:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#0f172a;background:radial-gradient(circle at top left,#f3f7ff,#eef5f0 45%,#f8fafc)}*{box-sizing:border-box}body{margin:0}.app-shell{max-width:1400px;margin:0 auto;padding:1rem}.header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem}.header h1{margin:0;font-size:1.5rem}.header p{margin:.25rem 0 0;color:#334155}.button-row{display:flex;flex-wrap:wrap;gap:.5rem}button,select,input{border:1px solid #cbd5e1;border-radius:.5rem;padding:.45rem .6rem;font:inherit;background:#fff;max-width:100%}button{cursor:pointer;background:#0f766e;color:#fff;border-color:#0f766e}button.secondary{background:#fff;color:#0f172a;border-color:#94a3b8}.layout{display:grid;grid-template-columns:1.6fr 1fr;gap:1rem}.card{background:#ffffffe6;border:1px solid #dbe4ef;border-radius:.8rem;padding:1rem}.collapsible>details>summary{list-style:none;cursor:pointer;-webkit-user-select:none;user-select:none;display:flex;align-items:center;gap:.5rem}.collapsible>details>summary::-webkit-details-marker{display:none}.collapsible>details>summary:before{content:"▸";color:#0f766e;font-size:.9rem;line-height:1;transform:translateY(1px)}.collapsible>details[open]>summary:before{content:"▾"}.section-title{font-size:1.1rem;font-weight:700}.collapsible-content{margin-top:.75rem}.section+.section{margin-top:1rem}.layout main>*+*{margin-top:1rem}.section h2{margin:0 0 .5rem;font-size:1.1rem}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}.field{background:#f8fafc;border:1px solid #e2e8f0;border-radius:.6rem;padding:.6rem}.field label{display:block;font-weight:600;margin-bottom:.25rem}.field-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.25rem}.field-title{font-weight:600;min-width:0}.info-toggle{width:1.4rem;height:1.4rem;min-width:1.4rem;border-radius:999px;padding:0;border:1px solid #94a3b8;background:#fff;color:#0f172a;font-size:.8rem;line-height:1}.info-toggle[aria-expanded=true]{background:#e2e8f0}.field-meta{margin-top:.35rem}.field input:not([type=checkbox]):not([type=radio]),.field select{width:100%;min-width:0}.field input[type=checkbox],.field input[type=radio]{width:auto}.field .button-row label{display:inline-flex;align-items:center;gap:.35rem;margin:0;font-weight:500}.help{font-size:.82rem;color:#334155;margin:.35rem 0}.impact{margin:.25rem 0 0;padding-left:1rem;font-size:.8rem;color:#334155}.notice{border-left:4px solid #f59e0b;background:#fffbeb;color:#78350f;padding:.55rem;margin:.5rem 0;border-radius:.4rem;font-size:.85rem}.results-panel{position:sticky;top:.75rem;align-self:start;max-height:calc(100vh - 1.5rem);overflow-y:auto;overscroll-behavior:contain}.metric{display:flex;justify-content:space-between;border-bottom:1px solid #e2e8f0;padding:.3rem 0;gap:1rem}.metric span{min-width:0}.metric strong{white-space:nowrap}.table{width:100%;border-collapse:collapse;margin-top:.5rem;font-size:.86rem}.table th,.table td{border:1px solid #dbe4ef;padding:.35rem;text-align:left}.table th{background:#f1f5f9}.small{font-size:.8rem;color:#475569}.assumptions{padding:.8rem;background:#ecfeff;border:1px solid #bae6fd;border-radius:.7rem}main{min-width:0}.card{min-width:0}@media (max-width: 1050px){.layout{grid-template-columns:1fr}.results-panel{position:static;max-height:none;overflow:visible}}@media (max-width: 860px){.header{flex-direction:column}.grid-2,.grid-3{grid-template-columns:1fr}}@media (max-width: 640px){.app-shell{padding:.6rem}.card{padding:.75rem}.section-title{font-size:1rem}.table{display:block;overflow-x:auto;white-space:nowrap}.button-row{gap:.4rem}}