:root {
  --ad-color-primary: #2563eb;
  --ad-color-primary-600: #1d4ed8;
  --ad-color-success: #16a34a;
  --ad-color-warning: #d97706;
  --ad-color-danger: #dc2626;
  /* Texto de error en hints / mensajes inline (alineado con .ad-alert--err) */
  --ad-color-danger-text: #991b1b;
  --ad-color-bg: #f8fafc;
  --ad-color-surface: #ffffff;
  --ad-color-text: #0f172a;
  --ad-color-muted: #64748b;
  --ad-color-border: #e2e8f0;
  /* Borde al pasar el ratón en campos (más definido que --ad-color-border) */
  --ad-color-border-strong: #cbd5e1;

  --ad-font-heading: "Poppins", sans-serif;
  --ad-font-body: "Inter", sans-serif;

  --ad-radius-sm: 8px;
  --ad-radius-md: 10px;
  --ad-radius-lg: 14px;
  --ad-radius-xl: 18px;
  /* Chips, icon-btn, diálogos compactos */
  --ad-radius-compact: 12px;

  --ad-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --ad-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --ad-shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  /* Tarjetas y paneles elevados (panel empresa / auth) */
  --ad-shadow-elevated: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 28px rgba(15, 23, 42, 0.07);
  /* Hover en tarjetas estáticas (desktop; ver app-shell) */
  --ad-shadow-card-hover: 0 2px 8px rgba(15, 23, 42, 0.06), 0 14px 38px rgba(15, 23, 42, 0.09);
  /* Brillo superior en tarjetas claras (primera capa del box-shadow) */
  --ad-shadow-card-sheen: inset 0 1px 0 rgba(255, 255, 255, 0.92);
  /* Topbar con backdrop-filter (fallback sólido sin @supports) */
  --ad-topbar-glass-bg: rgba(255, 255, 255, 0.82);
  /* Cabeceras sticky (debe coincidir con thead) */
  --ad-table-header-bg: rgba(15, 23, 42, 0.035);
  --ad-table-sticky-head-shadow: 0 2px 8px rgba(15, 23, 42, 0.07);

  /* Toasts (ui-feedback) */
  --ad-toast-ok-border: rgba(22, 163, 74, 0.35);
  --ad-toast-ok-bg: rgba(22, 163, 74, 0.12);
  --ad-toast-ok-text: #166534;
  --ad-toast-err-border: rgba(220, 38, 38, 0.35);
  --ad-toast-err-bg: rgba(220, 38, 38, 0.1);
  --ad-toast-info-border: rgba(37, 99, 235, 0.3);
  --ad-toast-info-bg: rgba(37, 99, 235, 0.08);

  /* Alerta advertencia (ad-ui-refined) */
  --ad-alert-warn-border: rgba(217, 119, 6, 0.4);
  --ad-alert-warn-bg: rgba(217, 119, 6, 0.1);
  /* Barra superior plataforma / tenant */
  --ad-shadow-topbar: var(--ad-shadow-sm), 0 12px 32px rgba(15, 23, 42, 0.04);

  /* Modales nativos, diálogos kiosk, capas elevadas */
  --ad-shadow-modal: 0 1px 2px rgba(15, 23, 42, 0.06), 0 16px 48px rgba(15, 23, 42, 0.14);
  /* Pie de modal con acciones fijas */
  --ad-modal-footer-lift: 0 -10px 28px rgba(15, 23, 42, 0.05);
  --ad-shadow-toast: var(--ad-shadow-elevated);
  --ad-overlay-backdrop: rgba(15, 23, 42, 0.45);
  /* Con backdrop-filter el desenfoque compensa opacidad */
  --ad-overlay-backdrop-blur: rgba(15, 23, 42, 0.4);

  /* CTAs / nav activa con acento primario */
  --ad-shadow-primary-soft: 0 6px 14px rgba(37, 99, 235, 0.28);
  --ad-shadow-primary-md: 0 8px 20px rgba(37, 99, 235, 0.22);
  --ad-shadow-primary-lg: 0 12px 24px rgba(29, 78, 216, 0.24);

  /* Brillo superior en toolbars claros */
  --ad-shadow-inset-gloss: inset 0 1px 0 rgba(255, 255, 255, 0.65);

  /* Focus coherente con campos (app-shell) */
  --ad-focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.2);
  --ad-input-focus-inset: inset 0 1px 2px rgba(15, 23, 42, 0.04);
  /* Campos en reposo: ligera profundidad tipo “surface” */
  --ad-input-inset-idle: inset 0 1px 2px rgba(15, 23, 42, 0.034);

  /* Cabecera de página (panel) */
  --ad-shadow-page-head: var(--ad-shadow-card-sheen), 0 6px 36px rgba(15, 23, 42, 0.075);
  --ad-shadow-panel-soft: var(--ad-shadow-card-sheen), 0 4px 22px rgba(15, 23, 42, 0.065);
  --ad-page-title-highlight: rgba(255, 255, 255, 0.78);

