:root{--ink:#17211c;--muted:#66716b;--line:#d9ded8;--panel:#fff;--field:#f7f8f5;--green:#176b4d;--green-dark:#0f4a38;--coral:#d36a4c;--gold:#b88724;--blue:#2d6f91;--shadow:0 22px 70px #1a251f1f}*{box-sizing:border-box}html,body{min-height:100%}body{color:var(--ink);background:linear-gradient(135deg,#176b4d14,#d36a4c0f),#f3f1eb;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}.shell{width:min(1480px,100% - 32px);margin:0 auto;padding:30px 0}.masthead{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px;margin-bottom:22px;display:grid}.eyebrow{color:var(--green);letter-spacing:0;text-transform:uppercase;margin:0 0 8px;font-size:.78rem;font-weight:800}h1,h2,p{margin-top:0}h1{letter-spacing:0;max-width:760px;margin-bottom:10px;font-size:clamp(2.4rem,5vw,5rem);line-height:.98}.masthead p:not(.eyebrow){max-width:740px;color:var(--muted);margin-bottom:0;font-size:1.05rem;line-height:1.6}.masthead-metrics{grid-template-columns:repeat(3,minmax(118px,1fr));gap:10px;display:grid}.masthead-metrics div,.result-card,.panel,.breakdown{box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffffc7;border:1px solid #17211c1a}.masthead-metrics div{border-radius:8px;min-height:78px;padding:14px}.masthead-metrics span,.result-card span,.line span,.rule span{color:var(--muted);font-size:.84rem}.masthead-metrics strong{margin-top:6px;font-size:1.35rem;display:block}.workspace{grid-template-columns:minmax(280px,.95fr) minmax(360px,1.35fr) minmax(260px,.78fr);align-items:start;gap:16px;display:grid}.panel,.breakdown,.result-card{border-radius:8px}.panel{padding:20px}.panel-title{align-items:center;gap:10px;margin-bottom:18px;display:flex}.panel-title svg{color:var(--green)}h2{margin-bottom:0;font-size:1rem}label{color:var(--ink);gap:8px;font-size:.9rem;font-weight:700;display:grid}input{border:1px solid var(--line);background:var(--field);width:100%;min-height:44px;color:var(--ink);border-radius:8px;outline:none;padding:0 12px}input:focus{border-color:var(--green);box-shadow:0 0 0 4px #176b4d1f}.input-panel{gap:16px;display:grid}.inline-control{grid-template-columns:minmax(0,1fr) auto;gap:8px;display:grid}.icon-button,.primary-action{cursor:pointer;border:0;border-radius:8px;font-weight:800}.icon-button{background:var(--ink);color:#fff;align-items:center;gap:8px;min-height:44px;padding:0 14px;display:inline-flex}.primary-action{background:var(--green);color:#fff;justify-content:center;align-items:center;gap:10px;min-height:52px;display:flex}.primary-action:hover,.icon-button:hover{filter:brightness(.95)}.two-column{grid-template-columns:1fr 1fr;gap:12px;display:grid}.product-card{border:1px solid var(--line);background:#fff;border-radius:8px;grid-template-columns:58px minmax(0,1fr);align-items:center;gap:12px;padding:10px;display:grid}.product-card img{object-fit:cover;border-radius:6px;width:58px;height:58px}.product-card strong,.product-card span{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.product-card span{color:var(--green);margin-top:4px;font-weight:800}.error{border-left:4px solid var(--coral);color:#7c2f20;background:#d36a4c1a;border-radius:8px;margin:0;padding:10px 12px;font-size:.9rem;line-height:1.4}.quote-panel{gap:16px;display:grid}.result-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.result-card{min-height:124px;padding:18px}.result-card strong{margin-top:8px;font-size:clamp(1.45rem,2.6vw,2.2rem);line-height:1.1;display:block}.result-icon{background:#2d6f911f;border-radius:8px;place-items:center;width:34px;height:34px;margin-bottom:12px;display:inline-grid;color:var(--blue)!important}.total{background:linear-gradient(135deg, var(--green-dark), #193129);color:#fff;min-height:168px}.total span{color:#ffffffbd}.total strong{font-size:clamp(2.6rem,6vw,5.6rem)}.breakdown{padding:20px}.line{border-top:1px solid var(--line);justify-content:space-between;gap:18px;padding:13px 0;display:flex}.line.strong strong{color:var(--green)}.route-copy{color:var(--muted);margin:8px 0 0;font-size:.9rem}.rules-panel{gap:10px;display:grid}.rule{grid-template-columns:minmax(0,1fr) 96px;align-items:center;gap:10px}.rule input{text-align:right;min-height:38px}.spin{animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:1100px){.workspace{grid-template-columns:1fr 1fr}.rules-panel{grid-column:1/-1;grid-template-columns:repeat(2,minmax(0,1fr))}.rules-panel .panel-title{grid-column:1/-1}}@media (max-width:760px){.shell{width:min(100% - 22px,680px);padding:18px 0}.masthead,.workspace,.result-grid,.two-column,.rules-panel{grid-template-columns:1fr}.masthead-metrics{grid-template-columns:1fr;width:100%}.rules-panel .panel-title{grid-column:auto}}