/* ============================================================
   Dacmos Password Manager — Hoja de estilos principal (F4.4)
   Estructura:
     1. Variables CSS
     2. Reset + tipografía base
     3. Layout SPA (shell, #app, contenedor de vista)
     4. Componentes reutilizables (cards, botones, inputs, badges, estados)
     5. Navegación (bottom-nav mobile + sidebar desktop)
     6. Vista centrada (unlock, setup)
     7. Vista: vault
     8. Vista: health
     9. Vista: generator
    10. Vista: settings
    11. Vista: credential-form
    12. Overlay "Agregar al Home Screen" (iOS)
    13. Banner de persistencia (F4.5)
    14. Utilidades
    15. Media queries — breakpoint 768px
   ============================================================ */

/* ── 1. Variables CSS ─────────────────────────────────────── */
:root {
  /* Paleta de colores — misma que la extensión Chrome */
  --color-bg:      #1a1a2e;
  --color-surface: #16213e;
  --color-primary: #0066cc;
  --color-accent:  #00d4ff;
  --color-text:    #e8e8e8;
  --color-muted:   #8892a4;
  --color-border:  #2a3a5c;
  --color-danger:  #e74c3c;
  --color-success: #2ecc71;
  --color-warning: #f39c12;

  /* Touch targets — WCAG 2.5.5: mínimo 44×44px */
  --touch-min: 44px;

  /* Navegación */
  --nav-h:       64px;
  --nav-w:       220px;   /* ancho del sidebar en desktop */

  /* Safe area para iPhone con notch/Dynamic Island */
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top:    env(safe-area-inset-top, 0px);
  --safe-left:   env(safe-area-inset-left, 0px);
  --safe-right:  env(safe-area-inset-right, 0px);

  /* Radios y espaciados */
  --radio-card: 10px;
  --radio-btn:  8px;
  --gap-base:   1rem;
}

/* ── 2. Reset + tipografía base ───────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  height: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  line-height: 1.5;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.25;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ── 3. Layout SPA ────────────────────────────────────────── */

/* #app: área de contenido principal donde se montan las vistas */
#app {
  min-height: 100dvh;
  /* Espacio para la bottom-nav fija en mobile */
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom));
}

/* Contenedor de vista: max-width centrado con padding lateral */
.vista {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.25rem 1rem;
}

/* Vista centrada verticalmente (unlock, setup) */
.vista--centrada {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 1rem;
}

/* ── 4. Componentes reutilizables ─────────────────────────── */

/* ── Tarjeta ── */
.tarjeta {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radio-card);
  padding: 1.5rem;
}

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: var(--touch-min);
  padding: 0 1.25rem;
  border: none;
  border-radius: var(--radio-btn);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.btn--primario {
  background: var(--color-primary);
  color: #fff;
}

.btn--primario:hover {
  background: #0055aa;
}

.btn--secundario {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secundario:hover {
  background: rgba(255,255,255,0.05);
}

.btn--ghost {
  background: transparent;
  color: var(--color-muted);
  border: none;
  font-size: 0.85rem;
}

.btn--ghost:hover {
  color: var(--color-text);
}

.btn--peligro {
  background: var(--color-danger);
  color: #fff;
}

.btn--peligro:hover {
  background: #c0392b;
}

.btn--completo {
  width: 100%;
}

.btn--pequeño {
  min-height: 36px;
  padding: 0 0.875rem;
  font-size: 0.8rem;
}

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

/* ── Inputs ── */
.input {
  width: 100%;
  min-height: var(--touch-min);
  padding: 0 0.875rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radio-btn);
  color: var(--color-text);
  font-size: 1rem;
  transition: border-color 0.15s;
  outline: none;
}

.input:focus {
  border-color: var(--color-primary);
}

.input::placeholder {
  color: var(--color-muted);
}

textarea.input {
  min-height: 80px;
  padding: 0.75rem 0.875rem;
  resize: vertical;
  line-height: 1.5;
}

/* ── Campo de formulario (label + input) ── */
.campo {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.campo label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-muted);
}

/* Wrapper para campo con botón toggle (ej. mostrar/ocultar password) */
.campo__wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.campo__wrapper .input {
  padding-right: 3rem;
}

