:root{
  --bg:#f6f7f9; --panel:#ffffff; --ink:#14202e; --muted:#5b6b7c; --line:#dde3ea;
  --accent:#1f5fbf; --accent-ink:#ffffff; --hero1:#0d1b2e; --hero2:#17375e; --hero-ink:#eaf1fb;
  --c1:#2f6fd6; --c2:#e07b1f; --c3:#2a9d8f; --c4:#b8458f; --c5:#7a7f87;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0b121b; --panel:#121c28; --ink:#e6edf5; --muted:#8fa1b4; --line:#233245;
    --accent:#5b9bf0; --accent-ink:#08111c; --hero1:#07101a; --hero2:#0f2744;
    --c1:#5b9bf0; --c2:#f0a050; --c3:#4cc2b2; --c4:#d977b6; --c5:#a0a6ae;
  }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent);text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
nav{background:var(--hero1);color:var(--hero-ink)}
nav .wrap{display:flex;align-items:center;gap:24px;height:56px}
nav .brand{font-weight:700;letter-spacing:.02em;color:var(--hero-ink)}
nav .brand span{opacity:.6;font-weight:400}
nav .links{display:flex;gap:20px;margin-left:auto;font-size:15px;flex-wrap:wrap}
nav .links a{color:var(--hero-ink);opacity:.8}
nav .links a:hover{opacity:1}
.hero{background:linear-gradient(160deg,var(--hero1),var(--hero2));color:var(--hero-ink);padding:48px 0 40px}
.hero .grid{display:grid;grid-template-columns:1fr 1.25fr;gap:32px;align-items:center}
.hero h1{font-size:clamp(28px,4vw,40px);line-height:1.15;margin:0 0 12px}
.hero p{margin:0 0 20px;opacity:.85;max-width:46ch}
.search{display:flex;gap:8px;margin-bottom:12px}
.search input{flex:1;min-width:0;padding:12px 14px;border-radius:8px;border:1px solid transparent;font:inherit;background:#fff;color:#14202e}
.btn{display:inline-block;padding:12px 18px;border-radius:8px;background:var(--accent);color:var(--accent-ink);font-weight:600;border:0;font:inherit;font-weight:600;cursor:pointer}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.35);color:var(--hero-ink)}
.chips{display:flex;gap:8px;flex-wrap:wrap;font-size:14px}
.chip{padding:3px 10px;border-radius:99px;border:1px solid rgba(255,255,255,.3);color:var(--hero-ink);opacity:.85}
.plotcard{background:var(--panel);border-radius:12px;padding:12px 12px 6px;color:var(--ink);box-shadow:0 8px 30px rgba(0,0,0,.3)}
.plotcard .cap{font-size:13px;color:var(--muted);padding:2px 6px 0}
#hero-plot{height:320px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:32px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.stat b{display:block;font-size:26px;font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--muted)}
section{padding:44px 0 0}
h2{font-size:22px;margin:0 0 4px}
.sub{color:var(--muted);margin:0 0 20px}
.species{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.sp{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;display:block;color:var(--ink)}
.sp:hover{border-color:var(--accent)}
.sp .f{font-size:20px;font-weight:700}
.sp .n{font-size:12px;color:var(--muted)}
.sp .bar{height:4px;border-radius:2px;margin-top:8px;background:linear-gradient(90deg,var(--c1),var(--c2),var(--c3),var(--c4),var(--c5));opacity:.8}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}
.step .num{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:14px;margin-bottom:8px}
.step h3{margin:0 0 4px;font-size:17px}
.step p{margin:0;color:var(--muted);font-size:15px}
.shapes{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.shape{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center;font-size:14px}
.shape svg{width:56px;height:56px;display:block;margin:0 auto 6px;stroke:var(--c1);fill:none;stroke-width:2}
.two{display:grid;grid-template-columns:1.2fr 1fr;gap:14px}
.box{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}
.box h3{margin:0 0 8px;font-size:17px}
pre{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px;font-size:13px;overflow:auto}
.box ul{margin:0;padding-left:18px;color:var(--muted);font-size:15px}
footer{margin-top:56px;border-top:1px solid var(--line);padding:24px 0 40px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between}
.note{background:#fff7e0;color:#5a4400;border-bottom:1px solid #ecd68a;font-size:13px;text-align:center;padding:6px 16px}
@media(max-width:800px){
  .hero .grid,.two{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .shapes{grid-template-columns:repeat(2,1fr)}
  nav .wrap{height:auto;padding:12px 16px;flex-wrap:wrap;gap:8px}
  nav .links{margin-left:0;gap:14px}
}

