:root{--paper:#f6f5ef;--card:#fffefa;--ink:#203c33;--muted:#637269;--forest:#244f40;--line:#e0e4d8;--soft:#e9eddf;--gold:#d9b776;--focus:#477d62;--error:#9f3930;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;color:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
a{color:var(--forest)}button:disabled{opacity:.45;cursor:not-allowed}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:fixed;top:-70px;left:20px;background:var(--card);padding:12px;z-index:20}.skip:focus{top:10px}
.sidebar{position:fixed;inset:0 auto 0 0;width:206px;background:var(--card);border-right:1px solid var(--line);padding:24px;display:flex;flex-direction:column}
.brand{border:0;padding:0;background:none;display:flex;align-items:center;gap:8px;color:var(--ink);font-size:22px;font-weight:650;letter-spacing:-.7px;min-height:48px;min-width:0;white-space:nowrap;text-align:left}
.brand-icon{display:block;width:36px;height:36px;flex-shrink:0;border-radius:10px;overflow:hidden}.brand-icon svg{display:block;width:100%;height:100%}.brand-name{overflow:hidden;text-overflow:ellipsis}
.sidebar nav{display:grid;gap:8px;margin-top:36px}.sidebar nav button{border:0;background:none;text-align:left;padding:12px;border-radius:12px;font-size:14px;font-weight:550;min-height:48px}
.sidebar nav button span{font-size:21px;width:29px;display:inline-block;vertical-align:middle}.sidebar nav button[aria-current=page]{background:var(--soft);color:var(--forest)}
.sidebar-bottom{margin-top:auto}.sidebar-bottom p{font-size:10px;letter-spacing:2px;line-height:1.9;font-weight:650}.sidebar-bottom small{font-size:11px;color:var(--muted)}
i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#7f9e66;margin-right:5px}
main{margin-left:206px;padding:12px 36px 28px;max-width:1550px}.topbar{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-height:48px;margin-bottom:16px}.topbar .brand{display:none}
.prototype-badge{font-size:9px;letter-spacing:1.4px;color:var(--muted)}.theme-toggle{flex-shrink:0;border:1px solid var(--line);border-radius:50%;width:48px;height:48px;background:var(--card);font-size:20px}
.eyebrow{font-size:10px;font-weight:650;letter-spacing:1.5px;color:var(--forest);margin:0 0 8px}
.intro{margin-bottom:20px}.intro h1{font:400 36px/1.12 Georgia,"Times New Roman",serif;letter-spacing:-1px;margin:0 0 10px}.intro>p:last-child{color:var(--muted);font-size:15px;max-width:650px;margin:0}
.workspace{display:grid;grid-template-columns:minmax(300px,1fr) minmax(260px,.8fr);gap:16px;align-items:start}.workspace>.left,.workspace>.right{display:grid;gap:16px;min-width:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}.calculator{display:grid;gap:8px}
.inputs{display:flex;flex-wrap:wrap;gap:10px}.inputs .amount-label{flex:1.35 1 150px;min-width:min(100%,max(130px,var(--amount-min,130px)))}.inputs>label{flex:1 1 110px;min-width:110px}.inputs.wide-unit{flex-direction:column}.inputs.wide-unit>.amount-label,.inputs.wide-unit>label{flex:auto;min-width:0}
label{display:block;font-size:12px;font-weight:600;color:var(--muted)}label>span{display:block;margin-bottom:5px}
input,select{width:100%;min-height:56px;border:1px solid #c6cebf;border-radius:10px;background:var(--card);color:var(--ink);padding:10px 12px;min-width:0}
#amount{font-size:1.125rem;font-variant-numeric:tabular-nums;letter-spacing:0}select{font-size:15px;padding-right:26px}input[aria-invalid=true]{border:2px solid var(--error)}
.hint{font-size:12px;line-height:1.6;color:var(--muted);margin:8px 0 0}.error{color:var(--error);font-size:13px;margin:8px 0}
.toggle{display:flex;align-items:center;gap:9px;min-height:48px;font-size:14px;color:var(--ink);font-weight:400}
.toggle input{appearance:none;min-height:0;width:36px;height:22px;padding:0;border:0;background:#bcc7b8;border-radius:20px;position:relative;flex-shrink:0}
.toggle input:after{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;left:3px;top:3px;transition:transform .2s}