.campo__toggle {
  position: absolute;
  right: 0.5rem;
  background: none;
  border: none;
  padding: 0.5rem;
  color: var(--color-muted);
  cursor: pointer;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Badge / chip de estado ── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge--exito    { background: rgba(46,204,113,0.15); color: var(--color-success); }
.badge--peligro  { background: rgba(231,76,60,0.15);  color: var(--color-danger);  }
.badge--aviso    { background: rgba(243,156,18,0.15); color: var(--color-warning); }
.badge--neutro   { background: rgba(136,146,164,0.15); color: var(--color-muted);  }

/* ── Divisor de sección ── */
.seccion-titulo {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin: 1.5rem 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

/* ── Estado de carga ── */
.cargando {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 3rem 1rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ── Mensaje de error en línea ── */
.error-texto {
  color: var(--color-danger);
  font-size: 0.85rem;
  padding: 0.5rem 0;
}

/* ── Mensaje vacío (vault sin credenciales, etc.) ── */
.lista-vacia {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-muted);
}

.lista-vacia__icono {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.lista-vacia__texto {
  font-size: 0.9rem;
}

/* ── Card de credencial (con swipe) ── */
.card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radio-card);
  margin-bottom: 0.625rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.card__contenido {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  background: var(--color-surface);
  will-change: transform;  /* compositing en GPU para animaciones suaves */
  min-height: var(--touch-min);
  touch-action: pan-y;  /* browser maneja scroll vertical, JS maneja swipe horizontal */
  cursor: pointer;      /* feedback visual de interactividad */
}

.card__icono {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(0,102,204,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--color-accent);
  font-weight: 600;
}

.card__info {
  flex: 1;
  min-width: 0;
}

.card__sitio {
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card__usuario {
  font-size: 0.8rem;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card__badges {
  display: flex;
  gap: 0.3rem;
  flex-shrink: 0;
}

/* Bloque TOTP en la card (F5.1-B) — código en vivo + countdown + copiar */
.card__totp {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.35rem;
}
.card__totp-cod {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}
.card__totp-time {
  font-size: 0.72rem;
  color: var(--color-muted);
  min-width: 2.4em;
}
.card__totp-time--exp { color: var(--color-danger); }
.card__totp-copy {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  padding: 2px 4px;
}

/* Botones de acción detrás de la card (revelados con swipe) */
.card__acciones {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: stretch;
  z-index: 0;
  width: 120px;
}

.card__accion {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  color: #fff;
}

.card__accion--editar   { background: var(--color-primary); }
.card__accion--eliminar { background: var(--color-danger);  }

.card__accion--editar:hover   { background: #0055aa; }
.card__accion--eliminar:hover { background: #c0392b; }

/* ── 5. Navegación ────────────────────────────────────────── */

/* Contenedor fijo en la parte inferior (mobile) */
#nav-contenedor {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.nav-bottom {
  display: flex;
  flex-direction: row;
  height: var(--nav-h);
  padding-bottom: var(--safe-bottom);
}

/* Cada ítem de navegación — contiene ícono + etiqueta (Condición 1) */
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: var(--touch-min);
  padding: 6px 4px;
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: inherit;
  cursor: pointer;
  transition: color 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.nav-item__icono {
  font-size: 1.4rem;
  line-height: 1;
}

.nav-item__etiqueta {
  font-size: 0.55rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
}

.nav-item--activo {
  color: var(--color-primary);
}

.nav-item:hover:not(.nav-item--activo) {
  color: var(--color-text);
}

/* ── 6. Vista centrada (unlock, setup) ───────────────────── */

.tarjeta--unlock,
.tarjeta--setup {
  width: 100%;
  max-width: 420px;
}

.unlock__logo,
.setup__logo {
  text-align: center;
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.unlock__titulo,
.setup__titulo {
  text-align: center;
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.unlock__subtitulo,
.setup__subtitulo {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.unlock__form,
.setup__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.unlock__error {
  padding: 0.5rem 0.75rem;
  background: rgba(231,76,60,0.1);
  border: 1px solid rgba(231,76,60,0.3);
  border-radius: var(--radio-btn);
  color: var(--color-danger);
  font-size: 0.85rem;
}

/* Indicador de fortaleza de contraseña */
.fuerza-password {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.fuerza-password__barra {
  height: 4px;
  border-radius: 2px;
  background: var(--color-border);
  overflow: hidden;
}

.fuerza-password__relleno {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease, background 0.3s ease;
  width: 0%;
}

.fuerza-password__etiqueta {
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* ── 7. Vista: vault ──────────────────────────────────────── */

