:root {
  /* Paleta principal - Naranja pastel */
  --primary: #FFB384;
  --primary-light: #FFD4B8;
  --primary-dark: #E08E5E;
  --primary-hover: #FFA366;
  --secondary: #FFC493;

  /* Fondos */
  --bg-body: #FFF8F3;
  --bg-light: #FFFBF8;
  --bg-card: #FFFFFF;
  --bg-navbar: color-mix(in srgb, var(--primary) 92%, transparent);

  /* Estados */
  --success: #B8E6B8;
  --success-dark: #7BC67B;
  --danger: #F5B7B1;
  --danger-dark: #E57373;
  --danger-light: #FADBD7;
  --warning: #FFE6A8;
  --warning-dark: #FFD54F;
  --info: #B8E0E6;
  --info-dark: #81C7D4;

  /* Texto */
  --text-dark: #4A3B32;
  --text-light: #6B5B52;
  --text-muted: #9B8B82;
  --text-on-primary: #FFFFFF;

  /* Bordes y sombras */
  --border-color: #FFD4B8;
  --border-light: #FFE8D6;
  --shadow-sm: 0 1px 3px color-mix(in srgb, var(--primary) 15%, transparent);
  --shadow-md: 0 2px 8px color-mix(in srgb, var(--primary) 20%, transparent);
  --shadow-lg: 0 4px 16px color-mix(in srgb, var(--primary) 25%, transparent);

  /* Radios */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* Transiciones */
  --transition: all 0.25s ease;

  /* Tipografía */
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Mono', 'Consolas', monospace;
  --font-size-base: 14px;

  /* Espaciado base */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
}

/* Reset y Base */
* {
  box-sizing: border-box;
}

html, body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  background-color: var(--bg-body);
  color: var(--text-dark);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a, .btn-link {
  color: var(--primary-dark);
  text-decoration: none;
  transition: var(--transition);
}

a:hover, .btn-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Botones */
.btn {
  border-radius: var(--radius-md);
  transition: var(--transition);
  padding: 0.5rem 1.25rem;
  font-weight: 500;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:focus {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 0 0 0.25rem color-mix(in srgb, var(--primary) 40%, transparent);
}

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

.btn-outline-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--text-on-primary);
}

.btn-outline-light {
  color: var(--text-dark);
  border-color: var(--border-color);
}

.btn-outline-light:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--text-dark);
}

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

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

.btn-warning {
  background-color: var(--warning);
  border-color: var(--warning);
  color: var(--text-dark);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Cards */
.card {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  background-color: var(--bg-card);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  border-bottom: 1px solid var(--border-color);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
  padding: 1rem 1.5rem;
  font-weight: 600;
  color: var(--text-dark);
}

.card-body {
  padding: 1.5rem;
}

/* Formularios */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--border-color);
  padding: 0.75rem 1rem;
  transition: var(--transition);
  background-color: var(--bg-card);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--primary) 30%, transparent);
}

.form-label {
  color: var(--text-dark);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-check-input {
  border-color: var(--border-color);
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--primary) 30%, transparent);
  border-color: var(--primary);
}

/* Navbar */
.navbar {
  background-color: var(--bg-navbar);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  color: var(--text-on-primary) !important;
  font-weight: 700;
}

/* Reglas de nav-link acotadas al navbar: las nav-tabs de contenido
   (fichas, pestañas) usan sus propios estilos más abajo. */
.navbar .nav-link {
  color: var(--text-on-primary) !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.navbar .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.navbar .nav-link.active {
  background-color: rgba(255, 255, 255, 0.3);
}

/* Pestañas de contenido (nav-tabs fuera del navbar) */
.nav-tabs .nav-link {
  color: var(--text-light);
  border: 1px solid transparent;
  border-bottom: 3px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-weight: 500;
}

.nav-tabs .nav-link:hover {
  color: var(--text-dark);
  background-color: color-mix(in srgb, var(--primary-light) 25%, transparent);
  border-color: transparent;
}

.nav-tabs .nav-link.active {
  color: var(--text-dark);
  background-color: var(--bg-card);
  border-bottom: 3px solid var(--primary);
  font-weight: 600;
}

.dropdown-menu {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.dropdown-item {
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.dropdown-item:hover {
  background-color: var(--primary-light);
  color: var(--text-dark);
}

/* Zona usuario */
.zona-usuario {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.125rem;
}