.toggle input:checked{background:var(--forest)}.toggle input:checked:after{transform:translateX(14px)}.test-weight{margin-top:8px}
h2{font:400 22px/1.25 Georgia,serif;letter-spacing:-.3px;margin:0}h3{font-size:16px;font-weight:600;margin:0}.section-heading{margin-bottom:8px}.section-heading p{font-size:12px;color:var(--muted);margin:4px 0 0}
.hero{background:#244f40;color:#fff;border:0;padding:12px 16px;position:relative;overflow:hidden}.hero .eyebrow{color:#c1d4b8;margin:0}
.hero-quantity{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px;position:relative;z-index:1}.hero-value{font-size:30px;font-weight:500;letter-spacing:-.8px;line-height:1.35;overflow-wrap:anywhere}
.hero-unit{font-size:16px;color:#e2e9d9}.hero svg{position:absolute;right:12px;bottom:0;width:85px;height:70px;opacity:.13;pointer-events:none}.hero.has-large-number svg{display:none}
.mass-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,max(145px,var(--metric-min,145px))),1fr));gap:10px}.metric{padding:12px;border-radius:14px}.metric strong{font-size:24px;font-weight:500;letter-spacing:-.6px;display:block;white-space:nowrap}.metric-value{overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:thin}.metric span{font-size:13px;color:var(--muted)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}.chip{border:1px solid var(--line);border-radius:9px;padding:8px 12px;background:transparent;font-size:14px;min-height:48px}
.chip[aria-pressed=true]{background:var(--forest);border-color:var(--forest);color:var(--paper)}
.bag-number{font-size:24px;font-weight:500;letter-spacing:-.5px;line-height:1.3;overflow-wrap:anywhere}.bag-number small{font-size:14px;letter-spacing:0;font-weight:400;color:var(--muted)}
.pack-summary{border-top:1px solid var(--line);padding-top:10px;display:grid;gap:6px}.pack-summary>div{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px 12px;font-size:13px}.pack-summary b{font-weight:600}
.compare-bags{padding-top:10px;margin-top:10px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.link-button{background:none;border:0;color:var(--forest);padding:6px 0;font-size:14px;font-weight:500;min-height:48px;text-align:left}.disclosure{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px}
.load-section{grid-column:1/-1}.load-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.load-toolbar label{min-width:240px}
.segments{display:flex;border:1px solid var(--line);padding:3px;border-radius:11px;gap:3px;align-self:end;background:var(--card)}.segments button{border:0;background:transparent;font-size:14px;border-radius:7px;padding:8px 18px;min-height:48px}
.segments button[aria-pressed=true]{background:var(--soft);color:var(--forest);font-weight:600}
.equipment-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.equipment-card{padding:14px;position:relative;display:flex;align-items:center;gap:12px;text-align:left;transition:border-color .15s}
.equipment-card:hover{border-color:#98aa8d}.equipment-card>svg{width:64px;height:64px;flex-shrink:0}.equipment-info{min-width:0;flex:1}.equipment-card h3{font-size:16px;font-weight:600;padding-right:12px}
.equipment-card .load-value{font-size:24px;letter-spacing:-.5px;line-height:1.35;color:var(--forest);overflow-wrap:anywhere}.equipment-card .load-unit{font-size:13px;letter-spacing:0}
.equipment-card .whole,.equipment-card .capacity,.equipment-card .limit{display:block;font-size:12px;line-height:1.5;color:var(--muted);margin-top:3px}.equipment-card .whole{font-weight:550;color:var(--ink)}
.equipment-card .learn{font-size:13px;position:absolute;top:12px;right:12px;color:var(--muted)}
.guide-callout{display:flex;align-items:center;gap:16px;background:var(--soft);padding:16px;border-radius:16px;margin-top:16px}.guide-callout svg{width:90px;flex-shrink:0}.guide-callout h3{font:400 22px Georgia,serif}.guide-callout p{font-size:13px;color:var(--muted);margin:4px 0}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.guide-card{padding:20px;text-align:left;display:flex;flex-direction:column;align-items:flex-start}.guide-card:hover{border-color:#98aa8d}