.vault__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.vault__titulo {
  font-size: 1.25rem;
}

.vault__acciones {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}

.vault__buscador {
  margin-bottom: 1rem;
}

.vault__lista {
  display: flex;
  flex-direction: column;
}

/* ── 8. Vista: health ─────────────────────────────────────── */

.health__contadores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.health__contador {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radio-card);
  padding: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.health__contador-numero {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.health__contador-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.health__contador--seguras  .health__contador-numero { color: var(--color-success); }
.health__contador--debiles  .health__contador-numero { color: var(--color-warning); }
.health__contador--reutiliz .health__contador-numero { color: var(--color-warning); }
.health__contador--comprom  .health__contador-numero { color: var(--color-danger);  }

.health__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radio-card);
  margin-bottom: 0.5rem;
}

.health__item-info {
  flex: 1;
  min-width: 0;
}

.health__item-sitio {
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.health__item-entropia {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.health__item-badges {
  display: flex;
  gap: 0.3rem;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* ── 9. Vista: generator ──────────────────────────────────── */

.generator__output {
  background: var(--color-bg);
  border: 2px solid var(--color-primary);
  border-radius: var(--radio-card);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.generator__password {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  word-break: break-all;
  letter-spacing: 0.05em;
  color: var(--color-accent);
}

.generator__entropia {
  font-size: 0.75rem;
  color: var(--color-muted);
  white-space: nowrap;
}

.generator__controles {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radio-card);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 1rem;
}

.generator__control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.generator__control-label {
  font-size: 0.9rem;
}

.generator__longitud {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.generator__longitud input[type="range"] {
  flex: 1;
  accent-color: var(--color-primary);
}

.generator__longitud-valor {
  font-size: 0.85rem;
  font-weight: 600;
  width: 2ch;
  text-align: right;
  color: var(--color-accent);
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle__slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.toggle__slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  top: 3px;
  left: 3px;
  transition: transform 0.2s;
}

.toggle input:checked + .toggle__slider {
  background: var(--color-primary);
}

.toggle input:checked + .toggle__slider::before {
  transform: translateX(20px);
}

.generator__historial {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radio-card);
  padding: 1rem;
}

.generator__historial-titulo {
  font-size: 0.8rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.generator__historial-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-border);
  gap: 0.5rem;
}

.generator__historial-item:last-child {
  border-bottom: none;
}

.generator__historial-pass {
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--color-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

/* ── 10. Vista: settings ──────────────────────────────────── */

.settings__seccion {
  margin-bottom: 1.5rem;
}

.settings__fila {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-border);
}

.settings__fila:last-child {
  border-bottom: none;
}

.settings__fila-info {
  flex: 1;
  min-width: 0;
}

.settings__fila-titulo {
  font-size: 0.9rem;
  font-weight: 500;
}

.settings__fila-descripcion {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 0.15rem;
}

.settings__fila-accion {
  flex-shrink: 0;
}

.settings__estado-persistencia {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem;
  background: var(--color-bg);
  border-radius: var(--radio-btn);
  font-size: 0.9rem;
}

.settings__uso-storage {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 0.5rem;
}

/* ── 11. Vista: credential-form ───────────────────────────── */

.credform__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.credform__titulo {
  font-size: 1.15rem;
  flex: 1;
}

.credform__tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
  background: var(--color-surface);
  padding: 0.25rem;
  border-radius: var(--radio-btn);
}

.credform__tab {
  flex: 1;
  padding: 0.5rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--color-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  min-height: 36px;
}

.credform__tab--activo {
  background: var(--color-primary);
  color: #fff;
}

.credform__campos {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.credform__generar {
  position: absolute;
  right: 0.5rem;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.1rem;
}

.credform__acciones {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ── 12. Overlay "Agregar al Home Screen" (iOS) ───────────── */

.overlay-install {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 0 var(--safe-bottom);
}

.overlay-install__panel {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-radius: var(--radio-card) var(--radio-card) 0 0;
  padding: 1.5rem 1.25rem calc(1.5rem + var(--safe-bottom));
  width: 100%;
  max-width: 480px;
  position: relative;
}

.overlay-install__cerrar {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: 1.25rem;
  cursor: pointer;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay-install__titulo {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.overlay-install__intro {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.overlay-install__pasos {
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.overlay-install__pasos li {
  font-size: 0.9rem;
  line-height: 1.5;
}

