:root{
  --ink:#1c2420;
  --ink-soft:#4b5650;
  --paper:#f3f0e6;
  --paper-raised:#faf8f1;
  --ledger-green-deep:#1f3a2a;
  --ledger-green:#2f5233;
  --ledger-green-light:#e3ece2;
  --ledger-band:#e9e4d2;
  --rule-red:#a8483d;
  --gold:#c08829;
  --gold-soft:#e8c468;
  --danger:#a8483d;
  --shadow: 0 1px 2px rgba(28,36,32,.06), 0 4px 16px rgba(28,36,32,.08);
  --radius: 14px;
  --font-display: "Fraunces", serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  padding-bottom:env(safe-area-inset-bottom);
}

.app{
  max-width:900px;
  margin:0 auto;
  padding:0 0 96px;
}

/* Topbar */
.topbar{
  display:flex;
  align-items:center;
  gap:14px;
  padding:calc(18px + env(safe-area-inset-top)) 20px 16px;
  background:var(--ledger-green-deep);
  color:var(--paper-raised);
  position:sticky;
  top:0;
  z-index:20;
  box-shadow:var(--shadow);
}
.topbar-mark{
  width:38px;height:38px;
  border-radius:10px;
  background:var(--gold-soft);
  color:var(--ledger-green-deep);
  font-family:var(--font-display);
  font-weight:700;
  font-size:20px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.topbar-text{flex:1;min-width:0;}
.topbar-text h1{
  font-family:var(--font-display);
  font-size:20px;
  font-weight:600;
  margin:0;
  letter-spacing:.2px;
}
.eyebrow{
  margin:2px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-soft);
}
.icon-btn{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  color:var(--paper-raised);
  width:38px;height:38px;
  border-radius:10px;
  font-size:16px;
  cursor:pointer;
  flex-shrink:0;
}
.icon-btn:active{background:rgba(255,255,255,.18);}

main{padding:18px 16px 8px;}

/* Capture panel */
.capture{margin-bottom:18px;}
.capture-slot{
  background:var(--paper-raised);
  border:1.5px dashed #b9b2a0;
  border-radius:var(--radius);
  overflow:hidden;
}
.slot-inner{
  padding:34px 20px;
  text-align:center;
}
.slot-icon{font-size:34px;margin-bottom:8px;}
.slot-title{
  font-family:var(--font-display);
  font-weight:600;
  font-size:17px;
  margin:0 0 4px;
}
.slot-sub{
  font-size:13px;
  color:var(--ink-soft);
  margin:0 0 18px;
}
.slot-actions{display:flex;justify-content:center;}

.slot-preview{padding:14px;}
.slot-preview img{
  width:100%;
  max-height:320px;
  object-fit:contain;
  border-radius:10px;
  background:#0000;
  display:block;
  margin:0 auto 12px;
}
.preview-actions{display:flex;gap:10px;justify-content:center;}

.status-line{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--ledger-green);
  text-align:center;
  padding:8px 10px;
  background:var(--ledger-green-light);
  border-radius:8px;
}
.status-line.is-error{
  color:var(--danger);
  background:#f6e6e3;
}

/* Buttons */
.btn{
  font-family:var(--font-body);
  font-weight:600;
  font-size:14px;
  padding:11px 20px;
  border-radius:10px;
  border:none;
  cursor:pointer;
  transition:transform .05s ease;
}
.btn:active{transform:scale(.97);}
.btn-primary{
  background:var(--ledger-green-deep);
  color:var(--gold-soft);
}
.btn-ghost{
  background:transparent;
  color:var(--ledger-green-deep);
  border:1.5px solid #cdc6b3;
}
.btn-ghost.danger{color:var(--danger);border-color:#d9bdb8;}
.link-btn{
  background:none;
  border:none;
  color:var(--ledger-green);
  font-family:var(--font-body);
  font-weight:600;
  font-size:13.5px;
  cursor:pointer;
  padding:4px 0;
}

