:root{
--bg:#f2f0e9;--bg-raise:#faf8f2;--card:#faf8f2;--ink:#1c2129;--muted:#43493f;
--line:#b7b0a0;--line-soft:#d5cfbe;--accent:#0b4f6c;--accent-soft:#d8e9f1;
--water:#0b4f6c;--water-soft:#cfe3ec;--sand:#8a5a1a;--sand-soft:#f0e2c8;
--focus:#1d4fd7;--radius:10px;
--font-display:"Archivo","Archivo Expanded",system-ui,sans-serif;
--font-body:"Source Serif 4",Georgia,serif;--font-data:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
[data-theme="dark"]{
--bg:#10141a;--bg-raise:#161c24;--card:#161c24;--ink:#e9e6da;--muted:#b3ae9f;
--line:#39414d;--line-soft:#262c36;--accent:#8fd0e8;--accent-soft:#12262f;
--water:#8fd0e8;--water-soft:#12262f;--sand:#e8b45f;--sand-soft:#2a2113;
--focus:#8db4ff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:1.06rem;line-height:1.62}
h1,h2,h3{font-family:var(--font-display);line-height:1.1;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(1.9rem,5vw + 1rem,3.2rem);font-weight:800;margin:.3em 0 .35em;font-stretch:expanded}
h2{font-size:clamp(1.45rem,2.6vw + .9rem,2.1rem);font-weight:750;margin:0 0 .5em;font-stretch:expanded}
h3{font-size:1.25rem;margin:0 0 .4em}
a{color:inherit;text-decoration-color:var(--accent);text-decoration-thickness:1.5px;text-underline-offset:2.5px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip:focus-visible{position:fixed!important;top:.6rem;left:.6rem;width:auto;height:auto;margin:0;padding:.6rem 1rem;overflow:visible;clip:auto;white-space:normal;background:var(--ink);color:var(--bg);font-family:var(--font-data);font-size:.85rem;text-decoration:none;border-radius:8px;z-index:200}
.wrap{max-width:1080px;margin:0 auto;padding:0 clamp(1rem,4vw,2.5rem)}
.wrap.narrow{max-width:760px}
section.block{padding:clamp(2rem,5vw,3.6rem) 0}
.kicker{font-family:var(--font-data);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 .6em}
.kicker .tick{color:var(--accent);font-weight:700}
.lede{font-size:1.14rem;max-width:62ch}
.lede strong{color:var(--accent)}
.meta{font-family:var(--font-data);font-size:.82rem;color:var(--muted)}
.fine{font-size:.95rem;color:var(--muted);max-width:70ch}
/* topbar */
.topbar{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft)}
.topbar-in{display:flex;align-items:center;gap:1rem;min-height:56px}
.brand{text-decoration:none;font-family:var(--font-display);font-size:.95rem;white-space:nowrap}
.brand small{font-weight:500;color:var(--muted)}
.jumps{display:flex;gap:.2rem;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.jumps a{font-family:var(--font-data);font-size:.78rem;text-decoration:none;color:var(--muted);padding:.7rem .6rem;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
.jumps a:hover{color:var(--ink)}
.theme-btn{border:1.5px solid var(--line);background:var(--bg);color:var(--ink);border-radius:999px;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:none;font-size:1.1rem}
/* hero */
.hero{padding-top:clamp(1.6rem,4vw,3rem)}
.answer{font-family:var(--font-display);font-weight:800;font-stretch:expanded;font-size:clamp(1.1rem,2.4vw + .8rem,1.6rem);margin:.8em 0 .2em}
.answer .num{color:var(--accent)}
/* figures */
figure{margin:1.6rem auto;max-width:800px}
figure img{width:100%;height:auto;display:block;border-radius:var(--radius);border:1px solid var(--line-soft)}
figcaption{font-size:.92rem;color:var(--muted);margin-top:.5rem}
figcaption .credit{display:block;font-family:var(--font-data);font-size:.76rem;margin-top:.2rem}
/* category bar */
.catbar{position:sticky;top:57px;z-index:40;background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft);padding:.55rem 0}
.catbar-in{display:flex;gap:.4rem;overflow-x:auto;scrollbar-width:none;padding:.1rem 0}
.seg{border:1.5px solid var(--line);background:var(--bg);color:var(--ink);border-radius:999px;padding:.55rem 1.1rem;font-family:var(--font-data);font-size:.85rem;cursor:pointer;min-height:44px;white-space:nowrap}