.overlay-install__nota {
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: 0.75rem;
  background: rgba(0,102,204,0.1);
  border-radius: var(--radio-btn);
  line-height: 1.5;
}

/* ── 13. Banner de persistencia (F4.5) ────────────────────── */

.banner-persistencia {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: rgba(243,156,18,0.1);
  border: 1px solid rgba(243,156,18,0.3);
  border-radius: var(--radio-card);
  margin-bottom: 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

.banner-persistencia p {
  flex: 1;
  color: var(--color-text);
}

.banner-persistencia__cerrar {
  background: none;
  border: none;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem;
  min-height: var(--touch-min);
  min-width: var(--touch-min);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* sin-nav: cuando la barra de navegación está oculta (setup, unlock, credential-form)
   se elimina el padding-bottom para que las vistas centradas queden perfectamente centradas */
#app.sin-nav {
  padding-bottom: 0;
}

/* ── 14. Utilidades ───────────────────────────────────────── */

.oculto { display: none !important; }

.texto-muted   { color: var(--color-muted); }
.texto-exito   { color: var(--color-success); }
.texto-peligro { color: var(--color-danger); }

.monospace {
  font-family: 'Courier New', Courier, monospace;
  letter-spacing: 0.03em;
}

/* ── 15. Media queries — breakpoint 768px ─────────────────── */

/* ── 16. Splash de carga (movido desde <style> inline de index.html) ── */

.splash {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  text-align: center;
}

.splash__icon {
  width: 80px;
  height: 80px;
  animation: pulso 1.8s ease-in-out infinite;
}

.splash__texto {
  font-size: 1rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.splash__marca {
  font-size: 0.75rem;
  color: var(--color-text);
  opacity: 0.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@keyframes pulso {
  0%, 100% { opacity: 1;   transform: scale(1);    }
  50%       { opacity: 0.6; transform: scale(0.95); }
}

/* ── 17. Página offline (movido desde <style> inline de offline.html) ── */

/* Modificador de .tarjeta para la disposición centrada de la página offline */
.tarjeta--offline {
  max-width: 400px;
  padding: 2.5rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.tarjeta__icono {
  width: 64px;
  height: 64px;
  opacity: 0.7;
}

.tarjeta__titulo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

.tarjeta__descripcion {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.tarjeta__detalle {
  font-size: 0.8rem;
  background: rgba(0, 102, 204, 0.15);
  border: 1px solid rgba(0, 102, 204, 0.3);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--color-accent);
  line-height: 1.5;
}

.boton-reintentar {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
  max-width: 200px;
}

.boton-reintentar:hover {
  background: #0052a3;
}

.marca {
  font-size: 0.7rem;
  color: var(--color-muted);
  opacity: 0.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── 18. Clases extraídas de estilos inline de vistas JS ── */

/* Nota de seguridad al pie de las vistas de autenticación (setup, unlock) */
.auth__nota-pie {
  text-align: center;
  margin-top: 1.25rem;
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* Variante de éxito de .unlock__error — misma estructura, colores verdes.
   Debe declararse después de .unlock__error para que la cascada funcione. */
.alerta--exito {
  background: rgba(46, 204, 113, 0.1);
  border-color: rgba(46, 204, 113, 0.3);
  color: var(--color-success);
}

/* ── Flujo "Olvidé mi contraseña" (vista unlock) ── */
.unlock__olvide-link {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-muted);
  cursor: pointer;
  margin-top: 0.25rem;
  text-decoration: underline;
  text-decoration-style: dotted;
  transition: color 0.2s;
}

.unlock__olvide-link:hover {
  color: var(--color-warning);
}

.unlock__olvide-panel {
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.3);
  border-radius: var(--radio-btn);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.unlock__olvide-aviso {
  font-size: 0.8rem;
  color: var(--color-warning);
  line-height: 1.5;
}

.unlock__olvide-acciones {
  display: flex;
  gap: 0.5rem;
}

.unlock__olvide-acciones .btn {
  flex: 1;
}

.btn--peligro {
  background: var(--color-danger);
  color: #fff;
  border: none;
}

.btn--peligro:hover {
  background: #c0392b;
}

.btn--sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

/* Título principal de la vista health */
.health__titulo {
  margin-bottom: 1rem;
}

/* Nota de metodología al pie del reporte de salud */
.health__nota-pie {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 1rem;
  text-align: center;
}

/* Título principal de la vista generator */
.generator__titulo {
  margin-bottom: 1rem;
}

