/* ===== RESET Y BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Modo claro - Luxury White & Gold */
  --primary: #b8860b;
  --primary-dark: #8b6914;
  --primary-light: #daa520;
  --success: #2e8b57;
  --danger: #b22222;
  --warning: #cd853f;
  --purple: #4b0082;
  
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e8e8e8;
  --gray-300: #d4d4d4;
  --gray-400: #bcbcbc;
  --gray-500: #9e9e9e;
  --gray-600: #757575;
  --gray-700: #505050;
  --gray-800: #383838;
  --gray-900: #202020;
  
  --white: #ffffff;
  --black: #1a1a1a;
  --background: #fafafa;
  --card-bg: #ffffff;
  
  --gold-gradient: linear-gradient(135deg, #b8860b 0%, #daa520 50%, #ffd700 100%);
  --text-primary: #1a1a1a;
  --text-secondary: #505050;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
  
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', sans-serif;
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--background);
}

/* ===== HEADER ===== */
.header {
  background: var(--card-bg);
  padding: calc(12px + var(--safe-top)) var(--space-md) var(--space-md);
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.header__btn {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  padding: var(--space-sm);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.header__btn:active { opacity: 1; }

/* ===== MAIN CONTENT ===== */
.main {
  flex: 1;
  padding: var(--space-md);
  padding-bottom: calc(var(--space-md) + 50px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* ===== SECTION HEADER ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

/* ===== MONTH SELECTOR ===== */
.month-selector {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  background: var(--white);
  border-radius: var(--radius);
  padding: var(--space-sm);
}

.month-btn {
  background: var(--gray-100);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.month-btn:active { background: var(--gray-200); }

.month-label {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
}

/* ===== BALANCE CARD ===== */
.balance-card {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  color: var(--white);
  text-align: center;
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.balance-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.balance-card--mini {
  padding: var(--space-lg);
}

.balance-card--mini .balance-card__amount {
  font-size: 2rem;
}

.balance-card--purple {
  background: linear-gradient(135deg, #8b6914 0%, #b8860b 50%, #daa520 100%);
}

.balance-card__label {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.9;
  margin-bottom: var(--space-sm);
}

.balance-card__amount {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.balance-card__amount.positive {
  color: #ffd700;
}

.balance-card__amount.negative {
  color: #ff6b6b;
}

.balance-card__info--secondary {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: var(--space-sm);
}

.balance-card__info {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
}

.balance-card__extras {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  font-size: 0.8125rem;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.2);
}

/* ===== ARCHIVE NOTICE ===== */
.archive-notice {
  background: var(--warning);
  color: var(--white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

/* ===== CARD ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
}

.card__badge {
  background: var(--gray-200);
  color: var(--gray-600);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
}

/* ===== FORM ===== */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-900);
  background: var(--gray-50);
  transition: all 0.2s;
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.1);
}

.form-input::placeholder {
  color: var(--gray-400);
}

/* Type Selector */
.type-selector {
  display: flex;
  gap: var(--space-sm);
}

.type-btn {
  flex: 1;
  padding: 14px var(--space-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 600;
  background: var(--white);
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.type-btn:active { transform: scale(0.98); }

.type-btn.active {
  border-color: var(--primary);
  background: rgba(0, 122, 255, 0.08);
  color: var(--primary);
}

.type-btn[data-type="gasto"].active {
  border-color: var(--danger);
  background: rgba(255, 69, 58, 0.08);
  color: var(--danger);
}

.type-btn[data-type="ingreso"].active {
  border-color: var(--success);
  background: rgba(52, 209, 88, 0.08);
  color: var(--success);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px var(--space-lg);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  min-height: 50px;
}

.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.btn--primary:active { background: var(--primary-dark); }

.btn--secondary {
  background: var(--gray-200);
  color: var(--gray-700);
}

.btn--danger { background: var(--danger); color: var(--white); }
.btn--ghost { background: transparent; color: var(--primary); }
.btn--block { width: 100%; }
.btn--sm {
  min-height: 40px;
  padding: 10px 16px;
  font-size: 0.875rem;
}

