:root{--navy:#062B42;--blue:#087FB5;--green:#58B947;--bg:#F3F6F8;--card:#fff;--line:#DDE5EA;--text:#14232E;--muted:#5D7180;--danger:#C0392B;--zebra:#F7FAFB;color-scheme:light}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.45 "DejaVu Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:1.45rem;margin:0;color:var(--navy)}h3{margin:0 0 .8rem;color:var(--navy);font-size:1.02rem}
.top{background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:.55rem 1.2rem;gap:1rem;flex-wrap:wrap;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;font-weight:700;letter-spacing:.06em}.brand:hover{text-decoration:none}
.brand img{width:34px;height:34px;background:#fff;border-radius:7px;padding:2px}.brand small{font-weight:400;letter-spacing:0;opacity:.75;margin-left:.3rem}
.top nav{display:flex;gap:.2rem;flex-wrap:wrap}.top nav a{color:#cfe3ee;padding:.4rem .75rem;border-radius:6px}
.top nav a:hover,.top nav a.on{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}.top nav a.salir{opacity:.7}
.wrap{max-width:1150px;margin:0 auto;padding:1.3rem}.wrap.ancho{max-width:1500px}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}.bar.mini{margin-bottom:.4rem}.bar.mini h3{margin:0}
.sub{color:var(--muted);font-size:.9rem;margin-top:.2rem}
.botones{display:flex;gap:.5rem;flex-wrap:wrap}.botones.col{flex-direction:column;margin-top:1rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.3rem;padding:.55rem 1rem;border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:8px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none!important;line-height:1.2}
.btn:hover{border-color:var(--blue)}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.primary:hover{background:#066a98}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn.danger{color:var(--danger);border-color:#efc9c4}.btn.small{padding:.38rem .7rem;font-size:.88rem}.btn.full{width:100%}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem;margin-bottom:1rem}
.vacio{text-align:center;color:var(--muted);padding:2.5rem}
.flash{padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;border:1px solid}.flash.ok{background:#eaf7ec;border-color:#bfe3c4;color:#1e5e2a}.flash.error{background:#fdecea;border-color:#f3c3bd;color:#8a2318}
label{display:block;font-size:.83rem;font-weight:600;color:var(--muted);margin-bottom:.75rem}label small{font-weight:400}
input,select,textarea{display:block;width:100%;font-weight:400;margin-top:.25rem;padding:.5rem .6rem;border:1px solid var(--line);border-radius:7px;font-family:inherit;font-size:.95rem;font-weight:400;color:var(--text);background:#fff}
::placeholder{color:#9AAAB5}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(8,127,181,.25);border-color:var(--blue)}
textarea{resize:vertical}input[readonly].calc{background:#f1f6f9;color:var(--navy)}
.fila2{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}.fila3{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}
.grid2{display:grid;grid-template-columns:1fr 1.4fr;gap:1rem;align-items:start}
.ayuda{color:var(--muted);font-size:.87rem;margin:.2rem 0 .8rem}
.filtros{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}.filtros input{flex:1;min-width:220px;margin:0}.filtros select{width:auto;margin:0}
.tabla-wrap{overflow-x:auto}
.tabla{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tabla th{background:var(--navy);color:#fff;text-align:left;font-size:.82rem;padding:.6rem .75rem;font-weight:600}
.tabla td{padding:.6rem .75rem;border-top:1px solid var(--line);vertical-align:top}.tabla tbody tr:nth-child(even){background:var(--zebra)}
.tabla.compacta{border:0}.tabla.compacta td,.tabla.compacta th{padding:.45rem .55rem;font-size:.9rem}
.num{text-align:right}.nowrap{white-space:nowrap}.acciones a{margin-left:.7rem;font-size:.9rem}
.tag{display:inline-block;padding:.12rem .55rem;border-radius:20px;font-size:.78rem;font-weight:600;background:#e9eef2;color:var(--muted)}
.tag.enviada{background:#e3f1f9;color:#08608a}.tag.aprobada{background:#e6f5e3;color:#2e7d22}.tag.rechazada{background:#fbe7e5;color:#a02a1d}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:1rem;align-items:start}
.col-side{align-self:stretch}.sticky{position:sticky;top:72px}
table.items{width:100%;border-collapse:collapse;min-width:520px}
table.items th{font-size:.78rem;color:var(--muted);text-align:left;padding:.3rem .35rem;border-bottom:2px solid var(--line)}table.items th.num{text-align:right}
table.items td{padding:.3rem .25rem;vertical-align:top;border-bottom:1px solid #eef2f5}
table.items input,table.items textarea{margin:0;padding:.42rem .5rem;font-size:.9rem}
table.items .n{width:2.2rem;text-align:center;color:var(--muted);padding-top:.7rem;font-size:.88rem}
table.items .desc{min-height:2.2rem;overflow:hidden;resize:none}
table.items td:nth-child(3){width:11rem}
table.items input.num{text-align:right}
.ops{white-space:nowrap;width:5.7rem}.ico{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:1rem;padding:.35rem .3rem;border-radius:5px}.ico:hover{background:#eef3f6;color:var(--navy)}.ico.del:hover{color:var(--danger)}
.pegar{background:#f6fafc;border:1px dashed var(--line);border-radius:8px;padding:.7rem;margin-bottom:.8rem}.pegar textarea{margin:0 0 .5rem;font-family:monospace;font-size:.85rem}
.resumen{display:grid;grid-template-columns:1fr auto;gap:.45rem 0;margin:.6rem 0 0;font-size:.92rem}
.resumen dt{color:var(--muted);padding-right:.8rem}.resumen dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}
.resumen .total{background:var(--navy);color:#fff;font-weight:700;padding:.55rem .6rem;margin-top:.3rem;font-size:1.02rem}.resumen dt.total{border-radius:7px 0 0 7px}.resumen dd.total{border-radius:0 7px 7px 0}
.labels{margin:.2rem 0 .4rem;font-size:.88rem}.labels summary{cursor:pointer;color:var(--blue);margin-bottom:.5rem}
.pcts label{font-size:.75rem}
.ver-grid{display:grid;grid-template-columns:330px minmax(0,1fr);gap:1rem;align-items:start}
.pdf-frame{background:#525659;border-radius:12px;overflow:hidden;height:calc(100vh - 170px);min-height:600px}.pdf-frame iframe{width:100%;height:100%;border:0}
.estado-form label{margin-bottom:.4rem}.notas{margin-top:1rem;font-size:.9rem;background:#fffbe9;border:1px solid #f1e3a5;border-radius:8px;padding:.6rem}.notas p{margin:.3rem 0 0;white-space:pre-wrap}
.pie{color:var(--muted);font-size:.8rem;margin:1rem 0}
main.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}
.login-card{width:100%;max-width:360px;padding:1.6rem}.login-logo{display:block;width:170px;margin:0 auto 1.2rem}
@media (max-width:1000px){.form-grid,.ver-grid,.grid2{grid-template-columns:1fr}.sticky{position:static}.pdf-frame{height:75vh}}
@media (max-width:640px){.fila2,.fila3{grid-template-columns:1fr}.wrap{padding:.8rem}.fila3.pcts{grid-template-columns:repeat(3,1fr)}}
.tabla th.num{text-align:right}
input.auto{background:#f1f6f9;color:var(--navy);font-weight:600}
.usuarios td form{display:inline}
.usuarios .reset{display:flex;gap:.4rem;margin-top:.4rem}.usuarios .reset input{margin:0;max-width:180px}