:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e2e5e9;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
}

* { box-sizing: border-box; }

.hidden { display: none !important; }

.cuenta { position: relative; }

.cuenta-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  padding: 14px;
  min-width: 220px;
  z-index: 50;
}

.cuenta-panel .cuenta-empresa { font-weight: 600; margin: 0 0 2px; font-size: 13px; }
.cuenta-panel .cuenta-email { color: var(--muted); font-size: 12px; margin: 0 0 12px; }
.cuenta-panel .btn-danger { width: 100%; }

.separador { border: none; border-top: 1px solid var(--border); margin: 28px 0; }

/* ---------- Paginas de autenticacion / landing ---------- */

.auth-container {
  max-width: 420px;
  margin: 60px auto;
  background: var(--panel);
  border-radius: 10px;
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.auth-container h1 {
  color: var(--primary);
  font-size: 22px;
  margin: 0 0 4px;
}

.auth-container .subtitulo { color: var(--muted); font-size: 14px; margin-bottom: 24px; }

.auth-container form { display: flex; flex-direction: column; gap: 14px; }

.auth-container label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }

.auth-container input {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

.auth-container .btn-primary { padding: 10px; font-size: 14px; }

.auth-error {
  background: #fee2e2;
  color: var(--danger);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  display: none;
}

.auth-error.visible { display: block; }

.auth-ok {
  background: #dcfce7;
  color: var(--success);
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  display: none;
}

.auth-ok.visible { display: block; }

.auth-links { text-align: center; margin-top: 18px; font-size: 13px; color: var(--muted); }
.auth-links a { color: var(--primary); text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }

/* ---------- Landing publica ---------- */

.landing-hero {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px 24px;
  text-align: center;
}

.landing-hero h1 { color: var(--primary); font-size: 34px; margin: 0 0 12px; }
.landing-hero .subtitulo { color: var(--muted); font-size: 17px; margin-bottom: 28px; }

.landing-cta { display: flex; gap: 12px; justify-content: center; margin-bottom: 8px; }
.landing-cta .btn, .landing-cta .btn-primary { padding: 12px 22px; font-size: 15px; }

.landing-features {
  max-width: 900px;
  margin: 40px auto 64px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.landing-feature {
  background: var(--panel);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.landing-feature h3 { margin: 0 0 8px; font-size: 15px; color: var(--primary); }
.landing-feature p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.topbar h1 {
  font-size: 20px;
  margin: 0;
  color: var(--primary);
}

.tabs { display: flex; gap: 4px; }

.tab-btn {
  background: none;
  border: none;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
  border-radius: 6px;
}

.tab-btn:hover { background: var(--bg); }

.tab-btn.active {
  color: var(--primary);
  font-weight: 600;
  background: #eaf1fe;
}

main { padding: 24px; max-width: 1200px; margin: 0 auto; }

.tab-content { display: none; }
.tab-content.active { display: block; }

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.status-text { font-size: 13px; color: var(--muted); }

.check-inline { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }

.alertas-box {
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
}

.alertas-box.hidden { display: none; }

.alertas-box ul { margin: 6px 0 0; padding-left: 20px; }

.badge-recibo_informal, .badge-cuenta_cobro { background: #fee2e2; color: var(--danger); }
.badge-factura_electronica, .badge-documento_equivalente { background: #dcfce7; color: var(--success); }

.zona-peligro {
  margin-top: 32px;
  padding: 16px;
  border: 1px solid #fecaca;
  border-radius: 8px;
  background: #fff5f5;
}

.zona-peligro h2 { color: var(--danger); font-size: 16px; margin-top: 0; }

.zona-peligro label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0;
}

.zona-peligro input {
  display: block;
  margin-top: 6px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  width: 200px;
}

.btn-danger {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}

.btn-danger:disabled {
  background: #fca5a5;
  border-color: #fca5a5;
  cursor: not-allowed;
}

.filtros {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}

.filtros input, .filtros select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}

.filtros label { font-size: 13px; color: var(--muted); display: flex; gap: 6px; align-items: center; }

.btn {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
}

.btn:hover { background: var(--bg); }

.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.btn-primary:hover { background: var(--primary-hover); }

.tabla-facturas {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.tabla-facturas th, .tabla-facturas td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.tabla-facturas th {
  background: #fafbfc;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.02em;
}

.tabla-facturas tbody tr:hover { background: #fafbfc; cursor: pointer; }

.th-sort { cursor: pointer; user-select: none; }
.th-sort:hover { color: var(--primary); }
.th-sort .flecha { margin-left: 4px; opacity: 0.6; }

.badge {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.badge-confirmada { background: #dcfce7; color: var(--success); }
.badge-pendiente_revision { background: #fef3c7; color: var(--warning); }
.badge-electronica { background: #dbeafe; color: var(--primary); }
.badge-manual { background: #f3e8ff; color: #7e22ce; }

.upload-box {
  background: var(--panel);
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 32px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.hint { color: var(--muted); font-size: 13px; margin-top: 12px; }

.export-buttons { display: flex; gap: 8px; margin-left: auto; }

.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0 24px;
}

.kpi-card {
  background: var(--panel);
  border-radius: 8px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.kpi-card .kpi-label { font-size: 12px; color: var(--muted); text-transform: uppercase; }
.kpi-card .kpi-value { font-size: 24px; font-weight: 700; margin-top: 4px; }

.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.chart-box {
  background: var(--panel);
  border-radius: 8px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.chart-box h3 { margin: 0 0 12px; font-size: 14px; color: var(--muted); }

.chart-box svg { width: 100%; height: auto; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--panel);
  border-radius: 10px;
  padding: 24px;
  max-width: 700px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
}

.modal-cerrar {
  position: absolute;
  top: 12px;
  right: 12px;
  border: none;
  background: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--muted);
}

.archivo-preview img {
  cursor: zoom-in;
}

.visor-imagen-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 200;
  display: flex;
  flex-direction: column;
}

.visor-imagen-overlay.hidden { display: none; }

.visor-imagen-barra {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.6);
  position: relative;
}

.visor-imagen-barra .hint { color: #d1d5db; margin: 0; }
.visor-imagen-barra .modal-cerrar { position: static; margin-left: auto; color: #fff; font-size: 22px; }

#visor-imagen-contenedor {
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none;
}

#visor-imagen-contenedor.arrastrando { cursor: grabbing; }

#visor-imagen-img {
  max-width: 95%;
  max-height: 95%;
  object-fit: contain;
  transform-origin: center center;
  user-select: none;
  -webkit-user-drag: none;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}

.form-grid input, .form-grid textarea {
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}

.form-grid .span-2 { grid-column: span 2; }

.items-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
}

.items-table th, .items-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  text-align: left;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

.archivo-preview img, .archivo-preview embed {
  width: 100%;
  max-height: 400px;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin-top: 12px;
}

.acciones-empresa {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.pt-tarjeta {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 14px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.pt-tarjeta .comprobante-thumb {
  cursor: zoom-in;
  transition: opacity 0.15s;
  max-height: 140px;
  max-width: 160px;
  border-radius: 6px;
  border: 1px solid var(--border);
  object-fit: contain;
}

.pt-tarjeta .comprobante-thumb:hover {
  opacity: 0.8;
}

.pt-tarjeta .pt-campos {
  flex: 1;
  min-width: 260px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.pt-tarjeta .pt-campos label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

.pt-tarjeta .pt-campos input, .pt-tarjeta .pt-campos select {
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}

.pt-tarjeta .pt-acciones {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 200px;
}