/* ===== TRANSACTION LIST ===== */
.transaction-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.transaction-item {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 8px;
  padding: 10px;
  background: var(--gray-50);
  border-radius: var(--radius);
  transition: background 0.15s ease;
  align-items: center;
}

.transaction-item:active { background: var(--gray-200); }

.transaction-item__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.transaction-item__icon--gasto { background: rgba(255, 69, 58, 0.15); }
.transaction-item__icon--ingreso { background: rgba(52, 209, 88, 0.15); }

.transaction-item__content {
  min-width: 0;
  overflow: hidden;
}

.transaction-item__desc {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.transaction-item__date {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 2px;
}

.transaction-item__amount {
  font-size: 1rem;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.transaction-item__amount--gasto { color: var(--danger); }
.transaction-item__amount--ingreso { color: var(--success); }

.transaction-item__delete {
  background: transparent;
  border: none;
  color: var(--gray-400);
  font-size: 1rem;
  padding: var(--space-sm);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.transaction-item:active .transaction-item__delete,
.transaction-item:hover .transaction-item__delete,
.transaction-item:focus-within .transaction-item__delete {
  opacity: 0.5;
}

.transaction-item__delete:active { opacity: 1; color: var(--danger); }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.empty-state__icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--space-md);
}

.empty-state__text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-xs);
}

.empty-state__hint {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* ===== HISTORY ITEM ===== */
.history-item {
  padding: var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius);
  margin-bottom: var(--space-sm);
}

.history-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.history-item__month {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
}

.history-item__balance {
  font-size: 1.125rem;
  font-weight: 700;
}

.history-item__balance.positive { color: var(--success); }
.history-item__balance.negative { color: var(--danger); }

.history-item__details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.8125rem;
  color: var(--gray-600);
  margin-bottom: var(--space-sm);
}

/* ===== BOTTOM NAVIGATION ===== */
.nav {
  background: var(--card-bg);
  padding: var(--space-sm) var(--space-md);
  padding-bottom: calc(var(--space-sm) + var(--safe-bottom));
  display: flex;
  justify-content: space-around;
  box-shadow: 0 -1px 0 var(--gray-200);
  border-top: 1px solid var(--gray-200);
}

.nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-sm) var(--space-md);
  color: var(--gray-500);
  text-decoration: none;
  font-size: 0.625rem;
  font-weight: 500;
  transition: color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  border-radius: var(--radius);
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.nav__item:active { background: var(--gray-100); }
.nav__item--active { color: var(--primary); }
.nav__icon { font-size: 1.5rem; }

/* Bottom sub-nav (integrated with main nav) */
.nav.sub-nav-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  padding-bottom: calc(var(--space-sm) + var(--safe-bottom));
  gap: var(--space-sm);
  box-shadow: 0 -1px 0 var(--gray-200);
  border-top: 1px solid var(--gray-200);
  z-index: 100;
}

.nav.sub-nav-bottom .nav__item {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
  flex: 1;
  min-width: 0;
}

.nav.sub-nav-bottom .nav__icon {
  font-size: 1.5rem;
}

.nav.sub-nav-bottom .nav__item.active {
  color: var(--primary);
}

.nav.sub-nav-bottom .nav__item.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

/* ===== OFFLINE BANNER ===== */
.offline-banner {
  background: var(--danger);
  color: var(--white);
  padding: var(--space-sm) var(--space-md);
  padding-top: calc(var(--space-sm) + var(--safe-top));
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  display: none;
}

.offline-banner.visible { display: block; }

/* ===== MODAL ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-md);
  padding-top: max(var(--space-xl), env(safe-area-inset-top));
  padding-bottom: max(var(--space-xl), env(safe-area-inset-bottom));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.modal.visible { 
  display: flex; 
}

/* Lock body scroll when modal is open - usar CSS cuando cualquier modal tenga clase visible */
body:has(.modal.visible) {
  overflow: hidden;
  position: fixed;
  width: 100%;
  touch-action: none;
}

/* Alternativa sin :has para Safari más viejo */
body.modal-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  touch-action: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  max-width: 340px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  box-shadow: var(--shadow-lg);
  text-align: center;
  margin: auto 0;
}

