:root{
  --ink:#16302B;
  --ink-soft:#2B453F;
  --paper:#EDE7D6;
  --paper-card:#F7F3E7;
  --paper-line: rgba(22,48,43,0.14);
  --gold:#AD8A4C;
  --gold-deep:#7C6230;
  --sage:#5C7A63;
  --sage-bg:#E3E9DD;
  --amber:#B6791E;
  --amber-bg:#F4E3C6;
  --red:#A23B33;
  --red-bg:#F2DAD4;
  --red-deep:#6E241D;
  --shadow: 0 1px 0 rgba(22,48,43,0.06);
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  padding:32px 24px 80px;
}
.wrap{max-width:1180px;margin:0 auto;}

header.top{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  flex-wrap:wrap;
  gap:16px;
  border-bottom:2px solid var(--ink);
  padding-bottom:18px;
  margin-bottom:24px;
}
header.top h1{
  font-family:'Fraunces',serif;
  font-weight:600;
  font-size:34px;
  margin:0 0 4px;
  letter-spacing:-0.01em;
}
header.top p{margin:0;color:var(--ink-soft);font-size:14px;}
.summary{display:flex;gap:28px;flex-wrap:wrap;align-items:flex-end;}
.summary .stat{text-align:right;}
.summary .stat .num{
  font-family:'IBM Plex Mono',monospace;
  font-size:22px;
  font-weight:600;
}
.summary .stat .lab{font-size:11px;text-transform:uppercase;letter-spacing:0.06em;color:var(--ink-soft);}
.logout-link{
  font-size:12px;
  color:var(--ink-soft);
  text-decoration:none;
  border:1px solid var(--paper-line);
  padding:6px 12px;
  border-radius:20px;
}
.logout-link:hover{border-color:var(--ink);color:var(--ink);}

.alert-banner{
  background:var(--red-bg);
  border:1px solid var(--red);
  border-radius:4px;
  padding:14px 18px;
  margin-bottom:26px;
}
.alert-banner .title{
  font-weight:600;
  color:var(--red-deep);
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  margin-bottom:8px;
}
.alert-item{
  display:flex;
  justify-content:space-between;
  font-size:14px;
  padding:4px 0;
  color:var(--red-deep);
}
.alert-item b{font-family:'IBM Plex Mono',monospace;}

.columns{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
@media (max-width:900px){.columns{grid-template-columns:1fr;}}

.col-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  border-bottom:1px solid var(--ink);
  padding-bottom:8px;
  margin-bottom:14px;
}
.col-head h2{
  font-family:'Fraunces',serif;
  font-size:19px;
  font-weight:600;
  margin:0;
}
.col-head .sub{
  font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;
  color:var(--ink-soft);
}

.empty-col{
  border:1px dashed var(--paper-line);
  border-radius:6px;
  padding:22px 14px;
  text-align:center;
  color:var(--ink-soft);
  font-size:13px;
}

.card{
  position:relative;
  background:var(--paper-card);
  border:1px solid var(--paper-line);
  border-radius:6px;
  padding:16px 16px 14px;
  margin-bottom:14px;
  box-shadow:var(--shadow);
}
.card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  border-radius:6px 0 0 6px;
  background:var(--sage);
}
.card.status-amber::before{background:var(--amber);}
.card.status-red::before{background:var(--red);}
.card.status-vencido::before{background:var(--red-deep);}

.card-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:10px;
  margin-bottom:10px;
}
.banco{
  font-family:'Fraunces',serif;
  font-weight:600;
  font-size:16px;
  margin:0;
}
.monto{
  font-family:'IBM Plex Mono',monospace;
  font-size:14px;
  color:var(--ink-soft);
  margin-top:2px;
}

.stamp{
  flex-shrink:0;
  width:58px;height:58px;
  border-radius:50%;
  border:2px solid var(--sage);
  color:var(--sage);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  transform:rotate(-6deg);
  font-family:'IBM Plex Mono',monospace;
  line-height:1.05;
}
.stamp .n{font-size:18px;font-weight:600;}
.stamp .u{font-size:8px;text-transform:uppercase;letter-spacing:0.04em;}
.stamp.amber{border-color:var(--amber);color:var(--amber);}
.stamp.red{border-color:var(--red);color:var(--red);}
.stamp.vencido{border-color:var(--red-deep);color:var(--red-deep);background:var(--red-bg);}

