/* ─── ECF Frande — Modales + Toasts ─── */

.ecf-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; animation: ecfFadeIn 0.15s ease;
}
body.ecf-modal-open { overflow: hidden; }

.ecf-modal {
  background: var(--ecf-bg-raised, #fff);
  color: var(--ecf-text, #0f172a);
  border: 1px solid var(--ecf-border, #e2e8f0);
  border-radius: var(--ecf-radius-lg, 12px);
  box-shadow: var(--ecf-shadow-lg, 0 10px 30px rgba(0,0,0,0.15));
  width: 100%; max-width: 480px;
  max-height: calc(100vh - 40px);
  display: flex; flex-direction: column;
  animation: ecfModalIn 0.18s ease;
  outline: none;
}

.ecf-modal-header {
  padding: 16px 20px 10px 20px;
  border-bottom: 1px solid var(--ecf-border-subtle, #f1f5f9);
}
.ecf-modal-title {
  margin: 0; font-size: 16px; font-weight: 700;
  color: var(--ecf-text, #0f172a);
}
.ecf-modal-error .ecf-modal-title,
.ecf-modal-danger .ecf-modal-title { color: var(--ecf-red, #dc2626); }
.ecf-modal-warning .ecf-modal-title { color: var(--ecf-yellow, #b45309); }
.ecf-modal-success .ecf-modal-title { color: var(--ecf-green, #059669); }

.ecf-modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  font-size: 14px;
  color: var(--ecf-text, #0f172a);
  line-height: 1.5;
}
.ecf-modal-msg { margin: 0 0 8px 0; white-space: pre-wrap; word-wrap: break-word; }
.ecf-modal-msg:last-child { margin-bottom: 0; }

.ecf-modal-input {
  width: 100%; margin-top: 8px;
  padding: 9px 12px; font-size: 14px;
  background: var(--ecf-bg, #f8fafc);
  color: var(--ecf-text, #0f172a);
  border: 1px solid var(--ecf-border, #e2e8f0);
  border-radius: var(--ecf-radius, 8px);
  font-family: inherit;
  box-sizing: border-box;
}
.ecf-modal-input:focus {
  outline: none;
  border-color: var(--ecf-primary, #3B9EFF);
  box-shadow: 0 0 0 3px var(--ecf-primary-glow, rgba(59,158,255,0.2));
}

.ecf-modal-footer {
  padding: 12px 20px 16px 20px;
  display: flex; justify-content: flex-end; gap: 8px;
  border-top: 1px solid var(--ecf-border-subtle, #f1f5f9);
}

.ecf-modal-btn {
  padding: 8px 16px; font-size: 13px; font-weight: 600;
  border-radius: var(--ecf-radius, 8px); cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
  transition: all 0.15s ease;
  min-width: 80px;
}
.ecf-modal-btn:focus-visible {
  outline: 2px solid var(--ecf-primary, #3B9EFF);
  outline-offset: 2px;
}
.ecf-modal-btn-default,
.ecf-modal-btn-secondary {
  background: var(--ecf-bg, #f1f5f9);
  color: var(--ecf-text, #0f172a);
  border-color: var(--ecf-border, #e2e8f0);
}
.ecf-modal-btn-default:hover,
.ecf-modal-btn-secondary:hover {
  background: var(--ecf-bg-sunken, #e2e8f0);
}
.ecf-modal-btn-primary {
  background: var(--ecf-primary, #3B9EFF);
  color: #fff;
}
.ecf-modal-btn-primary:hover {
  background: var(--ecf-primary-dark, #1d4ed8);
}
.ecf-modal-btn-danger {
  background: var(--ecf-red, #dc2626);
  color: #fff;
}
.ecf-modal-btn-danger:hover { filter: brightness(0.9); }

/* ─── Toasts ─── */
.ecf-toast-container {
  position: fixed; top: 72px; right: 20px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 10000;
  pointer-events: none;
}
.ecf-toast {
  pointer-events: auto;
  padding: 10px 16px; border-radius: var(--ecf-radius, 8px);
  background: var(--ecf-bg-raised, #fff);
  color: var(--ecf-text, #0f172a);
  border: 1px solid var(--ecf-border, #e2e8f0);
  border-left: 4px solid var(--ecf-primary, #3B9EFF);
  box-shadow: var(--ecf-shadow-lg, 0 4px 12px rgba(0,0,0,0.12));
  font-size: 13px; font-weight: 500;
  max-width: 360px;
  opacity: 0; transform: translateX(16px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.ecf-toast.show { opacity: 1; transform: translateX(0); }
.ecf-toast-success { border-left-color: var(--ecf-green, #10b981); }
.ecf-toast-error { border-left-color: var(--ecf-red, #ef4444); }
.ecf-toast-warning { border-left-color: var(--ecf-yellow, #f59e0b); }

@keyframes ecfFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes ecfModalIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Billing banners (Fase 3) ────────────────────────────────── */
.billing-alert {
  position: relative;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 44px 14px 18px;
  margin: 0 0 12px;
  border-radius: 8px;
  border-left: 4px solid;
  font-size: 14px; line-height: 1.5;
  background: var(--ecf-bg-raised, #fff);
}
.billing-alert + .billing-alert { margin-top: -4px; }
.billing-alert-msg { flex: 1; color: var(--ecf-text, #0f172a); }
.billing-alert-msg strong { font-weight: 600; }
.billing-alert-info     { border-left-color: var(--ecf-primary); background: var(--badge-blue-bg); }
.billing-alert-warning  { border-left-color: var(--ecf-yellow); background: var(--badge-yellow-bg); }
.billing-alert-danger   { border-left-color: var(--ecf-red); background: var(--badge-red-bg); }
.billing-alert-btn {
  display: inline-block; padding: 8px 16px;
  background: var(--ecf-primary-dark); color: #fff !important;
  border: 0; border-radius: 6px; cursor: pointer;
  font-weight: 600; font-size: 13px; text-decoration: none;
  white-space: nowrap;
}
.billing-alert-btn:hover { background: var(--ecf-gray-900); }
.billing-alert-close {
  position: absolute; top: 8px; right: 12px;
  background: transparent; border: 0; cursor: pointer;
  font-size: 22px; line-height: 1; color: var(--ecf-text-muted);
}
.billing-alert-close:hover { color: var(--ecf-text); }

