:root {
  /* Paleta clara: blanco predominante, verde institucional como color primario
   * (asociado a lo contable/patrimonio/prosperidad) y azul como color de
   * acento y contraste (institucional, obligaciones tributarias). */
  --bg: #f4f8f6;
  --panel: #ffffff;
  --panel-2: #f0f7f3;
  --border: #d6e2dc;
  --text: #0f2e1f;
  --muted: #5f7a6d;
  --accent: #059669;         /* Verde primario */
  --accent-strong: #047857;  /* Verde profundo, para hover / activos */
  --accent-soft: #ecfdf5;    /* Verde muy suave, para fondos destacados */
  --azul: #1d4ed8;           /* Azul institucional para acentos tributarios */
  --azul-soft: #eff6ff;
  --ok: #059669;
  --warn: #d97706;
  --warn-soft: #fef3c7;
  --error: #dc2626;
  --error-soft: #fee2e2;
  --shadow-sm: 0 1px 2px rgba(15, 46, 31, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 46, 31, 0.08);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 24px 12px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.app-header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.app-header .dot { color: #a7f3d0; }
.subtitle {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.82rem;
}

/* ---------- Layout: sidebar + contenido ---------- */
.app-body {
  display: flex;
  min-height: 0;
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  overflow-y: auto;
}
.tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: none;
  border-left: 3px solid transparent;
  color: var(--muted);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 0.85rem;
  text-align: left;
  transition: color .12s, background .12s, border-color .12s;
}
.tab-btn:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.tab-btn.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 600;
  border-left-color: var(--accent);
}
.tab-icon { font-size: 1.05rem; flex-shrink: 0; width: 22px; text-align: center; }
.tab-label { line-height: 1.3; }

.content {
  flex: 1;
  min-width: 0;
  padding: 20px 28px 60px;
  max-width: 1100px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
  margin-bottom: 18px;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}
.card h2 { margin-top: 0; color: var(--text); }
.card h3 { color: var(--text); }
.section-title { padding-left: 4px; }

.grid-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 20px;
}
.grid-info > div { display: flex; flex-direction: column; }
.label { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }

.grid-kpi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 12px 0;
}
.kpi {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
}
.kpi-value {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.kpi-label {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.kpi-positivo::before { background: var(--ok); }
.kpi-positivo .kpi-value { color: var(--ok); }
.kpi-negativo::before { background: var(--error); }
.kpi-negativo .kpi-value { color: var(--error); }
.kpi-azul::before { background: var(--azul); }
.kpi-azul .kpi-value { color: var(--azul); }
.kpi-warn::before { background: var(--warn); }
.kpi-warn .kpi-value { color: var(--warn); }

.muted { color: var(--muted); }
.muted-inline { color: var(--muted); font-weight: 400; font-size: 0.85rem; }

.form-row {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.form-row label {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
  color: var(--muted);
  gap: 4px;
}
.form-row .grow { flex: 1; }

input, select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.9rem;
}
input:focus, select:focus { outline: 1px solid var(--accent); }

table { border-collapse: collapse; width: 100%; }
.tabla-asiento, .tabla-lista { margin-top: 6px; }
.tabla-asiento th, .tabla-asiento td,
.tabla-lista th, .tabla-lista td {
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  font-size: 0.88rem;
}
.tabla-lista th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.total-col { text-align: right; font-weight: 600; }
.subtotal td { font-weight: 600; border-top: 1px solid var(--border); }
.total td { font-weight: 700; border-top: 2px solid var(--border); }

.input-monto { width: 120px; text-align: right; }
.input-cuenta { width: 100%; min-width: 220px; }

.btn-primary, .btn-secondary {
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  cursor: pointer;
  font-size: 0.88rem;
}
.btn-primary { background: var(--accent); color: white; font-weight: 600; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-secondary:disabled { opacity: 0.4; cursor: not-allowed; }

.form-actions { margin-top: 14px; display: flex; gap: 10px; }

.alert {
  padding: 10px 14px;
  border-radius: 6px;
  margin: 10px 0;
  font-size: 0.88rem;
}
.alert ul { margin: 6px 0 0; padding-left: 18px; }
.alert-error { background: var(--error-soft); border: 1px solid var(--error); color: #7f1d1d; }
.alert-ok { background: var(--accent-soft); border: 1px solid var(--accent); color: var(--accent-strong); }