/* --- additions for dynamic pages --- */
nav .links a[aria-current]{opacity:1;border-bottom:2px solid var(--accent)}
.notice{background:var(--panel);border:1px dashed var(--line);border-radius:10px;padding:14px 16px;color:var(--muted)}
.page{padding:32px 0 0}
.page h1{font-size:28px;margin:0 0 4px}
.layout{display:grid;grid-template-columns:260px 1fr;gap:20px;align-items:start}
.filters{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px;position:sticky;top:12px}
.filters h3{margin:0 0 6px;font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.filters label{display:block;font-size:15px}
.filters fieldset{border:0;padding:0;margin:0 0 14px}
.filters input[type=number]{width:80px;padding:4px 6px;font:inherit;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:6px}
table.data{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:14px}
table.data th,table.data td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line)}
table.data th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
#cmp-plot{height:460px;background:var(--panel);border:1px solid var(--line);border-radius:10px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.toolbar select,.toolbar .btn{padding:8px 12px}
@media(max-width:800px){.layout{grid-template-columns:1fr}.filters{position:static}}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:16px 0 12px;flex-wrap:wrap}
.tabs a{padding:8px 14px;border:1px solid transparent;border-bottom:0;border-radius:8px 8px 0 0;color:var(--muted)}
.tabs a:hover{color:var(--ink)}
.tabs a.on{background:var(--panel);border-color:var(--line);color:var(--ink);font-weight:600;margin-bottom:-1px}
.tabs small{color:var(--muted);font-weight:400}

.hero p{max-width:70ch;font-size:18px;margin-bottom:54px}
.hero .search{max-width:640px}

.btn.small{padding:4px 12px;font-size:13px}
dialog#viewer{border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--ink);padding:14px;width:min(680px,96vw)}
dialog#viewer::backdrop{background:rgba(0,0,0,.55)}
.vhead{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
#vcanvas{width:100%;height:auto;aspect-ratio:4/3;background:var(--bg);border-radius:8px;cursor:grab;touch-action:none}
#vcanvas:active{cursor:grabbing}
.vcap{margin:8px 0 0;font-size:13px;color:var(--muted)}
.shape{display:block;color:var(--ink)}
.shape canvas{display:block;width:100%;max-width:160px;height:auto;aspect-ratio:1;margin:8px auto 2px}
.shape small{display:block;color:var(--muted);font-size:12px}

.sp.soon{opacity:.5;border-style:dashed;cursor:default}
.sp.soon:hover{border-color:var(--line)}
.sp.soon .bar{background:var(--line)}
.fullbox{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.fullbox p{margin:0;color:var(--muted)}
.btn[aria-disabled=true]{opacity:.45;pointer-events:none}
.box label{display:block;font-size:15px}
.curvelist{max-height:340px;overflow:auto;border:1px solid var(--line);border-radius:10px}
.curvelist table.data{border:0;border-radius:0}

canvas.thumb{width:44px;height:44px;vertical-align:middle;margin-right:8px;cursor:pointer}
.hero{position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:1}
.hero-fx{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}

/* home page blocks: framed panels (style "A"), cards inside are recessed */
main.wrap > section{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 26px;margin-top:22px;box-shadow:0 1px 3px rgba(20,32,46,.07)}
main.wrap > section h2{margin:0 0 4px}
main.wrap > section .sub{margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line)}
main.wrap > section .sp,main.wrap > section .step,main.wrap > section .shape,main.wrap > section .box{background:var(--bg)}
.shapes{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}   /* fills the row whatever the number of shapes */
a.chip{text-decoration:none}
a.chip:hover{opacity:1;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}