/* ── Help system (Fase 5) ────────────────────────────────────── */
.help-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  background: transparent; border: 0; padding: 0;
  color: var(--ecf-primary, #3B9EFF); cursor: pointer;
  border-radius: 50%;
  vertical-align: middle;
  margin-left: 0;
}
.help-btn:hover { color: var(--ecf-text, #0F172A); background: var(--ecf-bg-elev, #F1F5F9); }
.help-btn:focus-visible { outline: 2px solid var(--ecf-primary); outline-offset: 2px; }

.help-modal-content { max-width: 540px; padding: 28px; }
.help-modal-title { color: var(--ecf-text, #0F172A); margin: 0 0 16px; font-size: 18px; }
.help-modal-body { line-height: 1.65; color: var(--ecf-text-secondary, #475569); font-size: 14px; }
.help-modal-body code { background: var(--ecf-bg-elev, #F1F5F9); padding: 2px 6px; border-radius: 3px; font-size: 13px; }
.help-legal-ref { margin-top: 18px; padding: 10px 14px; background: var(--ecf-bg-elev, #F8FAFC); border-left: 3px solid var(--ecf-primary, #3B9EFF); border-radius: 4px; }
.help-legal-ref small { color: var(--ecf-text-faint, #64748B); font-size: 12px; }
.help-modal-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--ecf-border, #E2E8F0);
}
.help-link { color: var(--ecf-primary, #3B9EFF); font-size: 13px; font-weight: 600; text-decoration: none; }
.help-link:hover { text-decoration: underline; }
.help-close-btn {
  background: var(--ecf-primary, #3B9EFF); color: #fff;
  border: 0; padding: 8px 18px; border-radius: 6px;
  font-weight: 600; font-size: 13px; cursor: pointer;
}
.help-close-btn:hover { background: #1E3A5F; }

/* ── ECF footer + disclaimers (Fase 6) ───────────────────────── */
.ecf-footer {
  margin-top: 48px;
  padding: 24px 16px;
  border-top: 1px solid var(--ecf-border, #E2E8F0);
  background: var(--ecf-bg, #fff);
  text-align: center;
}
.ecf-disclaimer {
  max-width: 720px; margin: 0 auto 8px;
  font-size: 12px; line-height: 1.6; color: var(--ecf-text-faint, #64748B);
}
.ecf-disclaimer a { color: var(--ecf-primary, #3B9EFF); text-decoration: none; }
.ecf-disclaimer a:hover { text-decoration: underline; }
.ecf-footer-meta {
  margin: 0;
  font-size: 11px; color: var(--ecf-text-faint, #94A3B8);
}
.ecf-footer-meta a { color: inherit; }

.ecf-notice {
  margin: 16px 0;
  padding: 14px 18px;
  background: var(--badge-yellow-bg);
  border-left: 3px solid var(--ecf-yellow);
  border-radius: 4px;
  font-size: 13px; line-height: 1.6;
  color: var(--badge-yellow-fg);
}
.ecf-notice strong { color: var(--badge-yellow-fg); }

/* [FIX 2026-05-07 UI-IMP-009] Spinner unificado para loading states.
   Reemplaza los ad-hoc "Cargando…" / spinners inline. */
.ecf-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--ecf-border, #e2e8f0);
  border-top-color: var(--ecf-primary, #1d6fd9);
  border-radius: 50%;
  animation: ecfSpin 0.8s linear infinite;
  vertical-align: middle;
}
.ecf-spinner-lg { width: 28px; height: 28px; border-width: 3px; }
.ecf-spinner-sm { width: 12px; height: 12px; border-width: 2px; }

.ecf-loading {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ecf-text-muted, #64748b);
  font-size: 14px;
}
.ecf-loading-block {
  display: flex; align-items: center; justify-content: center;
  gap: 12px;
  padding: 32px 16px;
  color: var(--ecf-text-muted, #64748b);
  font-size: 14px;
}

@keyframes ecfSpin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .ecf-spinner { animation-duration: 1.6s; }
}

/* [FIX 2026-05-07 UI-IMP-010] Empty state unificado con icono + descripción.
   Antes había 3 variantes (audit "p", documents card grande, otros texto plano). */
.ecf-empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px;
  padding: 48px 24px;
  text-align: center;
  color: var(--ecf-text-muted, #64748b);
}
.ecf-empty-state-icon {
  width: 48px; height: 48px;
  color: var(--ecf-text-faint, #94a3b8);
  opacity: 0.6;
}
.ecf-empty-state-title {
  font-size: 16px; font-weight: 600;
  color: var(--ecf-text-secondary, #334155);
  margin: 0;
}
.ecf-empty-state-desc {
  font-size: 14px; line-height: 1.5;
  max-width: 380px;
  margin: 0;
}
.ecf-empty-state-actions {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  margin-top: 8px;
}

/* [FIX 2026-05-07 UI-IMP-012] visually-hidden para captions accesibles. */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}