}
.pill.warn{background:var(--amber-soft);color:var(--amber)}

.namehead{margin:10px 0 4px}
.namehead .sci{font-size:clamp(1.6rem,6.5vw,2.2rem);font-weight:500}
.namehead .auth{color:var(--muted);font-family:Inter,sans-serif;font-style:normal;font-size:1rem;margin-left:6px}
.commons{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 4px}
.commons span{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:.9rem}

.tabs{display:flex;gap:6px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:4px;margin:4px 0 12px}
.tabs button{flex:1;border:0;background:transparent;color:var(--muted);padding:9px 6px;border-radius:9px;font:600 .9rem Inter,sans-serif;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--card);color:var(--ink);box-shadow:var(--shadow)}

.tree{list-style:none;margin:0;padding:0}
.tree li{display:grid;grid-template-columns:132px 1fr;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line)}
.tree li:last-child{border-bottom:0}
.tree .rk{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding-top:2px}
.tree .nm{font-weight:600}
.sys-bh .tree .nm{color:var(--bh)} .sys-apg .tree .nm{color:var(--apg)}
.sysbadge{display:inline-block;font:700 .72rem Inter,sans-serif;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:6px;margin-bottom:8px}
.sys-bh .sysbadge{background:var(--bh-soft);color:var(--bh)} .sys-apg .sysbadge{background:var(--apg-soft);color:var(--apg)}

table.cmp{width:100%;border-collapse:collapse;font-size:.92rem}
table.cmp th,table.cmp td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
table.cmp th{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
table.cmp td.b{color:var(--bh);font-weight:600} table.cmp td.a{color:var(--apg);font-weight:600}
.scroll{overflow-x:auto}

.note{border-left:4px solid var(--amber);background:var(--amber-soft);padding:10px 12px;border-radius:8px;margin:10px 0;font-size:.95rem}
.formula{font-size:1.15rem;letter-spacing:.02em;background:var(--leaf-soft);padding:10px 12px;border-radius:10px;overflow-x:auto;white-space:nowrap}
.formula small{font-size:.75rem;color:var(--muted);letter-spacing:0}
.ovl{text-decoration:overline}
dl.morph{margin:0} dl.morph dt{font-weight:600;margin-top:10px} dl.morph dd{margin:2px 0 0}
ul.uses{margin:6px 0 0;padding-left:20px}
.links a{margin-right:14px;font-weight:500}

.loader{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 0;color:var(--muted)}
.spin{width:42px;height:42px;border-radius:50%;border:4px solid var(--leaf-soft);border-top-color:var(--leaf-2);animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.err{background:var(--amber-soft);color:var(--ink);border-radius:12px;padding:12px 14px}

.famlist li{grid-template-columns:1fr 1fr}
.foot{max-width:860px;margin:0 auto;padding:18px 16px 40px;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}
.foot .fine{font-size:.76rem}
.back{display:inline-block;margin:6px 0;text-decoration:none;font-weight:500}
@media (max-width:420px){ .tree li{grid-template-columns:104px 1fr} }
.result .ph{width:76px;height:76px;border-radius:10px;flex:none;background:var(--leaf-soft);display:grid;place-items:center;font-size:30px}
.stats{font-size:.9rem;color:var(--muted)}
.stats b{color:var(--leaf)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:500;font-size:.92rem}
.chip:hover{border-color:var(--leaf-2)}
.chip span{font-size:.75rem;background:var(--leaf-soft);color:var(--leaf);border-radius:999px;padding:1px 7px}
.ref{font-size:.85rem;color:var(--muted);margin:10px 0 0;border-top:1px dashed var(--line);padding-top:8px}
.verify ul{list-style:none;margin:0;padding:0}
.verify li{padding:6px 0 6px 26px;position:relative;font-size:.92rem;border-bottom:1px dashed var(--line)}
.verify li:last-child{border-bottom:0}
.verify li::before{position:absolute;left:0;top:6px;font-weight:700}
.verify li.ok::before{content:"✓";color:var(--leaf-2)}
.verify li.na::before{content:"•";color:var(--amber)}
.famrow{display:block;text-decoration:none;color:var(--ink);padding:12px 14px;margin:8px 0}
.famrow:hover{border-color:var(--leaf-2)}
.famrow .fh{display:flex;justify-content:space-between;align-items:center;gap:8px}
.famrow h3{margin:0}
.famrow h3 small{font-weight:400;color:var(--muted)}
.famrow .fl{display:grid;grid-template-columns:60px 1fr;gap:8px;font-size:.88rem;margin-top:4px;font-weight:500}
.famrow .rk{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding-top:2px}
h1 small.alt{font-family:Inter,sans-serif;font-size:.9rem;font-weight:400;color:var(--muted)}
.commons em{font-style:normal;color:var(--muted);font-size:.8em}

