/* ===== 設計令牌 (Design Tokens) ===== */
:root {
  /* 色彩系統 */
  --primary: #39C5BB;
  --primary-dark: #2A9D8F;
  --primary-light: #E6FFFA;
  --secondary: #64748b;
  --danger: #EF4444;
  --danger-dark: #DC2626;
  --success: #10B981;
  --warning: #F59E0B;
  --info: #3B82F6;
  
  /* 中性色 */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* 語意化顏色 */
  --bg: var(--gray-50);
  --fg: var(--gray-900);
  --muted: var(--gray-500);
  --card: var(--white);
  --border: var(--gray-200);
  
  /* 間距系統 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  
  /* 圓角系統 */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  
  /* 陰影系統 */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  
  /* 字體系統 */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  
  /* 動畫 */
  --transition: all 0.2s ease;
  --transition-fast: all 0.15s ease;
  --transition-slow: all 0.3s ease;
}

/* ===== 全域樣式 ===== */
* { box-sizing: border-box; }

html, body, #app { 
  height: 100%; 
  overscroll-behavior: auto;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  overflow-x: hidden;
  overscroll-behavior: auto;
  -webkit-overflow-scrolling: touch;
}

/* ===== 佈局元件 ===== */
.app-header {
  position: sticky;
  top: 0;
  background: #ffffffaa;
  backdrop-filter: saturate(180%) blur(6px);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.app-header h1 {
  margin: 0 auto;
  font-size: 16px;
  max-width: 860px;
}

.view-container {
  padding: 12px 12px 78px;
  max-width: 860px;
  margin: 0 auto;
}

/* ===== 組件系統 ===== */

/* 卡片組件 */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.card-compact {
  padding: var(--space-3);
  border-radius: var(--radius);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}

/* Section 組件（向後兼容） */
.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: var(--space-3) 0;
  box-shadow: var(--shadow);
}

/* ===== 導航欄 ===== */
.tabbar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 16px;
  display: flex;
  gap: 4px;
  padding: 8px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  width: min(90%, 860px);
  z-index: 1000;
  overscroll-behavior: contain;
}

.tab-item {
  flex: 1;
  background: transparent;
  color: #64748b;
  border: none;
  border-radius: 16px;
  padding: 12px 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
}

.tab-item:hover {
  background: rgba(57,197,187,0.1);
  color: var(--primary);
  transform: translateY(-1px);
}

.tab-item.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(57,197,187,0.4);
  transform: translateY(-2px);
}

.tab-item.active::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
}

/* ===== 表單元件 ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

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

input, select {
  background: #fff;
  color: var(--fg);
  border: 1px solid var(--primary);
  border-radius: 8px;
  padding: 10px;
  transition: border-color 0.3s ease;
  font-size: 16px; /* 防止 iOS Safari 放大 */
  -webkit-appearance: none;
  -webkit-border-radius: 8px;
}

input:focus, select:focus {
  outline: none;
  border-color: #66D6FF;
  box-shadow: 0 0 0 3px rgba(57,197,187,0.1);
}

/* 防止 iOS Safari 自動放大 */
input[type="text"], input[type="email"], input[type="password"], 
input[type="number"], input[type="tel"], input[type="month"], 
select, textarea {
  font-size: 16px !important;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* ===== 按鈕樣式 ===== */
button {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--primary);
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(57, 197, 187, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(57, 197, 187, 0.4);
}

.btn-secondary {
  background: #eef2f7;
  color: #111827;
  border-color: #d1d5db;
}

.btn-secondary:hover {
  background: #e5e7eb;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), var(--danger-dark));
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  background: #fff;
  color: #374151;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  transition: .2s;
}

.btn-icon:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,.12);
}

.btn-icon svg {
  display: block;
}

.btn-icon.ghost {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-color: #e5e7eb;
}

.btn-icon.primary {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: #E6FFFA;
}

.btn-icon.danger {
  border-color: #fecaca;
  color: #b91c1c;
  background: #fff1f2;
}

/* ===== 表格樣式 ===== */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th, .table td {
  border-bottom: 1px solid var(--border);
  padding: 10px;
  text-align: left;
}

.table tbody tr:nth-child(odd) {
  background: #fafafa;
}

/* ===== 彈窗樣式 ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15,23,42,.4);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  display: grid;
  place-items: center;
  z-index: 9999;
}

.modal-backdrop[hidden] {
  display: none !important;
}

.modal {
  width: min(560px, 94%);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  box-shadow: 0 25px 80px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.1);
  padding: 24px;
  transform-origin: center;
  animation: modal-pop .18s ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.modal-header #card-modal-title {
  font-weight: 700;
  font-size: 16px;
  color: #0f172a;
}

.modal-close {
  position: absolute;
  right: 12px;
  top: 12px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: #e5e7eb;
  border-color: #9ca3af;
}