/* links inside the hero sit on the dark blue: the default accent blue vanishes there */
.hero p a{color:#a9cdff;font-weight:600;text-decoration:underline;text-decoration-color:rgba(169,205,255,.45);text-decoration-thickness:1.5px;text-underline-offset:4px;transition:color .15s,text-decoration-color .15s}
.hero p a:hover{color:#fff;text-decoration-color:#fff}
.hero p a[href^="http"]::after{content:" ↗";font-size:.8em;font-weight:400}

/* accounts */
.authbox{max-width:440px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 28px;box-shadow:0 1px 3px rgba(20,32,46,.07)}
.authbox h1{font-size:24px;margin:0 0 12px}
.authbox label{display:block;font-size:14px;color:var(--muted);margin-bottom:12px}
.authbox label small{font-weight:400}
.authbox input:not([type=hidden]){display:block;width:100%;margin-top:4px;padding:10px 12px;font:inherit;font-size:16px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}
.authbox input:focus{outline:2px solid var(--accent);outline-offset:1px}
.authbox .sub{margin:14px 0 0}
.notice.ok{border-style:solid;border-color:#2a9d8f;color:var(--ink)}
.notice.err{border-style:solid;border-color:#c0392b;color:var(--ink)}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
nav .links form.logout{display:inline;margin:0}
nav .links .linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--hero-ink);opacity:.8;cursor:pointer}
nav .links .linkbtn:hover{opacity:1}
nav .links .who{margin-left:8px;padding-left:16px;border-left:1px solid rgba(255,255,255,.25)}
form.inline{display:inline}
.sp.locked{border-style:dashed}
.sp.locked .f::before{content:"🔒 ";font-size:.7em}
.authbox h1+.sub{margin:0 0 16px}

/* account forms: one clear column with room between the fields */
.authbox{max-width:480px;padding:32px 34px}
.authbox h1{margin-bottom:6px}
.authbox form{display:flex;flex-direction:column;gap:20px;margin-top:20px}
.authbox label{margin:0;font-size:14px;font-weight:600;color:var(--ink)}
.authbox label small{font-weight:400;color:var(--muted)}
.authbox input:not([type=hidden]){margin-top:8px;padding:12px 14px;font-weight:400}
.authbox .btn{align-self:stretch;margin-top:6px;padding:13px 18px;text-align:center}
.authbox h1+.sub{margin:0}
.authbox .notice{margin:16px 0 0}

/* species cards: extended name on top, chemical formula below */
.species{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.sp .f{font-size:20px;line-height:1.2;margin-bottom:4px}
.sp .chem{font-size:16px;color:var(--ink);opacity:.85}
.sp.soon .chem{color:inherit}
sub{font-size:.7em;line-height:0}

/* bigger species cards: name (sans, bold) and formula (serif) at the same size */
.species{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.sp{padding:20px 22px 18px;min-height:150px;display:flex;flex-direction:column}
.sp .f{font-size:24px;line-height:1.2;margin:0 0 2px}
.sp .chem{display:block;font-family:Georgia,"Times New Roman","STIX Two Text",serif;font-size:24px;line-height:1.3;font-weight:400;color:var(--ink);opacity:1;margin-bottom:10px}
.sp .n{font-size:13px;margin-top:auto}
.sp .bar{margin-top:12px}
.sp.soon .chem{color:inherit}

/* shape names: each keyword has its own colour wherever it appears */
.shp{font-weight:700;color:var(--k,inherit)}
.shp-sphere{--k:color-mix(in srgb,var(--c1) 85%,var(--ink))}
.shp-compact{--k:color-mix(in srgb,var(--c3) 85%,var(--ink))}
.shp-elongated{--k:color-mix(in srgb,var(--c2) 85%,var(--ink))}
.shp-porous{--k:color-mix(in srgb,var(--c4) 85%,var(--ink))}

