:root{--navy:#0C2340;--blue:#1F5A96;--sky:#E8F0F9;--line:#C9D2DB;--txt:#14202B;--muted:#5D6C79;--warn:#8A5A00;--warnbg:#FFF6DD;--danger:#A12A2A}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--txt);background:#F4F7FB;font-size:14px}
header{background:var(--navy);color:#fff;padding:18px 28px}
header h1{margin:0;font-size:20px;font-weight:650}
header p{margin:4px 0 0;color:#D6E2F0;font-size:13px}
main{max-width:1180px;margin:0 auto;padding:22px}
.drop{border:2px dashed var(--blue);background:#fff;border-radius:12px;padding:26px;text-align:center;cursor:pointer;color:var(--navy)}
.drop.over{background:var(--sky)}
.drop b{font-size:15px}
.muted{color:var(--muted);font-weight:400}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;margin:18px 0;padding:16px 18px}
.card-h{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px 14px;margin-top:12px}
.span2{grid-column:span 2}.span4{grid-column:span 4}
label span{display:block;font-size:11.5px;color:var(--muted);margin-bottom:3px;font-weight:600}
input,select,textarea{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:7px;font:inherit;color:var(--txt);background:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid #9CC0E8;border-color:var(--blue)}
textarea{min-height:60px;resize:vertical}
h3{color:var(--navy);margin:0 0 10px}
h4{color:var(--navy);margin:18px 0 8px;font-size:14px}
.avisos{background:var(--warnbg);color:var(--warn);border:1px solid #F0D58A;border-radius:8px;padding:8px 10px 8px 28px;margin:12px 0 0;font-size:13px}
.firmas{display:flex;flex-wrap:wrap;gap:12px}
.firma{width:186px;border:1px solid var(--line);border-radius:9px;padding:8px;display:flex;flex-direction:column;gap:6px;background:#FBFCFE;position:relative}
.firma.off{opacity:.55}
.firma.add{justify-content:center;align-items:stretch;border-style:dashed}
.thumb{min-height:120px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid #E1E7EE;cursor:zoom-in;font-size:12px;color:var(--muted)}
.thumb canvas{display:block}
.chk{display:flex;align-items:center;gap:6px;font-size:13px}.chk input{width:auto}
.tag{position:absolute;top:6px;right:6px;background:#FFE7A8;color:#6B4500;font-size:10.5px;padding:2px 6px;border-radius:9px;font-weight:700}
button{font:inherit;border-radius:8px;padding:8px 14px;border:1px solid var(--blue);background:var(--blue);color:#fff;cursor:pointer;font-weight:600}
button:hover{filter:brightness(1.08)}
button.ghost{background:#fff;color:var(--blue)}
button.danger{color:var(--danger);border-color:#D9A3A3}
button.sm{padding:4px 8px;font-size:12px}
.row-btns{display:flex;gap:6px}
.out-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px}
.actions{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
#preview{width:100%;height:620px;border:1px solid var(--line);border-radius:8px;margin-top:14px;display:none;background:#fff}
#status{color:var(--blue);margin:10px 0;font-weight:600;min-height:18px}
#modal{position:fixed;inset:0;background:rgba(10,20,35,.72);display:none;align-items:flex-start;justify-content:center;z-index:9;overflow:auto;padding:20px}
.modal-box{background:#fff;border-radius:10px;padding:12px}
.modal-bar{display:flex;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.modal-bar b{margin-right:auto;color:var(--navy)}
footer{color:var(--muted);font-size:12px;text-align:center;padding:20px}
.empty{color:var(--muted);text-align:center;padding:16px}
@media (max-width:800px){.grid{grid-template-columns:1fr 1fr}.span4{grid-column:span 2}.out-grid{grid-template-columns:1fr}}
.tbl{width:100%;border-collapse:collapse;margin:6px 0 8px;font-size:13px}
.tbl th{background:#D9E2F3;color:var(--navy);text-align:center;padding:6px;border:1px solid var(--line);font-size:12px}
.tbl td{border:1px solid var(--line);padding:2px}
.tbl td input{border:none;padding:5px 6px;border-radius:0;background:transparent}
.tbl tr.venc td{background:#FFF27A}
input.xs{width:56px}input.num{text-align:right}
.dest{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.doc-head{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:12px}
.doc-head .t{font-weight:700;color:var(--navy);font-size:16px}
.doc-head input.big{font-weight:700;text-align:center;font-size:15px;max-width:560px}
.doc-head .al{background:#FFF27A;padding:3px 10px;border-radius:6px;font-weight:700;display:flex;gap:6px;align-items:center}
input.date{width:112px;text-align:center}
.small{font-size:12px}
.ase{margin:10px 0 6px}
.ase-h input{font-weight:700;color:var(--navy);max-width:420px}
.pol{border-left:3px solid #9CC0E8;padding:6px 0 6px 12px;margin:8px 0}
.pol-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:5px}
.pol-row input.mid{width:170px}
input.b{font-weight:700}
input.full{width:100%}
#log{background:#EAF5EC;border:1px solid #A9D3B0;color:#1F5130;border-radius:8px;padding:8px 10px 8px 28px;font-size:13px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:14px 0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13px}
.step b{color:var(--navy)}
@media (max-width:800px){.steps,.dest{grid-template-columns:1fr}}