.guide-card svg{width:100%;height:170px;margin-bottom:12px}.guide-card h2{font-size:25px;margin-bottom:10px}.guide-card .description{font-size:14px;line-height:1.6;margin:0 0 12px}.guide-card .example{margin-top:auto;font-size:13px;color:var(--forest);font-weight:550}.guide-card .learn{font-size:13px;margin-top:12px}
.sources{margin-top:20px}.sources details{border-top:1px solid var(--line);padding:12px 0}.sources summary{cursor:pointer;font-size:14px;font-weight:600;min-height:48px;display:flex;align-items:center}.sources details p,.sources a{font-size:13px}.sources details p{color:var(--muted)}.sources>.hint{margin-bottom:16px}
.default-intro{max-width:750px}.default-actions{display:flex;align-items:center;gap:12px;position:sticky;top:8px;z-index:3;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);padding:12px 16px;border-radius:15px;margin-bottom:16px;box-shadow:0 3px 20px #203c3308}
.primary,.secondary{border:1px solid var(--forest);border-radius:9px;padding:10px 16px;min-height:48px;font-size:14px;font-weight:600;background:var(--forest);color:var(--paper)}.secondary{background:transparent;color:var(--forest);border-color:var(--line)}
.default-group{margin-bottom:16px}.default-group .fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:20px}.field .hint{margin-top:6px}.field label{font-size:13px}
.storage-error{background:#f7e5df;color:#87382d;font-size:13px;padding:12px;border-radius:10px;margin:12px 0}.mobile-nav{display:none}
footer{border-top:1px solid var(--line);padding-top:16px;margin-top:24px;font-size:9px;letter-spacing:1.3px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}footer span{letter-spacing:0;font-size:10px}
dialog{max-width:650px;width:calc(100% - 28px);max-height:90dvh;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:24px;padding:28px;box-shadow:0 24px 100px #142a3866;overscroll-behavior:contain}
dialog::backdrop{background:#162c27a3;backdrop-filter:blur(5px)}dialog .close{position:absolute;right:10px;top:10px;background:var(--soft);border:0;border-radius:50%;width:48px;height:48px;font-size:25px;z-index:1}
dialog svg{width:100%;height:200px}dialog h2{font-size:34px;line-height:1.1;margin:8px 0 16px}dialog .description{font-size:17px;line-height:1.6}dialog .example{padding:16px;background:var(--soft);border-radius:12px;font-size:14px;font-weight:550;margin:16px 0}
dialog .detail-copy{font-size:16px;line-height:1.6;color:var(--muted)}dialog .detail-links{display:grid;gap:12px;margin:16px 0}dialog .detail-links a{font-size:14px;min-height:48px}dialog .primary{width:100%;margin-top:12px}
.toast{position:fixed;bottom:35px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--card);border-radius:12px;padding:12px 22px;z-index:20;font-size:13px;box-shadow:0 5px 30px #14241e33;opacity:0;pointer-events:none;transition:opacity .2s}.toast.show{opacity:1}
body.dark{--paper:#14241e;--card:#1e3027;--ink:#f0efe6;--muted:#b6c5b8;--forest:#b0d0b9;--line:#3a4e40;--soft:#304737;--focus:#dfc08c;--error:#ffa591;color-scheme:dark}
body.dark .hero{background:#254e3e}body.dark .chip[aria-pressed=true],body.dark .primary{color:#14241e}body.dark input,body.dark select{border-color:#63745f}body.dark .storage-error{background:#58362d;color:#ffcfb0}
@media(max-width:1100px){main{padding-inline:24px}.workspace{grid-template-columns:1fr}.workspace>.right{grid-row:auto}.equipment-grid{grid-template-columns:1fr}}
@media(max-width:880px){.sidebar{display:none}main{margin-left:0;max-width:760px;margin-inline:auto;padding:12px 16px 100px}.topbar{justify-content:space-between;margin-bottom:12px}.topbar .brand{display:flex}.prototype-badge{margin-left:auto;font-size:8px;letter-spacing:.6px}