/* plot page: two cards, Y-axis (what to plot) and X-axis (unit and interval) */
.sidebar{display:flex;flex-direction:column;gap:16px}
.sidebar .filters{position:static}
.filters.card{padding:16px 18px}
.filters.card h2{font-size:17px;margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.filters select{max-width:100%;padding:5px 8px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:6px}
.interval{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.interval input{width:100%;min-width:0}
.unitname{text-transform:none;letter-spacing:0;color:var(--ink);font-weight:700}

.swatch{display:inline-block;width:16px;height:6px;border-radius:3px;vertical-align:middle}
.curvelist.selected{max-height:260px}
.lbl{width:100%;min-width:170px;padding:5px 8px;font:inherit;font-size:13px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:6px}
input.clr{width:34px;height:26px;padding:0;border:1px solid var(--line);border-radius:6px;background:none;cursor:pointer;vertical-align:middle}
.clrcell{white-space:nowrap}
.rst{margin-left:6px;border:0;background:none;color:var(--muted);font-size:16px;cursor:pointer;vertical-align:middle}
.rst:hover{color:var(--ink)}
select.wid{padding:4px 6px;font:inherit;font-size:13px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:6px}
.qrow{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.qrow label{margin:0}
select.qdash{padding:3px 6px;font-size:13px}

.infopanel{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:14px 20px;margin:16px 0 22px;max-width:760px}
.infopanel p{margin:6px 0 0;color:var(--muted)}

/* cite page: every paper is a framed container with its own header strip */
.paper{background:var(--panel);border:2px solid var(--line);border-left:6px solid var(--accent);border-radius:14px;padding:0 0 16px;margin:0 0 26px;box-shadow:0 2px 8px rgba(20,32,46,.09);max-width:900px;overflow:hidden}
.paper > *:not(.phead){margin-left:24px;margin-right:24px}
.phead{display:flex;justify-content:space-between;align-items:center;padding:8px 24px;margin:0 0 16px;background:var(--bg);border-bottom:1px solid var(--line);font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.pnum{color:var(--accent)}
.paper h2{font-size:19px;line-height:1.3;margin-top:0;margin-bottom:8px}
.paper h2 a{color:var(--ink)}
.paper h2 a:hover{color:var(--accent)}
.paper .authors{margin-top:0;margin-bottom:6px;color:var(--ink)}
.paper .where{margin-top:0;margin-bottom:12px;color:var(--muted);font-size:15px}
.paper .links{margin-top:0;margin-bottom:8px;display:flex;gap:8px;flex-wrap:wrap}
.paper .links a{padding:3px 14px;border:1px solid var(--line);border-radius:99px;background:var(--bg);font-size:14px;font-weight:600}
.paper summary{cursor:pointer;color:var(--accent);font-size:14px;font-weight:600;margin-top:4px}
.paper details .copy{float:right;margin-top:8px}
.paper pre{margin:10px 0 0;white-space:pre-wrap;word-break:break-word}
.paper .status{margin-top:0;margin-bottom:12px}
.paper .status span{display:inline-block;padding:3px 12px;border-radius:99px;font-size:14px;font-weight:700;color:color-mix(in srgb,var(--c3) 75%,var(--ink));background:color-mix(in srgb,var(--c3) 14%,transparent);border:1px solid color-mix(in srgb,var(--c3) 45%,transparent)}

/* cite: when and why to cite each paper */
.citewhen{margin-top:14px !important;padding:12px 16px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:10px;background:color-mix(in srgb,var(--accent) 7%,var(--panel))}
.citewhen p{margin:0 0 4px}
.citewhen .why{color:var(--muted);font-size:15px;margin:0}
.cwlabel{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}

/* about page */
ul.plain{margin:0;padding-left:20px}
ul.plain li{margin:4px 0}
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.person{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px 16px;display:flex;flex-direction:column;gap:2px;font-weight:600}
.person small{font-weight:400;color:var(--accent)}
main.wrap > section h3{font-size:16px;margin:4px 0 8px}

