/* ===== CSS Variables ===== */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --chi: #ef4444;
  --thu: #22c55e;
  --chuyen: #3b82f6;
  --chi-ho: #eab308;
  --border: #334155;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e2e8f0;
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --border: #cbd5e1;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== App Layout ===== */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 430px;
  margin: 0 auto;
  background: var(--bg-primary);
  position: relative;
}

/* ===== Header ===== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(12px + var(--safe-top)) 16px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:active {
  background: var(--bg-tertiary);
}

/* ===== Main Content ===== */
#main-content {
  flex: 1;
  padding-bottom: calc(85px + var(--safe-bottom));
}

#main-content::-webkit-scrollbar {
  display: none;
}

.view {
  display: none;
  padding: 16px;
}

.view.active {
  display: block;
}

/* ===== Summary Cards ===== */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 12px 10px;
  border: 1px solid var(--border);
}

.card-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.card-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-amount {
  font-size: 0.8rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.card-amount.chi {
  color: var(--chi);
}

.card-amount.thu {
  color: var(--thu);
}

/* ===== Section ===== */
.section {
  margin-bottom: 24px;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== Wallets List ===== */
.wallets-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wallet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.wallet-item:hover {
  background: var(--bg-secondary);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-1px);
}

.wallet-item:active {
  transform: translateY(0) scale(0.98);
}

.wallet-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wallet-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.wallet-icon.cash {
  background: #166534;
}

.wallet-icon.bank {
  background: #1e3a5f;
}

.wallet-icon.ewallet {
  background: #7c3aed;
}

.wallet-name {
  font-weight: 500;
  font-size: 0.9rem;
}

.wallet-type {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.wallet-balance {
  font-weight: 700;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

/* ===== Chart ===== */
.chart-container {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 16px;
  border: 1px solid var(--border);
  position: relative;
  height: 260px;
}

/* ===== Bottom Nav ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translate3d(-50%, 0, 0);
  width: 100%;
  max-width: 430px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 6px 0 calc(6px + var(--safe-bottom));
  z-index: 100;
  will-change: transform;
}

.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.65rem;
  cursor: pointer;
  padding: 4px 12px;
  flex: 1;
}

.nav-btn .material-icons {
  font-size: 22px;
}

.nav-btn.active {
  color: var(--accent-light);
}

.nav-fab-wrapper {
  position: relative;
  top: -20px;
}

.nav-fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid var(--bg-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.nav-fab:active {
  transform: scale(0.95);
}

.nav-fab .material-icons {
  font-size: 28px;
}

/* ===== Transaction Form ===== */
.form-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.btn-back {
  background: var(--bg-tertiary);
  border: none;
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.transaction-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hidden {
  display: none !important;
}

/* Type Selector */
.type-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 8px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.type-btn .material-icons {
  font-size: 24px;
}

.type-btn.active {
  border-color: var(--accent);
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.1);
}

.ewallet-type-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ewallet-type-btn.active {
  border-color: var(--accent);
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.1);
}

.type-btn[data-type="CHI"].active {
  border-color: var(--chi);
  color: var(--chi);
  background: rgba(239, 68, 68, 0.1);
}

.type-btn[data-type="THU"].active {
  border-color: var(--thu);
  color: var(--thu);
  background: rgba(34, 197, 94, 0.1);
}

.type-btn[data-type="CHUYEN"].active {
  border-color: var(--chuyen);
  color: var(--chuyen);
  background: rgba(59, 130, 246, 0.1);
}

/* Amount Input */
.amount-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  height: 56px;
}

.amount-input-wrapper:focus-within {
  border-color: var(--accent);
}

#tx-amount {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  outline: none;
}

#tx-amount::placeholder {
  color: var(--text-muted);
}

.currency {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-muted);
}

.amount-preview {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-height: 18px;
}

/* Inputs */
input[type="text"],
input[type="number"],
input[type="date"],
input[type="search"],
select {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  width: 100%;
}

input:focus,
select:focus {
  border-color: var(--accent);
}

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

/* Payment & Category Grid */
.payment-grid,
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.payment-item,
.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 4px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.payment-item .cat-icon,
.category-item .cat-icon {
  font-size: 1.8rem;
  line-height: 1;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.payment-item .cat-icon img,
.category-item .cat-icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 50%;
  /* Force circularity if it was poorly cropped */
}

.payment-item.selected,
.category-item.selected {
  border-color: var(--accent);
  color: var(--accent-light);
  background: rgba(59, 130, 246, 0.1);
}