.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--line);padding:6px 12px max(8px,env(safe-area-inset-bottom));justify-content:space-around;z-index:5}.mobile-nav button{background:none;border:0;min-height:48px;flex:1;font-size:20px;display:grid;place-items:center;gap:1px}.mobile-nav button span{font-size:12px}.mobile-nav button[aria-current=page]{color:var(--forest);background:var(--soft);border-radius:12px}.toast{bottom:90px}}
@media(max-width:620px){.prototype-badge{display:none}.intro h1{font-size:32px}.workspace{display:flex;flex-direction:column;gap:16px}.workspace>.left,.workspace>.right{width:100%}
.load-toolbar{align-items:stretch;flex-direction:column;gap:8px}.segments{align-self:start}.load-toolbar label{min-width:0}.load-section{width:100%}.guide-grid{grid-template-columns:1fr}.default-group .fields{grid-template-columns:1fr}.default-actions .hint{margin:0;width:100%}dialog{padding:26px 20px}.toast{max-width:90vw;width:max-content}footer{line-height:1.8}}
@media(max-width:359px){.inputs{flex-direction:column}.inputs>.amount-label,.inputs>label{flex:auto;min-width:0}.mass-grid{grid-template-columns:1fr}.equipment-card>svg{display:none}.default-actions{position:static}.guide-callout svg{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.field-reset{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}.field-reset button{padding-inline:12px}
.about-settings{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}.about-settings>span{font-size:12px;color:var(--muted)}
.about-icon{width:64px;height:64px;border-radius:16px;overflow:hidden}.about-icon svg{width:64px;height:64px}.about-credit{color:var(--forest);font-weight:550;margin:0}

@media(max-width:760px){.prototype-badge{display:none}}

.amount-entry{position:relative}#amount{padding-right:56px}.amount-entry button{position:absolute;right:4px;top:4px;width:48px;height:48px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:24px;line-height:1}.amount-entry button:hover:enabled{background:var(--soft)}

/* Keep About independent of page scrolling and mobile dynamic-viewport changes. */
html{scrollbar-gutter:stable}body.modal-open{position:fixed;left:0;right:0;overflow:hidden;overscroll-behavior:none}
dialog.about-dialog{height:85vh;height:85svh;max-height:800px;overflow:hidden;padding:0}
dialog.about-dialog #detail-content{height:100%;overflow-y:auto;overscroll-behavior:none;padding:28px;scrollbar-gutter:stable}
@media(max-width:620px){dialog.about-dialog #detail-content{padding:26px 20px}}

/* Costs share Convert's navigation and the app's existing palette. */
[hidden]{display:none!important}
.convert-switch{max-width:760px;margin:0 0 16px;align-self:auto}.convert-switch button{flex:1}
.cost-workspace{max-width:1100px}.cost-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px}.cost-heading h1{font:400 26px/1.25 Georgia,serif;letter-spacing:-.4px;margin:0;overflow-wrap:anywhere}.cost-count{display:inline-grid;place-items:center;background:var(--soft);border-radius:20px;min-width:23px;padding:1px 5px;margin-left:5px;font-size:12px}
.cost-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:16px;align-items:start}.cost-inputs,.cost-results{display:grid;gap:12px;min-width:0}.cost-fields{display:flex;flex-wrap:wrap;gap:10px;align-items:start}.cost-fields>.cost-number,.cost-fields>label{flex:1 1 var(--cost-field-min,160px);min-width:min(100%,var(--cost-field-min,160px))}.cost-number .amount-entry{display:flex;align-items:center;border:1px solid #c6cebf;border-radius:10px;background:var(--card)}.cost-number input{flex:1;width:0;min-width:0;min-height:54px;padding:10px 12px;border:0;border-radius:10px 0 0 10px;background:transparent;font-size:18px;font-variant-numeric:tabular-nums}.cost-number input[aria-invalid=true]{border:2px solid var(--error)}.cost-number .amount-entry button{position:static;flex:0 0 48px;width:48px;height:48px;margin-right:3px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-size:24px;line-height:1}.cost-calculation{margin:8px 0 0;overflow-wrap:anywhere}body.dark .cost-number .amount-entry{border-color:#63745f}.cost-number .amount-entry button:hover:enabled{background:var(--soft)}