/* paper cards: text on the left, snapshot of the first page on the right */
.paper{max-width:1000px}
.pgrid{display:grid;grid-template-columns:1fr 210px;gap:26px;align-items:start}
.pcover{display:block;color:var(--muted);font-size:12px;text-align:center;text-decoration:none}
.pcover img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:4px;box-shadow:0 3px 10px rgba(20,32,46,.18);background:#fff;transition:transform .15s}
.pcover:hover img{transform:translateY(-2px)}
.pcover span{display:block;margin-top:6px}
@media(max-width:760px){.pgrid{grid-template-columns:1fr}.pcover{max-width:220px;margin:0 auto}}

/* bigger first-page snapshots, to match the height of the cards */
.pgrid{grid-template-columns:1fr 285px}
.paper{max-width:1060px}
@media(max-width:760px){.pgrid{grid-template-columns:1fr}.pcover{max-width:260px;margin:0 auto}}

/* about: releases */
.release{display:flex;gap:18px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line)}
.release:first-of-type{border-top:0;padding-top:4px}
.rver{min-width:96px;font-size:20px;font-weight:700;color:var(--accent);display:flex;flex-direction:column;gap:2px}
.rver small{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:color-mix(in srgb,var(--c3) 75%,var(--ink))}
.rinfo{display:flex;flex-direction:column;gap:2px}
.rdate{font-weight:600}
.rwhat,.rdoi,.rnotes{color:var(--muted);font-size:15px}

/* hero ("Ink blue", a touch brighter): fonts and layout as in scenario B, colours below.
   Plain Ink blue: nav #0f1d33, bg #14263f -> #1b3556, rule #4c8bd6, title #f4f8fd / #8fb8ee, text #bcd0e8, link #8fc0ff, button #2f6fd6, light #d6e8ff, particle #5b9bf0 */
nav{background:#112240}
.hero{--fx-ray:220,236,255;--fx-warm:229,241,255;--fx-halo:220,236,255;--fx-beam:234,244,255;
      --fx-base:22,43,69;--fx-mid:102,166,247;--fx-low:51,83,124;--fx-dark:12,20,30;
      background:linear-gradient(180deg,#172b47,#1f3d63);border-bottom:3px solid #5597e6}
.hero h1{font-family:Inter,"Segoe UI",Roboto,system-ui,sans-serif;font-weight:500;letter-spacing:-.022em;font-size:clamp(30px,4.2vw,50px);line-height:1.15;
         color:#f6f9fd;margin:0 0 18px;text-wrap:balance}
.hero h1 em{font-style:normal;font-weight:400;color:#9cc3f5}
.hero h1::after{content:"";display:block;width:100%;max-width:560px;height:1px;margin-top:18px;background:color-mix(in srgb,#5597e6 55%,transparent)}
.hero p{color:#c3d5ec}
.hero p a{color:#9ccaff;text-decoration-color:color-mix(in srgb,#9ccaff 50%,transparent)}
.hero .search input{border-radius:3px;background:#11161b;color:#e8edf2;border:1px solid color-mix(in srgb,#5597e6 55%,#475566)}
.hero .search input::placeholder{color:#8796a6}
.hero .btn{background:#3577e0;border-radius:3px}
.hero .chip{border:0;border-left:1px solid color-mix(in srgb,#c3d5ec 30%,transparent);border-radius:0;padding:0 14px;color:color-mix(in srgb,#c3d5ec 80%,transparent)}
.hero .chip:first-child{border-left:0;padding-left:0}
a.chip:hover{background:none;color:#e8edf2}

/* home: news */
.news-item{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--line)}
.news-item:first-of-type{border-top:0;padding-top:2px}
.ndate{color:var(--muted);font-size:14px;padding-top:2px}
.ntitle{font-weight:700;margin-bottom:2px}
.ntext{color:var(--muted);font-size:15px}
.ntype{display:inline-block;padding:1px 9px;margin-right:6px;border-radius:99px;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;vertical-align:middle;
       color:var(--k);background:color-mix(in srgb,var(--k) 13%,transparent);border:1px solid color-mix(in srgb,var(--k) 40%,transparent)}
.ntype-data{--k:color-mix(in srgb,var(--c1) 85%,var(--ink))}
.ntype-paper{--k:color-mix(in srgb,var(--c3) 85%,var(--ink))}
@media(max-width:700px){.news-item{grid-template-columns:1fr;gap:2px}}

