:root{
  --bg:#0b0f14; --bg2:#10161f; --card:#141c28; --card2:#182231; --line:#243145;
  --txt:#e8eef6; --muted:#9db0c3; --accent:#37d67a; --accent2:#ffb02e; --accent-d:#1fae5c;
  --danger:#ff5d5d; --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.65 "Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
h1{font-size:2.35rem;line-height:1.15;margin:.2em 0 .35em}
h2{font-size:1.55rem;margin:1.6em 0 .5em;line-height:1.25}
h3{font-size:1.15rem;margin:1.2em 0 .4em}
p{margin:.55em 0}
.muted{color:var(--muted)}
.lede{font-size:1.13rem;color:#cfe0f0;max-width:760px}
code{background:var(--card2);padding:.1em .35em;border-radius:6px;font-size:.92em}

/* header */
.site-header{background:linear-gradient(180deg,#0e1622,#0b0f14);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.header-in{display:flex;align-items:center;gap:22px;padding:12px 0}
.logo{font-weight:800;font-size:1.28rem;color:var(--txt);letter-spacing:.2px;white-space:nowrap}
.logo span{color:var(--accent)}
.logo:hover{text-decoration:none}
.main-nav{display:flex;gap:4px;margin-left:auto}
.main-nav a{color:var(--txt);padding:8px 13px;border-radius:9px;font-weight:600;font-size:.97rem;white-space:nowrap}
.main-nav a:hover{background:var(--card2);text-decoration:none}
.main-nav a[aria-current]{background:var(--accent-d);color:#fff}

/* hero + tool */
.hero{padding:34px 0 8px;text-align:left}
.hero .kicker{display:inline-block;background:var(--card2);border:1px solid var(--line);color:var(--accent2);
  font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.tool-shell{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;margin:20px 0 8px;box-shadow:0 12px 34px rgba(0,0,0,.35)}
.tool-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.tool-tabs a{background:var(--card2);color:var(--txt);border:1px solid var(--line);padding:9px 16px;
  border-radius:999px;font-weight:700;font-size:.95rem}
.tool-tabs a:hover{text-decoration:none;border-color:var(--accent)}
.tool-tabs a.on{background:var(--accent-d);border-color:var(--accent-d);color:#fff}
.tool-grid{display:block}
.tool-hint{color:var(--muted)}
.pair-row{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap}
.pair-cell{flex:1;min-width:230px}
.pair-cell label,.field-label{display:block;font-weight:700;margin-bottom:7px;font-size:.95rem}
.pair-mid{align-self:center;font-size:1.5rem;color:var(--muted);padding-top:30px}
.btn{display:inline-block;border-radius:10px;padding:11px 20px;font-weight:700;font-size:.98rem;border:1px solid transparent;cursor:pointer}
.btn-solid{background:var(--accent-d);color:#fff}
.btn-solid:hover{background:#25c163;text-decoration:none}
.btn-ghost{background:transparent;color:var(--accent);border-color:var(--accent)}
.btn-ghost:hover{text-decoration:none;background:rgba(55,214,122,.08)}
.btn-small{padding:7px 13px;font-size:.9rem}

/* picker */
.picker{position:relative}
.picker-btn{width:100%;display:flex;align-items:center;gap:10px;background:var(--card2);color:var(--txt);
  border:1px solid var(--line);border-radius:11px;padding:9px 12px;cursor:pointer;font:inherit;text-align:left}
.picker-btn:hover{border-color:var(--accent)}
.picker-btn-inner{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.picker-caret{color:var(--muted)}
.picker-ph{color:var(--muted)}
.picker-sel{display:flex;flex-direction:column;line-height:1.25}
.picker-sel small{color:var(--muted)}
.picker-panel{position:absolute;left:0;right:0;top:calc(100% + 6px);background:var(--card);border:1px solid var(--line);
  border-radius:12px;z-index:80;box-shadow:0 18px 40px rgba(0,0,0,.5);overflow:hidden}
.picker-search{width:100%;background:var(--bg2);border:0;border-bottom:1px solid var(--line);color:var(--txt);
  padding:12px 14px;font:inherit;outline:none}
.picker-list{max-height:320px;overflow:auto;padding:6px}
.picker-list[data-empty="1"]::after{content:"No Pal matches that search.";display:block;color:var(--muted);padding:12px}
.picker-opt{display:flex;align-items:center;gap:10px;width:100%;background:transparent;border:0;color:var(--txt);
  padding:7px 9px;border-radius:9px;cursor:pointer;font:inherit;text-align:left}
.picker-opt:hover{background:var(--card2)}
.picker-opt small{margin-left:auto;color:var(--muted)}

