:root{color:#182327;background:#edf3ef;font-family:Aptos,Segoe UI,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input{font:inherit}.app-shell{min-height:100vh;display:grid;place-items:center;padding:clamp(20px,4vw,56px);background:radial-gradient(circle at 12% 18%,rgba(22,119,103,.18),transparent 28%),linear-gradient(135deg,#f7faf5,#dfece7 54%,#f5f0e4)}.calculator-panel{width:min(1080px,100%);display:grid;gap:28px}.intro{max-width:760px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#0f7665;font-size:.82rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1,h2,p{margin-top:0}h1{margin-bottom:14px;color:#14211f;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.9rem,8vw,6.6rem);font-weight:700;line-height:.95}.intro p{max-width:640px;margin-bottom:0;color:#51615d;font-size:clamp(1.02rem,2vw,1.24rem);line-height:1.62}.workspace{display:grid;grid-template-columns:minmax(0,.9fr) minmax(320px,1.1fr);gap:18px;align-items:stretch}.input-card,.result-card,.note{border:1px solid rgba(20,33,31,.12);border-radius:8px;background:#ffffffd6;box-shadow:0 22px 60px #1823271a}.input-card{display:grid;gap:18px;padding:clamp(20px,4vw,32px)}label{display:grid;gap:10px}label>span{display:inline-flex;align-items:center;gap:9px;color:#31423e;font-size:.95rem;font-weight:800}.field-row{display:grid;grid-template-columns:1fr 56px;align-items:center;min-height:68px;overflow:hidden;border:1px solid rgba(49,66,62,.2);border-radius:8px;background:#fbfdfb}.field-row:focus-within{border-color:#0f7665;box-shadow:0 0 0 4px #0f766524}input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:#14211f;font-size:1.6rem;font-weight:800;padding:16px 18px}.field-row strong{display:grid;place-items:center;min-height:68px;border-left:1px solid rgba(49,66,62,.16);color:#60716d}.result-card{position:relative;display:grid;align-content:center;min-height:320px;padding:clamp(24px,5vw,44px);background:#132421;color:#fff}.result-icon{width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:#e3b04b;color:#132421;margin-bottom:28px}.result-label{color:#a9c2bc;font-size:.86rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.result-number{display:block;margin:4px 0 14px;color:#fff;font-size:clamp(4rem,13vw,7.4rem);line-height:.95}.result-card h2{margin-bottom:8px;color:#f2c96e;font-size:clamp(1.55rem,4vw,2.2rem)}.result-card p{max-width:520px;margin-bottom:0;color:#d7e3df;line-height:1.6}.note{display:flex;gap:12px;align-items:flex-start;padding:18px 20px;color:#4e5d59}.note svg{flex:0 0 auto;color:#0f7665;margin-top:2px}.note p{margin-bottom:0;line-height:1.55}@media (max-width: 780px){.app-shell{place-items:start center}.workspace{grid-template-columns:1fr}.result-card{min-height:280px}}