.zona-usuario-texto {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-on-primary);
  white-space: nowrap;
}

.zona-usuario-btn {
  color: var(--text-on-primary);
  background-color: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  font-size: 1rem;
  line-height: 1;
  transition: var(--transition);
}

.zona-usuario-btn:hover,
.zona-usuario-btn:focus {
  background-color: rgba(255, 255, 255, 0.35);
  color: var(--text-on-primary);
}

.zona-usuario-btn::after {
  vertical-align: 0.125rem;
}

/* Visor de logs */
.log-hora {
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--text-muted);
}

.log-detalle summary {
  font-size: 0.75rem;
  color: var(--primary-dark);
  cursor: pointer;
  margin-top: 0.25rem;
}

.log-detalle pre {
  font-size: 0.72rem;
  background-color: var(--bg-body, #f8f9fa);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  margin-top: 0.25rem;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Vista previa de informes */
.vista-informe-tabla {
  max-height: 65vh;
  overflow: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.vista-informe-tabla th {
  background-color: var(--bg-body, #f8f9fa);
  position: sticky;
  top: 0;
  z-index: 1;
}

.vista-informe-tabla td,
.vista-informe-tabla th {
  white-space: nowrap;
  font-size: 0.8rem;
}

/* Notificaciones */
.notif-fila td:first-child {
  border-left: 4px solid transparent;
}

.notif-error td:first-child {
  border-left-color: var(--danger-dark, #dc3545);
}

.notif-advertencia td:first-child {
  border-left-color: var(--warning, #ffc107);
}

.notif-informativo td:first-child {
  border-left-color: var(--info, #0dcaf0);
}

.notif-exito td:first-child {
  border-left-color: var(--success, #198754);
}

.notif-sistema td:first-child {
  border-left-color: var(--text-muted, #6c757d);
}

.notif-leida {
  opacity: 0.6;
}

.notif-seleccionada > td {
  background-color: color-mix(in srgb, var(--primary) 25%, transparent);
}

.notif-popover-item-accion {
  cursor: pointer;
}

.notif-modal-caja {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.notif-modal-detalle {
  max-height: 260px;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Popover de notificaciones (navbar) */
.notif-popover-posicion {
  position: relative;
}

.notif-campana {
  position: relative;
}

.notif-contador {
  position: absolute;
  top: -6px;
  right: -6px;
  background-color: var(--danger-dark, #dc3545);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1;
  border-radius: 999px;
  padding: 2px 4px;
  min-width: 16px;
}

.notif-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 340px;
  background-color: var(--bg-card, #fff);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 1050;
}

.notif-popover-cabecera {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.notif-popover-aviso,
.notif-popover-vacio {
  padding: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.notif-popover-item {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-light, rgba(0, 0, 0, 0.05));
}

.notif-popover-item:hover {
  background-color: var(--primary-light, rgba(255, 212, 184, 0.2));
}

.notif-popover-titulo {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dark);
}

.notif-popover-mensaje {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.notif-popover-hace {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.notif-popover-pie {
  padding: 0.5rem 0.75rem;
}

/* Tablas */
.table-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table {
  margin-bottom: 0;
  background-color: var(--bg-card);
}

.table thead th {
  background-color: var(--primary);
  color: var(--text-on-primary);
  border-bottom: none;
  padding: 1rem;
  font-weight: 600;
}

.table tbody tr {
  transition: var(--transition);
}

.table tbody tr:nth-child(even) {
  background-color: var(--bg-light);
}

.table tbody tr:hover {
  background-color: var(--primary-light);
}

.table td, .table th {
  padding: 0.875rem 1rem;
  border-color: var(--border-light);
}

/* Alertas */
.alert {
  border-radius: var(--radius-md);
  border-left-width: 4px;
  border-left-style: solid;
  box-shadow: var(--shadow-sm);
}

.alert-danger {
  background-color: var(--danger);
  border-left-color: var(--danger-dark);
  color: var(--text-dark);
}

.alert-success {
  background-color: var(--success);
  border-left-color: var(--success-dark);
  color: var(--text-dark);
}

.alert-warning {
  background-color: var(--warning);
  border-left-color: var(--warning-dark);
  color: var(--text-dark);
}

.alert-info {
  background-color: var(--info);
  border-left-color: var(--info-dark);
  color: var(--text-dark);
}

