:root{
  --orange:#ee4623;
  --orange-soft:#f37d65;
  --peach:#fbdad3;
  --ink:#0c0402;
  --ink-2:#241d1b;
  --panel:rgba(36,29,27,.72);
  --field:#140a07;
  --line:rgba(255,255,255,.12);
  --line-2:rgba(255,255,255,.07);
  --text:rgba(255,255,255,.85);
  --muted:rgba(255,255,255,.55);
  --bad:#ff8a73;
  --head:"Montserrat",system-ui,sans-serif;
  --body:"Poppins",system-ui,sans-serif;
  --caps:"Hanken Grotesk","Montserrat",system-ui,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--ink);color-scheme:dark}
body{min-height:100vh;display:flex;flex-direction:column;background:var(--ink);color:var(--text);
  font:400 15px/1.55 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.sr{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Backdrop, same as the hub */
.hero{position:relative;isolation:isolate;overflow:hidden;
  background:
    radial-gradient(55% 60% at 85% 0%, rgba(238,70,35,.34), transparent 70%),
    linear-gradient(180deg,#1a100d 0%, var(--ink) 100%)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px, transparent 1.3px);background-size:14px 14px;
  -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 40%,transparent 100%);
          mask-image:linear-gradient(180deg,transparent 0%,#000 40%,transparent 100%);opacity:.3}

header{padding:22px 0}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.logo{display:block;height:26px;width:auto}
.crumb{font:700 12px/1 var(--caps);letter-spacing:.16em;text-transform:uppercase;color:var(--orange-soft);
  padding-left:14px;border-left:1px solid var(--line)}
.back{font:500 13px/1 var(--body);color:var(--muted);text-decoration:none;border:1px solid var(--line);
  border-radius:999px;padding:9px 14px;white-space:nowrap}
.back:hover{color:#fff;border-color:rgba(238,70,35,.6)}

.intro{padding-top:18px;padding-bottom:30px;text-align:center}
h1{font:500 clamp(28px,4.4vw,46px)/1.15 var(--head);color:#fff;letter-spacing:-.01em}
h1 span{font-weight:400;color:var(--peach)}
.lede{max-width:640px;margin:12px auto 0;color:var(--muted)}

.quick{display:block;position:relative;max-width:680px;margin:24px auto 0}
.quick input{width:100%;background:var(--ink);border:1px solid rgba(238,70,35,.5);border-radius:999px;
  padding:16px 22px 16px 50px;font:400 17px/1.3 var(--body);color:#fff;outline:none;transition:border-color .2s,box-shadow .2s}
.quick input::placeholder{color:var(--muted)}
.quick input:focus{border-color:var(--orange-soft);box-shadow:0 0 0 4px rgba(238,70,35,.18)}
.quick svg{position:absolute;left:21px;top:50%;transform:translateY(-50%);width:17px;height:17px;
  stroke:var(--orange-soft);fill:none;stroke-width:2;pointer-events:none}
.qres{min-height:30px;margin-top:12px;font-size:15px;color:var(--muted)}
.qres b{font:600 20px/1.3 var(--head);color:#fff}
.qres button{margin-left:10px}

/* Layout */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:28px;align-items:start;padding:8px 0 70px}
.side{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow:auto;padding-right:4px;scrollbar-width:thin}
.side .navtoggle{display:none}
.grp{border-bottom:1px solid var(--line-2)}
.grp:last-child{border-bottom:0}
.ghead{display:flex;align-items:center;gap:8px;width:100%;background:none;border:0;cursor:pointer;text-align:left;
  padding:12px 10px;border-radius:10px;font:700 11px/1.2 var(--caps);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.ghead:hover{color:#fff}
.ghead:focus-visible{outline:2px solid var(--orange-soft);outline-offset:-2px}
.ghead span:first-child{flex:1}
.grp.has-on .ghead{color:var(--peach)}
.gcount{font:500 11px/1 var(--body);letter-spacing:0;color:var(--muted);background:rgba(255,255,255,.06);border-radius:999px;padding:3px 7px}
.chev{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin:0 4px 3px 2px;transition:transform .15s}
.grp.open .chev{transform:rotate(-135deg);margin-bottom:-2px}
.glist{padding:0 0 10px}
.nav a{display:block;padding:7px 10px;border-radius:10px;text-decoration:none;color:var(--text);font-size:14px;line-height:1.3}
.nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav a.on{background:rgba(238,70,35,.16);color:#fff;box-shadow:inset 2px 0 0 var(--orange)}
.nav .none{color:var(--muted);font-size:14px;padding:6px 10px}
.prefs{border-top:1px solid var(--line);padding:14px 10px 4px;font-size:13px;color:var(--muted)}
.prefs label{display:flex;align-items:center;justify-content:space-between;gap:10px}
.prefs label + label{margin-top:10px}
.prefs select{width:auto;padding:6px 30px 6px 12px;background-position:right 9px center}