.badge-editing {
  font-size: 0.7rem;
  background: var(--accent);
  color: white;
  padding: 3px 8px;
  border-radius: 10px;
  vertical-align: middle;
  margin-left: 8px;
}

/* ---------- Libro Diario: cabecera + Modo Práctica Libre ---------- */
.diario-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.diario-header h2 { margin: 0; }
.toggle-libre {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--muted);
  user-select: none;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel-2);
  transition: border-color 0.15s, color 0.15s;
}
.toggle-libre:hover { border-color: var(--warn); color: var(--warn); }
.toggle-libre input { accent-color: var(--warn); cursor: pointer; }

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 800px) {
  .grid-2col { grid-template-columns: 1fr; }
}
.table-wrap { overflow-x: auto; }
.tabla-8col { min-width: 900px; }

/* ---------- Bandeja de Tareas ---------- */
.bandeja-header {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.bandeja-header > div { display: flex; flex-direction: column; gap: 2px; }
.fecha-actual { font-size: 1.15rem; font-weight: 700; }

.centrado { text-align: center; }
.btn-grande { padding: 14px 28px; font-size: 1rem; margin-top: 8px; }

.tarea-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
.tarea-header h2 { margin: 2px 0 0; }
.tarea-remitente {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  font-weight: 700;
}
.tarea-fecha { color: var(--muted); font-size: 0.85rem; white-space: nowrap; }
.tarea-narrativa {
  margin: 14px 0;
  line-height: 1.65;
  font-size: 0.94rem;
}
.tarea-narrativa p { margin: 0 0 10px; }

.documento {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  margin: 16px 0;
  max-width: 420px;
}
.documento-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}
.documento-tipo { font-weight: 700; font-size: 0.85rem; }
.documento-nro { color: var(--muted); font-size: 0.85rem; white-space: nowrap; }
.documento-parte { margin: 0 0 10px; color: var(--muted); font-size: 0.85rem; }
.tabla-doc { width: 100%; }
.tabla-doc td { padding: 4px 0; font-size: 0.88rem; }
.documento-total td { border-top: 1px solid var(--border); font-weight: 700; padding-top: 8px; }

.alert-info {
  background: var(--azul-soft);
  border: 1px solid var(--azul);
  color: #1e3a8a;
}
.alert-warn {
  background: var(--warn-soft);
  border: 1px solid var(--warn);
  color: #78350f;
}

/* ---------- Masterclass ---------- */
.masterclass {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 20px 18px;
  margin: 16px 0;
}
.masterclass h3 { margin-bottom: 4px; }
.mc-bloque { margin-top: 18px; }
.mc-bloque h4 {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.95rem;
}
.mc-sub { color: var(--muted); font-weight: 400; font-size: 0.8rem; }
.mc-bloque p { margin: 0 0 10px; line-height: 1.65; font-size: 0.9rem; }
.mc-bloque ul { margin: 0; padding-left: 20px; }
.mc-bloque li { margin-bottom: 6px; line-height: 1.5; font-size: 0.9rem; color: var(--text); }
.mc-secreto {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.mc-secreto h4 { color: var(--warn); }

/* ---------- Carpeta de Facturas ---------- */
.carpeta-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.carpeta-header h2 { margin: 0; }
.carpeta-input {
  flex: 1 1 260px;
  max-width: 380px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--panel-2);
  color: var(--text);
  font-size: 0.9rem;
}
.carpeta-input:focus {
  outline: none;
  border-color: var(--azul);
  background: var(--panel);
}

.carpeta-seccion h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}
.carpeta-contador {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: normal;
}
.carpeta-nota {
  font-size: 0.85rem;
  margin: 0 0 12px;
}

.tabla-carpeta { min-width: 780px; }
.tabla-carpeta thead th { font-size: 0.82rem; }

.carpeta-tipo {
  font-weight: 500;
  color: var(--text);
  line-height: 1.35;
}
.carpeta-badges {
  display: flex;
  gap: 6px;
  margin-top: 4px;
  flex-wrap: wrap;
}
.carpeta-badge-iva,
.carpeta-badge-ila {
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 600;
}
.carpeta-badge-iva { background: var(--azul-soft); color: var(--azul); }
.carpeta-badge-ila { background: var(--warn-soft); color: var(--warn); }
.carpeta-numero {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
}
.carpeta-neto { color: var(--muted); font-size: 0.9rem; }
.carpeta-total { font-size: 0.95rem; }
.carpeta-asiento {
  font-size: 0.82rem;
  color: var(--accent);
  white-space: nowrap;
}