.cost-equipment{display:flex;align-items:center;gap:10px;min-width:0}.cost-equipment>svg{width:58px;height:45px;flex-shrink:0}.cost-equipment>label,.cost-equipment>div{flex:1;min-width:0}.cost-equipment h2{font-family:inherit;font-size:16px;font-weight:600;overflow-wrap:anywhere}.cost-equipment .hint{margin-top:3px}.cost-actions{display:flex;flex-wrap:wrap;gap:4px 18px}.cost-actions .link-button{font-size:12px}.cost-hero .eyebrow{font-size:10px}.cost-readout{overflow-x:auto;scrollbar-width:thin;overscroll-behavior-inline:contain}.cost-readout strong{font-size:36px;font-weight:500;letter-spacing:-.8px;white-space:nowrap}.cost-readout small{font-size:15px;letter-spacing:0}.cost-hero>p:last-child{font-size:13px;margin:2px 0 0;color:#e2e9d9;overflow-wrap:anywhere}.rate-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,155px),1fr));gap:10px;margin-top:10px}.rate-grid strong{font-size:22px}.cost-save{width:100%;min-height:48px}.cost-fine{margin:0;font-size:11px}
.cost-saved-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:12px;margin-top:16px}.cost-saved-grid h2{overflow-wrap:anywhere}.cost-comparison{max-width:760px}.cost-comparison>.card{margin-top:12px}.cost-best{border-color:#9cab8c}.cost-best-tag{display:inline-block;background:var(--soft);padding:3px 6px;border-radius:5px;font-size:9px;letter-spacing:.5px;color:var(--forest);margin-top:5px}.cost-remove{width:48px;height:48px;border:0;border-radius:10px;background:transparent;color:var(--muted);font-size:24px;flex-shrink:0}.cost-remove:hover{background:var(--soft)}.cost-quote-values{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px;margin-top:8px}.cost-quote-rate,.cost-total{flex:1 1 180px;min-width:0}.cost-quote-rate strong,.cost-total strong{display:block;font-weight:500;white-space:nowrap;overflow-x:auto;scrollbar-width:thin}.cost-quote-rate strong{font-size:28px;letter-spacing:-.5px}.cost-quote-rate small{font-size:13px;font-weight:400;color:var(--muted)}.cost-quote-rate span,.cost-total span{font-size:11px;color:var(--muted);display:block}.cost-total{text-align:right}.cost-total strong{font-size:20px;font-weight:550}.cost-bar{height:5px;border-radius:8px;background:var(--soft);overflow:hidden;margin-top:12px}.cost-bar>div{height:100%;background:var(--muted);border-radius:8px}.cost-best .cost-bar>div{background:var(--forest)}.cost-savings{padding:14px;background:var(--soft);border:1px solid var(--line);border-radius:14px;margin-top:12px;overflow-wrap:anywhere}.cost-savings strong{font-size:16px;font-weight:600}.cost-savings p{font-size:12px;color:var(--muted);margin:4px 0 0}.cost-comparison>.cost-save{margin-top:12px}.cost-dialog-fields{display:grid;gap:12px}dialog .cost-dialog-fields .primary{margin-top:0}
.cost-assumption-row{display:flex;align-items:center;gap:10px}.cost-assumption-row>.hint{flex:1;font-size:11px;margin:0}.cost-assumption-row>button{font-size:12px;flex-shrink:0}
.cost-rail-summary{padding-top:8px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);line-height:1.55}.cost-rail-summary p{margin:3px 0;overflow-wrap:anywhere}.cost-rail-summary .error{font-size:12px}.cost-rail-note{font-size:11px;margin:0}
@media(max-width:1100px){.cost-layout{grid-template-columns:1fr}.cost-workspace{max-width:760px}}
@media(max-width:400px){.cost-total{text-align:left}.cost-quote-rate,.cost-total{flex-basis:100%}.cost-readout strong{font-size:32px}}

.cost-bushel{grid-column:1/-1}.cost-bushel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.cost-bushel-heading>div{min-width:0}.cost-bushel .hint{font-size:11px;margin:2px 0 0}.cost-bushel .link-button{font-size:12px;flex-shrink:0}

.load-config{margin-bottom:12px}.truck-controls{display:grid;gap:8px}.truck-controls .hint{margin:0}.truck-controls .link-button{font-size:12px}