/* ============================================================
   MOBILE.CSS — Responsive para celular
   ============================================================ */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .mobile-header {
    display: flex;
  }

  .bottom-nav {
    display: block;
  }

  .tx-form-page {
    padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
  }

  .page-content {
    padding: var(--space-md);
    padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px)); /* space for liquid glass nav (64px + 8px margin + pop-out) */
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .stat-card {
    padding: var(--space-md);
  }
  .stat-value {
    font-size: 1.25rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .btn-fab {
    bottom: 80px;
    right: var(--space-md);
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
  }

  .modal {
    max-width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    margin-top: auto;
    max-height: 85vh;
    transform: translateY(100%);
    padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
  }
  .modal-overlay {
    align-items: flex-end;
  }
  .modal-overlay.open .modal {
    transform: translateY(0);
  }

  .transaction-item {
    padding: var(--space-sm) var(--space-md);
  }
  .transaction-icon {
    width: 32px;
    height: 32px;
    font-size: 1rem;
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Conversor: apilar vertical en mobile para que el input se vea */
  .converter-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .converter-input-group {
    width: 100%;
  }
  .converter-input {
    font-size: 1.15rem;
    padding: 12px 14px;
    min-width: 100px;
  }
  .converter-select {
    min-width: 80px;
  }
  .converter-arrow {
    transform: rotate(90deg);
    align-self: center;
    font-size: 1.2rem;
    line-height: 1;
  }
  .converter-result {
    width: 100%;
    padding: 14px;
    font-size: 1.4rem;
  }

  /* Rate + converter bar: apilar tasa arriba, conversor abajo, todo full width */
  .rate-converter-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 12px var(--space-md);
  }
  .rate-converter-tasa {
    text-align: left;
    display: flex;
    align-items: baseline;
    gap: 12px;
    min-width: 0;
    min-height: 0;
  }
  .rate-converter-tasa-value {
    font-size: 1.4rem;
  }
  .rate-converter-tasa-meta {
    margin-top: 0;
  }
  .rate-converter-divider {
    width: 100%;
    height: 1px;
    flex-shrink: 0;
  }
  .rate-converter-form {
    flex: 0 0 auto;          /* no estirar verticalmente en column */
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    min-height: 0;
  }
  .rate-converter-input-group {
    width: 100%;
    gap: 8px;
    flex: 0 0 auto;
  }
  .rate-converter-input {
    font-size: 1.65rem;
    font-weight: 700;
    padding: 14px 16px;
    min-width: 0;
    text-align: right;
    letter-spacing: -0.01em;
    height: 56px;
  }
  .rate-converter-select {
    min-width: 96px;
    font-size: 1rem;
    font-weight: 600;
    height: 56px;
  }
  /* En mobile la flecha sobra: el resultado va pegado al input */
  .rate-converter-arrow { display: none; }
  .rate-converter-result-block {
    width: 100%;
    align-items: stretch;
    min-width: 0;
    padding: 4px 4px 0;
    gap: 4px;
  }
  .rate-converter-usdt-line {
    justify-content: flex-end;
    gap: 8px;
  }
  .rate-converter-usdt-value {
    font-size: 2rem;
    letter-spacing: -0.03em;
  }
  .rate-converter-usdt-label {
    font-size: 0.78rem;
  }
  .rate-converter-alt-line {
    text-align: right;
    font-size: 0.85rem;
  }
  .rate-converter-result {
    width: 100%;
    text-align: right;
    padding: 2px 4px 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: transparent;
    border-radius: 0;
    min-width: 0;
    line-height: 1.2;
    flex: 0 0 auto;
  }
  .rate-converter-result::before {
    content: '≈ ';
    color: var(--text-tertiary);
    font-weight: 500;
  }

  /* Calculadora rediseñada — overrides mobile.
     IMPORTANTE: el input se queda full-width y enorme. Tipear es la accion
     mas importante y bug recurrente es que se compacta. */
  .calc-card {
    padding: 14px;
    gap: 14px;
  }
  .calc-rates-strip {
    gap: 5px;
    padding-bottom: 10px;
  }
  .calc-rate-pill {
    padding: 4px 9px;
    font-size: 0.72rem;
  }
  .calc-rate-pill-label {
    font-size: 0.65rem;
  }

  /* MOBILE: stack input encima del select. Input full-width, font grande,
     altura suficiente. Antes el input vivia al lado del select y se quedaba
     angosto cuando el select pesaba mucho — bug recurrente. */
  .calc-input-row {
    flex-direction: column;
    gap: 8px;
  }
  .calc-input {
    width: 100%;
    font-size: 2rem;
    height: 68px;
    padding: 12px 18px;
  }
  .calc-select {
    width: 100%;
    min-width: 0;
    height: 52px;
    font-size: 0.95rem;
  }

  .calc-result {
    padding: 4px 0;
    gap: 8px;
  }
  .calc-result-value {
    font-size: 3.2rem;
  }
  .calc-result-label {
    font-size: 1.05rem;
  }
  .calc-equiv-row {
    padding: 8px 12px;
    font-size: 0.95rem;
  }
  .calc-equiv-label {
    font-size: 0.85rem;
  }

  /* Touch targets en mobile: minimo accesible */
  .btn-sm {
    padding: 8px 14px;
    font-size: 0.85rem;
    min-height: 38px;
  }
  .btn-icon {
    min-width: 40px;
    min-height: 40px;
  }
  .menu-btn {
    padding: 8px;
    min-width: 40px;
    min-height: 40px;
  }

  /* Page header: titulo mas chico en mobile */
  .page-title { font-size: 1.25rem; }
  .page-header { margin-bottom: var(--space-md); }

  /* Filtros y acciones full width */
  .filters-row { flex-direction: column; align-items: stretch; }
  .filters-row .form-input,
  .filters-row .form-select,
  .filters-row .search-input { min-width: 0 !important; width: 100% !important; flex: 1 1 auto !important; }
  .filters-row .actions-row { width: 100%; }
}

/* Small phones */
@media (max-width: 380px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .page-content {
    padding: var(--space-sm);
  }
}