/* Panel Director UEMachali - Estilo alineado con la app */
:root {
  --primary: #D13211;
  --primary-dark: #8B0000;
  --accent: #004A85;
  --accent-dark: #003366;
  --background: #F5F5F5;
  --surface: #FFFFFF;
  --on-primary: #FFFFFF;
  --on-surface: #212121;
  --on-surface-muted: #666;
  --border: #E0E0E0;
  --error: #D32F2F;
  --success: #388E3C;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, sans-serif; background: var(--background); color: var(--on-surface); font-size: 14px; line-height: 1.4; }

/* ----- Login ----- */
.pagina-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 50%, #000 100%);
}
.login-card {
  background: rgba(0,0,0,0.4);
  padding: 2rem;
  border-radius: 16px;
  width: 100%;
  max-width: 380px;
  border: 1px solid rgba(255,255,255,0.2);
}
.login-card h1 { color: var(--on-primary); margin: 0 0 0.5rem 0; font-size: 1.5rem; }
.login-card .subtitulo { color: rgba(255,255,255,0.85); margin-bottom: 1.5rem; font-size: 0.9rem; }
.login-card label { display: block; color: rgba(255,255,255,0.9); margin-bottom: 0.25rem; }
.login-card input,
.login-card select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 1rem;
}
.login-card select { cursor: pointer; }
.login-card select option { color: #333; background: #fff; }
.login-card input::placeholder { color: rgba(255,255,255,0.5); }
.login-card .error { color: #ffcdd2; font-size: 0.85rem; margin-bottom: 0.5rem; }
.login-card button {
  width: 100%;
  padding: 0.75rem;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  color: var(--on-primary);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.login-card button:hover { opacity: 0.95; }
.login-card button:disabled { opacity: 0.6; cursor: not-allowed; }
.login-card .mostrar-password-label { display: flex; align-items: center; gap: 0.5rem; margin: 0.5rem 0 0 0; font-size: 0.9rem; color: rgba(255,255,255,0.85); cursor: pointer; }
.login-card .mostrar-password-label input[type="checkbox"] { width: auto; margin: 0; cursor: pointer; }

/* ----- Panel ----- */
.panel-contenedor { display: flex; min-height: 100vh; }
.sidebar {
  width: 260px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1rem 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.sidebar nav { flex: 1; overflow-y: auto; }
.sidebar .logo { padding: 0 1rem 1rem; border-bottom: 1px solid var(--border); margin-bottom: 0.5rem; font-weight: 700; color: var(--primary); }
.sidebar .sidebar-nombre { padding: 0 1rem 0.25rem; font-size: 1rem; font-weight: 600; color: var(--on-surface); margin-bottom: 0.25rem; }
.sidebar .sidebar-categoria { padding: 0 1rem 0.75rem; margin-bottom: 0.5rem; }
.sidebar .sidebar-categoria-label { display: block; font-size: 0.8rem; color: var(--on-surface-muted); margin-bottom: 0.35rem; }
.sidebar .sidebar-select-categoria { width: 100%; padding: 0.45rem 0.5rem; font-size: 0.9rem; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--on-surface); }
.sidebar .nav-resto-opciones { display: flex; flex-direction: column; }
.sidebar .sidebar-rol { padding: 0 1rem 0.5rem; font-size: 0.8rem; color: var(--on-surface-muted); margin-bottom: 1rem; }
.sidebar nav a {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--on-surface);
  text-decoration: none;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: var(--background); }
.sidebar nav a.activo { background: rgba(209,50,17,0.08); border-left-color: var(--primary); color: var(--primary); font-weight: 600; }
.sidebar .nav-group { margin-bottom: 0.25rem; }
.sidebar .nav-group-title {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--on-surface);
  cursor: pointer;
  user-select: none;
}
.sidebar .nav-group-title:hover { background: var(--background); }
.sidebar .nav-chevron {
  font-size: 0.6rem;
  transition: transform 0.2s ease;
  color: var(--on-surface-muted);
}
.sidebar .nav-group.collapsado .nav-chevron { transform: rotate(-90deg); }
.sidebar .nav-group-items {
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.sidebar .nav-group.collapsado .nav-group-items { max-height: 0; opacity: 0; pointer-events: none; }
.sidebar .nav-group:not(.collapsado) .nav-group-items { max-height: 500px; opacity: 1; }
.sidebar .nav-group-items a {
  display: block;
  padding: 0.5rem 1rem 0.5rem 2rem;
  font-size: 0.9rem;
  color: var(--on-surface);
  text-decoration: none;
  border-left: 3px solid transparent;
}
.sidebar .nav-group-items a:hover { background: var(--background); }
.sidebar .nav-group-items a.activo { background: rgba(209,50,17,0.08); border-left-color: var(--primary); color: var(--primary); font-weight: 600; }
.sidebar .cerrar { margin-top: auto; padding: 1rem; }
.sidebar .cerrar a { color: var(--on-surface-muted); font-size: 0.9rem; }