/* home, closing card: same text style in paragraphs and lists */
main.wrap > section .box p{color:var(--muted);font-size:15px;margin:0 0 10px}
main.wrap > section .box p:last-child{margin-bottom:0}
main.wrap > section .box ul{margin:0 0 12px}

/* admin: to-do list */
ul.todo{list-style:none;margin:0 0 14px;padding:0}
.todo li{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.todo li:first-child{border-top:0}
.todo label{display:flex;gap:10px;align-items:baseline;cursor:pointer}
.todo .tarea{flex:none;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);border-radius:99px;padding:1px 9px}
.todo li.done .t{text-decoration:line-through;opacity:.5}
.todo li.done .tarea{opacity:.5}
.todo .x{border:0;background:none;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}
.todo .x:hover{color:#c0392b}
.todo-add{display:flex;gap:8px;flex-wrap:wrap}
.todo-add input{flex:1;min-width:220px;padding:8px 12px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}
.todo-add select{padding:8px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}

/* brand: logo + two-line name */
nav .brand{display:flex;align-items:center;gap:12px;letter-spacing:0;font-weight:400}
nav .brand .logo{flex:none;display:block}
nav .brand .bname{display:flex;flex-direction:column;line-height:1.1;opacity:1;font-weight:400}
nav .brand .bname b{font-size:19px;font-weight:600;letter-spacing:-.01em;color:#f6f9fd}
nav .brand .bname span{font-size:12px;font-weight:400;letter-spacing:.02em;opacity:1;color:#9cc3f5;margin-top:2px}
@media(max-width:520px){nav .brand .bname span{display:none}}

/* admin: access statistics */
.astats{margin:0 0 16px}
.astats .stat b{font-size:24px}
.bars{display:flex;align-items:flex-end;gap:3px;height:70px;margin:0 0 18px;padding:6px 8px;background:var(--bg);border:1px solid var(--line);border-radius:10px}
.bars span{flex:1;background:var(--accent);opacity:.75;border-radius:2px 2px 0 0;min-height:2px}
.bars span:hover{opacity:1}
.lists{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:6px 22px}
.lists h3{font-size:14px;margin:6px 0}
.lists h3 small{font-weight:400;color:var(--muted)}
table.mini{font-size:14px}
table.mini td{padding:5px 8px}
table.mini td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;width:56px}

/* account page: wide enough for the download history */
.authbox.wide{max-width:900px}
.authbox.wide form{max-width:440px}
.authbox.wide .curvelist table.data{font-size:14px}
.authbox .btn.small{align-self:flex-start;width:auto;padding:6px 16px;margin-top:0}

/* admin: edit a to-do item */
.todo .acts{display:flex;gap:6px;align-items:center;flex:none}
.todo .edit{color:var(--muted);font-size:16px;line-height:1;text-decoration:none}
.todo .edit:hover{color:var(--accent)}
.todo li.editing{display:block}
.todo-edit{display:flex;gap:8px;flex-wrap:wrap;align-items:center;width:100%}
.todo-edit input{flex:1;min-width:240px;padding:8px 12px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--accent);border-radius:8px}
.todo-edit select{padding:8px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}
.todo-edit .cancel{color:var(--muted);font-size:14px}

