/* ══════════════════════════════════════════════════════════════
   MONEYNEST — PREMIUM UX SYSTEM
   Empty States · Toasts · Skeletons · Autosave · Microinteracciones
   Estilo: Linear / Revolut — suave, minimalista, refinado
   ══════════════════════════════════════════════════════════════ */

/* ─── DESIGN TOKENS EXTRA ─────────────────────────────────────── */
:root {
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth:    cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:       cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out:    cubic-bezier(0.4, 0, 0.6, 1);
  --transition-xs:  80ms;
  --transition-sm:  140ms;
  --transition-md:  220ms;
  --transition-lg:  380ms;
}

/* ═══════════════════════════════════════════════════════════════
   1. EMPTY STATES — ILUSTRADOS Y PREMIUM
   ═══════════════════════════════════════════════════════════════ */

.mn-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 52px 24px;
  text-align: center;
  animation: mnEmptyIn var(--transition-lg) var(--ease-out) both;
}

@keyframes mnEmptyIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Ilustración SVG animada */
.mn-empty-art {
  position: relative;
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.mn-empty-art-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid var(--border2);
  animation: mnRingPulse 3s var(--ease-in-out) infinite;
}
.mn-empty-art-ring:nth-child(2) {
  inset: -8px;
  border-color: var(--border);
  animation-delay: .4s;
  animation-duration: 3.4s;
}

@keyframes mnRingPulse {
  0%, 100% { opacity: .4; transform: scale(1); }
  50%       { opacity: .1; transform: scale(1.04); }
}

.mn-empty-art-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  filter: saturate(0.7);
  transition: filter var(--transition-md) var(--ease-smooth),
              transform var(--transition-md) var(--ease-spring);
}

.mn-empty:hover .mn-empty-art-icon {
  filter: saturate(1);
  transform: scale(1.08);
}

/* Dot decorativo */
.mn-empty-art-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
  animation: mnDotOrbit 4s linear infinite;
  top: -3px;
  left: calc(50% - 3px);
  transform-origin: 3px calc(43px);
}
.mn-empty-art-dot:nth-child(4) {
  background: var(--indigo);
  animation-delay: -1.33s;
}
.mn-empty-art-dot:nth-child(5) {
  background: var(--gold);
  animation-delay: -2.66s;
}

@keyframes mnDotOrbit {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.mn-empty-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.01em;
  margin-bottom: 6px;
  line-height: 1.3;
}

.mn-empty-sub {
  font-size: .82rem;
  color: var(--text2);
  max-width: 260px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.mn-empty-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 99px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,212,170,0.2);
  cursor: pointer;
  transition:
    background var(--transition-sm) var(--ease-smooth),
    border-color var(--transition-sm) var(--ease-smooth),
    transform var(--transition-sm) var(--ease-spring),
    box-shadow var(--transition-sm) var(--ease-smooth);
}
.mn-empty-cta:hover {
  background: rgba(0,212,170,0.18);
  border-color: rgba(0,212,170,0.35);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,212,170,0.15);
}
.mn-empty-cta:active {
  transform: translateY(0) scale(0.98);
}

/* Variante compacta (para cards) */
.mn-empty.compact {
  padding: 28px 16px;
}
.mn-empty.compact .mn-empty-art {
  width: 52px;
  height: 52px;
  margin-bottom: 12px;
}
.mn-empty.compact .mn-empty-art-icon { font-size: 1.4rem; }
.mn-empty.compact .mn-empty-art-ring { display: none; }
.mn-empty.compact .mn-empty-art-dot { display: none; }
.mn-empty.compact .mn-empty-title { font-size: .87rem; }
.mn-empty.compact .mn-empty-sub { font-size: .78rem; margin-bottom: 14px; }

/* ═══════════════════════════════════════════════════════════════
   2. TOAST SYSTEM — PREMIUM MULTI-TIPO
   ═══════════════════════════════════════════════════════════════ */

#mn-toasts {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

@media (max-width: 900px) {
  #mn-toasts { bottom: 86px; }
}

.mn-toast {
  pointer-events: all;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px 11px 12px;
  border-radius: 12px;
  font-size: .83rem;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border2);
  box-shadow: 0 8px 40px rgba(0,0,0,0.35), 0 2px 8px rgba(0,0,0,0.2);
  white-space: nowrap;
  max-width: min(360px, calc(100vw - 32px));
  position: relative;
  overflow: hidden;
  animation: mnToastIn 280ms var(--ease-spring) both;
  cursor: default;
  user-select: none;
}