.modal__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.modal__actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.modal__actions .btn { flex: 1; }

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }

/* Hide scrollbar */
::-webkit-scrollbar { width: 0; height: 0; display: none; }

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.transaction-item { animation: fadeIn 0.3s ease; }

/* ===== SECTION HEADER ===== */
.section-header__actions {
  display: flex;
  gap: var(--space-sm);
}

/* ===== DEBT GROUP ===== */
.debt-group {
  margin-bottom: var(--space-md);
}

.debt-group:last-child {
  margin-bottom: 0;
}

.debt-group__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--gray-100);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--gray-700);
  margin-bottom: var(--space-sm);
}

.debt-group__total {
  color: var(--danger);
  font-weight: 700;
}

/* ===== COBRO ITEM ===== */
.cobro-item {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  border-left: 4px solid #b8860b;
}

.cobro-item:last-child {
  margin-bottom: 0;
}

.cobro-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xs);
}

.cobro-item__deudor {
  font-weight: 700;
  color: var(--text);
}

.cobro-item__categoria {
  font-size: 0.75rem;
  padding: 2px 8px;
  background: rgba(184, 134, 11, 0.15);
  color: #b8860b;
  border-radius: var(--radius);
}

.cobro-item__concepto {
  color: var(--text);
  margin-bottom: var(--space-xs);
}

.cobro-item__details {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: var(--space-xs);
}

.cobro-item__cuotas {
  font-weight: 600;
}

.cobro-item__monto {
  color: #34c759;
  font-weight: 600;
}

.cobro-item__status {
  font-size: 0.875rem;
  color: var(--warning);
  margin-bottom: var(--space-sm);
}

.cobro-item__status--complete {
  color: var(--success);
}

.cobro-item__actions {
  display: flex;
  gap: var(--space-xs);
}

.cobro-item__actions .btn {
  flex: 1;
}

/* Dark mode for cobro-item */
body.dark-mode .cobro-item {
  background: var(--gray-800);
}

body.dark-mode .cobro-item__deudor,
body.dark-mode .cobro-item__concepto {
  color: var(--gray-100);
}

body.dark-mode .cobro-item__details {
  color: var(--gray-400);
}

/* ===== CARD ITEM ===== */
.card-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius);
  margin-bottom: var(--space-sm);
}

.card-item:last-child {
  margin-bottom: 0;
}

.delete-card-btn {
  background: transparent;
  border: none;
  font-size: 1rem;
  padding: var(--space-xs);
  cursor: pointer;
  opacity: 0.6;
}

.delete-card-btn:active { opacity: 1; }

/* ===== EDIT BUTTON (⋮) ===== */
.edit-debt-btn {
  background: var(--gray-300);
  border: none;
  width: 32px;
  min-width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s, background 0.2s;
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.transaction-item:active .edit-debt-btn,
.transaction-item:hover .edit-debt-btn,
.transaction-item:focus-within .edit-debt-btn,
.edit-debt-btn.visible {
  opacity: 0.5;
}

.transaction-item:active .edit-debt-btn,
.transaction-item:hover .edit-debt-btn,
.transaction-item:focus-within .edit-debt-btn,
.edit-debt-btn.visible {
  opacity: 0.5;
}

.edit-debt-btn:active {
  opacity: 1;
  background: var(--primary);
  color: var(--white);
}

.transaction-item:active .edit-debt-btn {
  opacity: 1;
}

/* ===== SELECT INPUT ===== */
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238e8e93' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ===== DARK MODE - Luxury Black & Gold ===== */
body.dark-mode {
  /* Dark mode grays - deeper blacks */
  --gray-50: #0a0a0a;
  --gray-100: #121212;
  --gray-200: #1e1e1e;
  --gray-300: #2a2a2a;
  --gray-400: #3a3a3a;
  --gray-500: #5a5a5a;
  --gray-600: #8a8a8a;
  --gray-700: #b0b0b0;
  --gray-800: #d0d0d0;
  --gray-900: #f0f0f0;
  
  /* Luxury dark palette */
  --white: #0f0f0f;
  --black: #000000;
  --background: #0a0a0a;
  --card-bg: #141414;
  --text-primary: #f5f5f5;
  --text-secondary: #a0a0a0;
  