/* news: a third kind, and the admin forms */
.ntype-new-collaborator{--k:color-mix(in srgb,var(--c4) 85%,var(--ink))}
.newsform{display:grid;grid-template-columns:220px 200px 1fr;gap:12px 16px;margin:0 0 6px}
.newsform label{display:flex;flex-direction:column;gap:4px;font-size:14px;font-weight:600}
.newsform label small{font-weight:400;color:var(--muted)}
.newsform .full{grid-column:1 / -1}
.newsform input,.newsform select,.newsform textarea{padding:9px 12px;font:inherit;font-weight:400;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;width:100%}
.newsform textarea{resize:vertical}
.newsform.editing{padding:14px;border:1px solid var(--accent);border-radius:10px;margin:8px 0;background:color-mix(in srgb,var(--accent) 5%,var(--panel))}
.news-item .nact{display:flex;gap:8px;align-items:flex-start;grid-column:3}
.news-item:has(.nact){grid-template-columns:130px 1fr auto}
.news-item .nact .edit{color:var(--muted);font-size:16px;text-decoration:none}
.news-item .nact .edit:hover{color:var(--accent)}
.news-item .nact .x{border:0;background:none;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}
.news-item .nact .x:hover{color:#c0392b}
@media(max-width:700px){.newsform{grid-template-columns:1fr}}

/* admin: data tab */
ol.plain{margin:0;padding-left:22px}
ol.plain li{margin:4px 0}
.bad{color:#c0392b;font-weight:600}
#host-check table td:first-child{width:260px;color:var(--muted)}

/* admin: cite tab */
.newsform.paperform{grid-template-columns:repeat(3,1fr)}
.paperform input[type=file]{padding:7px 10px}
.newsform label.check{flex-direction:row;align-items:center;gap:8px;font-weight:400}
.newsform label.check input{width:auto}
.lookup{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.lookup input{flex:1;min-width:260px;padding:9px 12px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}
@media(max-width:700px){.newsform.paperform{grid-template-columns:1fr}}

/* about: acknowledgments at the end of the database card */
.ack{margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}
.ack h3{margin:0 0 4px}
.ack p{color:var(--muted);font-size:14.5px;margin:0 0 9px}
.ack p:nth-of-type(1){font-size:13.5px;margin-bottom:12px}
.ack.ack-home{margin-top:0;padding-top:0;border-top:0}
.ack.ack-home p{font-size:14.5px}

/* cite: the "cite this paper" sentence lives in the card header; BibTeX is a visible code box */
.phead{gap:14px}
.phead .pwhen{flex:1;min-width:0;font-size:15px;font-weight:700;letter-spacing:0;text-transform:none;color:var(--ink);line-height:1.35}
.phead .pnum,.phead .ptype{flex:none}
@media(max-width:760px){.phead{flex-wrap:wrap}.phead .pwhen{order:3;flex-basis:100%}}
.bibbox{margin:14px 0 4px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--bg)}
.bibhead{display:flex;justify-content:space-between;align-items:center;padding:6px 8px 6px 12px;background:color-mix(in srgb,var(--accent) 9%,var(--panel));border-bottom:1px solid var(--line);font-size:13px}
.bibhead strong{letter-spacing:.04em;text-transform:uppercase;color:var(--accent)}
.bibbox pre{margin:0;border:0;border-radius:0;background:transparent;padding:10px 12px;font-size:12.5px;line-height:1.5}
.paper .bibbox pre{margin:0}

/* cite: collapsed cards (header strip + title), a click opens the whole card */
details.paper{padding:0}
details.paper > summary{list-style:none;cursor:pointer;display:block}
details.paper > summary::-webkit-details-marker{display:none}
details.paper > summary .phead{margin-bottom:12px}
details.paper > summary .ptitle{margin:0 24px 16px;font-size:19px;line-height:1.3}
details.paper > summary:hover .ptitle{color:var(--accent)}
details.paper:not([open]) > summary .phead{margin-bottom:12px}
details.paper[open] > summary .ptitle{display:none}
details.paper[open] > summary .phead{margin-bottom:16px}
.chev{flex:none;width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translateY(-2px);transition:transform .15s;margin-left:2px}
details.paper[open] .chev{transform:rotate(-135deg) translateY(-2px)}
details.paper > summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:12px}
.paper h2.pfull{margin-top:0}
details.paper > summary{margin-left:0 !important;margin-right:0 !important}