  /* Separadores muy suaves (toolbars) */
  --ad-divider-faint: rgba(15, 23, 42, 0.065);
  --ad-focus-ring-danger: 0 0 0 3px rgba(220, 38, 38, 0.18);
  --ad-focus-ring-danger-strong: 0 0 0 3px rgba(220, 38, 38, 0.28);

  /* Filas de tabla (zebra + hover) */
  --ad-table-row-stripe-bg: rgba(15, 23, 42, 0.032);
  --ad-table-row-hover-bg: rgba(15, 23, 42, 0.062);

  --ad-gradient-primary: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
  --ad-gradient-primary-hover: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);

  --ad-space-1: 4px;
  --ad-space-2: 8px;
  --ad-space-3: 12px;
  --ad-space-4: 16px;
  --ad-space-5: 24px;
  --ad-space-6: 32px;

  /* Ancho máximo alineado cabecera + contenido (panel empresa, plataforma, tablas anchas) */
  --ad-shell-content-max: 1536px;
  /* Mismo padding horizontal en topbar y main (homologado en todas las pantallas) */
  --ad-shell-pad-inline: var(--ad-space-4);

  /* Pastillas listado plataforma (Empresas y planes): estilo único verde éxito */
  --ad-platform-pill-bg: rgba(22, 163, 74, 0.1);
  --ad-platform-pill-border: rgba(22, 163, 74, 0.45);
  --ad-platform-pill-text: #166534;

  /* Chips de estado / filtros (p. ej. usuarios activo-inactivo) */
  --ad-ui-pill-success-bg: rgba(22, 163, 74, 0.14);
  --ad-ui-pill-success-bg-hover: rgba(22, 163, 74, 0.2);
  --ad-ui-pill-success-border: rgba(22, 163, 74, 0.38);
  --ad-ui-pill-success-text-hover: #14532d;
  --ad-ui-pill-warning-bg: rgba(217, 119, 6, 0.12);
  --ad-ui-pill-warning-bg-hover: rgba(217, 119, 6, 0.18);
  --ad-ui-pill-warning-border: rgba(217, 119, 6, 0.35);
  --ad-ui-pill-warning-text: #b45309;
  --ad-ui-pill-warning-text-hover: #92400e;
  --ad-ui-pill-locked-bg: var(--ad-color-bg);

  /* Contorno focus visible (botones tipo chip) */
  --ad-focus-outline-color: rgba(37, 99, 235, 0.35);
  /* Subrayado de enlaces en .ad-page-lead */
  --ad-link-lead-underline: rgba(37, 99, 235, 0.45);
  /* Halo suave (segmentados, chips) */
  --ad-focus-halo-subtle: 0 0 0 3px rgba(37, 99, 235, 0.09);

  /* Código inline / monospace en vistas */
  --ad-code-inline-bg: var(--ad-color-bg);
  --ad-code-inline-border: var(--ad-color-border);

  /* Botones icono compactos (tablas, toolbars) */
  --ad-icon-btn-hover-border: rgba(37, 99, 235, 0.42);
  --ad-icon-btn-hover-bg: rgba(37, 99, 235, 0.08);

  /* Pie de gradiente auth/kiosk (fallback; ver @supports más abajo) */
  --ad-tint-primary-soft: #eef2ff;

  /* <select> nativo: flecha (color muted) */
  --ad-select-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");

  /* Icono decorativo listados vacíos (mask, relleno vía background-color en CSS) */
  --ad-empty-glyph-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M5.625 1.5c-1.036 0-1.875.84-1.875 1.875v17.25c0 1.035.84 1.875 1.875 1.875h12.75c1.035 0 1.875-.84 1.875-1.875V12h-9c-1.036 0-1.875-.84-1.875V1.5H5.625Zm6.75 0v7.875h7.875l-.007-7.007-2.132-2.132A1.875 1.875 0 0 0 17.143 1.5h-4.768Z'/%3E%3C/svg%3E");

  --ad-transition-fast: 180ms ease;
  /* Curva un poco más “producto” para capas y overlays */
  --ad-ease-out-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --ad-transition-smooth: 240ms var(--ad-ease-out-smooth);

  /* Fondo ambiente (solo body con panel empresa/plataforma; ver app-shell) */
  --ad-app-bg-atmosphere: radial-gradient(ellipse 130% 85% at 0% -25%, rgba(37, 99, 235, 0.075) 0%, transparent 52%),
    radial-gradient(ellipse 95% 70% at 100% 0%, rgba(100, 116, 139, 0.055) 0%, transparent 48%);

  /* Superposición suave (ghost, chips) */
  --ad-color-overlay-hover: rgba(15, 23, 42, 0.055);
  --ad-color-overlay-press: rgba(15, 23, 42, 0.08);

  /* Texto seleccionado (AA sobre fondo claro) */
  --ad-selection-bg: rgba(37, 99, 235, 0.2);
  --ad-selection-color: var(--ad-color-text);

