:root{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:#243044;background:#f5f7fa}*{box-sizing:border-box}body{margin:0}header{background:#fff;border-bottom:1px solid #e2e6ec;padding:18px max(20px,calc((100vw - 1100px)/2));display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}.brand{font-size:21px;font-weight:750;color:#174c44}nav{display:flex;gap:16px;flex-wrap:wrap}a{color:#126859;text-decoration:none}main{max-width:1100px;margin:32px auto;padding:0 20px}h1{font-size:28px;margin:0 0 8px}h2{font-size:19px}p,.muted{color:#667386}.card{background:white;border:1px solid #e1e7ed;border-radius:14px;padding:24px;margin:16px 0;box-shadow:0 3px 14px #17243a08}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.stat{font-size:30px;font-weight:750;margin-top:10px}label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}input,textarea,select{width:100%;border:1px solid #ccd5dd;border-radius:9px;padding:11px;font:inherit;background:#fff}textarea{min-height:90px}button,.btn{background:#176d5d;border:0;border-radius:9px;color:white;cursor:pointer;padding:11px 17px;font:inherit;display:inline-block;margin-top:16px}.btn.secondary{background:#eef5f2;color:#176d5d}.error{background:#fff0ed;color:#a52e25;padding:12px;border-radius:8px}.success{background:#e9f7ef;color:#17613c;padding:12px;border-radius:8px}.row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0 16px}table{border-collapse:collapse;width:100%;min-width:600px}th,td{text-align:left;border-bottom:1px solid #e9edf1;padding:13px 10px}th{color:#64748b;font-size:13px}.scroll{overflow-x:auto}footer{text-align:center;padding:25px;color:#8a96a5;font-size:12px}@media(max-width:600px){main{margin:18px auto}.card{padding:16px}h1{font-size:24px}}

/* Fase 2 — Simple Business */
header{position:sticky;top:0;z-index:20}nav a{font-size:14px}nav a:hover{text-decoration:underline}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.actions .btn,.actions button{margin:0}.btn.outline{background:white;color:#176d5d;border:1px solid #bad2ca}.tiny{font-size:12px;color:#667386}.item-row{display:grid;grid-template-columns:minmax(160px,2fr) 95px 110px 155px 40px;gap:8px;align-items:end;margin-bottom:10px}.item-row label{margin:0 0 4px}.item-row input{min-width:0}.totals{max-width:410px;margin-left:auto}.totals>div{display:flex;justify-content:space-between;padding:8px 0}.totals .grand{border-top:2px solid #e2e6ec;font-weight:800;font-size:20px}.pill{border-radius:20px;background:#eef5f2;color:#176d5d;padding:4px 9px;font-size:12px}.doc-sheet{background:white;padding:35px;border:1px solid #e2e6ec;max-width:820px;margin:20px auto;min-height:700px}.doc-sheet table{min-width:0}.doc-sheet .head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.doc-sheet h1{color:#176d5d}.doc-sheet td,.doc-sheet th{padding:9px}.right{text-align:right}.subtle{color:#667386}.doc-sheet .doc-total{font-size:22px;font-weight:800;text-align:right;margin-top:24px}.field-error{color:#a52e25;font-size:13px}@media(max-width:760px){header{position:static}.item-row{grid-template-columns:1fr 1fr;gap:8px;padding:12px;border:1px solid #e1e7ed;border-radius:9px}.item-row>div:first-child{grid-column:1/-1}.doc-sheet{padding:15px;min-height:0}.doc-sheet table{font-size:12px}.doc-sheet td,.doc-sheet th{padding:6px 3px}}@media print{header,footer,.no-print,.btn{display:none!important}body{background:white}main{max-width:none;margin:0;padding:0}.doc-sheet{border:0;margin:0;max-width:none;min-height:0;box-shadow:none} @page{size:A4;margin:12mm}}