/* Panels */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.panel + .panel{margin-top:20px}
.ptitle{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
h2{font:600 24px/1.25 var(--head);color:#fff}
h4{font:600 16px/1.3 var(--head);color:#fff;margin:0 0 12px}
.desc{color:var(--muted);margin-top:4px;font-size:14px}
.sec{margin-top:24px;padding-top:22px;border-top:1px solid var(--line-2)}
.note{font-size:13px;color:var(--muted);margin-top:12px}
.note.err{color:var(--bad)}

/* Form controls */
input,select,textarea{width:100%;background:var(--field);border:1px solid var(--line);border-radius:12px;
  padding:11px 13px;color:#fff;outline:none;transition:border-color .15s,box-shadow .15s}
select{cursor:pointer;appearance:none;-webkit-appearance:none;padding-right:34px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f37d65' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;background-size:14px}
select option{background:#1b1210;color:#fff}
textarea{min-height:120px;resize:vertical;font:400 14px/1.5 var(--mono)}
input:focus,select:focus,textarea:focus{border-color:var(--orange-soft);box-shadow:0 0 0 3px rgba(238,70,35,.16)}
input.bad,textarea.bad{border-color:var(--bad)}
input.calc{border-style:dashed}
input[type=color]{padding:4px;height:46px;cursor:pointer}
input[type=date],input[type=datetime-local],input[type=time]{min-height:46px}
.num{font:500 18px/1.3 var(--body)}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field > label,.lbl{font-size:13px;color:var(--muted)}
.field .hint{font-size:12px;color:var(--muted)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 16px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px 16px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.params{display:flex;flex-wrap:wrap;gap:14px 16px;margin-bottom:18px}
.params .field{flex:1 1 160px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;
  border:1px solid rgba(238,70,35,.55);background:rgba(238,70,35,.12);color:var(--peach);
  border-radius:999px;padding:9px 16px;font:500 14px/1 var(--body);white-space:nowrap;transition:background .15s,border-color .15s}
.btn:hover{background:rgba(238,70,35,.25);border-color:var(--orange-soft);color:#fff}
.btn.solid{background:var(--orange);border-color:var(--orange);color:#fff}
.btn.solid:hover{background:#ff5a37}
.btn.sm{padding:6px 11px;font-size:13px}
.btn:focus-visible,.icon-btn:focus-visible,.nav a:focus-visible{outline:2px solid var(--orange-soft);outline-offset:2px}
.icon-btn{display:inline-grid;place-items:center;width:30px;height:30px;flex:none;cursor:pointer;
  border-radius:8px;border:1px solid transparent;background:none;color:var(--muted)}
.icon-btn:hover{color:#fff;border-color:var(--line);background:rgba(255,255,255,.04)}
.icon-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.icon-btn.done{color:var(--orange-soft)}

/* Unit converter */
.conv{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:14px;align-items:end;margin-top:20px}
.side-io{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.side-io .num{font-size:22px;padding:13px 15px}
.swap{width:46px;height:46px;border-radius:50%;margin-bottom:56px}
.swap svg{width:18px;height:18px}
.formula{margin-top:16px;font-size:14px;color:var(--muted)}
.formula b{color:var(--text);font-weight:500}

