.bottle-demo{background:#fcfbfd;font-size:16px}.bottle-demo h1{font-size:clamp(35px,4vw,51px);letter-spacing:-.05em;line-height:1.15}.bottle-demo h2{font-size:28px;line-height:1.25;letter-spacing:-.035em}.bottle-demo h3{font-size:20px;line-height:1.4}.bottle-demo p{line-height:1.75;color:var(--muted)}.demo-header{display:flex;align-items:center;gap:25px;padding-block:18px}.demo-header .back-link{margin-left:auto;font-size:14px;color:var(--muted)}.demo-banner{background:#f0ecf8;border-block:1px solid #e5deef;font-size:13px;color:#60516f}.demo-banner .wrap{display:flex;gap:17px;align-items:center;padding-block:12px;flex-wrap:wrap}.demo-intro{display:flex;justify-content:space-between;align-items:center;gap:50px;padding-block:48px 35px}.demo-intro p{font-size:16px;max-width:650px;margin-top:20px}.demo-start{display:grid;gap:12px;flex-shrink:0}.demo-start>span{font-size:12px;color:var(--muted);text-align:center}.demo-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:5px;background:#f0edf5;border:1px solid #e6e0ee;border-radius:12px;gap:5px;margin-bottom:30px}.demo-tabs button{font:inherit;font-size:12px;color:#78658e;display:flex;align-items:center;justify-content:center;gap:11px;padding:16px 10px;min-height:55px;border:1px solid transparent;border-radius:8px;background:transparent;cursor:pointer}.demo-tabs button span{font-size:15px;font-weight:550;color:#65596f}.demo-tabs button[aria-selected=true]{background:#fff;border-color:#e1d9ef;box-shadow:0 2px 5px #40255409}.demo-tabs button[aria-selected=true] span{color:var(--accent-dark)}[role=tabpanel]{padding:6px 0 30px;min-height:420px}.result-context{display:flex;justify-content:space-between;align-items:center;gap:35px;margin-bottom:25px}.result-context p{font-size:14px;margin-top:12px;max-width:670px}.result-context label{display:grid;gap:8px;font-size:13px;min-width:290px}.bottle-demo select,.bottle-demo input{font:inherit;border:1px solid #dcd6e7;border-radius:7px;background:#fff;padding:12px;min-height:47px;color:var(--ink);width:100%;max-width:100%}.result-context select{font-size:13px}.ready-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.comparison-card,.recommendation-card{padding:25px;border:1px solid #e5deec;border-radius:14px;background:#fff}.comparison-head{display:flex;justify-content:space-between;align-items:center;font-size:17px;margin-bottom:20px}.mass-pair{display:grid;grid-template-columns:1fr 1fr;gap:30px}.mass-pair>div{display:flex;flex-direction:column;gap:8px}.mass-pair span{font-size:13px;color:#6b6176}.mass-pair strong{font-size:47px;font-weight:550;letter-spacing:-.045em}.mass-pair small{font-size:22px;font-weight:400}.mass-bar{height:7px;border-radius:8px;background:#d3c9e2;width:100%;margin-bottom:5px}.variant-bar{width:87.88%;background:#7762b4}.sku-list{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:23px;padding-top:20px}.sku-list span{font-size:12px;background:#f7f5fb;padding:7px 9px;border-radius:5px;color:#5b5366}.text-button{border:0;background:none;color:var(--accent-dark);cursor:pointer;font:inherit;font-size:14px;line-height:1.5;text-align:left;min-height:44px;padding:10px 0;font-weight:550}.comparison-card>.text-button{margin-top:13px}.recommendation-card{background:linear-gradient(130deg,#f1ecfa,#faf9fd);display:flex;flex-direction:column}.recommendation-card h2{font-size:31px;margin:20px 0 15px;max-width:390px}.recommendation-card p{font-size:15px}.recommendation-card .pill{align-self:start}.recommendation-card .text-button{margin-top:15px}.recommendation-note{font-size:12px;color:#6d627c;margin-top:auto;padding-top:14px}.demo-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid #e5deec;background:#fff;border-radius:12px;margin-top:24px;overflow:hidden}.demo-metrics article{padding:22px;border-right:1px solid var(--line)}.demo-metrics article:last-child{border:0;background:#f4f0fa}.demo-metrics article>span{font-size:11px;letter-spacing:.04em;line-height:1.5;color:#685777;display:block;min-height:32px}.demo-metrics strong{font-size:38px;letter-spacing:-.045em;font-weight:550;display:block;margin:10px 0 8px}.demo-metrics strong small{font-size:17px;letter-spacing:0}.demo-metrics p{font-size:13px;line-height:1.7}.calculation-detail{margin-top:25px;border-block:1px solid var(--line)}.bottle-demo summary{cursor:pointer;padding:18px 0;font-size:15px;line-height:1.6}.calculation-detail>div{padding-bottom:14px}.calculation-detail p{font-size:14px;margin:0 0 13px}.alternative-note{border-left:3px solid #c3b4dc;padding-left:17px;margin:25px 0}.alternative-note strong{font-size:15px}.alternative-note p{font-size:14px;margin-top:8px}.result-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin-top:26px}.panel-heading{display:flex;gap:40px;align-items:flex-end;justify-content:space-between;margin-bottom:30px}.panel-heading p{font-size:15px;max-width:450px}.source-layout{display:grid;grid-template-columns:1fr 1.7fr;gap:28px;align-items:start;margin-bottom:24px}.source-picker{padding:22px;border:1px solid var(--line);border-radius:12px;background:#fff;display:grid;gap:13px}.source-picker label{font-size:14px;font-weight:550}.source-picker select{font-size:14px}.subtle{font-size:13px!important;color:var(--muted)}.document-view{padding:28px;background:#fff;border:1px solid #e4deec;border-radius:14px;box-shadow:0 10px 30px #3d265107}.document-view h3{font-size:23px;margin:19px 0 10px}.document-reference{font-size:12px;margin-bottom:18px}.document-view blockquote{margin:22px 0;padding:22px;background:#f5f2fa;border-left:3px solid #9884bb;font-size:18px;line-height:1.9;color:#4e405f}.source-context{font-size:14px;line-height:1.75;color:#6e617b;padding-top:15px;border-top:1px solid var(--line)}.document-view details{border-top:1px solid var(--line);margin-top:21px}.document-view details p{font-size:15px;margin-bottom:12px}.task-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.task-list article{display:flex;gap:18px;align-items:flex-start;justify-content:space-between;padding:24px;border:1px solid var(--line);background:#fff;border-radius:12px}.task-list h3{font-size:19px;margin:8px 0 12px}.task-list p{font-size:14px}.task-owner{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--accent)}.task-pending{font-size:11px;white-space:nowrap;padding:6px 8px;background:#f6efde;color:#7c5c20;border-radius:5px}.plain-note{font-size:14px;color:var(--muted);line-height:1.8;padding:24px 0}.exercise-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:start}.exercise-card{padding:28px;border:1px solid var(--line);border-radius:14px;background:#fff}.exercise-progress{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12px;color:#736282;margin-bottom:27px}.exercise-card label{display:grid;gap:17px;font-size:20px;font-weight:550;line-height:1.5}.input-unit{display:flex;align-items:center;gap:12px;font-weight:400}.input-unit input{font-size:20px}.input-unit>span{font-size:18px}.exercise-card form>.subtle{margin:12px 0 24px}.exercise-card .button{width:100%;justify-content:center}.exercise-success>p{font-size:14px;margin:20px 0}.exercise-success .text-button{display:block;margin:10px auto 0}.exercise-success[hidden]{display:none}#mass-equation{display:grid;gap:10px}#mass-equation strong{font-size:31px;letter-spacing:-.035em}#mass-equation span{font-size:13px;color:var(--muted)}#exercise-feedback:not(:empty){padding:16px;border-radius:8px;background:#f4f0fa;color:#534366;font-size:14px;line-height:1.7;margin-top:20px}#exercise-feedback+.exercise-success{margin-top:22px}.demo-limits{border-top:1px solid var(--line);padding-block:12px 30px}.demo-limits p{font-size:14px;margin-bottom:14px;max-width:1000px}.demo-limits a{color:var(--accent-dark)}.demo-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;padding-block:30px;font-size:13px;color:var(--muted)}.demo-footer nav{display:flex;gap:25px;flex-wrap:wrap}.demo-footer a{color:var(--accent-dark)}
@media(max-width:1000px){.demo-intro{gap:25px}.demo-start{max-width:280px;flex-shrink:1}.result-context{align-items:flex-start}.result-context label{min-width:240px}.ready-grid{gap:16px}.comparison-card,.recommendation-card{padding:22px}.recommendation-card h2{font-size:27px}.task-list{grid-template-columns:1fr}.panel-heading{display:block}.panel-heading p{margin-top:16px;max-width:700px}.source-layout{grid-template-columns:1fr 1.5fr}}
@media(max-width:700px){.demo-header{gap:15px;flex-wrap:wrap;padding-block:15px}.demo-header .brand{font-size:20px}.demo-header .back-link{font-size:13px;margin-left:auto}.demo-header>.button{display:none}.demo-banner .wrap{gap:9px;font-size:12px;line-height:1.6;padding-block:11px}.demo-intro{display:block;padding-block:35px 26px}.demo-intro h1{font-size:37px}.demo-intro .eyebrow{font-size:10px!important}.demo-intro p{font-size:16px;margin-top:18px}.demo-start{max-width:none;margin-top:25px}.demo-start .button{width:100%;justify-content:center}.demo-start>span{font-size:12px}.demo-tabs{grid-template-columns:1fr 1fr;margin-bottom:24px}.demo-tabs button{padding:12px 8px;justify-content:flex-start;gap:9px;min-height:51px}.demo-tabs button span{font-size:14px}.result-context{display:block}.result-context h2,.panel-heading h2{font-size:27px}.result-context label{margin-top:23px;min-width:0}.result-context select{font-size:15px}.ready-grid{grid-template-columns:1fr}.comparison-card,.recommendation-card{padding:22px}.mass-pair{gap:20px}.mass-pair span{font-size:12px}.mass-pair strong{font-size:45px}.recommendation-card h2{font-size:29px}.demo-metrics{grid-template-columns:1fr}.demo-metrics article{border:0;border-bottom:1px solid var(--line);padding:21px}.demo-metrics article>span{min-height:0}.demo-metrics strong{font-size:38px;margin:8px 0}.demo-metrics p{font-size:14px}.result-actions{gap:18px;align-items:stretch;flex-direction:column}.result-actions .button{width:100%;justify-content:center}.source-layout,.exercise-grid{grid-template-columns:1fr;gap:20px}.source-picker{padding:20px}.source-picker select{font-size:16px}.document-view,.exercise-card{padding:21px}.document-view h3{font-size:22px}.document-view blockquote{font-size:17px;padding:17px;line-height:1.85}.task-list article{padding:20px;display:block}.task-pending{display:inline-block;margin-top:17px}.task-list h3{font-size:20px}.task-list p{font-size:15px}.demo-footer{display:block;padding-block:25px}.demo-footer nav{margin-top:22px;gap:19px;flex-direction:column}.bottle-demo .actions{flex-wrap:wrap}.bottle-demo .actions .button{width:100%;justify-content:center}.bottle-demo .panel-heading p{font-size:16px}.bottle-demo select{font-size:16px}}