/**
 * Overrides de tokens para tema oscuro (panel empresa / plataforma).
 * Activación: html[data-ad-theme="dark"]
 */
html[data-ad-theme="dark"] {
  --ad-color-bg: #0f172a;
  --ad-color-surface: #1e293b;
  --ad-color-text: #f1f5f9;
  --ad-color-muted: #94a3b8;
  --ad-color-border: #334155;
  --ad-color-border-strong: #475569;
  --ad-color-danger-text: #fecaca;

  --ad-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --ad-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --ad-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --ad-shadow-elevated: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 28px rgba(0, 0, 0, 0.28);
  --ad-shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.25), 0 14px 38px rgba(0, 0, 0, 0.32);
  --ad-shadow-card-sheen: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --ad-topbar-glass-bg: rgba(15, 23, 42, 0.88);
  --ad-table-header-bg: rgba(248, 250, 252, 0.06);
  --ad-table-sticky-head-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  --ad-table-row-stripe-bg: rgba(248, 250, 252, 0.04);
  --ad-table-row-hover-bg: rgba(248, 250, 252, 0.08);

  --ad-toast-ok-text: #bbf7d0;
  --ad-toast-ok-bg: rgba(22, 163, 74, 0.18);
  --ad-toast-ok-border: rgba(34, 197, 94, 0.35);
  --ad-toast-err-bg: rgba(220, 38, 38, 0.15);
  --ad-toast-info-bg: rgba(59, 130, 246, 0.12);
  --ad-toast-info-border: rgba(96, 165, 250, 0.35);

  --ad-alert-warn-bg: rgba(217, 119, 6, 0.15);
  --ad-alert-warn-border: rgba(251, 191, 36, 0.35);
  --ad-shadow-topbar: var(--ad-shadow-sm), 0 12px 32px rgba(0, 0, 0, 0.25);
  --ad-shadow-modal: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 48px rgba(0, 0, 0, 0.45);
  --ad-modal-footer-lift: 0 -10px 28px rgba(0, 0, 0, 0.2);
  --ad-overlay-backdrop: rgba(0, 0, 0, 0.55);
  --ad-overlay-backdrop-blur: rgba(0, 0, 0, 0.5);

  --ad-focus-ring: 0 0 0 3px rgba(96, 165, 250, 0.25);
  --ad-input-focus-inset: inset 0 1px 2px rgba(0, 0, 0, 0.2);
  --ad-input-inset-idle: inset 0 1px 2px rgba(0, 0, 0, 0.15);

  --ad-shadow-page-head: var(--ad-shadow-card-sheen), 0 6px 36px rgba(0, 0, 0, 0.25);
  --ad-shadow-panel-soft: var(--ad-shadow-card-sheen), 0 4px 22px rgba(0, 0, 0, 0.22);
  --ad-page-title-highlight: rgba(255, 255, 255, 0.12);

  --ad-divider-faint: rgba(248, 250, 252, 0.08);
  --ad-code-inline-bg: rgba(15, 23, 42, 0.6);
  --ad-code-inline-border: var(--ad-color-border);

  --ad-color-overlay-hover: rgba(248, 250, 252, 0.06);
  --ad-color-overlay-press: rgba(248, 250, 252, 0.1);

  --ad-selection-bg: rgba(59, 130, 246, 0.35);
  --ad-selection-color: var(--ad-color-text);

  --ad-app-bg-atmosphere: radial-gradient(ellipse 130% 85% at 0% -25%, rgba(59, 130, 246, 0.12) 0%, transparent 52%),
    radial-gradient(ellipse 95% 70% at 100% 0%, rgba(148, 163, 184, 0.08) 0%, transparent 48%);

  --ad-link-lead-underline: rgba(96, 165, 250, 0.5);
  --ad-focus-outline-color: rgba(96, 165, 250, 0.45);
  --ad-focus-halo-subtle: 0 0 0 3px rgba(96, 165, 250, 0.12);
  --ad-icon-btn-hover-border: rgba(96, 165, 250, 0.45);
  --ad-icon-btn-hover-bg: rgba(59, 130, 246, 0.12);

  --ad-ui-pill-locked-bg: var(--ad-color-surface);

  --ad-platform-pill-bg: rgba(22, 163, 74, 0.18);
  --ad-platform-pill-border: rgba(34, 197, 94, 0.4);
  --ad-platform-pill-text: #bbf7d0;

  --ad-ui-pill-success-bg: rgba(22, 163, 74, 0.2);
  --ad-ui-pill-success-bg-hover: rgba(22, 163, 74, 0.28);
  --ad-ui-pill-success-border: rgba(34, 197, 94, 0.42);
  --ad-ui-pill-success-text-hover: #dcfce7;
  --ad-ui-pill-warning-bg: rgba(217, 119, 6, 0.18);
  --ad-ui-pill-warning-bg-hover: rgba(217, 119, 6, 0.26);
  --ad-ui-pill-warning-border: rgba(251, 191, 36, 0.4);
  --ad-ui-pill-warning-text: #fde68a;
  --ad-ui-pill-warning-text-hover: #fef3c7;

  --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='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");

  /* auth-layout: pie de gradiente legible en oscuro */
  --ad-tint-primary-soft: #1e293b;
}

html[data-ad-theme="dark"] .btn-secondary {
  box-shadow: var(--ad-shadow-sm), var(--ad-shadow-card-sheen);
}

html[data-ad-theme="dark"] .btn-secondary:hover:not(:disabled) {
  box-shadow: var(--ad-shadow-md), var(--ad-shadow-card-sheen);
}

html[data-ad-theme="dark"] .btn-ghost:hover:not(:disabled):not(.is-active) {
  background: var(--ad-color-overlay-hover);
}

/* Pantallas de autenticación (login, recuperación, 2FA) */
html[data-ad-theme="dark"] .auth-page {
  background:
    radial-gradient(900px 600px at 50% 0%, rgba(59, 130, 246, 0.2) 0%, transparent 55%),
    linear-gradient(180deg, var(--ad-color-bg) 0%, var(--ad-tint-primary-soft) 100%);
}