.tablehead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:26px 0 10px;flex-wrap:wrap}
.tablehead input{width:220px;padding:8px 12px;font-size:14px}
.tablehead select{width:auto;padding-top:8px;padding-bottom:8px;font-size:14px}
.outs{display:grid;grid-template-columns:minmax(0,1fr);border:1px solid var(--line-2);border-radius:14px;overflow:hidden}
.out{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) auto;gap:12px;align-items:center;
  padding:9px 10px 9px 16px;border-top:1px solid var(--line-2)}
.out:first-child{border-top:0}
.out:nth-child(even){background:rgba(255,255,255,.02)}
.out.click{cursor:pointer}
.out.click:hover{background:rgba(238,70,35,.08)}
.out.sel{background:rgba(238,70,35,.14)}
.ol{font-size:14px;color:var(--text);min-width:0}
.ol small{display:block;color:var(--muted);font-size:12px}
.ov{font:500 15px/1.35 var(--body);color:#fff;text-align:right;overflow-wrap:anywhere}
.ov.mono{font-family:var(--mono);font-size:14px}
.outs.wide .out{grid-template-columns:minmax(0,1fr) minmax(0,2.2fr) auto}

table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th,table.t td{padding:9px 12px;text-align:right;border-top:1px solid var(--line-2)}
table.t th:first-child,table.t td:first-child{text-align:left}
table.t thead th{font:700 11px/1 var(--caps);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);border-top:0}
table.t td{color:#fff}
table.t td:first-child{color:var(--text)}
table.t tbody tr:hover{background:rgba(255,255,255,.03)}
.tscroll{overflow-x:auto;border:1px solid var(--line-2);border-radius:14px}

.big{font:600 30px/1.2 var(--head);color:#fff;overflow-wrap:anywhere}
.swatch{height:120px;border-radius:14px;border:1px solid var(--line)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:5px 6px 5px 12px;font-size:13px}
.tz{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1.6fr) auto auto;gap:12px;align-items:center;
  padding:10px 10px 10px 16px;border-top:1px solid var(--line-2)}
.tz:first-child{border-top:0}
.tz .when{color:#fff;font-weight:500;text-align:right}
.tz .off{font-size:12px;color:var(--muted);text-align:right;white-space:nowrap}
.tag-d{font-size:11px;color:var(--orange-soft);margin-left:6px}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;pointer-events:none;
  background:#fff;color:var(--ink);border-radius:999px;padding:9px 18px;font-size:14px;font-weight:500;
  transition:opacity .2s,transform .2s;z-index:10}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

footer{border-top:1px solid var(--line);padding:24px 0;font-size:13px;color:var(--muted);margin-top:auto}
footer .wrap{display:flex;justify-content:space-between;gap:10px 24px;flex-wrap:wrap}
footer a{text-decoration:none}
footer a:hover{color:#fff}

@media (max-width:980px){
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .layout{grid-template-columns:minmax(0,1fr);gap:16px}
  .side{position:static;max-height:none;overflow:visible;padding:0}
  .side .navtoggle{display:flex;width:100%;justify-content:space-between;border-radius:14px;padding:13px 16px}
  .side .navbody{display:none;margin-top:12px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px 8px 8px}
  .side.open .navbody{display:block}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  header{padding:16px 0}
  .logo{height:22px}
  .crumb{display:none}
  .intro{padding-top:8px;padding-bottom:22px}
  .panel{padding:18px;border-radius:16px}
  .conv{grid-template-columns:minmax(0,1fr)}
  .swap{margin:0 auto;transform:rotate(90deg)}
  .grid2,.grid3,.grid4{grid-template-columns:minmax(0,1fr)}
  .out{grid-template-columns:minmax(0,1fr) auto;padding-left:12px}
  .out .ov{grid-column:1/2;text-align:left;grid-row:2}
  .out .icon-btn{grid-row:1/3;grid-column:2}
  .outs.wide .out{grid-template-columns:minmax(0,1fr) auto}
  .tablehead input{width:100%}
  .tz{grid-template-columns:minmax(0,1fr) auto;row-gap:2px}
  .tz .when{grid-column:1/2;text-align:left}
  .tz .off{grid-column:1/2;text-align:left}
  .tz .icon-btn{grid-row:1/4;grid-column:2}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}