/* cite: the instruction is a full-width coloured band; the title is secondary */
details.paper > summary .cband{display:flex;align-items:center;gap:14px;padding:13px 22px;background:var(--accent);color:var(--accent-ink)}
.cband .clabel{flex:none;font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;padding:3px 10px;border-radius:99px;background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.45)}
.cband .ctext{flex:1;min-width:0;font-size:17px;font-weight:700;line-height:1.35}
.cband .chev{border-color:var(--accent-ink);margin-right:2px}
details.paper > summary .ctitlerow{padding:12px 24px 16px}
.ctitlerow .cmeta{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
details.paper > summary .ptitle{margin:0;font-size:17px;font-weight:600;color:var(--ink)}
details.paper > summary:hover .ptitle{color:var(--ink)}
details.paper > summary:hover .cband{filter:brightness(1.08)}
details.paper[open] > summary .ctitlerow{display:none}
details.paper[open] > summary .cband{margin-bottom:18px}
details.paper{overflow:hidden}

/* cite cards: the band fills the card exactly (no gap above, no thick left border behind it), and the open card has room at the bottom */
details.paper{border-left:2px solid var(--line)}
details.paper > summary{margin-top:0 !important}
details.paper[open]{padding-bottom:24px}
details.paper[open] .pgrid{margin-bottom:0}

/* admin: to-do priority, written in the title of each item */
.todo .tprio{flex:none;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:1px 9px;border-radius:99px;border:1px solid transparent}
.todo .tprio-top{background:#c0392b;color:#fff}
.todo .tprio-medium{background:color-mix(in srgb,#d99a2b 22%,transparent);color:color-mix(in srgb,#a86a00 85%,var(--ink));border-color:color-mix(in srgb,#d99a2b 55%,transparent)}
.todo .tprio-low{background:color-mix(in srgb,var(--muted) 14%,transparent);color:var(--muted);border-color:color-mix(in srgb,var(--muted) 35%,transparent)}
.todo li.done .tprio{opacity:.5}
.todo-edit select,.todo-add select{max-width:130px}

/* downloads: the Python card */
pre.usage{margin:10px 0 0;padding:10px 12px;font-size:12.5px;line-height:1.5;white-space:pre-wrap}
.fullbox .stack{display:flex;flex-direction:column;gap:8px;align-items:stretch;min-width:210px}
.btn.ghostb{background:transparent;color:var(--accent);border:1px solid var(--accent);text-align:center}
.fullbox code{font-size:13px}
.fullbox > div:first-child{flex:1 1 460px;min-width:0}

/* downloads: what the files contain */
.box.formats{margin:0 0 22px;max-width:1000px;background:var(--panel)}
.formats h3{margin:0 0 6px}
.formats h4{margin:0 0 4px;font-size:15px}
.formats h4 small{font-weight:400;color:var(--muted);margin-left:4px}
.formats p{margin:0 0 8px;color:var(--muted);font-size:15px}
.formats p b,.formats p i{color:var(--ink)}
.formats .fnote{font-size:14px}
.formats code{font-size:13px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:14px 0}
.fcard{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.fcard pre.usage{margin:8px 0;background:var(--panel);font-size:12px}
.fcard table.mini{margin:6px 0 8px}
@media(max-width:820px){.fgrid{grid-template-columns:1fr}}

/* "what the files contain": a collapsible card whose closed state is a single band, as on the Cite page */
details.box.formats{padding:0;overflow:hidden;border-radius:12px;max-width:1000px;margin:0 0 22px}
details.formats > summary{list-style:none;cursor:pointer;display:block}
details.formats > summary::-webkit-details-marker{display:none}
details.formats > summary .cband{display:flex;align-items:center;gap:14px;padding:12px 20px;background:var(--accent);color:var(--accent-ink)}
details.formats > summary:hover .cband{filter:brightness(1.08)}
details.formats[open] .chev{transform:rotate(-135deg) translateY(-2px)}
details.formats > summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.formats .fbody{padding:18px 22px 20px}
.formats .fbody > p:first-child{margin-top:0}

/* the info panel and the files card span the page, like every other card */
.page .infopanel,details.box.formats,.box.formats{max-width:none}

/* admin: role of an account */
.role-admin{display:inline-block;padding:1px 9px;border-radius:99px;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 40%,transparent)}