* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
/* ToolsCrow – Unit Converters | mobile-first, namespaced (.uc-*) so it never collides with the site theme */
.uc{
  --uc-p:#165c78;
  --uc-s:#1b8190;
  --uc-a:#f0a34a;
  --uc-ink:#173042;
  --uc-mute:#647887;
  --uc-line:#dce7eb;
  --uc-bg:#f4f8f8;
  --uc-card:#fff;
  --uc-r:16px;
  --uc-sh:0 2px 4px rgba(23,48,66,.04),0 14px 34px rgba(23,48,66,.08);
  --c:var(--uc-p);
  max-width:1180px;margin:0 auto;padding:20px 16px 56px;color:var(--uc-ink);
  font-family:"DM Sans",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.6;
  -webkit-text-size-adjust:100%;
  isolation:isolate;
}
.uc *,.uc *::before,.uc *::after{box-sizing:border-box}
.uc-cat-everyday{--c:#147d8c}.uc-cat-science{--c:#cc6d35}.uc-cat-electrical{--c:#c38a21}.uc-cat-digital{--c:#3973a8}
.uc h1,.uc h2,.uc h3{font-family:"Plus Jakarta Sans",Poppins,Inter,system-ui,sans-serif;line-height:1.25;color:var(--uc-ink);margin:0;letter-spacing:0}
.uc a{color:var(--uc-p)}
.uc a:focus-visible,.uc button:focus-visible,.uc select:focus-visible,.uc input:focus-visible,.uc summary:focus-visible{outline:3px solid var(--uc-a);outline-offset:2px}

/* hero */
.uc-hero{display:flex;gap:16px;align-items:center;padding:24px 22px;border-radius:20px;color:#fff;
  background:linear-gradient(120deg,#104c67 0%,#167b86 68%,#2499a0 100%);margin:0 0 20px;position:relative;overflow:hidden;box-shadow:0 14px 30px rgba(16,76,103,.2)}
.uc-hero::after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-54px;top:-70px;box-shadow:0 0 0 22px rgba(255,255,255,.05),0 0 0 44px rgba(255,255,255,.035);pointer-events:none}
.uc-hero>div{position:relative;z-index:1}
.uc-hero .uc-hi{flex:none;width:48px;height:48px;border-radius:12px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-size:22px}
.uc-hero h1{color:#fff;font-size:1.45rem;font-weight:750;letter-spacing:-.02em}
.uc-hero p{margin:2px 0 0;opacity:.92;font-size:.95rem}

/* card + controls */
.uc-card{background:rgba(255,255,255,.96);border:1px solid var(--uc-line);border-radius:var(--uc-r);box-shadow:var(--uc-sh);padding:18px}
.uc-controls{display:grid;gap:12px;grid-template-columns:1fr;align-items:end}
.uc-field{display:flex;flex-direction:column;gap:6px;min-width:0}
.uc-field label,.uc-lab{font-size:.78rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--uc-mute)}
.uc input[type=text],.uc select{width:100%;min-height:50px;padding:10px 13px;font:inherit;font-size:16px;color:var(--uc-ink);
  background:#fbfdfd;border:1.5px solid #c5d5da;border-radius:11px;appearance:none;-webkit-appearance:none;transition:border-color .15s,box-shadow .15s,background .15s}
.uc select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235b6b80' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;text-overflow:ellipsis}
.uc input[type=text]:focus,.uc select:focus{border-color:var(--uc-s);background:#fff;box-shadow:0 0 0 3px rgba(27,129,144,.16);outline:0}
.uc input[aria-invalid=true]{border-color:#dc2626;box-shadow:0 0 0 3px rgba(220,38,38,.12)}
.uc-val{font-weight:600;font-size:18px!important}
.uc-swap{justify-self:center;width:48px;height:48px;border-radius:50%;border:1.5px solid var(--uc-line);background:var(--uc-bg);color:var(--uc-p);
  cursor:pointer;font-size:16px;transition:transform .25s,background .15s}
.uc-swap:hover{background:#eaf1f8}.uc-swap i{transform:rotate(90deg);transition:transform .25s}
.uc-swap.is-spin i{transform:rotate(270deg)}

/* result */
.uc-result{margin:18px 0 4px;padding:17px;border-radius:13px;background:linear-gradient(135deg,#f0f8f7,#e8f3f4);border:1px solid #cce3e3}
.uc-eq{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:baseline;font-family:Poppins,Inter,sans-serif;font-weight:600;font-size:1.1rem;word-break:break-word}
.uc-eq b{font-weight:700}.uc-eq .uc-big{font-size:1.55rem;color:var(--uc-p);font-weight:750}
.uc-fac{margin-top:8px;display:flex;flex-wrap:wrap;gap:2px 18px;font-size:.88rem;color:var(--uc-mute)}
.uc-warn{margin-top:8px;font-size:.85rem;color:#b45309;font-weight:600}
.uc-warn:empty{display:none}