.card-dates{
  display:flex;
  justify-content:space-between;
  font-size:12px;
  color:var(--ink-soft);
  border-top:1px solid var(--paper-line);
  padding-top:9px;
  margin-top:2px;
}
.card-dates div{display:flex;flex-direction:column;gap:2px;}
.card-dates .val{font-family:'IBM Plex Mono',monospace;color:var(--ink);}
.tasa-tag{
  display:inline-block;
  margin-top:8px;
  font-size:11px;
  background:var(--sage-bg);
  color:var(--sage);
  padding:2px 8px;
  border-radius:20px;
  font-family:'IBM Plex Mono',monospace;
}

.card-actions{
  display:flex;
  gap:8px;
  margin-top:12px;
}
.card-actions button{
  flex:1;
  font-size:12px;
  padding:6px 4px;
  border:1px solid var(--paper-line);
  background:transparent;
  border-radius:4px;
  cursor:pointer;
  color:var(--ink-soft);
  font-family:'Inter',sans-serif;
}
.card-actions button:hover{border-color:var(--ink);color:var(--ink);}
.card-actions button.danger:hover{border-color:var(--red);color:var(--red-deep);}

.add-col-btn{
  width:100%;
  padding:9px;
  margin-top:2px;
  border:1px dashed var(--ink-soft);
  background:transparent;
  border-radius:6px;
  color:var(--ink-soft);
  cursor:pointer;
  font-size:13px;
  font-family:'Inter',sans-serif;
}
.add-col-btn:hover{border-color:var(--ink);color:var(--ink);}

.fab{
  position:fixed;
  right:28px;
  bottom:28px;
  width:56px;height:56px;
  border-radius:50%;
  background:var(--ink);
  color:var(--paper);
  border:none;
  font-size:26px;
  cursor:pointer;
  box-shadow:0 3px 10px rgba(22,48,43,0.3);
}
.fab:hover{background:var(--ink-soft);}

.modal-overlay{
  position:fixed;inset:0;
  background:rgba(22,48,43,0.4);
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
  z-index:50;
}
.modal-overlay.open{display:flex;}
.modal{
  background:var(--paper-card);
  border-radius:8px;
  padding:26px 26px 20px;
  width:100%;
  max-width:420px;
  max-height:90vh;
  overflow-y:auto;
}
.modal h3{
  font-family:'Fraunces',serif;
  margin:0 0 16px;
  font-size:20px;
}
.field{margin-bottom:13px;}
.field label{
  display:block;
  font-size:12px;
  color:var(--ink-soft);
  margin-bottom:4px;
  text-transform:uppercase;
  letter-spacing:0.04em;
}
.field input, .field select{
  width:100%;
  padding:9px 10px;
  border:1px solid var(--paper-line);
  border-radius:4px;
  background:#fff;
  font-family:'Inter',sans-serif;
  font-size:14px;
  color:var(--ink);
}
.field input:focus, .field select:focus{outline:2px solid var(--gold);outline-offset:0;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.modal-actions{
  display:flex;
  justify-content:flex-end;
  gap:10px;
  margin-top:18px;
}
.modal-actions button{
  padding:9px 16px;
  border-radius:4px;
  font-size:14px;
  cursor:pointer;
  font-family:'Inter',sans-serif;
}
.btn-cancel{background:transparent;border:1px solid var(--paper-line);color:var(--ink-soft);}
.btn-save{background:var(--ink);border:1px solid var(--ink);color:var(--paper);font-weight:500;}
.btn-save:hover{background:var(--ink-soft);}

footer.note{
  text-align:center;
  color:var(--ink-soft);
  font-size:12px;
  margin-top:36px;
}

/* Login */
.login-body{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:100vh;
  padding:24px;
}
.login-box{
  background:var(--paper-card);
  border:1px solid var(--paper-line);
  border-radius:8px;
  padding:32px 28px 26px;
  width:100%;
  max-width:360px;
  box-shadow:var(--shadow);
}
.login-box h1{
  font-family:'Fraunces',serif;
  font-size:26px;
  font-weight:600;
  margin:0 0 4px;
  text-align:center;
}
.login-sub{
  text-align:center;
  color:var(--ink-soft);
  font-size:13px;
  margin:0 0 22px;
}
.login-error{
  background:var(--red-bg);
  color:var(--red-deep);
  border:1px solid var(--red);
  border-radius:4px;
  padding:8px 12px;
  font-size:13px;
  margin-bottom:16px;
}
.login-btn{width:100%;margin-top:6px;}