.mn-toast.removing {
  animation: mnToastOut 220ms var(--ease-smooth) both;
}

@keyframes mnToastIn {
  from { opacity: 0; transform: translateY(14px) scale(0.92); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes mnToastOut {
  from { opacity: 1; transform: translateY(0) scale(1); max-height: 60px; }
  to   { opacity: 0; transform: translateY(-8px) scale(0.94); max-height: 0; padding-top:0; padding-bottom:0; margin:0; }
}

/* Barra de progreso */
.mn-toast-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  border-radius: 0 0 12px 12px;
  background: currentColor;
  opacity: .35;
  animation: mnToastBar var(--duration, 3s) linear both;
  transform-origin: left;
}
@keyframes mnToastBar {
  from { transform: scaleX(1); }
  to   { transform: scaleX(0); }
}

/* Icono del toast */
.mn-toast-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  background: var(--icon-bg, var(--border));
}

.mn-toast-text {
  flex: 1;
  min-width: 0;
}

.mn-toast-close {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  color: var(--text3);
  cursor: pointer;
  transition: background var(--transition-xs), color var(--transition-xs);
  flex-shrink: 0;
}
.mn-toast-close:hover {
  background: var(--border);
  color: var(--text2);
}

/* Tipos */
.mn-toast.success {
  --icon-bg: rgba(0,212,170,0.12);
  color: var(--text);
  border-color: rgba(0,212,170,0.2);
}
.mn-toast.success .mn-toast-bar { background: var(--accent); opacity: .5; }

.mn-toast.error {
  --icon-bg: rgba(244,63,94,0.12);
  border-color: rgba(244,63,94,0.2);
}
.mn-toast.error .mn-toast-bar { background: var(--red); opacity: .5; }

.mn-toast.warning {
  --icon-bg: rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.2);
}
.mn-toast.warning .mn-toast-bar { background: var(--gold); opacity: .5; }

.mn-toast.info {
  --icon-bg: rgba(99,102,241,0.12);
  border-color: rgba(99,102,241,0.2);
}
.mn-toast.info .mn-toast-bar { background: var(--indigo); opacity: .5; }

/* ═══════════════════════════════════════════════════════════════
   3. SKELETON LOADERS — REFINADOS
   ═══════════════════════════════════════════════════════════════ */

@keyframes mnShimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.mn-skeleton {
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    var(--border)   0%,
    var(--border2)  40%,
    var(--border2)  60%,
    var(--border)   100%
  );
  background-size: 800px 100%;
  animation: mnShimmer 1.6s ease-in-out infinite;
}

/* Variantes */
.mn-skeleton-text      { height: 12px; border-radius: 4px; }
.mn-skeleton-text.lg   { height: 16px; }
.mn-skeleton-text.xl   { height: 22px; }
.mn-skeleton-rect      { border-radius: var(--radius-sm); }
.mn-skeleton-circle    { border-radius: 50%; }
.mn-skeleton-btn       { height: 32px; border-radius: 8px; width: 80px; }

/* Layout de card skeleton */
.mn-skeleton-card {
  padding: 16px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mn-skeleton-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ═══════════════════════════════════════════════════════════════
   4. AUTOSAVE INDICATOR — VISIBLE Y ELEGANTE
   ═══════════════════════════════════════════════════════════════ */

#mn-autosave {
  position: fixed;
  top: 14px;
  right: 18px;
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--text3);
  background: transparent;
  border: 1px solid transparent;
  transition:
    color var(--transition-md) var(--ease-smooth),
    background var(--transition-md) var(--ease-smooth),
    border-color var(--transition-md) var(--ease-smooth),
    opacity var(--transition-md) var(--ease-smooth);
  opacity: 0;
  pointer-events: none;
}

#mn-autosave.saving {
  opacity: 1;
  color: var(--text2);
  background: var(--border);
  border-color: var(--border2);
}

#mn-autosave.saved {
  opacity: 1;
  color: var(--accent);
  background: var(--accent-dim);
  border-color: rgba(0,212,170,0.2);
  animation: mnSavedFade 2.5s var(--ease-smooth) forwards;
  animation-delay: .5s;
}

