/* Mr. Calco — fresh modern UI */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --brand:#0f9f94;
  --brand-2:#0b7f76;
  --brand-soft:rgba(15,159,148,.12);
  --ink:#0f1c1a;
  --muted:#667875;
  --line:rgba(15,28,26,.08);
  --surface:#fff;
  --surface-2:#f7faf9;
  --ok:#22c55e;
  --warn:#eab308;
  --bad:#ef4444;
  --info:#38bdf8;
  --radius:24px;
  --radius-sm:14px;
  --shadow:0 0 0 1px var(--line),0 2px 4px rgba(15,28,26,.02),0 18px 40px rgba(15,28,26,.06);
  --shadow-hover:0 0 0 1px rgba(15,159,148,.25),0 20px 48px rgba(15,159,148,.14);
  --font:"Plus Jakarta Sans",system-ui,sans-serif;
  --display:"Fraunces",Georgia,serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

html.dark{
  --brand:#2dd4bf;
  --brand-2:#5eead4;
  --brand-soft:rgba(45,212,191,.14);
  --ink:#f0faf8;
  --muted:#93a9a5;
  --line:rgba(240,250,248,.1);
  --surface:#13201e;
  --surface-2:#0e1816;
  --shadow:0 0 0 1px var(--line),0 18px 40px rgba(0,0,0,.35);
  --shadow-hover:0 0 0 1px rgba(45,212,191,.3),0 20px 48px rgba(0,0,0,.45);
}

html{font-family:var(--font);font-size:16px;line-height:1.55;color:var(--ink);-webkit-font-smoothing:antialiased}
body{
  min-height:100vh;display:flex;flex-direction:column;background:var(--surface-2);
  overflow-x:clip;
  background-image:
    radial-gradient(ellipse 90% 60% at 0% -20%,rgba(15,159,148,.18),transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% -10%,rgba(251,146,60,.14),transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%,rgba(15,159,148,.06),transparent 60%);
  background-attachment:fixed;
}
html.dark body{
  background-image:
    radial-gradient(ellipse 80% 50% at 0% -15%,rgba(45,212,191,.15),transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%,rgba(251,146,60,.1),transparent 45%);
}
a{color:var(--brand-2);text-decoration:none}
a:hover{opacity:.85}
.container{width:min(1080px,100%);margin:0 auto;padding:0 1rem}
@media(min-width:640px){.container{padding:0 1.25rem}}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip-link{position:absolute;left:1rem;top:-4rem;background:var(--brand);color:#fff;padding:.6rem 1rem;border-radius:999px;z-index:99}
.skip-link:focus{top:1rem}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,250,249,.72);
  backdrop-filter:saturate(1.4) blur(16px);
  -webkit-backdrop-filter:saturate(1.4) blur(16px);
  border-bottom:1px solid transparent;
  overflow:visible;
}
html.dark .site-header{background:rgba(14,24,22,.78)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:.7rem 0;flex-wrap:wrap;
  overflow:visible;
  min-height:0;
}
.logo{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--display);font-size:1.45rem;font-weight:700;
  color:var(--ink);letter-spacing:-.03em;text-decoration:none;
  line-height:1;
  min-width:0;min-height:0;
  align-self:center;
}
.logo-icon{
  width:4.35rem;height:4.35rem;
  margin-block:-.85rem;
  object-fit:contain;
  flex-shrink:0;
  display:block;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  filter:none;
  mix-blend-mode:normal;
  opacity:1;
}
html.dark .logo-icon{
  mix-blend-mode:normal;
  opacity:1;
}
.logo-text{line-height:1;white-space:nowrap}
.logo-text span{color:var(--brand)}
.logo:hover{opacity:1}
.main-nav{display:flex;flex-wrap:wrap;gap:.1rem}
.main-nav a{
  color:var(--muted);font-size:.84rem;font-weight:550;padding:.45rem .72rem;
  border-radius:999px;transition:color .2s var(--ease),background .2s var(--ease);
}
.main-nav a:hover{color:var(--ink);background:var(--brand-soft);opacity:1}
.header-actions{display:flex;gap:.45rem;align-items:center}
.lang-select,.theme-toggle{
  appearance:none;border:1px solid var(--line);background:var(--surface);
  color:var(--ink);border-radius:999px;font:inherit;font-size:.82rem;
  min-height:40px;padding:0 .95rem;cursor:pointer;
  box-shadow:0 1px 2px rgba(15,28,26,.04);
}
.theme-toggle{width:40px;padding:0;display:grid;place-items:center;font-size:1.05rem;line-height:1}
.theme-toggle [hidden]{display:none!important}

/* Page */
main{flex:1;padding:1rem 0 3rem}
@media(min-width:640px){main{padding:1.5rem 0 4rem}}
.breadcrumbs{
  display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;
  font-size:.78rem;color:var(--muted);margin-bottom:1rem;
}
.breadcrumbs li::after{content:"·";margin-left:.4rem;opacity:.45}
.breadcrumbs li:last-child::after{content:none}
.category-badge{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand-2);background:var(--brand-soft);padding:.3rem .75rem .3rem .3rem;
  border-radius:999px;margin-bottom:.85rem;
}
.category-badge .calc-card-icon{
  margin-bottom:0;width:1.85rem;height:1.85rem;border-radius:999px;
  background:rgba(15,159,148,.16);
}
.category-badge .calc-card-icon .ui-icon{width:1.05rem;height:1.05rem}
.page-header{margin-bottom:1rem;max-width:36rem}
@media(min-width:640px){.page-header{margin-bottom:1.35rem}}
.page-header h1{
  font-family:var(--display);font-size:clamp(1.75rem,7vw,3.15rem);
  font-weight:700;letter-spacing:-.04em;line-height:1.08;margin-bottom:.55rem;
}
.page-header p{color:var(--muted);font-size:1.05rem;line-height:1.6}

