:root {
  --color-bg: #eceff1;
  --color-surface: #f5f6f7;
  --color-surface-alt: #e4e7e9;
  --color-text: #37474f;
  --color-text-muted: #78909c;
  --color-border: #cfd8dc;
  --color-primary: #455a64;
  --color-primary-hover: #37474f;
  --color-accent: #2bb673;
  --color-accent-dark: #229361;
  --color-expense: #ef5350;
  --color-expense-dark: #c62828;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
}

.navbar {
  background-color: var(--color-surface) !important;
  border-bottom: 1px solid var(--color-border);
}

.navbar-brand {
  color: var(--color-text) !important;
}

.navbar-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.text-muted {
  color: var(--color-text-muted) !important;
}

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

.btn-google:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-text);
}

.btn-outline-secondary {
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-outline-secondary:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-surface);
}

.avatar-fallback {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.login-page {
  min-height: 90vh;
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 2.5rem 2rem;
  box-shadow: 0 12px 32px rgba(55, 71, 79, 0.1);
}

.brand-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
}

.btn-google {
  font-weight: 500;
  transition: box-shadow 0.2s ease, transform 0.1s ease;
}

.btn-google:hover {
  box-shadow: 0 4px 12px rgba(55, 71, 79, 0.12);
}

.btn-google:active {
  transform: scale(0.99);
}

.pb-nav {
  padding-bottom: 4.5rem !important;
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 1030;
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 0.5rem 0;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.bottom-nav-item i {
  font-size: 1.25rem;
}

.bottom-nav-item.active {
  color: var(--color-accent);
}

.account-section-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  padding: 1rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
}

.account-section-toggle .bi-chevron-down {
  transition: transform 0.2s ease;
  color: var(--color-text-muted);
}

.account-section-toggle[aria-expanded="true"] .bi-chevron-down {
  transform: rotate(180deg);
}

.form-check-input:checked {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.form-check-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 0.25rem rgba(43, 182, 115, 0.25);
}

.side-menu {
  width: 85%;
  max-width: 320px;
  background-color: var(--color-accent);
  color: #ffffff;
}

.side-menu .offcanvas-title {
  color: #ffffff;
}

.side-menu .offcanvas-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.side-menu-logo {
  width: 40px;
  height: 40px;
  margin: 0;
  flex-shrink: 0;
  font-size: 1.1rem;
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.side-menu-subtitle {
  display: block;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}

.side-menu-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 0.25rem;
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  text-align: left;
  width: 100%;
}

.side-menu-link i {
  font-size: 1.1rem;
  width: 1.25rem;
  text-align: center;
}

.side-menu-link:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.category-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 1.25rem 0 0.5rem;
}

.category-list {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  overflow: hidden;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.9rem;
  background-color: var(--color-surface);
  color: var(--color-text);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

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

.category-item-editable {
  cursor: pointer;
}

.category-item-editable:hover {
  background-color: var(--color-surface-alt);
}

.fab {
  position: fixed;
  right: 1.25rem;
  bottom: calc(5.5rem + env(safe-area-inset-bottom));
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  font-size: 1.5rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  box-shadow: 0 6px 16px rgba(43, 182, 115, 0.4);
  z-index: 1025;
}

.fab:active {
  transform: scale(0.96);
}

.category-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.icon-picker,
.color-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.icon-option {
  width: 38px;
  height: 38px;
  border-radius: 0.375rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.icon-option.active {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(43, 182, 115, 0.25);
}

.color-option {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
}

.color-option.active {
  border-color: var(--color-text);
  box-shadow: 0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-text);
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background-color: var(--color-border);
  transition: width 0.2s ease, background-color 0.2s ease;
}

.step-dot.active {
  width: 24px;
  background-color: var(--color-accent);
}

.amount-display {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.numpad-btn {
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  border-radius: 0.5rem;
  font-size: 1.4rem;
  font-weight: 600;
  padding: 1rem 0;
  color: var(--color-text);
}

.numpad-btn:active {
  background-color: var(--color-surface-alt);
}

.category-pick {
  cursor: pointer;
}

.category-pick:hover {
  background-color: var(--color-surface-alt);
}

.category-pick.selected {
  background-color: rgba(43, 182, 115, 0.12);
}

.receita-total-card {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #ffffff;
  border: none;
}

.receita-total-card small {
  color: rgba(255, 255, 255, 0.85);
}

.despesa-total-card {
  background: linear-gradient(135deg, var(--color-expense), var(--color-expense-dark));
  color: #ffffff;
  border: none;
}

.despesa-total-card small {
  color: rgba(255, 255, 255, 0.85);
}

.balance-total-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: #ffffff;
  border: none;
}

.balance-total-card small {
  color: rgba(255, 255, 255, 0.7);
}

.fab-expense {
  background: linear-gradient(135deg, var(--color-expense), var(--color-expense-dark));
  box-shadow: 0 6px 16px rgba(239, 83, 80, 0.4);
}

.theme-expense .form-check-input:checked {
  background-color: var(--color-expense);
  border-color: var(--color-expense);
}

.theme-expense .form-check-input:focus {
  border-color: var(--color-expense);
  box-shadow: 0 0 0 0.25rem rgba(239, 83, 80, 0.25);
}

.theme-expense .category-pick.selected {
  background-color: rgba(239, 83, 80, 0.12);
}

.theme-expense .category-pick .category-check.text-success {
  color: var(--color-expense) !important;
}

.badge-pending {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  background-color: var(--color-surface-alt);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
}

/* ── ISA chat ──────────────────────────────────────────── */
.isa-page {
  position: fixed;
  left: 0;
  right: 0;
  top: 56px;
  bottom: 72px;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  z-index: 5;
}

.isa-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.isa-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.isa-message {
  display: flex;
}

.isa-message-user {
  justify-content: flex-end;
}

.isa-message-assistant {
  justify-content: flex-start;
}

.isa-bubble {
  max-width: 82%;
  padding: 0.6rem 0.9rem;
  border-radius: 1rem;
  font-size: 0.9rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.isa-message-user .isa-bubble {
  background-color: var(--color-accent);
  color: #fff;
  border-bottom-right-radius: 0.25rem;
}

.isa-message-assistant .isa-bubble {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 0.25rem;
}

.isa-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
}

.isa-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.isa-suggestion {
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  cursor: pointer;
}

.isa-suggestion:hover {
  background-color: var(--color-surface-alt);
}

.isa-typing {
  display: flex;
  gap: 4px;
  align-items: center;
}

.isa-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-text-muted);
  animation: isa-bounce 1.2s infinite ease-in-out;
}

.isa-typing span:nth-child(2) {
  animation-delay: 0.2s;
}

.isa-typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes isa-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.isa-input-bar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg);
}

.isa-input-bar .form-control {
  border-radius: 999px;
}

.isa-send-btn {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 1.1rem;
}

.isa-send-btn:active {
  transform: scale(0.96);
}