/* Fila de la etiqueta de entropía, alineada a la derecha */
.generator__entropia-fila {
  text-align: right;
  margin-bottom: 0.5rem;
}

/* Título principal de la vista settings */
.settings__titulo {
  margin-bottom: 1.5rem;
}

/* Fila de acciones con múltiples botones (Sincronizar + Desconectar) */
.settings__fila-accion--multiple {
  display: flex;
  gap: 0.5rem;
}

/* Pie de la vista settings con versión de la app */
.settings__version-pie {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 1.5rem;
}

/* Separación inferior del bloque de campos dentro de settings */
.settings__seccion .credform__campos {
  margin-bottom: 1rem;
}

/* Input de archivo oculto — la label asociada actúa de botón */
.archivo-entrada-oculta {
  display: none;
}

/* Variante del botón de generar password cuando coexiste con el toggle
   de visibilidad: desplazado a la derecha para no solaparse con el ojo */
.credform__generar--con-toggle {
  right: 2.75rem;
}

/* Los botones de acción del formulario comparten el ancho disponible */
.credform__acciones .btn {
  flex: 1;
}

/* ── 19. Banner de actualización del Service Worker ── */

/* Contenedor fijo encima de la barra de navegación inferior.
   En desktop (sidebar lateral) el offset de --nav-h no interfiere. */
.sw-update-banner {
  position: fixed;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 150;
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  border-radius: var(--radio-card);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  max-width: calc(100vw - 2rem);
}

.sw-update-banner__texto {
  font-size: 0.9rem;
  color: var(--color-text);
}

.sw-update-banner__btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radio-btn);
  padding: 0.4rem 0.875rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  font-family: inherit;
  flex-shrink: 0;
}

.sw-update-banner__btn:hover {
  background: #0055aa;
}

/* ── Mobile (< 768px): ajustes adicionales ── */
@media (max-width: 767px) {
  /* Contadores de health en 2 columnas en mobile */
  .health__contadores {
    grid-template-columns: 1fr 1fr;
  }

  /* Los botones del formulario de credencial apilados en mobile */
  .credform__acciones {
    flex-direction: column;
  }
}

/* ── Desktop (≥ 768px): sidebar izquierdo ── */
@media (min-width: 768px) {
  body {
    display: flex;
    flex-direction: row;
  }

  /* #nav-contenedor se convierte en sidebar lateral */
  #nav-contenedor {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--nav-w);
    border-top: none;
    border-right: 1px solid var(--color-border);
    /* Padding top para el "safe area" en monitores con notch (infrecuente) */
    padding-top: var(--safe-top);
  }

  /* La bottom-nav pasa a ser sidebar vertical */
  .nav-bottom {
    flex-direction: column;
    height: 100%;
    padding: 1.5rem 0;
    justify-content: flex-start;
    align-items: stretch;
  }

  /* Los ítems pasan de columna (ícono encima) a fila (ícono al lado) */
  .nav-item {
    flex: 0 0 auto;
    flex-direction: row;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    justify-content: flex-start;
    width: 100%;
  }

  .nav-item__icono {
    font-size: 1.2rem;
    width: 1.5rem;
    text-align: center;
  }

  .nav-item__etiqueta {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
  }

  /* #app se desplaza a la derecha del sidebar */
  #app {
    margin-left: var(--nav-w);
    padding-bottom: 0;
    flex: 1;
    min-width: 0;
  }

  /* Contadores en 4 columnas en desktop */
  .health__contadores {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Acciones del form side-by-side en desktop */
  .credform__acciones {
    flex-direction: row;
  }

  /* Vista centrada con altura completa menos el top padding */
  .vista--centrada {
    min-height: 100dvh;
  }

  /* Sin nav activa en desktop: quitar el margen lateral */
  #app.sin-nav {
    margin-left: 0;
    padding-bottom: 0;
  }
}

/* ── Setup — pantalla de eleccion y restore ── */
.setup__opciones {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.setup__divisor {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-muted);
  font-size: 0.78rem;
}

.setup__divisor::before,
.setup__divisor::after {
  content: '';
  flex: 1;
  border-top: 1px solid var(--color-border);
}

.setup__aviso {
  background: rgba(255, 193, 7, 0.08);
  border: 1px solid rgba(255, 193, 7, 0.3);
  border-radius: var(--radio-btn);
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.setup__estado {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-muted);
  padding: 0.5rem 0;
  line-height: 1.5;
}