.jump-nav{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.25rem}
@media(min-width:640px){.jump-nav{gap:.45rem;margin-bottom:1.75rem}}
.jump-nav a{
  font-size:.78rem;font-weight:600;color:var(--muted);
  background:var(--surface);border:1px solid var(--line);
  padding:.45rem .9rem;border-radius:999px;
  box-shadow:0 1px 2px rgba(15,28,26,.03);
  transition:all .2s var(--ease);
}
.jump-nav a:hover{
  color:var(--ink);border-color:transparent;background:var(--brand-soft);
  transform:translateY(-1px);opacity:1;
}

.section{margin-bottom:3rem}
.home-page{padding-top:.85rem}
.home-page > .section:first-of-type{margin-top:.25rem}
.section h2,.section-title{
  font-family:var(--display);font-size:clamp(1.4rem,2.5vw,1.7rem);
  font-weight:700;letter-spacing:-.03em;margin-bottom:1.1rem;
}

/* Tool shell — mobile first */
.card-tool{
  border-radius:var(--radius-sm);
  background:var(--surface);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:box-shadow .3s var(--ease);
}
@media(min-width:640px){
  .card-tool{border-radius:calc(var(--radius) + 4px)}
}
.card-tool:has(.calc-tool-compact){
  width:100%;
  max-width:32rem;
  margin-inline:auto;
}
@media(min-width:960px){
  .card-tool:has(.calc-tool-compact){max-width:none;margin-inline:0}
}
.card-tool:focus-within{box-shadow:var(--shadow-hover)}

.calc-tool{
  display:flex;
  flex-direction:column;
  min-width:0;
}
.calc-panel{
  padding:1.15rem 1rem;
  min-width:0;
}
.calc-panel-inputs{
  order:2;
  background:var(--surface);
}
.calc-panel-result{
  order:1;
  position:relative;
  background:
    radial-gradient(circle at 80% 20%,rgba(15,159,148,.18),transparent 45%),
    linear-gradient(165deg,#e8f8f6 0%,#f4fbfa 45%,#fff 100%);
  display:flex;align-items:center;justify-content:center;
  min-height:auto;
  padding:1.35rem 1rem;
  border-bottom:1px solid var(--line);
}
html.dark .calc-panel-result{
  background:
    radial-gradient(circle at 80% 20%,rgba(45,212,191,.12),transparent 45%),
    linear-gradient(165deg,#123532 0%,#152422 50%,#13201e 100%);
}
@media(min-width:640px){
  .calc-panel{padding:1.5rem 1.35rem}
  .calc-panel-result{padding:1.75rem 1.35rem}
}
@media(min-width:960px){
  .calc-tool{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,.95fr);
  }
  .calc-panel{padding:2rem}
  .calc-panel-inputs{
    order:0;
    border-right:1px solid var(--line);
  }
  .calc-panel-result{
    order:0;
    min-height:280px;
    padding:2rem;
    border-bottom:0;
  }
}
.calc-panel-label{
  font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.85rem;
}
@media(min-width:640px){.calc-panel-label{margin-bottom:1.15rem}}

.unit-toggle{
  display:grid;grid-template-columns:1fr 1fr;gap:2px;
  width:100%;max-width:100%;
  padding:3px;margin-bottom:.85rem;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--line);
}
.unit-toggle button{
  border:0;background:transparent;color:var(--muted);font:inherit;
  font-size:.84rem;font-weight:650;padding:.55rem 1rem;min-height:44px;
  border-radius:999px;cursor:pointer;transition:all .2s var(--ease);
}
.unit-toggle button.active{
  background:var(--surface);color:var(--ink);
  box-shadow:0 1px 3px rgba(15,28,26,.08),0 0 0 1px var(--line);
}
.unit-toggle-hint{
  margin:0 0 1rem;font-size:.78rem;color:var(--muted);line-height:1.4;
}

.input-with-unit{position:relative;display:flex;align-items:stretch}
.input-field-suffixed{padding-right:3.25rem!important}
.input-unit-suffix{
  position:absolute;right:1rem;top:50%;transform:translateY(-50%);
  font-size:.82rem;font-weight:700;color:var(--muted);pointer-events:none;
  letter-spacing:.02em;
}
.input-field.is-converting{
  animation:unit-flash .45s var(--ease);
}
@keyframes unit-flash{
  0%{background:var(--brand-soft);border-color:var(--brand)}
  100%{background:var(--surface-2);border-color:var(--line)}
}

.form-actions{
  display:flex;flex-direction:column;align-items:stretch;gap:.55rem;
  grid-column:1/-1;margin-top:.5rem;
}
.form-live-hint{
  order:-1;margin:0 0 .15rem;font-size:.78rem;color:var(--muted);text-align:center;
}
.form-actions .btn{width:100%}
.calc-form-live .form-actions .btn-primary{display:none}
@media(min-width:480px){
  .form-actions{flex-direction:row;flex-wrap:wrap;align-items:center}
  .form-actions .btn{width:auto;flex:1 1 auto}
  .form-live-hint{
    order:0;flex:1 1 100%;margin:0;text-align:left;
  }
  .calc-form-live .form-actions .btn-primary{
    display:inline-flex;order:2;background:transparent;color:var(--brand-2);
    box-shadow:none;border:1.5px solid var(--line);font-size:.84rem;
    min-height:44px;padding:.55rem 1rem;flex:0 1 auto;
  }
  .calc-form-live .form-actions .btn-primary:hover{background:var(--brand-soft);border-color:transparent}
}
@media(min-width:640px){
  .form-live-hint{flex:1 1 auto}
}
.calc-form{
  display:grid;gap:1rem;grid-template-columns:1fr;
  min-width:0;
}
@media(min-width:640px){
  .calc-form.cols-2{grid-template-columns:1fr 1fr;column-gap:1rem;gap:1.15rem}
}
.calc-form.cols-2-always{grid-template-columns:1fr 1fr;column-gap:.75rem}
.form-group{display:flex;flex-direction:column;gap:.45rem;min-width:0}
.form-group label{font-size:.84rem;font-weight:650;color:var(--ink)}
.input-field,.select-field{
  width:100%;min-height:48px;padding:.8rem .95rem;
  border:1.5px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface-2);color:var(--ink);
  font:inherit;font-size:1rem;font-weight:600;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
@media(min-width:640px){
  .input-field,.select-field{min-height:52px;padding:.85rem 1rem;font-size:1.15rem}
}
.input-field:hover,.select-field:hover{background:var(--surface)}
.input-field:focus,.select-field:focus{
  outline:none;background:var(--surface);border-color:var(--brand);
  box-shadow:0 0 0 4px var(--brand-soft);
}
.form-group-full{grid-column:1/-1}
.form-group[hidden]{display:none!important}
.field-help{font-size:.78rem;color:var(--muted);margin:0;line-height:1.35}