/* ---------- hero banner ---------- */
.vf-hero{position:relative;display:grid;grid-template-columns:1fr 200px;gap:18px;align-items:start;overflow:hidden;color:#fff;
  border-radius:20px;padding:26px 24px;margin:14px 0 6px;background:radial-gradient(120% 140% at 100% 0%,#3d8f5f 0%,#1f5c3c 45%,#123826 100%);box-shadow:0 12px 30px rgba(18,56,38,.25)}
.vf-hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 2px,transparent 2px 22px);pointer-events:none}
.vf-hero-text{position:relative;min-width:0}
.vf-kicker{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.04em;color:#cfeedd;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 12px}
.vf-hero h1{color:#fff;margin:12px 0 2px;font-size:clamp(1.8rem,6vw,2.6rem)}
.vf-hi{font-size:clamp(1.15rem,3.6vw,1.45rem);font-weight:600;color:#ffd29e;margin:0 0 10px}
.vf-lede{color:#e2f3e8;margin:0 0 8px;max-width:40em}
.vf-lede b{color:#fff}
.vf-id{margin:16px 0 14px;padding:14px;border-radius:16px;background:rgba(0,0,0,.18);border:1.5px dashed rgba(255,255,255,.28);transition:background .2s,border-color .2s}
.vf-id.over{background:rgba(255,255,255,.14);border-color:#ffd29e}
.vf-id .shots{margin:0 0 10px}
.vf-id .shots:empty{display:none}
.vf-id .shot select{color:var(--ink)}
.vf-tip{font-size:.85rem;color:#cfeedd;margin:8px 0 0}
.vf-facts{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.vf-facts li{font-size:.84rem;background:rgba(0,0,0,.2);border-radius:999px;padding:5px 11px}
.vf-facts b{color:#ffd29e}
.vf-art{position:relative;padding-top:20px}.vf-art svg{width:100%;height:auto;display:block}
@media (max-width:700px){.vf-hero{grid-template-columns:1fr;padding:22px 16px}.vf-art{display:none}}
@media (pointer:coarse){.desk{display:none}}

.btn svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn.light{background:#fff;color:#1f4d36;border:0}
.btn.light:hover{background:#eaf6ee}
.btn.gold{background:#f0b37a;color:#1d2a22;margin-top:10px;font-size:1.05rem}
.btn.gold:hover:not([disabled]){background:#ffc78f}
.btn.gold[disabled]{opacity:.6}
.muted{color:var(--muted);font-weight:400;font-size:.8em}

/* ---------- webcam (computers) ---------- */
.cam-modal{position:fixed;inset:0;z-index:50;background:rgba(10,20,14,.75);display:grid;place-items:center;padding:16px}
.cam-card{background:var(--card);color:var(--ink);border-radius:16px;padding:14px;width:min(640px,100%);box-shadow:0 20px 50px rgba(0,0,0,.4)}
.cam-card video{width:100%;border-radius:10px;background:#000;aspect-ratio:4/3;object-fit:cover;display:block}
.cam-msg{font-size:.9rem;color:var(--muted);margin:10px 2px}

/* ---------- banner on every page ---------- */
.vf-page{grid-template-columns:1fr 170px;padding:22px 24px}
.vf-page h1{font-size:clamp(1.6rem,5vw,2.3rem)}
.vf-page h1 small.alt{color:#cfeedd;font-size:.55em}
.vf-page .vf-facts{margin:4px 0 0}
.vf-page .vf-cta{width:auto;margin-top:14px;display:inline-flex}
.vf-back{display:inline-block;color:#cfeedd;text-decoration:none;font-weight:500;margin:0 12px 8px 0}
.vf-back:hover{color:#fff;text-decoration:underline}
.vf-plant .namehead{margin:0;display:block}
.vf-plant .namehead .sci{color:#fff;font-size:1em}
.vf-plant .namehead .auth{color:#cfeedd;font-size:.5em}
@media (max-width:700px){.vf-page{grid-template-columns:1fr}}