  /* Marketing / landing (fondo oscuro) */
  --ad-landing-bg-deepest: #020617;
  --ad-landing-bg-mid: #0f172a;
  --ad-landing-slab: #1e293b;
  --ad-landing-card: #111827;
  --ad-landing-text: #e5e7eb;
  --ad-landing-muted: #94a3b8;
  --ad-landing-list: #cbd5e1;
  --ad-landing-border: #334155;
  --ad-landing-card-radius: var(--ad-radius-xl);
  --ad-landing-shadow-panel: 0 12px 40px rgba(0, 0, 0, 0.42), 0 1px 0 rgba(148, 163, 184, 0.08) inset;
  --ad-landing-shadow-widget: 0 4px 24px rgba(0, 0, 0, 0.28);
}

@supports (background: color-mix(in srgb, white, black)) {
  :root {
    --ad-tint-primary-soft: color-mix(in srgb, var(--ad-color-primary) 9%, var(--ad-color-bg));
  }
}

@media (min-width: 768px) {
  :root {
    --ad-shell-pad-inline: var(--ad-space-5);
  }
}

/* Móviles muy estrechos: un poco más de ancho útil sin romper dedos */
@media (max-width: 380px) {
  :root {
    --ad-shell-pad-inline: var(--ad-space-3);
  }
}

/*
 * Reserva hueco para la barra de scroll (evita saltos de layout al cambiar altura o con AJAX).
 * Solo se aplica si el motor soporta la propiedad (p. ej. Chromium, Firefox, Safari reciente).
 */
@supports (scrollbar-gutter: stable) {
  html {
    scrollbar-gutter: stable;
  }
}

body {
  margin: 0;
  background-color: var(--ad-color-bg);
  color: var(--ad-color-text);
  font-family: var(--ad-font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.ad-page--tenant,
body.ad-page--platform {
  background-image: var(--ad-app-bg-atmosphere);
  background-repeat: no-repeat;
  background-size: 100% min(560px, 58vh);
  background-position: top center;
}

::selection {
  background: var(--ad-selection-bg);
  color: var(--ad-selection-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ad-space-2);
  border: 1px solid transparent;
  border-radius: var(--ad-radius-md);
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform var(--ad-transition-fast),
    box-shadow var(--ad-transition-fast),
    background-color var(--ad-transition-fast),
    border-color var(--ad-transition-fast),
    color var(--ad-transition-fast),
    filter var(--ad-transition-fast);
}

/* Gana sobre .btn: el atributo HTML hidden quedaba anulado por display: inline-flex. */
.btn[hidden] {
  display: none !important;
}

.btn:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--ad-gradient-primary);
  color: #fff;
  box-shadow: var(--ad-shadow-sm);
  min-height: 44px;
}

.btn-primary:hover {
  background: var(--ad-gradient-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--ad-shadow-md);
}

.btn-secondary {
  background: var(--ad-color-surface);
  color: var(--ad-color-text);
  border-color: var(--ad-color-border);
  box-shadow: var(--ad-shadow-sm), var(--ad-shadow-card-sheen);
  min-height: 44px;
}

.btn-secondary:hover:not(:disabled) {
  background: var(--ad-color-bg);
  border-color: var(--ad-color-muted);
  box-shadow: var(--ad-shadow-md), var(--ad-shadow-card-sheen);
}

.btn-danger {
  background: var(--ad-color-danger);
  color: #fff;
  min-height: 44px;
}

.btn-danger:hover:not(:disabled) {
  filter: brightness(0.95);
  box-shadow: var(--ad-shadow-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--ad-color-primary);
}

.btn-ghost:hover:not(:disabled):not(.is-active) {
  background: var(--ad-color-overlay-hover);
}

.btn-ghost:active:not(:disabled):not(.is-active) {
  background: var(--ad-color-overlay-press);
}

@keyframes ad-btn-spin {
  to {
    transform: rotate(360deg);
  }
}

.btn.is-loading {
  position: relative;
  pointer-events: none;
  color: transparent !important;
}

.btn.is-loading:hover {
  transform: none;
}

.btn.is-loading::after {
  content: "";
  position: absolute;
  width: 1.1em;
  height: 1.1em;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  animation: ad-btn-spin 0.65s linear infinite;
}

.btn-primary.is-loading::after,
.btn-danger.is-loading::after {
  border-color: rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
}

.btn-secondary.is-loading::after,
.btn-ghost.is-loading::after {
  border-color: var(--ad-color-border);
  border-top-color: var(--ad-color-primary);
}

/* Respeto a preferencias de sistema: menos movimiento en botones y spinner */
@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }

  .btn:hover {
    transform: none !important;
  }

  .btn-primary:hover {
    box-shadow: var(--ad-shadow-sm);
  }

  .btn-secondary:hover {
    box-shadow: var(--ad-shadow-sm);
  }

  .btn.is-loading::after {
    animation: none;
    opacity: 0.75;
  }
}