.payment-item:active,
.category-item:active {
  transform: scale(0.96);
}

/* Submit Button */
.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

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

/* ===== Receipt View ===== */
.receipt-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  margin-bottom: 24px;
}

.receipt-amount {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 24px;
  font-variant-numeric: tabular-nums;
}

.receipt-amount.chi {
  color: var(--chi);
}

.receipt-amount.thu {
  color: var(--thu);
}

.receipt-amount.chuyen {
  color: var(--chuyen);
}

.receipt-amount.chi_ho {
  color: var(--chi-ho);
}

/* ===== History Week & Daily View ===== */
.history-week {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 16px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px dashed var(--border);
}

.day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: opacity 0.2s;
}

.day-header:active {
  opacity: 0.7;
}

/* Daily View */
#view-daily {
  padding: 0;
}

.daily-summary-container {
  padding: 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.daily-add-btn-container {
  position: sticky;
  bottom: calc(16px + var(--safe-bottom));
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.btn-daily-add {
  pointer-events: auto;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 24px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
  cursor: pointer;
  transition: transform 0.2s;
}

.btn-daily-add:active {
  transform: scale(0.95);
}

/* Drag and Drop Interactions */
.tx-item[draggable="true"] {
  cursor: grab;
}

.tx-item[draggable="true"]:active {
  cursor: grabbing;
}

.tx-item.dragging {
  opacity: 0.5;
  background: var(--bg-tertiary) !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px dashed var(--border);
}

.receipt-row:last-child {
  border-bottom: none;
}

.receipt-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.receipt-value {
  font-weight: 500;
  font-size: 1rem;
  text-align: right;
  max-width: 65%;
  word-break: break-word;
}

.receipt-actions {
  display: flex;
  gap: 12px;
}

.receipt-actions button {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  font-size: 1rem;
}

.btn-secondary.danger {
  color: var(--chi);
}

/* ===== History ===== */
.history-header {
  margin-bottom: 16px;
}

.history-header h2 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.history-filters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.history-filters select {
  font-size: 0.9rem;
  /* Anh có thể chỉnh số này bé/lớn hơn tùy ý, VD: 0.75rem */
  padding: 6px 8px;
  /* Độ rộng viền đệm bên trong nút */
}

.history-week-container .history-day {
  background: var(--bg-card);
  border: 1.5px solid rgba(16, 185, 129, 0.22);
  /* Viền xanh lá cây nhạt */
  padding: 12px 14px;
  border-radius: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
}

.history-week-container .history-day:last-child {
  margin-bottom: 0;
}

.history-week-container:last-child .week-divider {
  display: none;
}

.search-input {
  margin-bottom: 12px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.history-day {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}

.day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.day-date {
  font-weight: 600;
  font-size: 0.9rem;
}

.day-totals {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
}

.tx-amount.chi,
.day-totals .chi {
  color: var(--chi);
}

.tx-amount.thu,
.day-totals .thu {
  color: var(--thu);
}

.tx-amount.cam,
.day-totals .cam {
  color: #f97316;
}

.tx-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  position: relative;
}

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

.tx-item:active {
  background: var(--bg-tertiary);
}

.tx-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.tx-icon.thu {
  background: var(--thu);
  color: var(--bg-primary);
}

.tx-icon.chi {
  background: var(--chi);
  color: var(--bg-primary);
}

.tx-icon.chuyen {
  background: var(--chuyen);
  color: var(--bg-primary);
}

.tx-icon.chi_ho {
  background: var(--chi-ho);
  color: var(--bg-primary);
}

.tx-details {
  flex: 1;
  min-width: 0;
}

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

.tx-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.tx-amount {
  font-weight: 700;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.tx-amount.chi {
  color: var(--chi);
}

.tx-amount.thu {
  color: var(--thu);
}

.tx-amount.chuyen {
  color: var(--chuyen);
}

.amount-preview.chi {
  color: var(--chi);
}

.amount-preview.thu {
  color: var(--thu);
}

.amount-preview.chuyen {
  color: var(--chuyen);
}

.amount-preview.chi_ho {
  color: var(--chi-ho);
}

/* ===== Stats ===== */
.time-range-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.range-btn {
  flex: 1;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.range-btn.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent);
  border-color: rgba(59, 130, 246, 0.3);
}

.range-btn:hover {
  background: rgba(59, 130, 246, 0.05);
}

.custom-range-picker {
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: slideDownCustomRange 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDownCustomRange {
  from {
    transform: translateY(-8px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.custom-range-picker.hidden {
  display: none !important;
}