/* GPA rows */
.gpa-form{display:flex;flex-direction:column;gap:1rem}
.gpa-rows{display:flex;flex-direction:column;gap:.85rem}
.gpa-row{
  padding:1rem;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface-2);
}
.gpa-row-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.65rem}
.gpa-course-label{font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.gpa-row-fields{display:grid;gap:.75rem}
@media(min-width:480px){.gpa-row-fields{grid-template-columns:1.2fr .8fr}}
.gpa-remove{font-size:.75rem!important;color:var(--muted)!important}
.gpa-remove:hover{color:var(--bad)!important}

/* Percentage — single-mode UI */
.pct-form{display:flex;flex-direction:column;gap:1.1rem}
.pct-hint{margin:0;font-size:.86rem;color:var(--muted);line-height:1.4}
.pct-hint[hidden]{display:none!important}
.pct-fields[hidden]{display:none!important}
.pct-sentence{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  font-size:1rem;font-weight:600;color:var(--ink);
  padding:1rem;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface-2);
}
.pct-mini{width:5.75rem;min-width:4.75rem;min-height:48px!important;padding:.65rem .7rem!important;font-size:1.05rem!important}
.pct-equation{
  display:grid;gap:.75rem;align-items:end;
  grid-template-columns:1fr;
}
@media(min-width:640px){
  .pct-equation{grid-template-columns:1fr auto 1fr auto 1fr;align-items:end}
}
.pct-op{display:none;font-size:1.4rem;font-weight:700;color:var(--muted);padding-bottom:1rem;text-align:center}
@media(min-width:640px){.pct-op{display:block}}
.pct-with-suffix{display:flex;align-items:center;gap:.4rem}
.pct-with-suffix .input-field{flex:1}
.pct-with-suffix span{font-weight:700;color:var(--muted)}
.pct-grid-2{display:grid;gap:.75rem}
@media(min-width:480px){.pct-grid-2{grid-template-columns:1fr 1fr}}
.pct-grid-2 .form-group-full{grid-column:1/-1}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  min-height:46px;padding:.7rem 1.25rem;border-radius:999px;
  font:inherit;font-size:.88rem;font-weight:700;border:0;cursor:pointer;
  transition:transform .15s var(--ease),background .2s,box-shadow .2s,color .2s;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  background:linear-gradient(180deg,#14b8a6 0%,var(--brand) 100%);
  color:#fff;box-shadow:0 8px 20px rgba(15,159,148,.28),inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-primary:hover{filter:brightness(1.05)}
.btn-secondary{
  background:var(--surface);color:var(--muted);border:1px solid var(--line);
}
.btn-secondary:hover{color:var(--ink);background:var(--surface-2)}
.btn-ghost{
  background:transparent;color:var(--brand-2);border:0;min-height:auto;
  font-size:.8rem;font-weight:650;padding:.4rem .2rem;
}
.btn-ghost:hover{text-decoration:underline}

/* Result */
.result-box{width:100%;max-width:22rem;text-align:center;padding:.5rem}
.result-eyebrow{
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.35rem;
}
.result-value{
  font-family:var(--display);font-size:clamp(2.75rem,14vw,4.6rem);
  font-weight:700;letter-spacing:-.045em;line-height:1;color:var(--ink);
  position:relative;display:inline-block;
}
@media(min-width:960px){
  .result-value{font-size:clamp(3rem,8vw,4.2rem)}
}
.result-box.is-ready .result-value{
  animation:resultIn .45s var(--ease);
}
@keyframes resultIn{
  from{opacity:.35;transform:translateY(8px) scale(.96)}
  to{opacity:1;transform:none}
}
.result-ring{
  width:min(200px,70vw);height:min(200px,70vw);margin:0 auto 1rem;
  border-radius:50%;display:grid;place-items:center;
  background:
    radial-gradient(circle at center,var(--surface) 58%,transparent 59%),
    conic-gradient(from 210deg,var(--info),var(--ok) 28%,var(--warn) 55%,var(--bad) 78%,var(--info));
  box-shadow:0 12px 32px rgba(15,159,148,.15);
  position:relative;
}
.result-ring-inner{
  width:78%;height:78%;border-radius:50%;background:var(--surface);
  display:grid;place-items:center;box-shadow:inset 0 0 0 1px var(--line);
}
html.dark .result-ring-inner{background:var(--surface)}
#result-badge{margin-top:.85rem;min-height:2rem}
#result-badge span,#result-badge .result-badge{
  display:inline-flex;align-items:center;padding:.45rem 1rem;
  border-radius:999px;font-size:.82rem;font-weight:750;
}
.badge-normal{background:#dcfce7;color:#166534}
.badge-warning{background:#fef9c3;color:#854d0e}
.badge-danger{background:#fee2e2;color:#991b1b}
html.dark .badge-normal{background:#14532d;color:#bbf7d0}
html.dark .badge-warning{background:#713f12;color:#fef08a}
html.dark .badge-danger{background:#7f1d1d;color:#fecaca}

