:root{
  --bg:#f4f1ea;--surface:#ffffff;--surface-2:#f8f6f1;--border:#e4dfd3;--border-strong:#cfc7b6;
  --text:#1d2a31;--text-soft:#5c676c;--text-faint:#8b9397;
  --navy:#233c4a;--sand:#c9a267;--teal:#2f7f86;
  --green:#2f7d4f;--green-bg:#e4f2e8;--amber:#9a6200;--amber-bg:#fbf0d9;--red:#b3362f;--red-bg:#f9e3e1;--gray-bg:#ecebe7;
  --shadow:0 1px 2px rgba(0,0,0,.05),0 4px 14px rgba(0,0,0,.04);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#121a1f;--surface:#1a252c;--surface-2:#202e36;--border:#2c3c46;--border-strong:#3c505c;
    --text:#e9ecec;--text-soft:#aab4b8;--text-faint:#7f8b90;
    --navy:#d9c08f;--teal:#6cc1c7;
    --green:#7fd19f;--green-bg:#1d3a2a;--amber:#f0c060;--amber-bg:#3a2f15;--red:#f08a83;--red-bg:#3d2020;--gray-bg:#2a353b;
    --shadow:none;
  }
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:20px 16px 60px}
.top{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.top h1{font-size:20px;margin:0}
.top .sub{color:var(--text-faint);font-size:12.5px}
.top .der{margin-left:auto;display:flex;gap:8px;align-items:center}
.btn{border:1px solid var(--border-strong);background:var(--surface);border-radius:9px;padding:8px 14px;cursor:pointer;font-weight:600;font-size:13.5px;white-space:nowrap}
.btn:hover{border-color:var(--teal)}
.btn:disabled{opacity:.5;cursor:default}
.btn-prim{background:var(--navy);border-color:var(--navy);color:#fff}
@media (prefers-color-scheme:dark){.btn-prim{color:#14202a}}
.btn-peligro{color:var(--red)}
.btn-sm{padding:5px 10px;font-size:12.5px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:16px}
@media (max-width:520px){
  .cards{grid-template-columns:1fr 1fr;gap:8px}
  .card{padding:10px 12px}
  .card .val{font-size:19px}
}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.card .lbl{font-size:12px;color:var(--text-soft)}
.card .val{font-size:24px;font-weight:700;margin-top:2px}
.card .sub{font-size:12px;color:var(--text-faint)}
.card.clic{cursor:pointer}.card.clic:hover{border-color:var(--teal)}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:var(--shadow);margin-bottom:16px}
.panel h2{font-size:15px;margin:0 0 10px}
.barra{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.barra input[type=search]{flex:1;min-width:180px;padding:8px 12px;border:1px solid var(--border-strong);border-radius:9px;background:var(--surface)}
.chip{border:1px solid var(--border-strong);background:var(--surface);border-radius:999px;padding:5px 12px;cursor:pointer;font-size:12.5px}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
@media (prefers-color-scheme:dark){.chip.on{color:#14202a}}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;color:var(--text-soft);font-weight:600;padding:8px;border-bottom:1px solid var(--border)}
td{padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:middle}
tr.fila{cursor:pointer}tr.fila:hover td{background:var(--surface-2)}
.num{text-align:right;font-variant-numeric:tabular-nums}
.est{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px;white-space:nowrap}
.est.al_dia{background:var(--green-bg);color:var(--green)}
.est.vence_pronto{background:var(--amber-bg);color:var(--amber)}
.est.vencida{background:var(--red-bg);color:var(--red)}
.est.suspendida{background:var(--gray-bg);color:var(--text-soft)}
.faint{color:var(--text-faint);font-size:12.5px}
.vacio{text-align:center;color:var(--text-faint);padding:28px 8px}
.mono{font-family:ui-monospace,Consolas,monospace}
/* En el celular la tabla pasa a tarjetas */
@media (max-width:720px){
  .tabla-clientes thead{display:none}
  .tabla-clientes tr.fila{display:grid;grid-template-columns:1fr auto;gap:2px 10px;padding:10px 4px;border-bottom:1px solid var(--border)}
  .tabla-clientes td{border:0;padding:0}
  .tabla-clientes td.oc{display:none}
}
/* Ventanas */
.velo{position:fixed;inset:0;background:rgba(10,18,22,.5);display:flex;align-items:flex-start;justify-content:center;padding:40px 12px;overflow-y:auto;z-index:20}
.modal{background:var(--surface);border-radius:14px;width:100%;max-width:560px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal.grande{max-width:760px}
.modal-cab{display:flex;align-items:center;padding:16px 18px;border-bottom:1px solid var(--border)}
.modal-cab h3{margin:0;font-size:16px}
.modal-cab .x{margin-left:auto;border:0;background:none;font-size:22px;cursor:pointer;color:var(--text-faint);line-height:1}
.modal-cuerpo{padding:16px 18px}
.modal-pie{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--border);flex-wrap:wrap}
.campos{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:520px){.campos{grid-template-columns:1fr}}
.campo{display:flex;flex-direction:column;gap:4px}
.campo.ancho{grid-column:1/-1}
.campo label{font-size:12.5px;color:var(--text-soft);font-weight:600}
.campo input,.campo select,.campo textarea{padding:8px 10px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);width:100%}
.campo .ayuda{font-size:12px;color:var(--text-faint)}
.error{color:var(--red);background:var(--red-bg);border-radius:8px;padding:8px 10px;margin-top:10px;display:none}
.error.ver{display:block}
.clave{font-family:ui-monospace,Consolas,monospace;font-size:20px;font-weight:700;letter-spacing:.06em;background:var(--surface-2);border:1px dashed var(--border-strong);border-radius:10px;padding:10px 14px;text-align:center}
.datos{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:12px 0}
.datos div{background:var(--surface-2);border-radius:10px;padding:8px 12px}
.datos b{display:block;font-size:15px}
.seccion{font-size:13px;font-weight:700;margin:16px 0 6px}
.lista{border:1px solid var(--border);border-radius:10px}
.lista .it{display:flex;gap:10px;align-items:center;padding:8px 12px;border-bottom:1px solid var(--border)}
.lista .it:last-child{border-bottom:0}
.lista .it .der{margin-left:auto;display:flex;gap:8px;align-items:center}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:10px 16px;border-radius:10px;z-index:40;box-shadow:0 8px 24px rgba(0,0,0,.2)}
@media (prefers-color-scheme:dark){.toast{color:#14202a}}
.toast.mal{background:var(--red);color:#fff}
.login{max-width:380px;margin:10vh auto;padding:0 16px}
.login .panel{padding:24px}
.logo-grande{width:52px;height:52px;display:block;margin-bottom:12px}
.logo-chico{width:38px;height:38px;flex:none}
.login h1{font-size:20px;margin:0 0 4px}
.grafico svg{width:100%;height:auto;display:block}