/* Ejemplo literal (solo se usa en la masterclass del pago F29) */
.mc-ejemplo {
  background: var(--azul-soft);
  border: 1px solid var(--azul);
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: 18px;
}
.mc-ejemplo h4 { color: var(--azul); margin-top: 0; }
.mc-ejemplo-titulo { margin: 0 0 10px; font-size: 0.9rem; color: var(--text); }
.mc-ejemplo-tabla { margin: 8px 0; background: var(--panel); }
.mc-ejemplo-tabla th { background: var(--panel-2); font-size: 0.85rem; }
.mc-ejemplo-tabla td { font-size: 0.9rem; }
.mc-cuenta-codigo {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  color: var(--azul);
  font-weight: 600;
}
.mc-ejemplo-nota {
  margin: 10px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
  font-style: italic;
}

/* ---------- Selector de clientes (multicliente) ---------- */
.clientes-bar {
  position: sticky;
  top: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 8px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.clientes-lista {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}
.cliente-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 6px 6px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  transition: border-color .12s, background .12s;
  max-width: 320px;
}
.cliente-chip:hover { border-color: var(--accent); }
.cliente-chip.activo {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.cliente-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.78rem;
  flex-shrink: 0;
}
.cliente-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
  min-width: 0;
}
.cliente-nombre {
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}
.cliente-meta {
  font-size: 0.7rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}
.cliente-eliminar {
  color: var(--muted);
  font-size: 1rem;
  padding: 0 4px;
  border-radius: 4px;
  line-height: 1;
}
.cliente-eliminar:hover { color: var(--error); background: var(--error-soft); }
.clientes-cupo { font-size: 0.8rem; color: var(--muted); }

/* ---------- Dashboard rediseñado ---------- */
.dash-empresa-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.dash-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-azul {
  background: var(--azul-soft);
  color: var(--azul);
  border: 1px solid var(--azul);
}
.dash-acciones-cliente {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}
.btn-reiniciar {
  padding: 6px 16px;
  font-size: 0.82rem;
  border: 1px solid var(--warn);
  background: transparent;
  color: var(--warn);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.btn-reiniciar:hover {
  background: var(--warn);
  color: #fff;
}

/* --- Barra de filtro de período + descarga Excel (reportes) --- */
.barra-periodo {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.barra-periodo-controles {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 14px;
}
.bp-campo {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.bp-campo select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
  min-width: 150px;
}
.barra-periodo-etiqueta {
  align-self: center;
  font-size: 0.9rem;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
}
.btn-descargar {
  padding: 9px 18px;
  border: none;
  background: var(--azul);
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: background 0.15s, opacity 0.15s;
}
.btn-descargar:hover {
  background: #1e40af;
}
.btn-descargar:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.nota-foto {
  margin: 0 0 12px;
  font-size: 0.86rem;
}
.mayor-saldo-inicial {
  background: var(--panel-2);
  font-style: italic;
  color: var(--muted);
}
.lista-obligaciones {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}
.lista-obligaciones li {
  display: grid;
  grid-template-columns: minmax(120px, auto) 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 6px;
  background: var(--panel-2);
}
.obl-tipo {
  font-weight: 700;
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.obl-azul { background: var(--azul-soft); color: var(--azul); }
.obl-warn { background: var(--warn-soft); color: var(--warn); }
.obl-periodo { color: var(--text); font-size: 0.9rem; }
.obl-vence { color: var(--muted); font-size: 0.82rem; white-space: nowrap; }

/* ---------- Libro Mayor agrupado ---------- */
.mayor-grupo { padding: 18px; }
.mayor-grupo-titulo {
  margin: 0 0 14px;
  padding: 8px 12px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 3px;
}
.mayor-cuenta {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 12px;
  padding: 10px 14px;
}
.mayor-cuenta[open] { padding-bottom: 14px; }
.mayor-cuenta > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 4px 0;
}
.mayor-cuenta > summary::-webkit-details-marker { display: none; }
.mayor-cuenta > summary::before {
  content: "▸";
  color: var(--muted);
  font-size: 0.9rem;
  transition: transform .1s;
  flex-shrink: 0;
}
.mayor-cuenta[open] > summary::before { transform: rotate(90deg); }
.mayor-cuenta-titulo {
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
  flex: 1;
}
.mayor-cuenta-saldo {
  color: var(--muted);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.mayor-cuenta table { margin-top: 10px; }