.bmi-gauge{margin:1.4rem 0 .25rem}
.bmi-gauge-track{
  position:relative;height:10px;border-radius:999px;
  background:linear-gradient(90deg,var(--info) 0 18.5%,var(--ok) 18.5% 40%,var(--warn) 40% 55%,var(--bad) 55% 100%);
}
.bmi-gauge-marker{
  position:absolute;top:50%;left:35%;width:20px;height:20px;
  margin:-10px 0 0 -10px;border-radius:50%;
  background:#fff;border:3px solid var(--ink);
  box-shadow:0 3px 10px rgba(0,0,0,.2);
  transition:left .4s var(--ease);
  z-index:2;
}
.bmi-gauge-labels{
  display:flex;justify-content:space-between;margin-top:.55rem;
  font-size:.62rem;font-weight:700;color:var(--muted);letter-spacing:.02em;
}

.bmi-chips{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-top:1.2rem}
.bmi-chip{
  text-align:left;padding:.7rem .75rem;border-radius:14px;
  background:rgba(255,255,255,.65);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s,background .2s,box-shadow .2s;
}
html.dark .bmi-chip{background:rgba(0,0,0,.15)}
.bmi-chip strong{display:block;font-size:.78rem;font-weight:750;margin-bottom:.1rem}
.bmi-chip span{font-size:.7rem;color:var(--muted);font-weight:550}
.bmi-chip.is-active{
  transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,28,26,.08);
  border-color:transparent;
}
.bmi-chip[data-range="underweight"].is-active{background:#e0f2fe;border-color:#7dd3fc}
.bmi-chip[data-range="normal"].is-active{background:#dcfce7;border-color:#86efac}
.bmi-chip[data-range="overweight"].is-active{background:#fef9c3;border-color:#fde047}
.bmi-chip[data-range="obese"].is-active{background:#fee2e2;border-color:#fca5a5}
.result-actions{margin-top:1rem}

/* Content blocks */
.content-card,.card{
  background:var(--surface);border-radius:var(--radius);padding:1.5rem 1.6rem;
  box-shadow:var(--shadow);
}
.formula-box{
  margin:1rem 0 0;padding:1.1rem 1.25rem;border-radius:var(--radius-sm);
  background:var(--surface-2);border:1px dashed rgba(15,159,148,.35);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.05rem;font-weight:600;
}
.prose{color:var(--muted);line-height:1.7}
.prose p{margin-bottom:.85rem}
.prose h3{
  font-family:var(--display);font-size:1.15rem;font-weight:700;
  letter-spacing:-.02em;color:var(--ink);margin:1.35rem 0 .5rem;
}
.prose h3:first-child{margin-top:0}
.methodology.prose p:last-child{margin-bottom:0}
.static-page{max-width:48rem;padding-bottom:3rem}
.static-page .page-header{max-width:42rem}
.static-prose h2{
  font-family:var(--display);font-size:1.25rem;font-weight:700;
  letter-spacing:-.02em;color:var(--ink);margin:0 0 .65rem;
}
.static-section{margin:0 0 1.75rem}
.static-section:last-of-type{margin-bottom:1.25rem}
.static-prose ul{margin:.35rem 0 0;padding-left:1.25rem}
.static-prose li{margin:.4rem 0}
.static-meta{
  margin:1.5rem 0 0;padding-top:1rem;border-top:1px solid var(--line);
  font-size:.9rem;color:var(--muted);
}
.references-list{
  margin:0;padding-left:1.25rem;color:var(--muted);line-height:1.65;
}
.references-list li{margin:.55rem 0}
.references-list a{font-weight:650;color:var(--brand-2)}
.references-list a:hover{text-decoration:underline}
.ref-meta,.ref-note{font-size:.9rem}
.ref-note{display:block;margin-top:.15rem;color:var(--muted)}
.steps-list{list-style:none;counter-reset:st}
.steps-list li{
  counter-increment:st;position:relative;padding:.95rem 0 .95rem 3rem;
  border-bottom:1px solid var(--line);color:var(--muted);
}
.steps-list li:last-child{border-bottom:0}
.steps-list li::before{
  content:counter(st);position:absolute;left:0;top:.9rem;
  width:2rem;height:2rem;border-radius:50%;
  display:grid;place-items:center;font-size:.78rem;font-weight:800;
  background:var(--brand-soft);color:var(--brand-2);
}
.result-detail{margin-top:1rem;text-align:left;width:100%;max-width:26rem}
.result-detail[hidden]{display:none!important}
.size-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:.45rem;
}
.size-cell{
  display:flex;flex-direction:column;gap:.15rem;
  padding:.55rem .65rem;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.55);border:1px solid var(--line);
}
.size-cell.is-from{
  border-color:var(--brand);
  box-shadow:inset 0 0 0 1px rgba(15,159,148,.25);
  background:rgba(15,159,148,.1);
}
html.dark .size-cell{background:rgba(0,0,0,.2)}
html.dark .size-cell.is-from{background:rgba(15,159,148,.18)}
.size-sys{font-size:.65rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.size-cell strong{font-size:1rem;font-weight:700;color:var(--ink)}