.contenido-principal { flex: 1; padding: 1.5rem; overflow: auto; }
.contenido-principal h2 { margin: 0 0 1rem 0; color: var(--on-surface); font-size: 1.25rem; }

/* Botones */
.btn { display: inline-block; padding: 0.5rem 1rem; border-radius: 6px; font-size: 0.9rem; cursor: pointer; border: none; text-decoration: none; }
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--accent); color: var(--on-primary); }
.btn-secondary:hover { background: var(--accent-dark); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--on-surface); }
.btn-outline:hover { background: var(--background); }
.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover { background: #b71c1c; }
.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.85rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }

/* Tablas */
.tabla-contenedor { overflow-x: auto; background: var(--surface); border-radius: 8px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.6rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--background); font-weight: 600; color: var(--on-surface); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(0,0,0,0.02); }
.acciones { white-space: nowrap; }
.acciones .btn { margin-right: 0.25rem; }
tr.fila-clickable { cursor: pointer; }

/* Pestañas (tabs) */
.tabs { display: flex; gap: 0; margin-bottom: 1rem; border-bottom: 1px solid var(--border); }
.tabs .tab { padding: 0.5rem 1rem; background: transparent; border: none; border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; font-size: 0.95rem; color: var(--on-surface-muted); }
.tabs .tab:hover { color: var(--on-surface); }
.tabs .tab.activo { font-weight: 600; color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: block; }
.tab-panel.oculto { display: none; }

/* Ficha alumno (lectura) */
.ficha-lectura { gap: 0.5rem; }
.ficha-fila { display: flex; gap: 0.5rem; padding: 0.25rem 0; }
.ficha-label { font-weight: 500; color: var(--on-surface-muted); min-width: 140px; }
.ficha-valor { color: var(--on-surface); }

/* Formularios */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
.form-vertical { display: flex; flex-direction: column; }
.form-vertical .form-group { display: block; max-width: 100%; }
.form-vertical .form-group label { display: block; }
.form-vertical .form-group input,
.form-vertical .form-group select,
.form-vertical .form-group textarea { width: 100%; max-width: 400px; display: block; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.25rem; color: var(--on-surface); font-weight: 500; }
.form-static { margin: 0; padding: 0.5rem 0; font-size: 1rem; }
.form-hint { margin: 0.25rem 0 0; font-size: 0.8rem; color: var(--on-surface-muted); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-actions { margin-top: 1.5rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* Cards */
.card { background: var(--surface); border-radius: 8px; border: 1px solid var(--border); padding: 1rem; margin-bottom: 1rem; }
.card h3 { margin: 0 0 0.5rem 0; font-size: 1rem; }

/* Icono abrir comprobante (imagen) */
.icono-comprobante { display: inline-flex; align-items: center; justify-content: center; font-size: 1.4rem; cursor: pointer; padding: 4px 6px; border-radius: 6px; vertical-align: middle; }
.icono-comprobante:hover { background: var(--border); }
.icono-comprobante:focus { outline: 2px solid var(--primary); outline-offset: 2px; }
.icono-comprobante-disabled { opacity: 0.5; cursor: not-allowed; }
.icono-comprobante-disabled:hover { background: transparent; }
.btn-ver-comprobante-disabled { opacity: 0.6; cursor: not-allowed; pointer-events: auto; }

/* Iconos estado pagos */
.icono-estado { display: inline-flex; align-items: center; justify-content: center; font-size: 1.2rem; font-weight: bold; min-width: 24px; }
.icono-pagado { color: #4CAF50; }
.icono-vencido { color: #F44336; }
.icono-pendiente { color: #FFC107; }