  /* Gold accents for dark mode */
  --primary: #daa520;
  --primary-dark: #b8860b;
  --primary-light: #ffd700;
}

body.dark-mode {
  background: var(--gray-100);
  color: var(--gray-900);
}

body.dark-mode .app {
  background: var(--gray-100);
}

body.dark-mode .header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--gray-200);
}

body.dark-mode .nav {
  background: var(--card-bg);
  border-top: 1px solid var(--gray-200);
}

body.dark-mode .card {
  background: var(--card-bg);
  border: 1px solid var(--gray-200);
}

body.dark-mode .balance-card {
  background: var(--card-bg);
  border: 1px solid var(--gray-200);
}

body.dark-mode .balance-card--mini {
  background: var(--card-bg);
  color: var(--gray-900);
}

body.dark-mode .month-selector {
  background: var(--card-bg);
}

body.dark-mode .modal__content {
  background: var(--card-bg);
  border: 1px solid var(--gray-200);
}

body.dark-mode .transaction-item {
  background: var(--gray-200);
}

body.dark-mode .history-item {
  background: var(--gray-200);
}

body.dark-mode .card-item {
  background: var(--gray-200);
}

body.dark-mode .debt-group__header {
  background: var(--gray-200);
}

body.dark-mode .form-input {
  background: var(--gray-200);
  border-color: var(--gray-300);
  color: var(--gray-900);
}

body.dark-mode .modal__backdrop {
  background: rgba(0, 0, 0, 0.85);
}

body.dark-mode .section-title,
body.dark-mode .card__title,
body.dark-mode .balance-card__label,
body.dark-mode .balance-card__amount {
  color: var(--gray-900);
}

body.dark-mode .text-muted {
  color: var(--gray-600);
}

body.dark-mode { background: var(--gray-100); color: var(--gray-900); }
body.dark-mode .app { background: var(--gray-100); }
body.dark-mode .header { background: var(--white); }
body.dark-mode .nav { background: var(--white); }
body.dark-mode .card { background: var(--white); }
body.dark-mode .balance-card--mini { background: var(--white); color: var(--gray-900); }
body.dark-mode .month-selector { background: var(--white); }
body.dark-mode .modal__content { background: var(--white); }
body.dark-mode .transaction-item { background: var(--gray-50); }
body.dark-mode .history-item { background: var(--gray-50); }
body.dark-mode .card-item { background: var(--gray-50); }
body.dark-mode .debt-group__header { background: var(--gray-50); }
body.dark-mode .form-input { background: var(--gray-50); border-color: var(--gray-300); color: var(--gray-900); }
body.dark-mode .modal__backdrop { background: rgba(0, 0, 0, 0.7); }

/* ===== HAMBURGER MENU ===== */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 200;
  display: none;
  opacity: 0;
  transition: opacity 0.3s;
}

.menu-overlay.visible {
  display: block;
  opacity: 1;
}

.hamburger-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  background: var(--white);
  z-index: 201;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.hamburger-menu.visible {
  transform: translateX(0);
}

.menu-header {
  padding: calc(20px + var(--safe-top)) var(--space-md) var(--space-md);
  border-bottom: 1px solid var(--gray-200);
  background: var(--white);
}

.menu-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
}

.menu-content {
  padding: var(--space-md);
  flex: 1;
  overflow-y: auto;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  padding: var(--space-md);
  border: none;
  background: transparent;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  margin-bottom: var(--space-xs);
  transition: background 0.15s ease;
}

.menu-item:active {
  background: var(--gray-100);
}

.menu-item.active {
  background: var(--primary);
  color: var(--white);
}

.menu-icon {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
}

/* ===== QUICK ACCESS GRID ===== */
.quick-access-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.quick-access-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-sm);
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.quick-access-card:active {
  background: var(--gray-100);
  transform: scale(0.98);
}

.quick-access-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.quick-access-label {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--gray-700);
  text-align: center;
}