.measure-guide .measure-intro{color:var(--muted);margin:0 0 1.15rem;line-height:1.6}
.measure-layout{
  display:grid;gap:1.5rem;align-items:start;
}
@media(min-width:720px){
  .measure-layout{grid-template-columns:minmax(200px,.9fr) 1.2fr;gap:2rem}
}
.measure-visual{margin:0}
.measure-visual-frame{
  background:
    linear-gradient(160deg,rgba(15,159,148,.08),transparent 55%),
    var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1rem 1.1rem;
  display:grid;place-items:center;
}
.measure-visual figcaption{
  margin-top:.65rem;font-size:.8rem;color:var(--muted);text-align:center;
}
.measure-svg{
  width:100%;max-width:320px;height:auto;
  color:var(--brand-2);
}
.measure-svg-lg{max-width:340px}
.measure-img{
  display:block;margin-inline:auto;
  object-fit:contain;background:#fff;border-radius:6px;
}
.measure-peek .measure-svg,
.measure-peek .measure-svg-lg{max-width:260px}
.diag-outline{
  fill:none;stroke:var(--ink);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;
  opacity:.85;
}
.diag-muted{fill:var(--line)}
.diag-muted-fill{fill:var(--brand-soft);stroke:var(--ink);stroke-width:1.5;opacity:.7}
.diag-surface{fill:var(--surface);stroke:var(--line);stroke-width:1}
.diag-accent{fill:var(--brand)}
.diag-accent-fill{fill:var(--brand);opacity:.85}
.diag-accent-stroke{stroke:var(--brand);stroke-width:2.5;stroke-linecap:round}
.diag-measure{
  stroke:var(--brand-2);stroke-width:2;color:var(--brand-2);
}
.diag-measure-soft{stroke:var(--brand);stroke-width:1.5;stroke-dasharray:4 3;opacity:.55}
.diag-measure-ring{
  fill:none;stroke:var(--brand);stroke-width:2.4;stroke-dasharray:5 4;
}
.diag-measure-ring-strong{stroke-width:3;stroke-dasharray:none;opacity:.9}
.diag-label{
  fill:var(--ink);font-size:11px;font-weight:700;font-family:inherit;
}
.diag-hint{
  fill:var(--muted);font-size:9.5px;font-weight:600;font-family:inherit;
}
.diag-callout-title{
  fill:var(--ink);font-size:12px;font-weight:800;font-family:inherit;
  letter-spacing:.02em;
}
.diag-callout-sub{
  fill:var(--muted);font-size:10px;font-weight:600;font-family:inherit;
}
.diag-badge-label{
  fill:var(--muted);font-size:10px;font-weight:800;font-family:inherit;
  letter-spacing:.08em;
}
.diag-watermark{
  fill:var(--line);font-size:11px;font-weight:800;font-family:inherit;
  letter-spacing:.2em;
}
.measure-tips{margin:1rem 0 0;padding-left:1.1rem;color:var(--muted);line-height:1.55}
.measure-tips li{margin:.35rem 0}
.measure-steps{margin:0}

/* Compact diagram above the calculator inputs */
.measure-peek{
  margin:0 0 1.15rem;padding:0;
}
.measure-peek .measure-visual-frame{
  padding:.65rem .75rem;max-width:100%;
}
.measure-peek .measure-svg{max-width:200px}
.measure-peek-link{
  display:inline-block;margin-top:.45rem;
  font-size:.78rem;font-weight:700;color:var(--brand-2);
}
.measure-peek-link:hover{text-decoration:underline}
@media(min-width:900px){
  .measure-peek .measure-svg{max-width:220px}
}

/* slightly smaller hero number when size grids present */
.calc-panel-result:has(.size-grid) .result-value{
  font-size:clamp(2.4rem,7vw,3.4rem);
}
/* Chart converters: grid is the result — no single-system hero */
.calc-panel-result.is-grid-focus .result-value{display:none}
.calc-panel-result.is-grid-focus .result-eyebrow{
  margin-bottom:.85rem;font-size:.8rem;letter-spacing:.08em;
}
.calc-panel-result.is-grid-focus .result-detail{
  margin-top:0;max-width:100%;
}
.calc-panel-result.is-grid-focus .size-grid{
  grid-template-columns:1fr 1fr 1fr;gap:.55rem;
}
.calc-panel-result.is-grid-focus .size-cell{
  padding:.75rem .7rem;
}
.calc-panel-result.is-grid-focus .size-cell strong{
  font-size:1.25rem;
}
.calc-panel-result.is-grid-focus .size-cell.is-from strong{
  color:var(--brand-2);
}
.example-result{
  margin-top:1rem;padding:1rem 1.15rem;border-radius:var(--radius-sm);
  background:linear-gradient(135deg,var(--brand-soft),rgba(15,159,148,.05));
  font-weight:700;color:var(--ink);
}

.facts-grid{display:grid;gap:.9rem;align-items:start}
@media(min-width:700px){.facts-grid{grid-template-columns:1fr 1fr}}
.fact-card{
  background:var(--surface);border-radius:var(--radius);padding:1.35rem 1.4rem;
  box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s;
  height:auto;max-height:none;overflow:visible;
}
.fact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.fact-num{
  display:inline-grid;place-items:center;width:1.7rem;height:1.7rem;
  border-radius:8px;background:var(--brand-soft);color:var(--brand-2);
  font-size:.72rem;font-weight:800;margin-bottom:.7rem;
}
.fact-card h3{
  font-family:var(--display);font-size:1.12rem;font-weight:700;
  letter-spacing:-.02em;margin-bottom:.4rem;
}
.fact-card p{
  color:var(--muted);font-size:.92rem;line-height:1.65;margin:0;
  height:auto;max-height:none;overflow:visible;
  display:block;-webkit-line-clamp:unset;line-clamp:unset;
}

.faq-list{display:grid;gap:.55rem}
.faq-item{
  background:var(--surface);border-radius:var(--radius-sm);
  box-shadow:var(--shadow);overflow:hidden;transition:box-shadow .2s;
}
.faq-item.open{box-shadow:var(--shadow-hover)}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  text-align:left;padding:1.1rem 1.25rem;background:transparent;border:0;
  font:inherit;font-size:.95rem;font-weight:650;color:var(--ink);cursor:pointer;min-height:52px;
}
.faq-question::after{
  content:"+";flex-shrink:0;width:1.7rem;height:1.7rem;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-2);
  font-size:1.1rem;font-weight:600;line-height:1;transition:transform .25s var(--ease);
}
.faq-item.open .faq-question::after{content:"–";transform:none}
.faq-answer{max-height:0;overflow:hidden;padding:0 1.25rem;color:var(--muted);transition:max-height .3s,padding .3s}
.faq-item.open .faq-answer{max-height:640px;padding:0 1.25rem 1.15rem}