.stats-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-btn {
  flex: 1;
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.stats-chart-container {
  height: 300px;
  margin-bottom: 16px;
}

.stats-summary {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* ===== Settings ===== */
.settings-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.settings-section h3 {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.settings-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 8px;
  text-align: left;
}

.settings-btn .material-icons {
  color: var(--accent-light);
}

.settings-btn.danger {
  color: var(--chi);
}

.settings-btn.danger .material-icons {
  color: var(--chi);
}

.settings-btn:active {
  background: var(--bg-tertiary);
}

.form-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-tertiary);
  border-radius: 26px;
  transition: 0.3s;
}

.toggle-slider::before {
  content: "";
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.3s;
}

.toggle-switch input:checked+.toggle-slider {
  background: var(--accent);
}

.toggle-switch input:checked+.toggle-slider::before {
  transform: translateX(22px);
}

/* Settings items */
.settings-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.settings-item-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.settings-item-name {
  font-weight: 500;
}

.settings-item-balance {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.settings-item-actions {
  display: flex;
  gap: 4px;
}

.settings-item-actions button {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 6px;
  cursor: pointer;
  border-radius: 50%;
}

.settings-item-actions button:active {
  background: var(--bg-tertiary);
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: calc(90px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  z-index: 200;
  opacity: 0;
  transition: all 0.3s;
  white-space: nowrap;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.error {
  background: #fef2f2;
  color: #ef4444;
  border-color: #fee2e2;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
}

[data-theme="dark"] .toast.error {
  background: #2d1616;
  color: #fca5a5;
  border-color: #4c1d1d;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal.show {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 24px;
  width: 90%;
  max-width: 340px;
  border: 1px solid var(--border);
}

.modal-content h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.modal-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.btn-secondary,
.btn-primary {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

/* ===== Danger Zone ===== */
.danger-zone {
  margin-top: 10px;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state .material-icons {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.view.active {
  animation: fadeIn 0.2s ease;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border);
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

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

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

/* ===== Settings Sub-pages & Menu ===== */
.settings-page {
  display: flex;
  flex-direction: column;
  animation: slideInSettings 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.settings-page.hidden {
  display: none !important;
}

@keyframes slideInSettings {
  from {
    transform: translateX(20px);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.settings-menu-list {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  margin: 0;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.settings-menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}

.settings-menu-item:last-child {
  border-bottom: 1px solid var(--border);
}

.settings-menu-item:hover {
  background: var(--bg-secondary);
  border-color: rgba(59, 130, 246, 0.2);
  transform: translateY(-1px);
}

.settings-menu-item:active {
  transform: translateY(0) scale(0.98);
}

.settings-menu-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.settings-menu-left .menu-icon {
  font-size: 22px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .settings-menu-left .menu-icon {
  background: rgba(0, 0, 0, 0.03);
}

.menu-text {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.menu-chevron {
  color: var(--text-muted);
  font-size: 20px !important;
}

.settings-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 8px;
  font-family: inherit;
}

.settings-btn:first-child {
  margin-top: 0;
}

.settings-btn:hover {
  background: rgba(59, 130, 246, 0.08);
}

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

.settings-btn .material-icons {
  font-size: 20px;
  color: var(--accent);
}

.settings-btn.danger {
  color: var(--chi);
  border-color: rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.05);
}

.settings-btn.danger .material-icons {
  color: var(--chi);
}

.settings-btn.danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.settings-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

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

.settings-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 8px;
}

.settings-item:first-child {
  margin-top: 0;
}

.settings-item .material-icons {
  font-size: 20px;
  color: var(--accent);
}

.settings-item .switch {
  margin-left: auto;
}

.settings-item-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.settings-item-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.settings-item-balance {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.settings-item-actions {
  display: flex;
  gap: 4px;
}

.settings-item-actions button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
  transition: background 0.15s, transform 0.1s;
}

.settings-item-actions button:hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .settings-item-actions button:hover {
  background: rgba(0, 0, 0, 0.04);
}

.settings-item-actions button:active {
  transform: scale(0.9);
}

/* ===== Pull to Refresh ===== */
.pull-refresh {
  position: absolute;
  top: 50px;
  left: 0;
  width: 100%;
  height: 0;
  min-height: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  z-index: 95;
  transition: opacity 0.2s ease;
  opacity: 0;
  pointer-events: none;
}

.pull-refresh.active {
  opacity: 1;
}

.pull-refresh .spinner {
  background: var(--bg-secondary);
  color: var(--accent-light);
  font-size: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  transition: transform 0.1s linear;
}