.alert-dismissible .btn-close {
  padding: 0.75rem 1rem;
}

/* Modales */
.modal-content {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.modal-header {
  border-bottom: 1px solid var(--border-light);
  padding: 1.25rem 1.5rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--border-light);
  padding: 1.25rem 1.5rem;
}

/* Paginación */
.pagination {
  margin-bottom: 0;
}

.page-link {
  border-radius: var(--radius-sm);
  color: var(--text-dark);
  border-color: var(--border-color);
  transition: var(--transition);
}

.page-link:hover {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: var(--text-dark);
}

.page-item.active .page-link {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--text-on-primary);
}

/* Input Group */
.input-group-text {
  background-color: var(--bg-light);
  border-color: var(--border-color);
  color: var(--text-dark);
}

/* Utilidades propias */
.glass-effect {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.8);
}

.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.text-warm {
  color: var(--text-dark);
}

.bg-warm {
  background: var(--bg-body);
}

/* Validaciones */
.valid.modified:not([type=checkbox]) {
  outline: 1px solid var(--success-dark);
}

.invalid {
  outline: 1px solid var(--danger-dark);
}

.validation-message {
  color: var(--danger-dark);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Blazor Error Boundary */
.blazor-error-boundary {
  background: linear-gradient(135deg, var(--danger-light) 0%, var(--bg-light) 100%);
  padding: 3rem 1rem 1rem 3.7rem;
  color: var(--text-dark);
  border-left: 4px solid var(--danger-dark);
  border-radius: var(--radius-lg);
  margin: 1rem;
  box-shadow: var(--shadow-md);
}

.blazor-error-boundary::after {
  content: "Se produjo un error en la aplicación";
  font-weight: 600;
}

/* Spinner */
.spinner-border {
  width: 1rem;
  height: 1rem;
  border-width: 0.15em;
}

/* Headers Focus */
h1:focus, h2:focus, h3:focus, h4:focus {
  outline: none;
}

/* Page Layout */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--bg-body);
}

.content {
  min-height: 400px;
  background-color: var(--bg-body);
  padding: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    padding: 0.5rem 1rem;
  }

  .navbar-brand {
    font-size: 1.25rem;
  }

  .card {
    border-radius: var(--radius-md);
  }

  .content {
    padding: 1rem;
  }

  .table-responsive {
    border-radius: var(--radius-sm);
  }
}

/* Form Floating */
.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--text-muted);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* ============================================================
   Design System — Formularios por secciones
   ============================================================ */

/* Zona = tarjeta-sección dentro de un formulario.
   Neutraliza el "hover-lift" global para que el formulario sea estable. */
.form-zone,
.form-zone:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

/* Cabecera de zona: fondo blanco + subrayado primary (más sobrio que el
   degradé naranja de las tarjetas de listado). */
.form-zone .card-header {
  background: var(--bg-card);
  border-bottom: 2px solid var(--primary);
  padding: 0.85rem 1.5rem;
}

.form-zone-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dark);
  margin: 0;
}

.form-zone-title i {
  color: var(--primary-dark);
  font-size: 1.05rem;
}

/* Subsección: bloque interno de una zona (1.1, 1.2, ...) */
.form-subsection + .form-subsection {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border-color);
}

.form-subsection-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Asterisco rojo de campo obligatorio */
.field-required {
  color: var(--danger-dark);
  font-weight: 700;
  margin-left: 2px;
}

/* Foto-avatar del residente */
.form-avatar {
  width: 128px;
  height: 128px;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 2px solid var(--border-color);
  background-color: var(--bg-light);
}

/* Bloque de Enfermería (panel inline) */
.enfermeria-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
}

.enfermeria-field .form-check-input {
  width: 1.15em;
  height: 1.15em;
  margin-top: 0.2em;
}

.enfermeria-field label {
  color: var(--text-dark);
  margin-right: auto;
}

.enfermeria-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ============================================
   Design System - Fechas (EntradaFecha)
   ============================================ */
.entrada-fecha {
  position: relative;
}

.calendario-fondo {
  position: fixed;
  inset: 0;
  z-index: 1035;
  background: transparent;
}

.calendario-popup {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 1040;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem;
  width: 290px;
}

.calendario-cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.calendario-titulo {
  font-weight: 600;
  text-transform: capitalize;
  color: var(--text-dark);
}

.calendario-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.calendario-semana {
  margin-bottom: 0.25rem;
}

.calendario-semana span {
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 2px 0;
}