/* Dark mode for menu */
body.dark-mode .hamburger-menu {
  background: var(--gray-800);
}

body.dark-mode .menu-header {
  border-color: var(--gray-700);
}

body.dark-mode .menu-title,
body.dark-mode .menu-item {
  color: var(--gray-900);
}

body.dark-mode .menu-item:active {
  background: var(--gray-700);
}

body.dark-mode .menu-item.active {
  background: rgba(0, 122, 255, 0.2);
}

/* ===== SUB-NAVIGATION ===== */
.sub-nav {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.sub-nav__item {
  flex: 1;
  min-width: 70px;
  padding: var(--space-sm) var(--space-xs);
  border: none;
  background: transparent;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-600);
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.sub-nav__item:active {
  background: var(--gray-100);
}

.sub-nav__item.active {
  background: var(--primary);
  color: var(--white);
}

body.dark-mode .sub-nav {
  background: var(--gray-800);
  border-color: var(--gray-700);
}

body.dark-mode .sub-nav__item {
  color: var(--gray-400);
}

body.dark-mode .sub-nav__item:active {
  background: var(--gray-700);
}

/* ===== INDICADORES ECONÓMICOS ===== */

.indicators-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.indicator-item {
  display: flex;
  flex-direction: column;
  padding: var(--space-sm) var(--space-md);
  background: var(--gray-100);
  border-radius: var(--radius);
  text-align: center;
}

body.dark-mode .indicator-item {
  background: var(--gray-800);
}

.indicator-item__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.indicator-item__value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 2px;
}

.indicator-item__value:empty::after {
  content: '...';
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Botón ghost para refresh */
.btn--ghost {
  background: transparent;
  border: 1px solid var(--gray-300);
  color: var(--text-secondary);
}

body.dark-mode .btn--ghost {
  border-color: var(--gray-600);
  color: var(--gray-400);
}

/* ===== CONVERSOR DE MONEDAS ===== */

.converter-swap {
  display: flex;
  justify-content: center;
  margin: var(--space-sm) 0;
}

.converter-result {
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: var(--space-md);
  text-align: center;
  margin-top: var(--space-sm);
}

body.dark-mode .converter-result {
  background: var(--gray-800);
}

.converter-result__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
}

.currency-selector select {
  width: 100%;
}

/* ===== TASAS DE CAMBIO ===== */

.rates-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.rate-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm);
  background: var(--gray-100);
  border-radius: var(--radius);
}

body.dark-mode .rate-item {
  background: var(--gray-800);
}

.rate-item__value {
  font-weight: 600;
  color: var(--primary);
}

/* ===== UTILIDADES ===== */

.text-sm {
  font-size: 0.875rem;
}

.mt-1 {
  margin-top: var(--space-sm);
}

.mt-2 {
  margin-top: var(--space-md);
}

.mb-2 {
  margin-bottom: var(--space-md);
}

/* ===== BALANCE CARD VARIANTS ===== */

.balance-card--green {
  background: linear-gradient(135deg, #34c759 0%, #30d158 100%);
  color: white;
}

.balance-card--green .balance-card__amount {
  color: white;
}

.balance-card--green .balance-card__info span {
  color: rgba(255,255,255,0.9);
}

/* ===== SAVINGS ACCOUNTS ===== */

.accounts-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.account-item {
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--gray-100);
  border-radius: var(--radius);
  gap: var(--space-sm);
}

body.dark-mode .account-item {
  background: var(--gray-800);
}

.account-item__color {
  width: 8px;
  height: 40px;
  border-radius: 4px;
  flex-shrink: 0;
}

.account-item__content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.account-item__name {
  font-weight: 600;
  color: var(--text-primary);
}

.account-item__balance {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.account-item__actions {
  display: flex;
  gap: 4px;
}

.btn-action {
  background: transparent;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.2s;
}

.btn-action:hover {
  background: var(--gray-200);
}

body.dark-mode .btn-action:hover {
  background: var(--gray-700);
}

/* ===== SAVINGS GOALS ===== */

.goals-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.goal-item {
  padding: var(--space-md);
  background: var(--gray-100);
  border-radius: var(--radius);
}

body.dark-mode .goal-item {
  background: var(--gray-800);
}

.goal-item--completed {
  opacity: 0.7;
}

.goal-item__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.goal-item__icon {
  font-size: 1.25rem;
}

