:root{
  --bg:#ECEEE8; --surface:#FFFFFF; --ink:#1B1D20; --muted:#666B64; --line:#D5D8D0;
  --tag:#FFD83D; --tag-ink:#1B1D20; --best:#0E7A4F; --worse:#A33A2A; --focus:#1F5FD1;
  --num:"Barlow Condensed","Arial Narrow","Roboto Condensed",sans-serif;
  --body:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root{--bg:#16181B; --surface:#212428; --ink:#ECEEE8; --muted:#9BA197; --line:#33373C;
        --best:#4CC38A; --worse:#F08A76; --focus:#7FA8FF; color-scheme:dark;}
}
*,*::before,*::after{box-sizing:inherit}
html{height:100%}
body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font:400 17px/1.45 var(--body);
  -webkit-tap-highlight-color:transparent}
main{max-width:480px;margin:0 auto;padding:16px 16px 40px}

/* The shelf tag */
.tag{background:var(--tag);color:var(--tag-ink);border-radius:6px 6px 22px 6px;padding:14px 18px 16px;
  position:relative;box-shadow:0 2px 0 rgba(0,0,0,.18)}
.tag::after{content:"";position:absolute;top:14px;right:16px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);box-shadow:inset 0 1px 2px rgba(0,0,0,.35)}
.tag-title{font:600 15px/1.2 var(--body);margin:0}
.tag-price{font:800 clamp(56px,19vw,88px)/.95 var(--num);letter-spacing:-.01em;margin:6px 0 2px;
  font-variant-numeric:tabular-nums;white-space:nowrap}
.tag-price small{font-size:.38em;font-weight:600;letter-spacing:0;margin-left:4px}
.tag-price.empty{opacity:.35}
.tag-sub{font:500 15px/1.3 var(--body);margin:0;min-height:1.3em}

/* Inputs */
form{margin-top:18px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field.wide{grid-column:1/-1}
label{font:600 14px/1.2 var(--body);color:var(--muted)}
.input-wrap{display:flex;align-items:baseline;background:var(--surface);border:2px solid var(--line);
  border-radius:10px;padding:0 12px;transition:border-color .15s}
.input-wrap:focus-within{border-color:var(--focus)}
input{flex:1;min-width:0;width:100%;border:0;background:transparent;color:var(--ink);outline:none;
  font:600 30px/1 var(--num);padding:12px 0;font-variant-numeric:tabular-nums}
input#name{font:500 18px/1.2 var(--body);padding:14px 0}
input::placeholder{color:var(--muted);opacity:.55}
.unit{font:600 18px/1 var(--num);color:var(--muted);padding-left:6px}
.packs{display:flex;align-items:center;gap:10px;grid-column:1/-1;font-size:15px;color:var(--muted)}
.stepper{display:flex;align-items:center;background:var(--surface);border:2px solid var(--line);border-radius:10px}
.stepper button{width:44px;height:42px;border:0;background:none;color:var(--ink);font:600 24px/1 var(--body);cursor:pointer}
.stepper output{min-width:28px;text-align:center;font:600 22px/1 var(--num);color:var(--ink)}
.add{grid-column:1/-1;height:56px;border:0;border-radius:10px;background:var(--ink);color:var(--bg);
  font:600 18px/1 var(--body);cursor:pointer}
.add.dim{opacity:.45}
.form-error{grid-column:1/-1;margin:-4px 0 0;color:var(--worse);font:600 15px/1.3 var(--body)}
button:focus-visible{outline:3px solid var(--focus);outline-offset:2px}

/* Comparison list */
.list-head{display:flex;justify-content:space-between;align-items:baseline;margin:30px 0 8px}
.list-head h2{font:800 26px/1 var(--num);margin:0}
.clear{border:0;background:none;color:var(--muted);font:500 15px var(--body);padding:8px 0;cursor:pointer;text-decoration:underline}
ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
li{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:6px 12px;background:var(--surface);
  border-radius:10px;padding:12px 6px 12px 14px;border-left:6px solid var(--line)}
li.best{border-left-color:var(--best)}
li.fresh{animation:pop .5s ease-out}
@keyframes pop{from{background:var(--tag);color:var(--tag-ink)}}
.item-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item-meta{font-size:14px;color:var(--muted);grid-column:1}
.item-kg{grid-row:1/3;grid-column:2;text-align:right;font:800 28px/1 var(--num);font-variant-numeric:tabular-nums;white-space:nowrap}
.item-kg small{font-size:14px;font-weight:600;color:var(--muted)}
.item-diff{display:block;font:600 14px/1.4 var(--body);margin-top:2px}
li.best .item-diff{color:var(--best)}
li:not(.best) .item-diff{color:var(--worse)}
.del{grid-row:1/3;grid-column:3;width:40px;height:40px;border:0;border-radius:8px;background:none;color:var(--muted);
  font-size:22px;cursor:pointer}
.empty-list{color:var(--muted);font-size:15px;margin:0;padding:14px;border:2px dashed var(--line);border-radius:10px}
@media (prefers-reduced-motion:reduce){li.fresh{animation:none}*{transition:none!important}}

.version{margin:28px 0 0;text-align:center;font-size:13px;color:var(--muted)}
.js-error{background:var(--worse);color:#fff;padding:10px 12px;border-radius:8px;font-size:14px;margin:12px 0 0}