.calendario-dia {
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  padding: 4px 0;
  font-size: 0.85rem;
  color: var(--text-dark);
  text-align: center;
}

.calendario-dia:hover {
  background: var(--border-color);
}

.calendario-dia.hoy {
  border: 1px solid var(--primary);
}

.calendario-dia.seleccionado {
  background: var(--primary);
  color: var(--text-on-primary);
  font-weight: 600;
}

/* ============================================
   Design System - Selector de habitacion
   ============================================ */
.selector-habitacion {
  position: relative;
}

.selector-habitacion-fondo {
  position: fixed;
  inset: 0;
  z-index: 1035;
  background: transparent;
}

.selector-habitacion-popup {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 1040;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem;
  width: min(420px, 100%);
}

.selector-habitacion-fila {
  display: flex;
  align-items: stretch;
  gap: 4px;
  margin-bottom: 6px;
}

.selector-habitacion-fila-centro {
  margin-bottom: 0.75rem;
}

.selector-habitacion-etiqueta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  font-weight: 700;
  color: var(--text-muted);
}

.selector-habitacion-celda {
  flex: 1 1 0;
  min-height: 34px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text-dark);
  font-size: 0.85rem;
  padding: 2px 4px;
}

.selector-habitacion-celda:hover {
  background: var(--border-color);
}

.selector-habitacion-celda.centro-dia {
  flex: 1 1 auto;
  width: 100%;
}

.selector-habitacion-celda.ocupada {
  opacity: 0.45;
}

.selector-habitacion-celda.seleccionada {
  background: var(--primary);
  border-color: var(--primary-dark);
  color: #fff;
  font-weight: 600;
}

.selector-habitacion-leyenda {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.selector-habitacion-celda.demo {
  flex: 0 0 26px;
  min-height: 20px;
  pointer-events: none;
}

/* ============================================
   Design System - Listados
   ============================================ */
.list-zone {
  width: 100%;
  margin-inline: auto;
}

.fila-clicable {
  cursor: pointer;
}

.fila-clicable:hover > td {
  background-color: color-mix(in srgb, var(--primary-light) 35%, transparent);
}

/* Estado vacío de listados */
.estado-vacio i {
  font-size: 3rem;
  color: var(--text-muted);
}

.estado-vacio .text-muted {
  margin-bottom: 0;
}

/* ============================================
   Calendario de turnos
   ============================================ */
.calendario-turnos {
  --turno-aux-dia-a: #c8e6c9;
  --turno-aux-dia-b: #81c784;
  --turno-aux-tarde-a: #bbdefb;
  --turno-aux-tarde-b: #64b5f6;
  --turno-cocina-a: #ffe0b2;
  --turno-cocina-b: #ffb74d;
  --turno-limpieza-a: #e1bee7;
  --turno-limpieza-b: #ba68c8;
  --turno-to-a: #b2dfdb;
  --turno-to-b: #4db6ac;
  --turno-reparto-a: #d7ccc8;
  --turno-reparto-b: #a1887f;
  --turno-vacaciones: #1565c0;
  --turno-festivo: #c62828;
  --turno-bm: #f9a825;
  --turno-libre: #bdbdbd;
  --turno-permiso: #26a69a;
  --turno-otro-a: #f5f5f5;
  --turno-otro-b: #e0e0e0;
}

.calendario-turnos .cal-sticky-col {
  position: sticky;
  left: 0;
  min-width: 220px;
  max-width: 220px;
  background: var(--bg-card);
  z-index: 10;
}

.calendario-turnos thead .cal-sticky-col {
  background: var(--bg-body);
  z-index: 12;
}

/* Spinner estándar para estados "Cargando..." */
.cargando {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
}

.cargando::before {
  content: "";
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary-dark);
  border-radius: 50%;
  animation: cargando-girar 0.8s linear infinite;
}

@keyframes cargando-girar {
  to { transform: rotate(360deg); }
}

/* ============================================
   Ficha de residente (demo F3)
   ============================================ */
.ficha-foto {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: #fff;
  font-weight: 700;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ficha-datos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.75rem;
  margin: 0;
}

.ficha-datos > div {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
}

.ficha-datos dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.1rem;
  font-weight: 600;
}

.ficha-datos dd {
  margin: 0;
  color: var(--text-dark);
  font-weight: 600;
}

/* ============================================
   Toasts (avisos efímeros)
   ============================================ */
.toast-zone {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: min(420px, calc(100vw - 2.5rem));
}