@keyframes mnSavedFade {
  0%   { opacity: 1; }
  70%  { opacity: 1; }
  100% { opacity: 0; }
}

.mn-autosave-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

#mn-autosave.saving .mn-autosave-dot {
  animation: mnDotBlink .8s ease-in-out infinite;
}

@keyframes mnDotBlink {
  0%, 100% { opacity: .3; }
  50%       { opacity: 1; }
}

/* En móvil — autosave badge en esquina inferior sin tapar contenido */
@media (max-width: 900px) {
  #mn-autosave {
    top: auto;
    bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    right: 12px;
    font-size: .68rem;
    padding: 3px 8px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   5. HOVER STATES ELEGANTES EN ELEMENTOS INTERACTIVOS
   ═══════════════════════════════════════════════════════════════ */

/* Cards con hover */
.mn-hover-card {
  transition:
    border-color var(--transition-sm) var(--ease-smooth),
    box-shadow var(--transition-sm) var(--ease-smooth),
    transform var(--transition-sm) var(--ease-spring);
}
.mn-hover-card:hover {
  border-color: var(--border2) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transform: translateY(-1px);
}
.mn-hover-card:active {
  transform: translateY(0) scale(0.99);
  box-shadow: none;
}

/* Filas de lista */
.mn-hover-row {
  transition:
    background var(--transition-xs) var(--ease-smooth),
    padding-left var(--transition-sm) var(--ease-smooth);
  border-radius: var(--radius-sm);
}
.mn-hover-row:hover {
  background: var(--border) !important;
}

/* Botones icon-only */
.mn-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  color: var(--text3);
  cursor: pointer;
  transition:
    background var(--transition-xs),
    color var(--transition-xs),
    transform var(--transition-xs) var(--ease-spring);
}
.mn-icon-btn:hover {
  background: var(--border);
  color: var(--text);
  transform: scale(1.1);
}
.mn-icon-btn:active {
  transform: scale(0.92);
}

/* ═══════════════════════════════════════════════════════════════
   6. MICROINTERACCIONES — BOTONES Y ACCIONES
   ═══════════════════════════════════════════════════════════════ */

/* Ripple effect al click */
.mn-ripple {
  position: relative;
  overflow: hidden;
}
.mn-ripple::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transform: scale(0);
  animation: mnRipple 400ms var(--ease-out);
  pointer-events: none;
  width: 200%;
  padding-bottom: 200%;
  top: -50%;
  left: -50%;
}
@keyframes mnRipple {
  to { transform: scale(1); opacity: 0; }
}

/* Número contando animado */
@keyframes mnCountUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.mn-count-anim {
  animation: mnCountUp 300ms var(--ease-spring) both;
}

/* Entrada de items en lista */
@keyframes mnListItemIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}
.mn-list-item {
  animation: mnListItemIn 200ms var(--ease-out) both;
}
.mn-list-item:nth-child(1)  { animation-delay: 0ms; }
.mn-list-item:nth-child(2)  { animation-delay: 40ms; }
.mn-list-item:nth-child(3)  { animation-delay: 80ms; }
.mn-list-item:nth-child(4)  { animation-delay: 120ms; }
.mn-list-item:nth-child(5)  { animation-delay: 160ms; }
.mn-list-item:nth-child(6)  { animation-delay: 200ms; }
.mn-list-item:nth-child(n+7){ animation-delay: 240ms; }

/* Pill KPI con hover */
.mn-kpi-pill {
  transition:
    background var(--transition-sm) var(--ease-smooth),
    border-color var(--transition-sm) var(--ease-smooth);
}
.mn-kpi-pill:hover {
  background: var(--border2);
}

/* Checkbox style premium */
.mn-check-anim {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 1.5px solid var(--border2);
  transition:
    border-color var(--transition-sm),
    background var(--transition-sm),
    transform var(--transition-sm) var(--ease-spring);
}
.mn-check-anim.checked {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.1);
}
.mn-check-anim.checked::after {
  content: '✓';
  font-size: .7rem;
  color: #000;
  font-weight: 800;
}

/* ═══════════════════════════════════════════════════════════════
   7. INDICADOR DE CARGA DE PÁGINA — PAGE SKELETON
   ═══════════════════════════════════════════════════════════════ */

