/* ============================================================
   LIBRETA · styles.css — base, tipografía y layout
   Concepto: libreta de ahorros de banco antiguo. Papel cálido,
   tinta verde-negra, números de máquina de escribir, timbres.
   ============================================================ */

:root {
  color-scheme: light;
  --paper: #f2ecdd;
  --paper-2: #faf6ea;
  --card: #fffdf4;
  --card-suave: #eef3e6;   /* gradiente de tarjetas destacadas */
  --card-banco: #f0ead8;   /* gradiente de la tarjeta del banco */
  --ink: #22302a;
  --ink-soft: #5c6660;
  --line: rgba(34, 48, 42, 0.18);
  --line-suave: rgba(34, 48, 42, 0.09);
  --trama: rgba(34, 48, 42, 0.055);  /* puntitos del papel */
  --sombra-rgb: 34, 48, 42;          /* base de todas las sombras */
  --input-focus: #ffffff;

  --verde: #2f7d5b;
  --verde-fuerte: #1e5f44;
  --rojo: #be3d2a;
  --mostaza: #b07c20;
  --azul: #33567f;

  --sombra: 6px 6px 0 rgba(34, 48, 42, 0.08);
  --radio: 10px;

  --f-display: "Fraunces", Georgia, "Times New Roman", serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  /* Motion tokens — sistema unificado de animación */
  --dur-xs: 120ms;
  --dur-sm: 180ms;
  --dur-md: 240ms;
  --dur-lg: 360ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in: cubic-bezier(0.55, 0, 1, 0.45);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Modo oscuro: tinta clara sobre papel verde-noche ----------
   Misma libreta, leída de noche con lámpara. Tonos desaturados (no
   inversión), contraste AA verificado sobre --card en cada color. */
[data-tema="oscuro"] {
  color-scheme: dark;
  --paper: #141a17;
  --paper-2: #1a221e;
  --card: #202a25;
  --card-suave: #243029;
  --card-banco: #25302a;
  --ink: #e9e4d3;
  --ink-soft: #a8b0a4;
  --line: rgba(233, 228, 211, 0.25);
  --line-suave: rgba(233, 228, 211, 0.12);
  --trama: rgba(233, 228, 211, 0.045);
  --sombra-rgb: 0, 0, 0;
  --input-focus: #2a362f;

  --verde: #58b189;
  --verde-fuerte: #7fcfa6;
  --rojo: #e8836c;
  --mostaza: #d9aa54;
  --azul: #8db0d8;

  --sombra: 6px 6px 0 rgba(0, 0, 0, 0.4);
}

/* ---------- Perfil Chabelita 🌸: libreta rosada ----------
   Misma libreta de banco antiguo, pero encuadernada en rosa:
   papel rosado empolvado, tinta vino, sellos frambuesa.
   Se activa al entrar con su correo (data-perfil="isa"). */
[data-perfil="isa"] {
  color-scheme: light;
  --paper: #f7e9ee;
  --paper-2: #fdf3f6;
  --card: #fffafc;
  --card-suave: #fae8f0;
  --card-banco: #f6e2ea;
  --ink: #41222f;
  --ink-soft: #84606f;
  --line: rgba(65, 34, 47, 0.2);
  --line-suave: rgba(65, 34, 47, 0.1);
  --trama: rgba(65, 34, 47, 0.05);
  --sombra-rgb: 65, 34, 47;
  --input-focus: #ffffff;

  --verde: #ad3b72;          /* frambuesa: el "positivo" de su libreta */
  --verde-fuerte: #8c2c5b;
  --rojo: #c2453b;
  --mostaza: #bd813a;
  --azul: #8a5fa8;

  --sombra: 6px 6px 0 rgba(65, 34, 47, 0.08);
}

/* Chabelita de noche: papel vino-noche, tinta rosa empolvada */
[data-tema="oscuro"][data-perfil="isa"] {
  color-scheme: dark;
  --paper: #1f1318;
  --paper-2: #281a21;
  --card: #2f1f28;
  --card-suave: #36242f;
  --card-banco: #33212b;
  --ink: #f3e2ea;
  --ink-soft: #c3a0b1;
  --line: rgba(243, 226, 234, 0.25);
  --line-suave: rgba(243, 226, 234, 0.12);
  --trama: rgba(243, 226, 234, 0.045);
  --sombra-rgb: 0, 0, 0;
  --input-focus: #3a2731;

  --verde: #e387b5;
  --verde-fuerte: #f0a8cb;
  --rojo: #ee8a85;
  --mostaza: #ddab64;
  --azul: #c79ade;