.toast-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: var(--text-dark);
  font-size: 0.9rem;
  font-weight: 500;
  animation: toast-entrada 0.25s ease;
}

.toast-item .btn-close {
  margin-left: auto;
  flex-shrink: 0;
}

.toast-exito {
  background: var(--bg-card);
  border-left: 4px solid var(--success-dark);
}

.toast-exito i {
  color: var(--success-dark);
}

.toast-advertencia {
  background: var(--warning);
  border-left: 4px solid var(--warning-dark);
}

.toast-advertencia i {
  color: var(--text-dark);
}

@keyframes toast-entrada {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Dashboard Home — tarjetas KPI
   ============================================ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.kpi-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  transition: var(--transition);
  border-top: 4px solid var(--kpi-acento, var(--primary));
}

.kpi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.kpi-card .kpi-icono {
  font-size: 1.5rem;
  color: var(--kpi-acento, var(--primary-dark));
  margin-bottom: 0.5rem;
}

.kpi-card .kpi-valor {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.1;
}

.kpi-card .kpi-detalle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
}

.kpi-card .kpi-etiqueta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.kpi-ocupacion { --kpi-acento: var(--primary); }
.kpi-ocupacion .kpi-icono { color: var(--primary-dark); }

.kpi-turnos { --kpi-acento: var(--info-dark); }
.kpi-turnos .kpi-icono { color: var(--info-dark); }

.kpi-pendientes { --kpi-acento: var(--warning-dark); }
.kpi-pendientes .kpi-icono { color: var(--warning-dark); }

.kpi-avisos { --kpi-acento: var(--danger-dark); }
.kpi-avisos .kpi-icono { color: var(--danger-dark); }

@media (max-width: 992px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Página de inicio (landing)
   ============================================ */
.landing-page {
  min-height: 100vh;
  background-color: var(--bg-body);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.landing-container {
  max-width: 1200px;
  width: 100%;
}

.landing-title {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.landing-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1.2rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  row-gap: 1.5rem;
}

.landing-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.landing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
}

.landing-card .card-icon {
  text-align: center;
  margin-bottom: 1rem;
}

.landing-card .card-icon svg {
  width: 64px;
  height: 64px;
  color: var(--primary);
}

.landing-card .card-icon i.bi {
  font-size: 3.5rem;
  color: var(--primary);
}

.landing-card .card-title {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.landing-card .card-description {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.landing-card.login-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  grid-row: span 1;
}

.landing-card.login-card .card-icon svg,
.landing-card.login-card .card-icon i.bi {
  color: white;
}

.landing-card.login-card .card-title {
  color: white;
}

.landing-card.login-card .card-description {
  color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

  .landing-title {
    font-size: 1.5rem;
  }
}

/* ============================================
   Login
   ============================================ */
.login-sample-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-light) 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  padding: 1rem;
}

.login-sample-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.12);
  border: none;
  overflow: hidden;
}

.login-sample-body {
  padding: 2.5rem;
}

.login-sample-icon {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.login-sample-title {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.login-sample-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.login-sample-label {
  display: block;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.login-sample-input {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-dark);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}

.login-sample-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--primary) 30%, transparent);
  outline: none;
}

.login-sample-input::placeholder {
  color: var(--text-muted);
}

.login-sample-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background-color: var(--primary);
  border: 1px solid var(--primary-dark);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.login-sample-btn:hover:not(:disabled) {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 40%, transparent);
}

.login-sample-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

.login-sample-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-sample-alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--danger) 0%, var(--bg-light) 100%);
  border-left: 4px solid var(--danger-dark);
  border-radius: 8px;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.login-sample-alert-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-dark);
  cursor: pointer;
  padding: 0 0.25rem;
  line-height: 1;
}

.login-sample-footer-text {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.login-sample-link {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 500;
}

.login-sample-link:hover {
  color: var(--primary);
  text-decoration: underline;
}

.login-sample-body .validation-message {
  color: var(--danger-dark);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .login-sample-body {
    padding: 1.5rem;
  }

  .login-sample-card {
    border-radius: 8px;
  }
}

/* ============================================
   Acceso denegado
   ============================================ */
.acceso-denegado svg {
  opacity: 0.3;
}

/* ============================================
   Calendario de registros (ficha residente)
   ============================================ */
.cal-registros {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.cal-reg-cabecera {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 4px;
}