.manual-toggle{margin:4px 4px 16px;}

/* Ledger table — the signature element: green columnar-pad styling */
.ledger-wrap{
  background:var(--paper-raised);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.ledger-scroll{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
table.ledger{
  width:100%;
  border-collapse:collapse;
  min-width:760px;
  font-family:var(--font-mono);
  font-size:13px;
}
table.ledger thead th{
  background:var(--ledger-green-deep);
  color:var(--gold-soft);
  font-family:var(--font-body);
  font-weight:600;
  font-size:11.5px;
  letter-spacing:.05em;
  text-transform:uppercase;
  text-align:left;
  padding:12px 14px;
  position:sticky;
  top:0;
}
table.ledger tbody tr:nth-child(even){background:var(--ledger-band);}
table.ledger tbody tr:nth-child(odd){background:var(--paper-raised);}
table.ledger tbody tr{border-bottom:1px solid #e3ddc9;}
table.ledger td{
  padding:10px 14px;
  vertical-align:middle;
  white-space:nowrap;
}
table.ledger td[contenteditable="true"]{
  cursor:text;
}
table.ledger td[contenteditable="true"]:focus{
  outline:2px solid var(--gold);
  outline-offset:-2px;
  background:#fff;
  white-space:normal;
}
.col-proveedor{font-weight:600;}
.col-total{
  color:var(--rule-red);
  font-weight:600;
  border-left:2px solid var(--rule-red);
  text-align:right;
}
.col-actions{width:36px;text-align:center;}
.row-del{
  background:none;border:none;
  color:#9c9385;
  cursor:pointer;
  font-size:15px;
}
.row-del:hover{color:var(--danger);}

tfoot td{
  padding:12px 14px;
  font-family:var(--font-body);
}
.foot-label{
  text-align:right;
  font-weight:600;
  color:var(--ink-soft);
  font-size:12.5px;
}
.foot-total{
  color:var(--rule-red);
  font-weight:700;
  font-family:var(--font-mono);
  border-left:2px solid var(--rule-red);
}

.empty-hint{
  text-align:center;
  color:var(--ink-soft);
  font-size:13px;
  padding:18px;
  margin:0;
}

.export-row{
  display:flex;
  gap:10px;
  justify-content:center;
  margin:18px 4px 0;
}

/* Months nav */
.months-nav{
  position:fixed;
  bottom:0;left:0;right:0;
  background:var(--ledger-green-deep);
  display:flex;
  overflow-x:auto;
  padding:8px 10px calc(8px + env(safe-area-inset-bottom));
  gap:6px;
  box-shadow:0 -2px 10px rgba(0,0,0,.15);
  z-index:20;
}
.month-chip{
  flex-shrink:0;
  font-family:var(--font-body);
  font-size:12.5px;
  font-weight:600;
  color:#cfd6cf;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  padding:8px 14px;
  border-radius:20px;
  cursor:pointer;
}
.month-chip.active{
  background:var(--gold-soft);
  color:var(--ledger-green-deep);
  border-color:var(--gold-soft);
}

/* Modals */
.modal-backdrop{
  position:fixed;inset:0;
  background:rgba(20,26,22,.55);
  display:flex;align-items:flex-end;justify-content:center;
  z-index:50;
}
.modal-backdrop[hidden]{
  display:none;
}
@media (min-width:640px){
  .modal-backdrop{align-items:center;}
}
.modal{
  background:var(--paper-raised);
  width:100%;
  max-width:460px;
  border-radius:18px 18px 0 0;
  padding:22px 22px calc(22px + env(safe-area-inset-bottom));
  max-height:88vh;
  overflow-y:auto;
}
@media (min-width:640px){
  .modal{border-radius:18px;}
}
.modal h2{
  font-family:var(--font-display);
  font-size:19px;
  margin:0 0 6px;
}
.modal-sub{
  font-size:13px;
  color:var(--ink-soft);
  margin:0 0 16px;
}
.field-label{
  display:block;
  font-size:12px;
  font-weight:600;
  color:var(--ink-soft);
  margin-bottom:5px;
  text-transform:uppercase;
  letter-spacing:.04em;
}
.field-input{
  width:100%;
  padding:11px 12px;
  border-radius:9px;
  border:1.5px solid #d8d1bd;
  font-family:var(--font-mono);
  font-size:14px;
  background:#fff;
  margin-bottom:6px;
}
.field-hint{
  font-size:11.5px;
  color:#8a8377;
  margin:0 0 16px;
}
.review-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-bottom:6px;
}
.field-group:nth-child(2){grid-column:1/-1;}
.modal-actions{
  display:flex;
  gap:10px;
  justify-content:flex-end;
  margin-top:14px;
}

.toast{
  position:fixed;
  bottom:80px;left:50%;
  transform:translateX(-50%);
  background:var(--ledger-green-deep);
  color:var(--gold-soft);
  padding:10px 18px;
  border-radius:20px;
  font-size:13px;
  font-weight:600;
  box-shadow:var(--shadow);
  z-index:60;
}

@media (max-width:480px){
  .topbar-text h1{font-size:17px;}
  .review-grid{grid-template-columns:1fr;}
  .field-group:nth-child(2){grid-column:auto;}
}