  --sombra: 6px 6px 0 rgba(0, 0, 0, 0.4);
}

/* ---------- Transiciones de la edición chabelita ----------
   Entrada en cascada de las tarjetas, brillos y micro-rebotes.
   Todo con transform/opacity (acelerado por GPU) y desactivado
   si el sistema pide menos movimiento. */
@keyframes isaVistaIn {
  from { opacity: 0; transform: translateY(16px) scale(0.985); }
}
@keyframes isaBrillo {
  50% { background-position: 100% 0; }
}
[data-perfil="isa"] #view > * {
  animation: isaVistaIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
[data-perfil="isa"] #view > *:nth-child(2) { animation-delay: 0.06s; }
[data-perfil="isa"] #view > *:nth-child(3) { animation-delay: 0.12s; }
[data-perfil="isa"] #view > *:nth-child(4) { animation-delay: 0.18s; }
[data-perfil="isa"] #view > *:nth-child(5) { animation-delay: 0.24s; }
[data-perfil="isa"] #view > *:nth-child(6) { animation-delay: 0.30s; }
[data-perfil="isa"] #view > *:nth-child(7) { animation-delay: 0.36s; }
[data-perfil="isa"] #view > *:nth-child(n+8) { animation-delay: 0.42s; }

[data-perfil="isa"] .card {
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease;
}
[data-perfil="isa"] .card:hover {
  transform: translateY(-3px);
  box-shadow: 9px 11px 0 rgba(var(--sombra-rgb), 0.12);
}
[data-perfil="isa"] .btn,
[data-perfil="isa"] .stamp-btn {
  transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.18s ease, color 0.18s ease;
}
[data-perfil="isa"] .btn:hover { transform: translateY(-2px); }
[data-perfil="isa"] .stamp-btn:active { transform: scale(0.9) rotate(-3deg); }
[data-perfil="isa"] .nav-tab { transition: transform 0.2s ease, background-color 0.2s ease; }
[data-perfil="isa"] .nav-tab:hover { transform: translateX(4px); }
[data-perfil="isa"] .masthead h1 em {
  background: linear-gradient(90deg, var(--verde-fuerte), #d36fa6, var(--verde-fuerte));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: isaBrillo 6s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  [data-perfil="isa"] #view > *,
  [data-perfil="isa"] .masthead h1 em { animation: none; }
  [data-perfil="isa"] .card,
  [data-perfil="isa"] .btn,
  [data-perfil="isa"] .stamp-btn,
  [data-perfil="isa"] .nav-tab { transition: none; }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--f-body);
  /* 16px en móvil evita zoom automático en iOS al hacer focus en inputs.
     En desktop bajamos a 15px que era el tamaño anterior. */
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--paper);
  /* trama de puntos sutil, como papel de libreta contable */
  background-image: radial-gradient(var(--trama) 1px, transparent 1px);
  background-size: 22px 22px;
  min-height: 100vh;
  transition: background-color 0.25s ease, color 0.25s ease;
  -webkit-text-size-adjust: 100%;
}
@media (min-width: 980px) {
  body { font-size: 15px; }
}

/* grano de papel encima de todo, muy tenue */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--azul); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--verde-fuerte); }

h1, h2, h3 { font-family: var(--f-display); font-weight: 600; margin: 0; }

.num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }

/* ---------- Estructura general ---------- */
.shell {
  display: grid;
  grid-template-columns: 232px 1fr;
  max-width: 1280px;
  margin: 0 auto;
  min-height: 100vh;
}

main {
  padding: 1.6rem 2rem 4rem;
  min-width: 0;
}

/* ---------- Cabecera tipo documento bancario ---------- */
.masthead {
  border-top: 3px double var(--ink);
  border-bottom: 3px double var(--ink);
  padding: 0.9rem 0.2rem;
  margin-bottom: 1.6rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.masthead h1 {
  font-size: 1.5rem;
  letter-spacing: 0.01em;
}
.masthead h1 em { font-style: italic; color: var(--verde-fuerte); }
.masthead .folio {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  text-align: right;
}

/* ---------- Sidebar: lomo de la libreta ---------- */
.sidebar {
  border-right: 1.5px solid var(--ink);
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0 34px,
      var(--line-suave) 34px 35px
    ),
    var(--paper-2);
  padding: 1.6rem 0 1.6rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.marca {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding-right: 1.2rem;
  margin-bottom: 1.4rem;
}
.marca img { width: 46px; height: 46px; }
.marca .marca-texto strong {
  font-family: var(--f-display);
  font-size: 1.02rem;
  display: block;
  line-height: 1.15;
}
.marca .marca-texto small {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

