/* ========================================================
   ESTILOS GENERALES Y LAYOUT - LIVE ECHOES
   Diseño minimalista, sobrio y auténtico (Sin estética IA)
   ======================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================================
   HEADER & NAVEGACIÓN PRINCIPAL
   ======================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 10, 13, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-top: -1px;
}

/* Indicador de actividad en vivo (Píldora sobria) */
.header-stats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-icon-toggle {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.btn-icon-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
  border-color: var(--border-medium);
}

/* Botón principal estilo Threads / Apple: Blanco sólido y nítido */
.btn-primary-confess {
  background: var(--accent-white);
  color: var(--accent-black);
  border: none;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.84rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn-primary-confess:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-primary-confess:active {
  transform: translateY(0);
}

/* ========================================================
   CONTENEDOR PRINCIPAL
   ======================================================== */
.main-wrapper {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem 1.25rem;
}

/* Banner de Pregunta Diaria (Editorial, tipo nota de reflexión) */
.daily-prompt-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.15rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.prompt-icon {
  font-size: 1.15rem;
  color: var(--text-tertiary);
}

.prompt-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  font-weight: 600;
}

.prompt-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.btn-answer-prompt {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.78rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.btn-answer-prompt:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* ========================================================
   FILTROS DE NAVEGACIÓN (Pills limpias estilo Twitter/Reddit)
   ======================================================== */
.nav-filters-container {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.65rem;
  margin-bottom: 1.25rem;
  scrollbar-width: none;
}

.nav-filters-container::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.filter-chip:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
  border-color: var(--border-medium);
}

.filter-chip.active {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
  font-weight: 600;
}

.filter-chip.chip-my-echoes {
  margin-left: auto;
  border-color: var(--border-medium);
}

.filter-chip.chip-my-echoes.active {
  background: var(--text-primary);
  color: var(--accent-black);
  border-color: var(--text-primary);
}

/* ========================================================
   GRID DE CONFESIONES
   ======================================================== */
.confessions-feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.25rem;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3.5rem 1rem;
  color: var(--text-tertiary);
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.empty-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

/* ========================================================
   NOTIFICACIONES TOAST (Minimalistas)
   ======================================================== */
#toasts-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.1rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  min-width: 270px;
  max-width: 360px;
  font-size: 0.84rem;
  animation: toastSlide 0.2s cubic-bezier(0.2, 0, 0, 1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.toast.toast-alert {
  border-color: var(--accent-red);
}

.toast.toast-success {
  border-color: var(--accent-emerald);
}

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

/* FAB para móviles */
.fab-confess {
  display: none;
  position: fixed;
  bottom: 18px;
  right: 18px;
  z-index: 99;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-white);
  border: none;
  color: var(--accent-black);
  font-size: 1.4rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

@media (max-width: 768px) {
  .header-stats {
    display: none;
  }
  .fab-confess {
    display: flex;
  }
  .confessions-feed {
    grid-template-columns: 1fr;
  }
  .daily-prompt-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========================================================
   RECOMENDACIONES CRUZADAS (RED PULSIDEV MULTI-APP)
   ======================================================== */
.network-dropdown-container {
  position: relative;
}

.btn-network-recommend {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-network-recommend:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.network-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  display: none;
  flex-direction: column;
  z-index: 1000;
  overflow: hidden;
}

.network-dropdown-container:hover .network-dropdown-menu,
.network-dropdown-container:focus-within .network-dropdown-menu,
.network-dropdown-menu.active {
  display: flex;
}

.network-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
}

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

.network-dropdown-item:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.network-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  padding: 0.05rem 0.35rem;
  border-radius: var(--radius-full);
  color: var(--accent-amber);
}

.network-recommendation-section {
  margin-top: 3rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}

.network-section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.network-recommendation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.network-recommendation-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
  transition: border-color var(--transition-fast);
}

.network-recommendation-card:hover {
  border-color: var(--border-medium);
}

.network-card-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.network-card-icon {
  font-size: 1.6rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.network-card-info {
  display: flex;
  flex-direction: column;
}

.network-card-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.network-card-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
  line-height: 1.4;
}

.btn-visit-network {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.btn-visit-network:hover {
  background: var(--text-primary);
  color: var(--accent-black);
}

@media (max-width: 768px) {
  .network-recommendation-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn-visit-network {
    width: 100%;
    text-align: center;
  }
}