.pull-refresh.loading .spinner {
  animation: spin-refresh 0.8s infinite linear;
}

@keyframes spin-refresh {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* ===== 1.7 Privacy Blur Overlay ===== */
#privacy-blur {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
}

#privacy-blur.active {
  display: flex;
}

#privacy-blur .material-icons {
  font-size: 48px;
  color: var(--accent);
}

#privacy-blur span:last-child {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== 1.6 Auto-lock Overlay ===== */
#autolock-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99998;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}

#autolock-overlay.active {
  display: flex;
}

#autolock-overlay .lock-icon {
  font-size: 56px;
  color: var(--accent);
}

#autolock-overlay .lock-title {
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 600;
}

#autolock-overlay input {
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 1rem;
  width: 260px;
  text-align: center;
  outline: none;
}

#autolock-overlay input:focus {
  border-color: var(--accent);
}

#autolock-overlay button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

#autolock-overlay .lock-error {
  color: var(--chi);
  font-size: 0.85rem;
  min-height: 20px;
}

/* ===== 1.11 Rate Limit Banner ===== */
.rate-limit-banner {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--chi);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* ===== 2.7 Swipe Actions ===== */
.tx-item-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.tx-swipe-actions {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  display: flex;
  align-items: stretch;
  transform: translateX(100%);
  transition: transform 0.2s ease;
  z-index: 2;
}

.tx-swipe-actions .swipe-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  border: none;
  color: #fff;
  font-size: 0.75rem;
  flex-direction: column;
  gap: 2px;
  cursor: pointer;
}

.tx-swipe-actions .swipe-btn .material-icons {
  font-size: 20px;
}

.swipe-btn-edit {
  background: var(--accent);
}

.swipe-btn-copy {
  background: #8b5cf6;
}

.swipe-btn-delete {
  background: var(--chi);
}

.tx-item-wrapper.swiped .tx-swipe-actions {
  transform: translateX(0);
}

.tx-item-wrapper .tx-item-inner {
  position: relative;
  z-index: 3;
  background: var(--bg-card);
  transition: transform 0.2s ease;
}

.tx-item-wrapper.swiped .tx-item-inner {
  transform: translateX(-192px);
}

/* ===== 2.10 Long-press Context Menu ===== */
.context-menu {
  position: fixed;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  z-index: 500;
  min-width: 180px;
  padding: 6px 0;
  display: none;
  animation: ctxFadeIn 0.15s ease;
}

@keyframes ctxFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.context-menu.show {
  display: block;
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s;
}

.context-menu-item:hover,
.context-menu-item:active {
  background: var(--bg-tertiary);
}

.context-menu-item .material-icons {
  font-size: 18px;
  color: var(--text-secondary);
}

.context-menu-item.danger {
  color: var(--chi);
}

.context-menu-item.danger .material-icons {
  color: var(--chi);
}

/* ===== 2.11 Tab bar auto-hide ===== */
.bottom-nav {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.bottom-nav.nav-hidden {
  transform: translate3d(-50%, 100%, 0) !important;
}

/* ===== 2.14 Skeleton Loading ===== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.skeleton-card {
  height: 72px;
  margin-bottom: 8px;
}

.skeleton-chart {
  height: 260px;
}

.skeleton-row {
  height: 56px;
  margin-bottom: 6px;
}

.skeleton-text {
  height: 16px;
  width: 60%;
  margin-bottom: 8px;
}

.skeleton-text-sm {
  height: 12px;
  width: 40%;
}

/* ===== 2.15 View Transitions ===== */
.view {
  animation: viewFadeIn 0.25s ease;
}

@keyframes viewFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 3.13 Empty State ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  gap: 12px;
}

.empty-state .empty-icon {
  font-size: 64px;
  opacity: 0.4;
}

.empty-state .empty-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-state .empty-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 260px;
}

.empty-state .empty-cta {
  margin-top: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== 10.6 Personalized Greeting ===== */
.greeting-banner {
  padding: 4px 0 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.greeting-banner strong {
  color: var(--accent-light);
}

/* ===== 10.2 Streak Counter ===== */
.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-left: 8px;
}

.streak-badge .material-icons {
  font-size: 14px;
}

/* ===== 6.1 Budget Progress Bar ===== */
.budget-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  margin-top: 6px;
  overflow: hidden;
}

.budget-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}

.budget-bar-fill.safe {
  background: var(--thu);
}

.budget-bar-fill.warn {
  background: #f59e0b;
}

.budget-bar-fill.danger {
  background: var(--chi);
}