.seg.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
/* winner */
.winner{background:var(--card);border:1px solid var(--line-soft);border-radius:14px;padding:clamp(1.1rem,3vw,1.8rem);margin-top:1.2rem}
.winner-grid{display:grid;gap:1.2rem}
@media(min-width:760px){.winner-grid{grid-template-columns:1fr 1fr;align-items:start}}
.winner h3{font-size:clamp(1.4rem,3vw,1.9rem);margin:.1em 0 .2em}
.winner .big{font-family:var(--font-display);font-weight:800;font-stretch:expanded;font-size:clamp(1.8rem,5vw,2.6rem);color:var(--accent);margin:0;line-height:1}
.winner .big small{font-size:.45em;font-weight:600;color:var(--muted)}
.winner figure{margin:0}
.catpane{display:none}
.catpane.on{display:block}
.nojs .catpane{display:block}
/* squares viz */
.viz{background:var(--card);border:1px solid var(--line-soft);border-radius:14px;padding:clamp(1rem,3vw,1.6rem);margin-top:1.2rem}
.viz-note{font-size:.9rem;color:var(--muted);max-width:72ch;margin:.8em 0 0}
/* top list */
.ranked{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.35rem}
.ranked li{display:grid;grid-template-columns:2em 1fr auto;gap:.7rem;align-items:center;padding:.45rem .6rem;border:1px solid var(--line-soft);border-radius:8px;background:var(--bg)}
.ranked .rank{font-family:var(--font-data);font-weight:600;color:var(--accent)}
.ranked .nm{line-height:1.3}
.ranked .nm small{display:block;font-family:var(--font-data);font-size:.74rem;color:var(--muted)}
.ranked .val{font-family:var(--font-data);font-weight:600;white-space:nowrap;text-align:right}
.ranked .val small{display:block;font-weight:400;color:var(--muted);font-size:.74rem}
/* proportional squares (CSP-safe quantized widths) */
.sqgrid{display:flex;flex-wrap:wrap;gap:1rem 1.2rem;align-items:flex-end;margin-top:1rem}
.sqcell{min-width:0}
.w010{width:10px}.w020{width:20px}.w030{width:30px}.w040{width:40px}.w050{width:50px}.w060{width:60px}.w070{width:70px}.w080{width:80px}.w090{width:90px}.w100{width:100px}.w110{width:110px}.w120{width:120px}.w130{width:130px}.w140{width:140px}.w150{width:150px}.w160{width:160px}.w170{width:170px}.w180{width:180px}.w190{width:190px}.w200{width:200px}.w210{width:210px}.w220{width:220px}.w230{width:230px}.w240{width:240px}.w250{width:250px}.w260{width:260px}.w270{width:270px}.w280{width:280px}.w290{width:290px}.w300{width:300px}
.self-c{align-self:center}
.sqbox{aspect-ratio:1/1;background:var(--water);opacity:.85;border-radius:6px}
.sqbox.alt{background:var(--sand)}
.sqname{font-family:var(--font-data);font-size:.78rem;margin-top:.3em;line-height:1.3}
.sqval{font-family:var(--font-data);font-size:.74rem;color:var(--muted)}
/* comparator */
.compare{background:var(--card);border:1px solid var(--line-soft);border-radius:14px;padding:clamp(1.1rem,3vw,1.8rem);margin-top:1.2rem}
.cmpgrid{display:flex;flex-wrap:wrap;gap:1.5rem;align-items:flex-end;justify-content:center;margin-top:1rem}
.cmpcell{text-align:center;max-width:100%}
.cmpbox{background:var(--water);opacity:.85;border-radius:6px;margin:0 auto;max-width:100%;aspect-ratio:1/1}
.cmpbox.alt{background:var(--sand)}
.magnote{font-family:var(--font-data);font-size:.78rem;color:var(--muted);border:1px dashed var(--line);border-radius:8px;padding:.5em .8em;margin-top:.8em;display:inline-block}
.cmpbox.mag{display:block;margin:.4em auto 0}
.compare-grid{display:grid;gap:.8rem}
@media(min-width:700px){.compare-grid{grid-template-columns:1fr 1fr}}
.field label{display:block;font-family:var(--font-data);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:.3em}
.field select{width:100%;min-height:48px;font:inherit;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:8px;padding:.5rem .7rem}
.compare-out{margin-top:1rem;text-align:center}
.compare-out svg{width:100%;max-width:640px;height:auto}