.goal-item__name {
  flex: 1;
  font-weight: 600;
  color: var(--text-primary);
}

.goal-item__percentage {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.875rem;
}

.goal-item__progress {
  margin-bottom: var(--space-xs);
}

.progress-bar {
  height: 12px;
  background: var(--gray-200);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

body.dark-mode .progress-bar {
  background: var(--gray-700);
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 6px;
  transition: width 0.5s ease;
}

.goal-item__amounts {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.goal-item__completed-badge {
  background: var(--success);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

/* ===== COLOR & ICON PICKERS ===== */

.color-picker, .icon-picker {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.color-option {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform 0.2s;
}

.color-option.active {
  border-color: var(--text-primary);
  transform: scale(1.1);
}

.icon-option {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 2px solid var(--gray-200);
  background: transparent;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
}

body.dark-mode .icon-option {
  border-color: var(--gray-600);
}

.icon-option.active {
  border-color: var(--primary);
  background: rgba(0, 122, 255, 0.1);
}

/* Delete button for completed goals */
.btn-action--delete {
  opacity: 0.5;
}

.btn-action--delete:hover {
  opacity: 1;
}

/* ===== NOTICIAS ===== */

.news-selector {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.news-selector--3 .news-source-btn {
  font-size: 0.75rem;
  padding: var(--space-sm);
}

.news-source-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--gray-300);
  background: transparent;
  border-radius: var(--radius);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

body.dark-mode .news-source-btn {
  border-color: var(--gray-600);
  color: var(--gray-400);
}

.news-source-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: flex;
  align-items: center;
  padding: var(--space-md);
  border-bottom: 1px solid var(--gray-200);
  gap: var(--space-sm);
  text-decoration: none;
  color: inherit;
}

body.dark-mode .news-item {
  border-color: var(--gray-700);
}

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

.news-item--link {
  cursor: pointer;
}

.news-item--link:hover {
  background: var(--gray-100);
}

body.dark-mode .news-item--link:hover {
  background: var(--gray-800);
}

.news-item__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.news-item__title {
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.3;
}

.news-item__meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.news-item__arrow {
  color: var(--text-secondary);
  font-size: 1.25rem;
}

/* ===== LOGIN SCREEN ===== */
.login-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--background);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: var(--space-lg);
}

.login-screen.hidden {
  display: none;
}

.login-container {
  text-align: center;
  max-width: 320px;
  width: 100%;
}

.login-logo {
  font-size: 5rem;
  margin-bottom: var(--space-md);
}

.login-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.login-subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.login-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.login-btn:active {
  transform: scale(0.98);
}

.login-btn-google {
  background: var(--white);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.login-btn-google:hover {
  box-shadow: var(--shadow-lg);
}

.login-btn-email {
  background: var(--primary);
  color: var(--white);
  border: none;
}

.login-btn-email:hover {
  background: var(--primary-dark);
}

.login-btn-primary {
  background: var(--primary);
  color: var(--white);
  border: none;
}

.login-btn-secondary {
  background: var(--gray-200);
  color: var(--text-primary);
  border: none;
}

.login-btn-anon {
  background: var(--gray-100);
  color: var(--text-primary);
  border: 1px solid var(--gray-300);
}

/* Email form */
.login-email-form {
  margin-top: var(--space-lg);
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
}

.login-input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 1rem;
}

.login-email-buttons {
  display: flex;
  gap: var(--space-sm);
}

.login-email-buttons .login-btn {
  flex: 1;
}

.login-back-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
  cursor: pointer;
}

.login-btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.login-btn-icon img {
  width: 18px;
  height: 18px;
}

.login-note {
  margin-top: var(--space-xl);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ===== MENU USER INFO ===== */
.menu-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: var(--space-sm);
}

.menu-user-name {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.menu-logout-btn {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--space-xs);
  opacity: 0.7;
  transition: opacity 0.2s;
}

.menu-logout-btn:hover {
  opacity: 1;
}

/* Dark mode login */
@media (prefers-color-scheme: dark) {
  .login-screen {
    background: var(--gray-900);
  }
  
  .login-title {
    color: var(--white);
  }
}