/* pal tiles + cards */
.tile{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:11px;
  font-weight:800;font-size:.92rem;color:#0d1117;flex:none;letter-spacing:.02em}
.tile.sm{width:30px;height:30px;border-radius:8px;font-size:.72rem}
.pal-mini{display:flex;align-items:center;gap:11px;background:var(--card2);border:1px solid var(--line);
  border-radius:12px;padding:9px 13px;color:var(--txt);min-width:0}
.pal-mini:hover{text-decoration:none;border-color:var(--accent)}
.pal-mini.is-result{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.pal-mini-txt{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.pal-mini-txt small{color:var(--muted)}
.pair-eq{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}
.pair-eq .pal-mini{flex:1;min-width:190px}
.op{font-size:1.35rem;color:var(--muted);font-weight:800}
.result-note{color:#cfe0f0;background:var(--card2);border:1px solid var(--line);border-radius:11px;padding:12px 15px}
.gender-note{background:var(--card2);border:1px solid var(--accent2);border-radius:11px;padding:6px 18px 12px;margin-top:14px}
.gender-note li{margin:.35em 0}
.combo-list{margin:12px 0}
.combo-row{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.combo-row .pal-mini{flex:1;min-width:170px}
.badge{background:var(--card2);border:1px solid var(--line);color:var(--muted);font-size:.76rem;font-weight:700;
  padding:3px 9px;border-radius:999px;white-space:nowrap}
.badge-special{color:#14100a;background:var(--accent2);border-color:var(--accent2)}
.gender-txt{color:var(--accent2);width:100%}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--card2);border:1px solid var(--line);
  border-radius:999px;padding:4px 8px 4px 5px;font-weight:600;font-size:.92rem}
.chip button{background:transparent;border:0;color:var(--muted);font-size:1.05rem;cursor:pointer;line-height:1;padding:2px 4px}
.chip button:hover{color:var(--danger)}
.chain-steps{list-style:none;padding:0;margin:14px 0}
.chain-steps li{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:9px 0;border-bottom:1px solid var(--line)}
.chain-steps .pal-mini{flex:1;min-width:160px}
.step-n{background:var(--accent-d);color:#fff;font-weight:800;border-radius:50%;width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;flex:none}
select,.txtin{background:var(--card2);color:var(--txt);border:1px solid var(--line);border-radius:9px;padding:9px 11px;font:inherit}
.txtin{width:100%;max-width:420px}

/* content */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin:16px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:17px}
.card h3{margin-top:0}
.card p{color:var(--muted);font-size:.95rem}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{color:#cfe0f0;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
th[data-sort]{cursor:pointer}
th[data-sort]:hover{color:var(--accent)}
tbody tr:hover{background:rgba(255,255,255,.02)}
.table-scroll{overflow-x:auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:4px 17px;margin:9px 0}
.faq summary{cursor:pointer;font-weight:700;padding:9px 0}
.faq details p{color:#cfe0f0}
.callout{background:var(--card);border:1px solid var(--accent-d);border-radius:var(--radius);padding:16px 20px;margin:20px 0}
.stat-band{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.stat{flex:1;min-width:140px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;text-align:center}
.stat b{display:block;font-size:1.6rem;color:var(--accent)}
.stat span{color:var(--muted);font-size:.88rem}
.fact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:14px 0}
.fact{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:12px 15px}
.fact b{display:block;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}
.pager-nav{display:flex;justify-content:space-between;gap:12px;margin:22px 0;flex-wrap:wrap}
footer.site-footer{border-top:1px solid var(--line);margin-top:44px;padding:26px 0 34px;color:var(--muted);font-size:.92rem;background:var(--bg2)}
footer .cols{display:flex;gap:34px;flex-wrap:wrap}
footer a{color:#cfe0f0}
.disclaimer{margin-top:16px;font-size:.85rem}
.breadcrumb{color:var(--muted);font-size:.9rem;margin:16px 0 0}
.breadcrumb a{color:var(--muted)}

/* mobile: compact header, single scrollable nav row */
@media (max-width:760px){
  h1{font-size:1.72rem}
  h2{font-size:1.3rem}
  .header-in{flex-direction:column;align-items:stretch;gap:8px;padding:10px 0}
  .logo{font-size:1.12rem}
  .main-nav{margin-left:0;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none}
  .main-nav::-webkit-scrollbar{display:none}
  .main-nav a{padding:7px 11px;font-size:.92rem}
  .hero{padding:20px 0 4px}
  .tool-shell{padding:15px}
  .pair-mid{display:none}
  .pair-eq .pal-mini,.combo-row .pal-mini,.chain-steps .pal-mini{min-width:130px}
  .tile{width:38px;height:38px}
}