/* pestañas índice que sobresalen del lomo */
.nav-tab {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.9rem;
  margin-right: 1.2rem;
  border: 1.5px solid transparent;
  border-radius: 8px 0 0 8px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  transition: transform 0.12s ease, background 0.12s ease;
}
.nav-tab .nav-num {
  font-size: 0.68rem;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 0.3em;
}
.nav-tab .nav-icono { margin-left: auto; opacity: 0.45; font-size: 0.95rem; }
.nav-tab:hover { background: rgba(47, 125, 91, 0.07); transform: translateX(2px); }
.nav-tab.activa {
  background: var(--ink);
  color: var(--paper-2);
  border-color: var(--ink);
  margin-right: 0;
  border-radius: 8px 0 0 8px;
  box-shadow: 3px 3px 0 rgba(var(--sombra-rgb), 0.18);
}
.nav-tab.activa .nav-num { color: var(--paper); border-color: currentColor; }
.nav-tab.activa .nav-icono { opacity: 0.8; }

.sidebar-pie {
  margin-top: auto;
  padding-right: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.sidebar-pie .nota-pie {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 0.6rem;
}

/* ---------- Cabecera de cada vista ---------- */
.vista-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.titulo-seccion {
  font-size: 1.35rem;
  font-style: italic;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.titulo-seccion span {
  font-family: var(--f-mono);
  font-style: normal;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--rojo);
  border: 1.5px solid var(--rojo);
  border-radius: 4px;
  padding: 0.1em 0.45em;
  transform: rotate(-3deg);
}

.resumen-inline { display: flex; gap: 1.2rem; font-size: 0.85rem; color: var(--ink-soft); flex-wrap: wrap; }

/* ---------- Grillas ---------- */
.grid-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}
.grid-stats.tres { grid-template-columns: repeat(3, 1fr); }
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}
.grid-fondos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    border-right: none;
    border-bottom: 1.5px solid var(--ink);
    padding: 0.8rem 1rem;
    background: var(--paper-2);
  }
  .marca { margin-bottom: 0; }
  .nav-tab { margin-right: 0; border-radius: 8px; padding: 0.4rem 0.7rem; }
  .nav-tab.activa { border-radius: 8px; }
  .nav-tab .nav-icono { display: none; }
  .sidebar-pie { margin-top: 0; flex-direction: row; align-items: center; }
  .sidebar-pie .nota-pie { display: none; }
  main { padding: 1.2rem 1rem 3rem; }
  .grid-stats, .grid-stats.tres, .grid-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid-stats, .grid-stats.tres, .grid-2 { grid-template-columns: 1fr; }

  /* ---------- Tab Bar estilo iOS (ultrathin material) ---------- */
  .sidebar {
    position: fixed;
    bottom: 0; left: 0; right: 0; top: auto;
    height: auto;
    width: 100%;
    border: none;
    border-top: 0.5px solid rgba(0,0,0,0.12);
    padding: 6px 0 calc(env(safe-area-inset-bottom, 0px));
    background: rgba(247, 242, 230, 0.82);
    -webkit-backdrop-filter: saturate(180%) blur(22px);
    backdrop-filter: saturate(180%) blur(22px);
    background-image: none;
    z-index: 200;
    gap: 0;
    flex-direction: row;
    align-items: stretch;
    flex-wrap: nowrap;
    box-shadow: none;
  }
  [data-tema="oscuro"] .sidebar {
    background: rgba(30, 36, 33, 0.78);
    border-top: 0.5px solid rgba(255,255,255,0.12);
  }
  [data-perfil="isa"] .sidebar {
    background: rgba(253, 245, 248, 0.85);
  }
  [data-perfil="isa"][data-tema="oscuro"] .sidebar {
    background: rgba(40, 28, 33, 0.82);
  }

  .marca { display: none; }
  .sidebar-pie { display: none; }
  #nav { display: flex; width: 100%; padding: 0 4px; gap: 0; }

  .nav-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 2px 4px;
    margin: 0;
    border-radius: 10px;
    border: none;
    min-height: 50px;
    color: rgba(60, 67, 63, 0.62);
    background: transparent;
    transition: color 0.18s ease, transform 0.12s ease, opacity 0.12s ease;
    -webkit-tap-highlight-color: transparent;
  }
  [data-tema="oscuro"] .nav-tab { color: rgba(235, 230, 218, 0.55); }
  [data-perfil="isa"] .nav-tab { color: rgba(95, 60, 75, 0.6); }
  [data-perfil="isa"][data-tema="oscuro"] .nav-tab { color: rgba(240, 215, 225, 0.55); }