.calc-grid{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.calc-card{
  display:block;padding:1.25rem 1.3rem;border-radius:var(--radius);
  background:var(--surface);box-shadow:var(--shadow);color:inherit;
  transition:transform .25s var(--ease),box-shadow .25s;
}
.calc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);opacity:1}
.calc-card-icon{
  display:inline-grid;place-items:center;flex-shrink:0;
  width:2.6rem;height:2.6rem;margin-bottom:.75rem;
  border-radius:12px;background:var(--brand-soft);color:var(--brand-2);
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.calc-card:hover .calc-card-icon,
.calc-card:hover .category-badge .calc-card-icon{
  transform:translateY(-1px);background:rgba(15,159,148,.22);
}
html.dark .calc-card:hover .calc-card-icon,
html.dark .calc-card:hover .category-badge .calc-card-icon{background:rgba(45,212,191,.28)}
.calc-card-icon .ui-icon,.calc-card-icon .cat-icon{display:block;width:1.35rem;height:1.35rem}
.category-header .calc-card-icon{margin-bottom:.85rem}
.calc-card h3{font-size:.98rem;font-weight:700;margin-bottom:.15rem}
.calc-card p{color:var(--muted);font-size:.88rem;line-height:1.5}
.calc-card::after{content:"Explore →";display:block;margin-top:.7rem;font-size:.8rem;font-weight:700;color:var(--brand)}

.site-footer{margin-top:auto;padding:2.25rem 0;border-top:1px solid var(--line);background:rgba(255,255,255,.4)}
html.dark .site-footer{background:rgba(0,0,0,.15)}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.25rem}
.footer-copy,.footer-links a{color:var(--muted);font-size:.84rem}
.footer-links{display:flex;gap:1rem}
.legal-note{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--line);font-size:.78rem;color:var(--muted);line-height:1.65}

.error-page{text-align:center;padding:4rem 0}
.error-page h1{font-family:var(--display);font-size:4.5rem;color:var(--brand)}

/* ── Fraction Calculator (page-specific) ───────────────── */
.page-fraction .page-header{max-width:40rem;margin-bottom:1.75rem}
.page-fraction .page-header h1{margin-bottom:.4rem}
.page-fraction .frac-hero{margin-bottom:2.75rem}

.card-tool-fraction{
  position:relative;
  background:
    linear-gradient(180deg,rgba(255,255,255,.92) 0%,rgba(247,250,249,.96) 100%),
    repeating-linear-gradient(0deg,transparent,transparent 23px,rgba(15,159,148,.045) 23px,rgba(15,159,148,.045) 24px),
    repeating-linear-gradient(90deg,transparent,transparent 23px,rgba(15,28,26,.03) 23px,rgba(15,28,26,.03) 24px);
  box-shadow:var(--shadow);
  animation:fracStageIn .55s var(--ease);
}
html.dark .card-tool-fraction{
  background:
    linear-gradient(180deg,rgba(19,32,30,.94) 0%,rgba(14,24,22,.97) 100%),
    repeating-linear-gradient(0deg,transparent,transparent 23px,rgba(45,212,191,.06) 23px,rgba(45,212,191,.06) 24px),
    repeating-linear-gradient(90deg,transparent,transparent 23px,rgba(240,250,248,.04) 23px,rgba(240,250,248,.04) 24px);
}
@keyframes fracStageIn{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:none}
}
.card-tool-fraction::before{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:
    radial-gradient(ellipse 55% 40% at 12% 0%,rgba(15,159,148,.12),transparent 60%),
    radial-gradient(ellipse 45% 35% at 95% 100%,rgba(15,159,148,.08),transparent 55%);
}
html.dark .card-tool-fraction::before{
  background:
    radial-gradient(ellipse 55% 40% at 12% 0%,rgba(45,212,191,.1),transparent 60%),
    radial-gradient(ellipse 45% 35% at 95% 100%,rgba(45,212,191,.06),transparent 55%);
}

.calc-tool-fraction{display:block;position:relative;z-index:1;padding:1.75rem 1.35rem 1.5rem}
@media(min-width:700px){.calc-tool-fraction{padding:2.35rem 2.25rem 1.85rem}}

.frac-form{display:flex;flex-direction:column;align-items:center;gap:1.5rem}
.frac-equation{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:clamp(.85rem,3vw,1.6rem);width:100%;
}
.frac-term{
  display:flex;flex-direction:column;align-items:center;gap:.35rem;
  min-width:4.5rem;width:clamp(4.75rem,18vw,6.5rem);
}
.frac-rule{
  display:block;width:100%;height:2.5px;border-radius:2px;
  background:var(--ink);opacity:.85;
}
.frac-input{
  text-align:center;font-family:var(--display);font-size:clamp(1.35rem,4vw,1.85rem);
  font-weight:700;letter-spacing:-.03em;padding:.55rem .4rem!important;
  min-height:3rem!important;background:rgba(255,255,255,.75)!important;
  border-radius:12px!important;
  transition:transform .2s var(--ease),border-color .2s,box-shadow .2s,background .2s;
}
html.dark .frac-input{background:rgba(0,0,0,.2)!important}
.frac-input:focus{transform:scale(1.03)}

.frac-op-wrap{display:flex;align-items:center}
.frac-op-select{
  appearance:none;-webkit-appearance:none;
  font-family:var(--display);font-size:clamp(1.75rem,5vw,2.35rem);font-weight:700;
  line-height:1;color:var(--brand-2);background:transparent;
  border:0;border-radius:12px;padding:.35rem .55rem;cursor:pointer;
  min-height:3rem;text-align:center;text-align-last:center;
  transition:background .2s,transform .2s var(--ease);
}
.frac-op-select:hover,.frac-op-select:focus{
  outline:none;background:var(--brand-soft);transform:scale(1.06);
}
.frac-equals{
  font-family:var(--display);font-size:clamp(1.6rem,4vw,2.1rem);font-weight:700;
  color:var(--muted);line-height:1;
}