/* ---------- Formulario tributario (F29 / F22) ---------- */
.formulario-sii {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 18px 16px;
  margin: 16px 0;
  overflow-x: auto;
}
.formulario-sii h3 { margin-bottom: 2px; }
.tabla-formulario { width: 100%; min-width: 520px; }
.tabla-formulario th,
.tabla-formulario td {
  border-bottom: 1px solid var(--border);
  padding: 9px 10px;
  text-align: left;
  font-size: 0.88rem;
  vertical-align: middle;
}
.tabla-formulario th {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.tabla-formulario td:last-child { text-align: right; }
.codigo-sii {
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------- Libro de Compras y Ventas ---------- */
.lcv-controles {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.lcv-periodo-wrap { display: flex; flex-direction: column; gap: 4px; }
.lcv-select {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 0.9rem;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}
.lcv-tabs-bar { display: flex; gap: 8px; flex-wrap: wrap; }
.lcv-tab {
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all .15s;
}
.lcv-tab:hover { border-color: var(--accent); color: var(--accent); }
.lcv-tab-activo {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
  font-weight: 600;
}
.lcv-cnt { font-weight: 400; opacity: .75; }
.lcv-titulo-libro {
  margin: 0 0 12px;
  font-size: 1rem;
  color: var(--text);
  font-weight: 600;
}
.lcv-tabla-wrap { margin-bottom: 20px; }
.lcv-tabla-scroll { overflow-x: auto; }
.tabla-lcv {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.tabla-lcv th {
  background: var(--panel-2);
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.tabla-lcv td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.tabla-lcv tr:last-child td { border-bottom: none; }
.tabla-lcv .num { text-align: right; font-variant-numeric: tabular-nums; }
.lcv-fila:hover { background: var(--accent-soft); }
.lcv-fila-nc { background: #fff7ed; }
.lcv-fila-nc:hover { background: #fef3c7; }
.lcv-seq, .lcv-cod-sii { color: var(--muted); font-size: 0.8rem; }
.lcv-cod-sii { font-family: ui-monospace, monospace; font-weight: 600; }
.lcv-ndoc { font-family: ui-monospace, monospace; font-size: 0.82rem; }
.lcv-tipo { font-size: 0.83rem; }
.lcv-parte { font-size: 0.85rem; max-width: 180px; }
.lcv-badge-nc {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: .03em;
  margin-right: 4px;
}
.lcv-neg { color: var(--error); }
.lcv-asiento-col { white-space: nowrap; }
.lcv-link-asiento { color: var(--accent); text-decoration: none; font-size: 0.82rem; }
.lcv-link-asiento:hover { text-decoration: underline; }
.lcv-sin-docs { padding: 12px 0; }

/* Resumen IVA */
.lcv-resumen {
  border-radius: 8px;
  padding: 16px 20px;
  margin-top: 4px;
}
.lcv-resumen h4 { margin: 0 0 12px; font-size: 0.95rem; }
.lcv-res-verde { background: var(--accent-soft); border: 1px solid var(--accent); }
.lcv-res-verde h4 { color: var(--accent-strong); }
.lcv-res-azul { background: var(--azul-soft); border: 1px solid var(--azul); }
.lcv-res-azul h4 { color: var(--azul); }
.lcv-res-fila {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 4px 0;
  font-size: 0.9rem;
}
.lcv-res-sep {
  border-top: 1px solid var(--border);
  margin: 8px 0;
}
.lcv-res-total {
  font-size: 1rem;
  padding-top: 6px;
}
.lcv-res-nota {
  margin: 10px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  font-style: italic;
}
.lcv-vacio {
  background: var(--panel-2);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================================
 * Fase 2 — Autenticación: overlay de login / registro
 * ============================================================ */

/* Sin sesión: oculta todo el chrome del simulador hasta que el alumno entre. */
body.sin-sesion .app-header,
body.sin-sesion #clientes-bar,
body.sin-sesion #tabs,
body.sin-sesion #content {
  display: none !important;
}

#auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--panel);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  padding: 34px 30px;
  text-align: center;
}
.auth-brand {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-strong);
  letter-spacing: -0.01em;
}
.auth-brand .dot { color: var(--accent); }
.auth-sub {
  margin: 4px 0 22px;
  color: var(--muted);
  font-size: 0.86rem;
}

.auth-form h2 {
  margin: 0 0 18px;
  font-size: 1.25rem;
  color: var(--text);
}
.auth-form label {
  display: block;
  text-align: left;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 12px;
}
.auth-form input {
  width: 100%;
  margin-top: 5px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: var(--panel);
  color: var(--text);
}
.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.auth-hint {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.76rem;
}
.input-codigo {
  font-family: "Consolas", "Monaco", monospace;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 1.1rem;
}
.auth-form .btn-grande {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  font-size: 1rem;
}
.auth-link {
  margin: 12px 0 0;
  font-size: 0.82rem;
}
.auth-switch {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.86rem;
  color: var(--muted);
}
.auth-card a {
  color: var(--accent-strong);
  font-weight: 600;
  text-decoration: none;
}
.auth-card a:hover { text-decoration: underline; }

.auth-cargando {
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: 6px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  vertical-align: middle;
  animation: auth-spin 0.8s linear infinite;
}
@keyframes auth-spin { to { transform: rotate(360deg); } }

#auth-msg { margin-top: 14px; }
#auth-msg .alert { text-align: left; }

/* Barra de usuario en el encabezado (nombre + cerrar sesión) */
#user-bar {
  position: absolute;
  top: 18px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.app-header { position: relative; }
.user-email {
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.85rem;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-logout {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  padding: 7px 14px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: background 0.12s;
}
.btn-logout:hover { background: rgba(255, 255, 255, 0.28); }

/* Insignia de rol en la barra de usuario (solo roles institucionales). */
.user-rol {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Cuando aparece dentro de una tabla del panel (fondo claro), el estilo del
   header verde deja de funcionar. Se re-tematiza para leerse bien en claro. */
.tabla-alumnos .user-rol {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text, #1a1a1a);
  border-color: rgba(0, 0, 0, 0.12);
}

/* Panel inline para inscribir alumnos en un curso (panel-profesor). */
.inscribir-panel {
  background: #f4f9f6;
  border: 1px solid #cfe3d6;
  border-radius: 10px;
  padding: 1em 1.25em;
  margin: 1em 0;
}
.inscribir-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75em;
}
.inscribir-header h4 { margin: 0; font-size: 1rem; }
.inscribir-search {
  display: flex;
  gap: 0.5em;
  margin-bottom: 0.75em;
}
.inscribir-search input {
  flex: 1;
  padding: 0.55em 0.8em;
  border: 1px solid #c9d6cd;
  border-radius: 6px;
  font-size: 0.95rem;
}
.lista-busqueda {
  list-style: none;
  padding: 0;
  margin: 0;
}
.item-busqueda {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6em 0.75em;
  border-bottom: 1px solid #e0e9e3;
  gap: 1em;
}
.item-busqueda:last-child { border-bottom: none; }

/* Fase 3 — Modo panel institucional: sin la barra lateral del simulador. */
.modo-panel .sidebar { display: none; }
.modo-panel .content { max-width: 900px; margin: 0 auto; }
.panel-placeholder h2 { margin-bottom: 8px; }
.panel-placeholder p { line-height: 1.55; }

/* --- Panel del profesor: encabezado + tarjetas de curso --- */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.panel-header h2 { margin: 0 0 4px; }
.panel-header p { margin: 0; }

.empty-state {
  padding: 40px 20px;
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: 10px;
  background: var(--panel-2);
}
.empty-state p:first-child { font-size: 1.05rem; margin-bottom: 8px; }

.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  margin-top: 8px;
}

.curso-card {
  display: block;
  text-align: left;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  cursor: pointer;
  transition: transform 0.12s, border-color 0.12s, box-shadow 0.12s;
  font: inherit;
  color: inherit;
}
.curso-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.curso-card-titulo {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--text);
}
.curso-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 10px;
}
.curso-card-codigo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.codigo-mini {
  font-family: 'Consolas', 'Menlo', monospace;
  font-weight: 700;
  letter-spacing: 2px;
  background: var(--panel);
  padding: 4px 10px;
  border-radius: 5px;
  border: 1px solid var(--border);
  color: var(--text);
}
.curso-card-alumnos { font-size: 0.8rem; }
.curso-card-fecha { font-size: 0.75rem; margin-top: 6px; }