  .nav-tab:active { opacity: 0.55; transform: scale(0.94); }

  .nav-tab.activa {
    background: transparent;
    border: none;
    color: var(--verde-fuerte);
  }
  [data-perfil="isa"] .nav-tab.activa { color: #ad3b72; }

  .nav-tab .nav-num { display: none; }
  .nav-tab .nav-icono {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    line-height: 1;
  }
  .nav-tab .nav-icono svg {
    width: 24px;
    height: 24px;
    display: block;
    transition: transform 0.18s ease;
  }
  .nav-tab.activa .nav-icono svg { transform: scale(1.05); }
  .nav-tab .nav-label {
    font-family: var(--f-sans);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.01em;
    line-height: 1;
    text-transform: none;
    font-style: normal;
  }
  .nav-tab.activa .nav-label { font-weight: 600; }

  /* Espacio para que la barra no tape el contenido */
  main {
    padding: 1rem 1rem calc(72px + env(safe-area-inset-bottom, 0px));
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
  }

  /* Masthead más compacto */
  .masthead { padding: 0.5rem 0; margin-bottom: 1rem; }
  .masthead h1 { font-size: 1.05rem; }
  .masthead .folio { font-size: 0.62rem; }

  /* Tablas: scroll horizontal en lugar de overflow oculto */
  .tabla { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tabla .fecha-col { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .nav-tab, .nav-tab .nav-icono svg { transition: none !important; }
}

/* ============================================================
   MOTION SYSTEM — animaciones premium globales
   Tokens en :root. Stagger en cards, micro-interacciones,
   transiciones suaves de estado. Respeta reduced-motion.
   ============================================================ */

/* Entrada de la vista al cambiar de tab */
@keyframes lb-rise {
  from { opacity: 0; transform: translate3d(0, 8px, 0); }
  to   { opacity: 1; transform: translate3d(0, 0, 0); }
}

#view > * {
  animation: lb-rise var(--dur-md) var(--ease-out) both;
}
#view > *:nth-child(1) { animation-delay: 0ms; }
#view > *:nth-child(2) { animation-delay: 40ms; }
#view > *:nth-child(3) { animation-delay: 80ms; }
#view > *:nth-child(4) { animation-delay: 120ms; }
#view > *:nth-child(5) { animation-delay: 160ms; }
#view > *:nth-child(6) { animation-delay: 200ms; }
#view > *:nth-child(7) { animation-delay: 240ms; }
#view > *:nth-child(n+8) { animation-delay: 280ms; }

/* Cards: feedback de tap suave en móvil + hover en desktop */
.card {
  transition: transform var(--dur-sm) var(--ease-out), box-shadow var(--dur-sm) var(--ease-out);
  will-change: transform;
}
@media (hover: hover) {
  .card:hover { transform: translateY(-1px); box-shadow: 8px 8px 0 rgba(var(--sombra-rgb), 0.1); }
}

/* Botones: refinar curvas a ease-spring */
.btn {
  transition: transform var(--dur-xs) var(--ease-spring),
              box-shadow var(--dur-xs) var(--ease-out),
              background-color var(--dur-sm) var(--ease-soft),
              color var(--dur-sm) var(--ease-soft),
              border-color var(--dur-sm) var(--ease-soft);
}
.btn:active { transition-duration: 80ms; }

.btn-icono {
  transition: transform var(--dur-xs) var(--ease-spring),
              background-color var(--dur-sm) var(--ease-soft),
              border-color var(--dur-sm) var(--ease-soft),
              color var(--dur-sm) var(--ease-soft);
}
.btn-icono:active { transform: scale(0.88); }

/* Stamps (pagado/pendiente): transición de color suave */
.stamp-btn {
  transition: transform var(--dur-sm) var(--ease-spring),
              background-color var(--dur-md) var(--ease-soft),
              color var(--dur-md) var(--ease-soft),
              border-color var(--dur-md) var(--ease-soft);
}
.stamp-btn:active { transform: scale(0.92); transition-duration: 100ms; }

/* Inputs: transición suave del focus ring */
.input {
  transition: border-color var(--dur-sm) var(--ease-soft),
              background-color var(--dur-sm) var(--ease-soft),
              box-shadow var(--dur-sm) var(--ease-soft);
}
.input:focus {
  box-shadow: 0 0 0 3px rgba(47, 125, 91, 0.18);
}
[data-perfil="isa"] .input:focus {
  box-shadow: 0 0 0 3px rgba(173, 59, 114, 0.20);
}

/* Tarjeta de estadística: número entra con escala suave */
@keyframes lb-pop {
  0%   { opacity: 0; transform: scale(0.9); }
  60%  { opacity: 1; transform: scale(1.02); }
  100% { transform: scale(1); }
}
.stat .stat-num { animation: lb-pop var(--dur-lg) var(--ease-spring) both; animation-delay: 120ms; }