.frac-result{
  max-width:none;padding:.25rem .5rem;min-width:4.5rem;
  animation:none;
}
.frac-result .result-eyebrow{
  margin-bottom:.55rem;letter-spacing:.1em;
}
.frac-result .result-value{
  font-size:clamp(2.6rem,8vw,3.8rem);min-height:1.15em;
}
.frac-result.is-ready .result-value{animation:resultIn .45s var(--ease)}

.frac-stack{
  display:inline-flex;flex-direction:column;align-items:center;
  vertical-align:middle;line-height:1;gap:.2rem;
  font-family:var(--display);font-weight:700;letter-spacing:-.03em;
}
.frac-stack .frac-num,.frac-stack .frac-den{display:block;padding:0 .15em}
.frac-stack .frac-slash{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.frac-stack .frac-num{
  border-bottom:2.5px solid currentColor;padding-bottom:.2rem;min-width:1.1em;text-align:center;
}
.frac-stack-sm{font-size:1.35em}
.frac-stack-sm .frac-num{border-bottom-width:2px;padding-bottom:.15rem}

.frac-actions{
  justify-content:center;margin-top:.15rem;
  position:static!important;background:transparent!important;
  box-shadow:none!important;backdrop-filter:none!important;padding:0!important;
}
.frac-actions .btn-ghost{color:var(--muted);min-height:42px;padding:.5rem .85rem}
.frac-actions .btn-ghost:hover{color:var(--ink);text-decoration:none;background:var(--brand-soft)}

.frac-formula-block{max-width:40rem}
.frac-formula-block > p{color:var(--muted);margin-bottom:1.15rem}
.frac-formula{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;
  gap:.65rem 1rem;font-family:var(--display);font-size:clamp(1.25rem,3vw,1.55rem);
  font-weight:700;color:var(--ink);padding:.35rem 0 0;
}
.frac-formula .frac-stack{min-width:1.5em}
.frac-formula-op{color:var(--muted);font-weight:700;padding:0 .1rem}

.frac-example-body{max-width:40rem}
.page-fraction .steps-list{gap:0}
.page-fraction .steps-list li{
  position:relative;padding:1rem 0 1rem 3rem;border-bottom:1px solid var(--line);
  counter-increment:fracstep;
}
.page-fraction .steps-list{counter-reset:fracstep}
.page-fraction .steps-list li:last-child{border-bottom:0}
.page-fraction .steps-list li::before{
  content:counter(fracstep);position:absolute;left:0;top:1rem;
  width:2rem;height:2rem;border-radius:50%;
  display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-2);
  font-family:var(--display);font-size:.85rem;font-weight:700;
}
.page-fraction .example-result{
  display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1rem;
  margin-top:1.25rem;padding:1.1rem 0 0;background:none;border-radius:0;
  border-top:1px solid var(--line);font-family:var(--display);
  font-size:1.35rem;font-weight:700;
}
.page-fraction .example-result-label{
  font-family:var(--font);font-size:.72rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
}

.facts-list{
  list-style:none;display:grid;gap:1.5rem 2.5rem;margin:0;padding:0;
  counter-reset:fact;align-items:start;
}
@media(min-width:700px){.facts-list{grid-template-columns:1fr 1fr}}
.facts-list li{
  counter-increment:fact;padding:0;max-width:32rem;
  height:auto;max-height:none;overflow:visible;
}
.facts-list h3{
  font-family:var(--display);font-size:1.12rem;font-weight:700;
  letter-spacing:-.02em;margin-bottom:.4rem;
  display:flex;gap:.55rem;align-items:baseline;
}
.facts-list h3::before{
  content:counter(fact, decimal-leading-zero);
  font-size:.78rem;font-weight:700;letter-spacing:.06em;
  color:var(--brand-2);font-family:var(--font);flex-shrink:0;
}
.facts-list p{
  color:var(--muted);font-size:.95rem;line-height:1.65;margin:0;
  height:auto;max-height:none;overflow:visible;
}

.related-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:.35rem .15rem;
  font-size:.95rem;
}
.related-row a{
  color:var(--brand-2);font-weight:650;padding:.25rem .45rem;
  border-radius:6px;transition:background .2s,color .2s;
}
.related-row a:hover{background:var(--brand-soft);color:var(--ink);opacity:1}
.related-sep{color:var(--muted);opacity:.5;padding:0 .15rem;user-select:none}

.page-fraction .faq-list-quiet .faq-item{
  background:transparent;box-shadow:none;
  border-bottom:1px solid var(--line);border-radius:0;
}
.page-fraction .faq-list-quiet .faq-item.open{box-shadow:none}
.page-fraction .faq-list-quiet .faq-question{padding-left:0;padding-right:0}
.page-fraction .faq-list-quiet .faq-answer{padding-left:0;padding-right:0}

@media(max-width:520px){
  .frac-equation{gap:1rem .75rem}
  .frac-equals{width:100%;text-align:center;order:3;margin:.15rem 0}
  .frac-result{width:100%;order:4}
}

@media(max-width:959px){
  .calc-panel-result .result-box{max-width:none;padding:.25rem}
}
.frac-actions,
.unit-actions{
  position:static!important;background:transparent!important;
  box-shadow:none!important;backdrop-filter:none!important;padding:0!important;
  border-radius:0!important;
}

@media print{
  header,footer,.no-print,.jump-nav,.bmi-gauge,.result-actions,.result-ring{display:none!important}
  body{background:#fff}.card-tool{box-shadow:none}
}

/* ── Unit Converter (page-specific) ────────────────────── */
.page-unit .page-header{max-width:40rem;margin-bottom:1.75rem}
.page-unit .page-header h1{margin-bottom:.4rem}
.page-unit .unit-hero{margin-bottom:2.75rem}