.cal-reg-dia {
  min-height: 86px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-light);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cal-reg-vacio {
  border: none;
  background: transparent;
  min-height: 0;
}

.cal-reg-numero {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.cal-reg-hoy {
  border-color: var(--primary-dark);
  background: var(--primary-light);
}

.cal-reg-futuro {
  opacity: 0.45;
}

.cal-reg-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.cal-reg-btn {
  padding: 0.15rem 0.5rem;
  font-size: 0.72rem;
}

@media (max-width: 768px) {
  .cal-reg-dia {
    min-height: 64px;
    padding: 4px;
  }

  .cal-reg-btn {
    font-size: 0.62rem;
    padding: 0.1rem 0.35rem;
  }
}

/* ============================================
   Modo oscuro (data-bs-theme="dark")
   Botón ⚙️ del navbar (alternarTema) + overrides
   de la paleta sobre las variables existentes.
   ============================================ */
html[data-bs-theme="dark"] {
  color-scheme: dark;

  --primary: #E59A6A;
  --primary-light: #66412C;
  --primary-dark: #F2B48A;
  --primary-hover: #F2AB77;
  --secondary: #D9A26F;

  --bg-body: #211A15;
  --bg-light: #2A211B;
  --bg-card: #2E2520;
  --bg-navbar: rgba(38, 30, 25, 0.95);

  --success: #2E4A34;
  --success-dark: #7BC67B;
  --danger: #5A2B28;
  --danger-dark: #E57373;
  --danger-light: #4A2320;
  --warning: #4E3F1E;
  --warning-dark: #FFD54F;
  --info: #24424A;
  --info-dark: #81C7D4;

  --text-dark: #F3E9E1;
  --text-light: #D6C7BC;
  --text-muted: #A69387;
  --text-on-primary: #FFFFFF;

  --border-color: #48362B;
  --border-light: #3C2E25;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.5);

  background-color: var(--bg-body);
  color: var(--text-dark);
}

[data-bs-theme="dark"] body {
  background-color: var(--bg-body);
  color: var(--text-dark);
}

[data-bs-theme="dark"] .card {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}

[data-bs-theme="dark"] .modal-content {
  background-color: var(--bg-card);
  color: var(--text-dark);
}

[data-bs-theme="dark"] .table {
  color: var(--text-dark);
  border-color: var(--border-color);
}

[data-bs-theme="dark"] .table > :not(caption) > * > * {
  color: var(--text-dark);
  border-color: var(--border-color);
}

[data-bs-theme="dark"] .selector-habitacion-popup,
[data-bs-theme="dark"] .selector-habitacion-celda {
  background: var(--bg-card);
}

[data-bs-theme="dark"] .selector-habitacion-celda.ocupada {
  background: var(--danger-light);
}

[data-bs-theme="dark"] .landing-card,
[data-bs-theme="dark"] .login-sample-card {
  background: var(--bg-card);
}

[data-bs-theme="dark"] .dropdown-menu {
  background-color: var(--bg-card);
  border-color: var(--border-color);
}

[data-bs-theme="dark"] .dropdown-menu .dropdown-item {
  color: var(--text-light);
}

[data-bs-theme="dark"] .dropdown-menu .dropdown-item:hover,
[data-bs-theme="dark"] .dropdown-menu .dropdown-item:focus {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

[data-bs-theme="dark"] .dropdown-menu .dropdown-item.active {
  background-color: var(--primary);
  color: var(--text-on-primary);
}

[data-bs-theme="dark"] .dropdown-divider {
  border-color: var(--border-color);
}

/* Interruptor de tema (menú Configuración): luna ○—● sol */
.tema-switch-fila {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.35rem 0.5rem;
}

.tema-switch {
  cursor: pointer;
}

.tema-icono-oscuro {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.tema-icono-claro {
  color: var(--warning-dark);
  font-size: 0.95rem;
}

/* Botones de icono sin flechita de dropdown */
.sin-indicador::after {
  display: none;
}

/* Menú de notificaciones como dropdown Bootstrap */
.notif-menu {
  width: 340px;
  padding: 0;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.notif-menu .notif-popover-cabecera {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.notif-menu .notif-popover-pie {
  padding: 0.75rem;
  border-top: 1px solid var(--border-color);
}

[data-bs-theme="dark"] .notif-menu {
  background-color: var(--bg-card);
}