/* Fila mes pago */
.card-fila-mes { padding: 12px 16px; margin-bottom: 8px; }
.fila-mes-pago { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.fila-mes-pago .mes-nombre { font-weight: 500; flex: 1; }
.fila-mes-pago .mes-vencimiento { font-size: 0.9rem; color: var(--on-surface-muted); }
.detalle-pagos-mes { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.detalle-pagos-titulo { font-size: 0.8rem; font-weight: 500; color: var(--on-surface-muted); margin-bottom: 6px; }
.detalle-pagos-fila { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 2px 0; }

/* Dialog overlay */
.dialog-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.dialog-card {
  background: var(--surface);
  border-radius: 8px;
  padding: 1.5rem;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.dialog-card h3 { margin: 0 0 1rem 0; font-size: 1.1rem; }
.dialog-card .form-group { margin-bottom: 1rem; }
.dialog-card select { width: 100%; padding: 0.5rem; border: 1px solid var(--border); border-radius: 6px; }

/* Filtro mes/año (Gastos, Ingresos) */
.filtro-mes-card { padding: 1rem; }
.filtro-mes-row { display: flex; gap: 1rem; align-items: flex-start; flex-wrap: wrap; }
.filtro-mes-item { flex: 1; min-width: 120px; }
.filtro-mes-label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--on-surface-muted); margin-bottom: 0.35rem; }
.filtro-mes-item select { width: 100%; padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 6px; font-size: 0.95rem; }

/* Reportes y estadísticas */
.reportes-selectores { display: flex; gap: 0.75rem; margin-top: 0.5rem; }
.reportes-selectores select { padding: 0.5rem 0.75rem; border: 1px solid var(--border); border-radius: 6px; font-size: 0.95rem; min-width: 140px; }
.reportes-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1rem; }
@media (max-width: 600px) { .reportes-cards { grid-template-columns: 1fr; } }
.reporte-card { background: var(--surface); border-radius: 12px; border: 1px solid var(--border); padding: 1.25rem; }
.reporte-card-label { font-size: 0.9rem; font-weight: 600; color: var(--on-surface-muted); margin-bottom: 0.5rem; }
.reporte-card-valor { font-size: 1.5rem; font-weight: 700; }
.reporte-ingresos .reporte-card-valor { color: #4CAF50; }
.reporte-egresos .reporte-card-valor { color: #F44336; }
.reporte-balance.positivo .reporte-card-valor { color: #4CAF50; }
.reporte-balance.negativo .reporte-card-valor { color: #F44336; }
.reportes-grafico { padding: 1rem; }
.reportes-grafico-titulo { font-weight: 600; margin-bottom: 1rem; color: var(--on-surface); }
.reportes-grafico-barras { display: flex; align-items: flex-end; justify-content: center; gap: 2rem; height: 160px; }
.reporte-barra-cont { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; flex: 1; max-width: 120px; height: 160px; }
.reporte-barra { width: 48px; min-height: 4px; border-radius: 4px 4px 0 0; transition: height 0.3s ease; align-self: center; }
.reporte-barra-ingresos { background: #4CAF50; }
.reporte-barra-egresos { background: #F44336; }
.reporte-barra-balance.positivo { background: #4CAF50; }
.reporte-barra-balance.negativo { background: #F44336; }
.reporte-barra-etiqueta { font-size: 0.8rem; color: var(--on-surface-muted); margin-top: 0.5rem; }

/* Utilidades */
.oculto { display: none !important; }
.texto-error { color: var(--error); }
.texto-exito { color: var(--success); }
.texto-ayuda { color: var(--on-surface-muted); font-size: 0.9rem; }
.categorias-checklist { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.categorias-checklist .checkbox-label { display: inline-flex; align-items: center; gap: 0.35rem; cursor: pointer; white-space: nowrap; }
.lista-horarios { list-style: none; padding: 0; margin: 0 0 1rem 0; }
.lista-horarios li { padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.lista-horarios li:last-of-type { border-bottom: none; }
.cargando { opacity: 0.7; pointer-events: none; }
.lista-seleccionable { list-style: none; padding: 0; margin: 0 0 1rem 0; max-height: 200px; overflow-y: auto; }
.lista-seleccionable .item-seleccionable { padding: 0.5rem 0.75rem; cursor: pointer; border-radius: 6px; border: 1px solid transparent; }
.lista-seleccionable .item-seleccionable:hover { background: #f0f0f0; border-color: var(--border); }
.lista-seleccionable li.muted { color: var(--on-surface-muted); font-style: italic; }