/* toolbar */
.uc-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-top:14px}
.uc-bar .uc-field{flex:1 1 150px}
.uc-btns{display:flex;flex-wrap:wrap;gap:8px;flex:2 1 320px}
.uc-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 15px;font:inherit;font-size:.9rem;font-weight:650;
  color:var(--uc-p);background:#fff;border:1.5px solid var(--uc-line);border-radius:10px;cursor:pointer;transition:background .15s,border-color .15s,transform .15s;flex:1 1 auto}
.uc-btn:hover{background:var(--uc-bg);border-color:var(--uc-s);transform:translateY(-1px)}
.uc-btn.is-primary{background:var(--uc-p);color:#fff;border-color:var(--uc-p);box-shadow:0 5px 12px rgba(22,92,120,.2)}
.uc-btn.is-primary:hover{filter:brightness(1.1)}

/* result grid */
.uc-h2s{font-size:1rem;margin:22px 0 10px; padding:20px; display:flex;align-items:center;gap:8px}
.uc-h2s i{color:var(--c)}
.uc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:10px}
.uc-rc{position:relative;padding:13px 13px 11px;border:1px solid var(--uc-line);border-radius:12px;background:#fff;min-width:0;transition:border-color .15s,box-shadow .15s,transform .15s}
.uc-rc:hover{border-color:var(--uc-s);box-shadow:var(--uc-sh);transform:translateY(-2px)}
.uc-rc.is-to{border-color:var(--uc-p);box-shadow:inset 0 0 0 1px var(--uc-p);background:#f6faff}
.uc-rc.is-from{background:var(--uc-bg)}
.uc-rv{font-family:Poppins,Inter,sans-serif;font-weight:600;font-size:1.02rem;line-height:1.3;word-break:break-all;min-height:1.3em}
.uc-ru{margin-top:2px;font-size:.8rem;color:var(--uc-mute);line-height:1.35}
.uc-ru .uc-s{font-weight:700;color:var(--c)}
.uc-ra{display:flex;gap:6px;margin-top:8px}
.uc-mini{flex:1;min-height:34px;border:1px solid var(--uc-line);background:var(--uc-bg);border-radius:8px;color:var(--uc-mute);font-size:.8rem;cursor:pointer;transition:background .15s,color .15s}
.uc-mini:hover{background:#eaf1f8;color:var(--uc-p)}

/* sections */
.uc-sec{margin-top:36px}
.uc-sec>h2{font-size:1.3rem;margin-bottom:12px}
.uc-sec p{margin:0 0 12px;color:#334155}
.uc-lead{font-size:1.02rem}
.uc-cols{display:grid;gap:12px;grid-template-columns:1fr}
.uc-box{background:#fff;border:1px solid var(--uc-line);border-radius:12px;padding:16px 17px;box-shadow:0 3px 12px rgba(23,48,66,.035)}
.uc-box h3{font-size:1rem;margin-bottom:4px}
.uc-box p{margin:0;font-size:.94rem}
.uc-tw{overflow-x:auto;border:1px solid var(--uc-line);border-radius:12px;background:#fff;-webkit-overflow-scrolling:touch}
.uc-tw table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:280px}
.uc-tw caption{caption-side:top;text-align:left;font-weight:700;padding:12px 14px 4px;font-family:Poppins,Inter,sans-serif}
.uc-tw th,.uc-tw td{padding:9px 14px;text-align:left;border-bottom:1px solid var(--uc-line);white-space:nowrap}
.uc-tw th{background:var(--uc-bg);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--uc-mute)}
.uc-tw tr:last-child td{border-bottom:0}
.uc-tw td.n{font-variant-numeric:tabular-nums}
.uc-pairs{display:grid;gap:12px;grid-template-columns:1fr}
.uc-fm{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.uc-fm li{background:#fff;border:1px solid var(--uc-line);border-radius:10px;padding:10px 14px;font-size:.94rem;font-variant-numeric:tabular-nums}

/* faq */
.uc-faq details{background:#fff;border:1px solid var(--uc-line);border-radius:12px;margin-bottom:8px;overflow:hidden}
.uc-faq summary{cursor:pointer;list-style:none;padding:14px 44px 14px 16px;font-weight:600;position:relative;min-height:48px}
.uc-faq summary::-webkit-details-marker{display:none}
.uc-faq summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--uc-s);font-weight:400}
.uc-faq details[open] summary::after{content:"−"}
.uc-faq details[open] summary{border-bottom:1px solid var(--uc-line);background:var(--uc-bg)}
.uc-faq details p{margin:0;padding:12px 16px 14px}