/* Tabla: filas entran con stagger sutil */
@keyframes lb-fade-in {
  from { opacity: 0; transform: translate3d(0, 4px, 0); }
  to   { opacity: 1; transform: translate3d(0, 0, 0); }
}
.tabla tbody tr {
  animation: lb-fade-in var(--dur-sm) var(--ease-out) both;
}
.tabla tbody tr:nth-child(1)  { animation-delay: 0ms; }
.tabla tbody tr:nth-child(2)  { animation-delay: 20ms; }
.tabla tbody tr:nth-child(3)  { animation-delay: 40ms; }
.tabla tbody tr:nth-child(4)  { animation-delay: 60ms; }
.tabla tbody tr:nth-child(5)  { animation-delay: 80ms; }
.tabla tbody tr:nth-child(6)  { animation-delay: 100ms; }
.tabla tbody tr:nth-child(7)  { animation-delay: 120ms; }
.tabla tbody tr:nth-child(8)  { animation-delay: 140ms; }
.tabla tbody tr:nth-child(n+9) { animation-delay: 160ms; }

/* Aviso (warnings) — pequeño bounce sutil al entrar */
.aviso {
  animation: lb-rise var(--dur-md) var(--ease-spring) both;
}

/* Chips */
.chip { transition: transform var(--dur-xs) var(--ease-spring), background-color var(--dur-sm) var(--ease-soft); }
.chip:active { transform: scale(0.94); }

/* Burbuja de Josefa: entrada suave desde abajo */
@keyframes lb-josefa-in {
  from { opacity: 0; transform: translate3d(0, 6px, 0) scale(0.98); }
  to   { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}
.josefa-burbuja { animation: lb-josefa-in var(--dur-md) var(--ease-spring) both; }

/* Toast: entrada/salida con spring */
#toast {
  transition: transform var(--dur-md) var(--ease-spring),
              opacity var(--dur-sm) var(--ease-out);
}

/* Nav tab — pequeño bounce al activarse (móvil) */
@media (max-width: 560px) {
  .nav-tab .nav-icono svg {
    transition: transform var(--dur-md) var(--ease-spring),
                stroke var(--dur-sm) var(--ease-soft);
  }
  .nav-tab.activa .nav-icono svg { transform: scale(1.12); }
  .nav-tab .nav-label {
    transition: font-weight var(--dur-sm) var(--ease-soft),
                color var(--dur-sm) var(--ease-soft);
  }
}

/* Modal-style: vista cambia con dirección al cambiar de tab — opcional via JS */

/* Respetar reduced-motion */
@media (prefers-reduced-motion: reduce) {
  #view > *,
  .stat .stat-num,
  .tabla tbody tr,
  .aviso,
  .josefa-burbuja {
    animation: none !important;
  }
  .card, .btn, .btn-icono, .stamp-btn, .input, .chip {
    transition: none !important;
  }
}

/* ---------- Accesibilidad ---------- */
:focus-visible {
  outline: 3px solid var(--verde);
  outline-offset: 2px;
  border-radius: 4px;
}
[data-perfil="isa"] :focus-visible { outline-color: #ad3b72; }
button, a, select, input, textarea { touch-action: manipulation; }
/* Mínimo 44x44 para botones-icono — accesibilidad táctil */
.btn-icono, .stamp-btn {
  min-width: 44px;
  min-height: 36px;
}
@media (max-width: 560px) {
  .btn-icono, .stamp-btn {
    min-height: 44px;
  }
}
/* skip link para screen readers / teclado */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.sr-only:focus {
  position: fixed;
  top: 8px; left: 8px;
  width: auto; height: auto;
  padding: 0.5rem 1rem;
  background: var(--ink);
  color: var(--paper-2);
  border-radius: 6px;
  z-index: 9999;
  clip: auto;
}

/* Badge en nav tabs (alertas) */
.nav-icono { position: relative; display: inline-flex; align-items: center; justify-content: center; }
.nav-badge {
  position: absolute;
  top: -8px;
  right: -10px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: var(--rojo);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 700;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  border: 1.5px solid var(--paper-2);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  animation: nav-badge-pop var(--dur-md, 240ms) var(--ease-spring, ease) both;
}
@keyframes nav-badge-pop {
  0% { opacity: 0; transform: scale(0.5); }
  60% { transform: scale(1.15); }
  100% { opacity: 1; transform: scale(1); }
}
@media (max-width: 560px) {
  .nav-badge { top: -4px; right: -8px; border-color: var(--paper-2); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}