.compare-say{font-family:var(--font-display);font-weight:700;font-size:1.1rem;margin:.6em 0 0}
/* table */
.table-tools{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0;align-items:center}
.table-tools input[type="search"]{flex:1;min-width:200px;min-height:44px;font:inherit;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:8px;padding:.5rem .8rem}
.chips{display:flex;gap:.35rem;flex-wrap:wrap}
.chip{border:1.5px solid var(--line);background:var(--bg);color:var(--ink);border-radius:999px;padding:.4rem .9rem;font-family:var(--font-data);font-size:.8rem;cursor:pointer;min-height:40px}
.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.tablewrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:12px;background:var(--card)}
table.lakes{border-collapse:collapse;width:100%;min-width:760px;font-size:.95rem}
table.lakes caption{text-align:left;padding:.9rem 1rem;font-family:var(--font-data);font-size:.8rem;color:var(--muted)}
table.lakes th,table.lakes td{padding:.5rem .7rem;border-top:1px solid var(--line-soft);text-align:left;vertical-align:top}
table.lakes thead th{border-top:0;font-family:var(--font-data);font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);white-space:nowrap}
table.lakes td.num,table.lakes th.num{text-align:right;font-family:var(--font-data);white-space:nowrap}
table.lakes td.src{font-family:var(--font-data);font-size:.78rem;color:var(--muted);white-space:nowrap}
.q{display:inline-block;min-width:1.7em;text-align:center;font-family:var(--font-data);font-size:.75rem;font-weight:600;border:1.5px solid var(--line);border-radius:6px;padding:.05em .3em}
.q-a{border-color:var(--accent);color:var(--accent)}
.q-c{border-style:dashed}
/* notes, faq, sources */
.note{border-left:4px solid var(--accent);padding:.2rem 0 .2rem 1rem;margin:1em 0;color:var(--ink)}
.twocol{display:grid;gap:1.4rem}
@media(min-width:800px){.twocol{grid-template-columns:1fr 1fr}}
.card{background:var(--card);border:1px solid var(--line-soft);border-radius:12px;padding:1.1rem 1.2rem}
.card h3{font-size:1.1rem}
details.faq{border:1px solid var(--line-soft);border-radius:10px;background:var(--card);padding:.8rem 1rem;margin:.6rem 0}
details.faq summary{cursor:pointer;font-family:var(--font-display);font-weight:700;min-height:44px}
details.faq summary::marker{color:var(--accent)}
.src-list{list-style:none;margin:1rem 0;padding:0;display:grid;gap:.5rem}
.src-list li{font-size:.93rem;border-bottom:1px dashed var(--line-soft);padding-bottom:.5rem}
.src-list .tag{font-family:var(--font-data);font-size:.74rem;color:var(--accent);border:1px solid var(--line);border-radius:6px;padding:.05em .4em;margin-right:.5em;white-space:nowrap}
/* share */
.share{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-top:1.2rem}
.btn{border:1.5px solid var(--line);background:var(--bg);color:var(--ink);border-radius:999px;padding:.6rem 1.2rem;font-family:var(--font-data);font-size:.85rem;cursor:pointer;min-height:44px;text-decoration:none;display:inline-flex;align-items:center;gap:.4em}
.btn.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn:hover{border-color:var(--ink)}
.share-text{font-family:var(--font-data);font-size:.8rem;color:var(--muted);border:1px dashed var(--line);border-radius:8px;padding:.6rem .8rem;margin-top:.8rem;max-width:70ch}
/* footer */
footer.site{border-top:1px solid var(--line-soft);padding:2rem 0 3rem;margin-top:2rem}
footer.site p{font-size:.9rem;color:var(--muted);max-width:72ch}
.coll{display:flex;gap:.8rem;flex-wrap:wrap;margin:1rem 0}
.coll a{border:1px solid var(--line-soft);border-radius:10px;padding:.8rem 1rem;text-decoration:none;background:var(--card);flex:1;min-width:220px}
.coll a strong{display:block;font-family:var(--font-display)}
.coll a span{font-size:.88rem;color:var(--muted)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}