/* chips / internal links */
.uc-chips{display:flex;flex-wrap:wrap;gap:8px}
.uc-chip{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:6px 14px;background:#fff;border:1px solid var(--uc-line);border-radius:999px;
  color:var(--uc-ink)!important;text-decoration:none;font-size:.9rem;font-weight:500;transition:border-color .15s,background .15s}
.uc-chip:hover{border-color:var(--uc-s);background:#f3f8fc}
.uc-chip i{color:var(--c);font-size:.85rem}
.uc-all{margin:14px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.9rem}
.uc-all a{text-decoration:none}.uc-all a:hover{text-decoration:underline}
.uc-all [aria-current]{font-weight:700;color:var(--uc-ink)}

/* hub */
.uc-filter{position:relative;margin:0 0 18px}
.uc-filter i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--uc-mute);pointer-events:none}
.uc-filter input{padding-left:40px!important}
.uc-catt{display:flex;align-items:center;gap:10px;font-size:1.1rem;margin:24px 0 4px}
.uc-catt i{color:var(--c)}
.uc-catd{margin:0 0 12px;color:var(--uc-mute);font-size:.9rem}
.uc-tools{display:grid;gap:10px;grid-template-columns:1fr}
.uc-tc{display:flex;gap:14px;align-items:center;padding:15px;background:#fff;border:1px solid var(--uc-line);border-radius:13px;text-decoration:none;color:var(--uc-ink)!important;
  transition:transform .15s,box-shadow .15s,border-color .15s;min-height:78px}
.uc-tc:hover{transform:translateY(-2px);box-shadow:var(--uc-sh);border-color:var(--uc-s)}
.uc-tc .uc-ti{flex:none;width:44px;height:44px;border-radius:11px;display:grid;place-items:center;color:#fff;background:var(--c);font-size:18px}
.uc-tc h3{font-size:.98rem}
.uc-tc p{margin:1px 0 0;font-size:.85rem;color:var(--uc-mute);line-height:1.4}
.uc-none{display:none;padding:24px;text-align:center;color:var(--uc-mute)}

/* number base */
.uc-nb{display:grid;gap:12px;grid-template-columns:1fr}
.uc-nb .uc-field{position:relative}
.uc-nb input{font-family:"Fira Code",ui-monospace,Menlo,Consolas,monospace;font-size:16px}
.uc-nb .uc-row{display:flex;gap:8px}.uc-nb .uc-row input{flex:1}
.uc-nb .uc-mini{flex:none;width:48px;min-height:48px}
.uc-err{min-height:1.2em;margin-top:10px;color:#dc2626;font-size:.88rem;font-weight:600}
.uc-info{margin-top:6px;color:var(--uc-mute);font-size:.88rem}

/* toast */
.uc-toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);background:#0f172a;color:#fff;padding:10px 18px;border-radius:999px;font-size:.9rem;opacity:0;pointer-events:none;z-index:9999;transition:opacity .2s,transform .2s}
.uc-toast.on{opacity:1;transform:translate(-50%,0)}
.uc-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

@media (min-width:640px){
  .uc{padding:28px 24px 72px}
  .uc-hero{padding:28px 28px}.uc-hero h1{font-size:1.85rem}.uc-hero .uc-hi{width:58px;height:58px;font-size:26px}
  .uc-card{padding:24px}
  .uc-controls{grid-template-columns:1.1fr 1fr auto 1fr}
  .uc-swap i{transform:none}.uc-swap.is-spin i{transform:rotate(180deg)}
  .uc-eq{font-size:1.25rem}.uc-eq .uc-big{font-size:1.9rem}
  .uc-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
  .uc-cols{grid-template-columns:repeat(3,1fr)}
  .uc-cols.two{grid-template-columns:repeat(2,1fr)}
  .uc-pairs{grid-template-columns:repeat(2,1fr)}
  .uc-tools{grid-template-columns:repeat(2,1fr)}
  .uc-nb{grid-template-columns:repeat(2,1fr)}
  .uc-btn{flex:0 1 auto}
}
@media (max-width:639px){
  .uc-bar{align-items:stretch}
  .uc-bar .uc-field,.uc-btns{flex-basis:100%}
  .uc-btns .uc-btn{min-width:calc(50% - 4px)}
  .uc-eq{gap:3px 7px}
  .uc-fac{display:grid;gap:4px}
  .uc-tools{gap:9px}
}
@media (min-width:980px){
  .uc-tools{grid-template-columns:repeat(3,1fr)}
  .uc-pairs{grid-template-columns:repeat(4,1fr)}
}
@media (prefers-reduced-motion:reduce){.uc *{transition:none!important}}
@media print{.uc-bar,.uc-swap,.uc-ra,.uc-chips,.uc-all{display:none!important}.uc-card{box-shadow:none}}