.card-tool-unit{
  position:relative;
  background:
    linear-gradient(180deg,rgba(255,255,255,.92) 0%,rgba(247,250,249,.96) 100%),
    repeating-linear-gradient(0deg,transparent,transparent 23px,rgba(15,159,148,.045) 23px,rgba(15,159,148,.045) 24px),
    repeating-linear-gradient(90deg,transparent,transparent 23px,rgba(15,28,26,.03) 23px,rgba(15,28,26,.03) 24px);
  box-shadow:var(--shadow);
  animation:unitStageIn .55s var(--ease);
}
html.dark .card-tool-unit{
  background:
    linear-gradient(180deg,rgba(19,32,30,.94) 0%,rgba(14,24,22,.97) 100%),
    repeating-linear-gradient(0deg,transparent,transparent 23px,rgba(45,212,191,.06) 23px,rgba(45,212,191,.06) 24px),
    repeating-linear-gradient(90deg,transparent,transparent 23px,rgba(240,250,248,.04) 23px,rgba(240,250,248,.04) 24px);
}
@keyframes unitStageIn{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:none}
}
.card-tool-unit::before{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:
    radial-gradient(ellipse 55% 40% at 88% 8%,rgba(15,159,148,.11),transparent 58%),
    radial-gradient(ellipse 45% 35% at 8% 100%,rgba(15,159,148,.07),transparent 55%);
}
html.dark .card-tool-unit::before{
  background:
    radial-gradient(ellipse 55% 40% at 88% 8%,rgba(45,212,191,.1),transparent 58%),
    radial-gradient(ellipse 45% 35% at 8% 100%,rgba(45,212,191,.06),transparent 55%);
}

.calc-tool-unit{display:block;position:relative;z-index:1;padding:1.75rem 1.35rem 1.5rem}
@media(min-width:700px){.calc-tool-unit{padding:2.35rem 2.25rem 1.85rem}}

.unit-form{display:flex;flex-direction:column;align-items:center;gap:1.65rem}
.unit-flow{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:clamp(.65rem,2vw,1.1rem);width:100%;
}

.unit-amount{
  display:flex;align-items:stretch;
  flex:1 1 14rem;max-width:20rem;min-width:min(100%,12rem);
  border:1.5px solid var(--line);border-radius:14px;
  background:rgba(255,255,255,.82);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.65);
  transition:border-color .2s,box-shadow .2s,background .2s;
  overflow:hidden;
}
html.dark .unit-amount{background:rgba(0,0,0,.22);box-shadow:none}
.unit-amount:focus-within{
  border-color:var(--brand-2);
  box-shadow:0 0 0 3px var(--brand-soft);
}
.unit-amount-to{flex:0 1 7.5rem;max-width:9rem;min-width:5.5rem}

.unit-value-input{
  flex:1 1 auto;min-width:0;width:auto!important;
  border:0!important;border-radius:0!important;box-shadow:none!important;
  background:transparent!important;
  font-family:var(--display)!important;font-size:clamp(1.55rem,4vw,2rem)!important;
  font-weight:700!important;letter-spacing:-.035em;
  padding:.85rem 1rem!important;min-height:3.4rem;
  -moz-appearance:textfield;
}
.unit-value-input::-webkit-outer-spin-button,
.unit-value-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.unit-value-input:focus{outline:none;transform:none}

.unit-select{
  appearance:none;-webkit-appearance:none;
  border:0!important;border-radius:0!important;box-shadow:none!important;
  background:transparent!important;
  font-family:var(--display)!important;font-size:1.2rem!important;font-weight:700!important;
  letter-spacing:-.02em;color:var(--brand-2)!important;
  padding:.85rem 2.1rem .85rem .85rem!important;min-height:3.4rem;
  cursor:pointer;flex:0 0 auto;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%230f9f94' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")!important;
  background-repeat:no-repeat!important;
  background-position:right .75rem center!important;
  background-size:12px 8px!important;
}
.unit-select:focus{outline:none;transform:none}
.unit-select-from{
  border-left:1px solid var(--line)!important;
  min-width:4.75rem;
}
.unit-select-to{width:100%;min-width:0;padding-left:1rem!important}

.unit-swap{
  display:grid;place-items:center;
  width:2.65rem;height:2.65rem;padding:0;flex:0 0 auto;
  border:1.5px solid var(--line);border-radius:50%;
  background:rgba(255,255,255,.85);color:var(--brand-2);
  cursor:pointer;
  transition:background .2s,border-color .2s,color .2s,transform .2s var(--ease);
}
html.dark .unit-swap{background:rgba(0,0,0,.25)}
.unit-swap:hover{
  background:var(--brand-soft);border-color:var(--brand-2);
  transform:rotate(180deg);
}
.unit-swap:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}

.unit-equals{display:none}

.unit-result{
  flex:1 0 100%;
  max-width:none;padding:.55rem .25rem 0;min-width:0;text-align:center;
  animation:none;
}
.unit-result .result-value{
  font-size:clamp(2.35rem,6.5vw,3.4rem);min-height:1.15em;
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;
  gap:.3rem .5rem;line-height:1;
}
.unit-result.is-ready .result-value{animation:resultIn .45s var(--ease)}
.unit-num{font-family:var(--display);font-weight:700;letter-spacing:-.045em}
.unit-abbr{
  font-family:var(--display);font-size:.42em;font-weight:700;
  letter-spacing:-.02em;color:var(--brand-2);line-height:1;
  padding-bottom:.12em;
}

.unit-actions{
  justify-content:center;margin-top:.1rem;
  position:static!important;background:transparent!important;
  box-shadow:none!important;backdrop-filter:none!important;padding:0!important;
}
.unit-actions .btn-ghost{color:var(--muted);min-height:42px;padding:.5rem .85rem}
.unit-actions .btn-ghost:hover{color:var(--ink);text-decoration:none;background:var(--brand-soft)}

@media(max-width:640px){
  .unit-flow{flex-direction:column;align-items:stretch;gap:.85rem}
  .unit-amount,.unit-amount-to{max-width:none;flex:1 1 auto;width:100%}
  .unit-swap{align-self:center;transform:rotate(90deg)}
  .unit-swap:hover{transform:rotate(270deg)}
  .unit-result{padding-top:.25rem}
}