/* --- Panel del profesor: detalle del curso --- */
.btn-link {
  background: transparent;
  border: none;
  color: var(--azul, #2563eb);
  cursor: pointer;
  padding: 4px 0;
  font-size: 0.88rem;
  margin-bottom: 10px;
}
.btn-link:hover { text-decoration: underline; }

.detalle-header { margin-bottom: 20px; }
.detalle-header h2 { margin-bottom: 4px; }
.detalle-header p { margin: 0; }

.codigo-caja {
  text-align: center;
  padding: 26px 20px;
  background: var(--accent-soft, #eff6ff);
  border: 2px solid var(--accent, #2563eb);
  border-radius: 12px;
  margin-top: 16px;
}
.codigo-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.codigo-valor {
  font-family: 'Consolas', 'Menlo', monospace;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--text);
  margin: 8px 0 14px;
}
.codigo-ayuda {
  font-size: 0.88rem;
  color: var(--text);
  max-width: 480px;
  margin: 0 auto 16px;
  line-height: 1.45;
}
.copiar-msg {
  display: inline-block;
  margin-left: 12px;
  font-size: 0.85rem;
  color: #10b981;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.2s;
}
.copiar-msg.visible { opacity: 1; }

/* --- Panel del profesor: formulario de creación --- */
.form-grid {
  display: grid;
  gap: 14px;
  margin: 16px 0;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}
.form-grid input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.95rem;
}
.form-grid input:focus {
  outline: none;
  border-color: var(--accent, #2563eb);
}
.required { color: #dc2626; font-weight: 700; }
.opt { color: var(--muted); font-weight: 400; font-size: 0.85em; }

/* --- Panel del profesor: tabla de alumnos (Paso 4) --- */
.alumnos-acciones {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tabla-scroll {
  overflow-x: auto;
  margin-top: 8px;
}
.tabla-alumnos {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.tabla-alumnos th,
.tabla-alumnos td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.tabla-alumnos thead th {
  background: var(--panel-2);
  font-weight: 600;
  color: var(--muted);
  position: sticky;
  top: 0;
}
.tabla-alumnos td.num,
.tabla-alumnos th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.tabla-alumnos tbody tr:hover {
  background: var(--accent-soft);
}

/* Columna Acciones de la tabla de alumnos: botones pequeños alineados. */
.tabla-alumnos td.acciones-reset {
  white-space: nowrap;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-mini {
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: #f3f3f3;
  color: #1a1a1a;
  cursor: pointer;
  line-height: 1.3;
  transition: background 0.15s, border-color 0.15s;
}
.btn-mini:hover {
  background: #e6e6e6;
  border-color: rgba(0, 0, 0, 0.25);
}
.btn-mini:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.btn-mini.btn-danger {
  background: #fff0f0;
  color: #a11919;
  border-color: rgba(161, 25, 25, 0.35);
}
.btn-mini.btn-danger:hover {
  background: #ffe0e0;
  border-color: rgba(161, 25, 25, 0.6);
}

/* Caja de credenciales recién creadas (superadmin y admin_univ). */
.credenciales-caja {
  margin: 1em 0;
  padding: 1em 1.2em;
  background: #f5faff;
  border: 1px solid #cfe4fb;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.credencial-linea {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 4px 0;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.08);
}
.credencial-linea:last-child {
  border-bottom: none;
}
.credencial-label {
  min-width: 110px;
  font-weight: 600;
  color: #345;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.credencial-valor {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 15px;
  color: #1a1a1a;
  word-break: break-all;
}
.credencial-password {
  background: #fff5c4;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid #f0c96b;
  font-weight: 600;
}

@media (max-width: 560px) {
  #user-bar {
    position: static;
    margin-top: 12px;
    justify-content: flex-end;
  }
}

/* ---------- Responsive: sidebar colapsa en móvil ---------- */
@media (max-width: 768px) {
  .app-body { flex-direction: column; }
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 0;
    padding: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .tab-btn {
    border-left: none;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    padding: 10px 14px;
    flex-shrink: 0;
  }
  .tab-btn.active { border-left-color: transparent; border-bottom-color: var(--accent); }
  .tab-label { display: none; }
  .tab-icon { font-size: 1.2rem; }
  .content { padding: 16px 14px 60px; }
}