.mn-page-skeleton {
  animation: mnEmptyIn 200ms var(--ease-out) both;
}

.mn-page-skeleton .mn-skel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

/* ═══════════════════════════════════════════════════════════════
   8. ESTADOS DE ÉXITO INLINE — CONFIRMACIONES
   ═══════════════════════════════════════════════════════════════ */

.mn-success-flash {
  animation: mnSuccessFlash 600ms var(--ease-out) both;
}
@keyframes mnSuccessFlash {
  0%   { box-shadow: 0 0 0 0 rgba(0,212,170,0.4); }
  50%  { box-shadow: 0 0 0 6px rgba(0,212,170,0.1); }
  100% { box-shadow: 0 0 0 0 rgba(0,212,170,0); }
}

/* ═══════════════════════════════════════════════════════════════
   9. INPUT FOCUS STATES — REFINADOS
   ═══════════════════════════════════════════════════════════════ */

/* Override del input base con transición más suave */
input, select, textarea {
  transition:
    border-color var(--transition-sm) var(--ease-smooth),
    box-shadow var(--transition-sm) var(--ease-smooth),
    background var(--transition-sm) var(--ease-smooth) !important;
}

/* ═══════════════════════════════════════════════════════════════
   10. BADGE DE NOVEDAD — "NEW" PILL
   ═══════════════════════════════════════════════════════════════ */

.mn-badge-new {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 99px;
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0,212,170,0.2);
  vertical-align: middle;
  margin-left: 6px;
  animation: mnBadgePop 400ms var(--ease-spring) both;
}
@keyframes mnBadgePop {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}

/* ═══════════════════════════════════════════════════════════════
   11. GLOBAL TRANSITIONS — MEJORA GLOBAL
   ═══════════════════════════════════════════════════════════════ */

/* Mejorar transición de los botones existentes */
.btn {
  transition:
    background var(--transition-sm) var(--ease-smooth),
    border-color var(--transition-sm) var(--ease-smooth),
    color var(--transition-sm) var(--ease-smooth),
    box-shadow var(--transition-sm) var(--ease-smooth),
    transform var(--transition-xs) var(--ease-spring) !important;
}
.btn:hover:not(:disabled) {
  transform: translateY(-1px) !important;
}
.btn:active:not(:disabled) {
  transform: translateY(0) scale(0.98) !important;
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 4px 16px rgba(0,212,170,0.2) !important;
}

/* Cards: mejorar transición global */
.card {
  transition:
    border-color var(--transition-sm) var(--ease-smooth),
    box-shadow var(--transition-sm) var(--ease-smooth) !important;
}

/* Nav items */
.nav-item {
  transition:
    background var(--transition-xs) var(--ease-smooth),
    color var(--transition-xs) var(--ease-smooth) !important;
}

/* ═══════════════════════════════════════════════════════════════
   12. EMPTY STATE PRESETS — ESPECÍFICOS POR SECCIÓN
   ═══════════════════════════════════════════════════════════════ */

/* Sobreescribe el .empty original para mejorar look */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: var(--text2);
  animation: mnEmptyIn 300ms var(--ease-out) both;
}

.empty-icon {
  font-size: 2rem;
  margin-bottom: 10px;
  opacity: .6;
  transition: opacity var(--transition-md), transform var(--transition-md) var(--ease-spring);
}
.empty:hover .empty-icon {
  opacity: .85;
  transform: scale(1.12) rotate(-5deg);
}

.empty-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 5px;
}
.empty-sub {
  font-size: .79rem;
  max-width: 260px;
  margin: 0 auto 14px;
  line-height: 1.55;
}

/* ─── LIGHT MODE OVERRIDES ────────────────────────────────────── */
[data-theme="light"] .toast {
  background: var(--card, #fff);
  border-color: var(--border2, rgba(0,0,0,.12));
  color: var(--text, #0F172A);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
}
[data-theme="light"] .skeleton {
  background: linear-gradient(90deg, var(--bg2,#E2E8F0) 25%, rgba(0,0,0,.04) 50%, var(--bg2,#E2E8F0) 75%);
}
[data-theme="light"] .autosave-banner {
  background: var(--card2, #F8FAFC);
  border-color: var(--border, rgba(0,0,0,.08));
  color: var(--text2, #475569);
}
/* Ensure text in empty states is readable in light mode */
[data-theme="light"] .empty-title { color: var(--text, #0F172A); }
[data-theme="light"] .empty-sub   { color: var(--text2, #475569); }