.modal-close svg {
  color: #374151;
  stroke-width: 2.5;
}

/* ===== 動畫效果 ===== */
@keyframes modal-pop {
  from {
    opacity: 0;
    transform: scale(.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes backdrop-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-backdrop:not([hidden]) {
  animation: backdrop-fade .18s ease-out;
}

/* ===== 特殊元件 ===== */
.info-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 20px;
  color: #64748B;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.info-icon {
  color: var(--primary);
  font-size: 16px;
}

.summary {
  margin-top: 8px;
  color: #374151;
  font-weight: 600;
}

.snackbar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 1000;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.snackbar.show {
  opacity: 1;
}

/* ===== 卡費頁面樣式 ===== */
.expense-card {
  transition: all 0.3s ease;
}

.expense-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.amount-input {
  transition: all 0.2s ease;
}

.amount-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(57, 197, 187, 0.1);
}

/* ===== 銀行帳戶卡片 ===== */
.bank-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  margin-bottom: var(--space-2);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.bank-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.bank-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.bank-card__title {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--fg);
}

.bank-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.bank-card__badge {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: var(--text-xs);
  font-weight: 600;
}

.bank-card__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--primary-dark);
  background: #fff;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: none;
}

.bank-card__toggle:hover {
  border-color: var(--primary-light);
  background: var(--primary-light);
  color: var(--primary-dark);
}

.bank-card__toggle svg {
  transition: transform 0.18s ease;
}

.bank-card.is-open .bank-card__toggle svg {
  transform: rotate(180deg);
}

.bank-card__grid {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  margin-bottom: var(--space-2);
}

.bank-card__stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
}

.bank-card__stat-label {
  color: var(--muted);
  font-weight: 500;
}

.bank-card__stat-value {
  color: var(--fg);
  font-size: 13px;
  font-weight: 600;
}

.bank-card__cards {
  display: none;
  border-top: 1px solid var(--gray-100);
  padding-top: var(--space-2);
}

.bank-card.is-open .bank-card__cards {
  display: grid;
  gap: var(--space-2);
}

.bank-card__cards-title {
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 500;
  margin-bottom: 2px;
}

.bank-card__empty {
  color: var(--muted);
  font-size: var(--text-xs);
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 10px 12px;
}

.bank-card__card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding: 5px 10px;
  border-radius: var(--radius);
  background: var(--gray-50);
  cursor: pointer;
  transition: var(--transition-fast);
}

.bank-card__card:hover {
  background: var(--gray-100);
}

.bank-card__card-title {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--fg);
}

.bank-card__card-meta {
  color: var(--muted);
  font-size: var(--text-xs);
  margin-top: 2px;
}

.bank-card__divider {
  border-top: 1px solid var(--gray-100);
  padding-top: var(--space-2);
}

/* 銀行帳戶卡片 V3（沿用於其他頁） */
.account-card-v3 {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  transition: .18s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
}

.account-card-v3:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0,0,0,.1);
}

.account-v3-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 10px rgba(42,157,143,.35);
}

.account-v3-main {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.account-v3-text {
  min-width: 0;
}

.account-v3-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.account-v3-meta {
  color: #64748B;
  font-size: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.account-v3-pill {
  display: inline-flex;
  align-items: center;
  border: 1px dashed #cbd5e1;
  color: #334155;
  background: #f8fafc;
  border-radius: 10px;
  padding: 5px 10px;
  font-size: 12px;
}

.account-v3-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.account-v3-actions .btn-icon {
  min-height: 32px;
  padding: 8px 12px;
}

.account-v3-actions .btn-icon svg {
  display: block;
}

/* ===== 響應式設計 ===== */

/* 手機版 (768px 以下) */
@media (max-width: 768px) {
    .settings-header {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

/* 基礎手機版優化 */
  body {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  
  /* 確保按鈕觸控目標足夠大 */
  button, .btn-icon, .tab-item {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* 導航欄手機樣式 */
  .tab-item {
    flex-direction: column;
    gap: 4px;
    font-size: 11px;
    padding: 8px 4px;
    white-space: normal;
    line-height: 1.3;
    min-height: 48px; /* 增加觸控區域 */
  }

  /* 標題區手機排版 */
  .section > div[style*="justify-content:space-between"]:not(.settings-header) {
    flex-direction: column !important;
    gap: 12px !important;
    align-items: stretch !important;
  }
  
  .section > div[style*="justify-content:space-between"]:not(.settings-header) > div:first-child {
    flex-wrap: wrap !important;
    justify-content: flex-start !important;
  }
  
  .section > div[style*="justify-content:space-between"]:not(.settings-header) > div:last-child {
    justify-content: center !important;
  }

  /* 移除銀行帳戶頁面專屬標題覆寫，改用全站通用標題規則以保持一致 */

  /* 卡費頁面手機樣式 */
  #expenses-header {
    flex-direction: column !important;
    gap: 12px !important;
    align-items: center !important;
  }
  
  .month-navigator {
    min-width: auto !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  
  .summary {
    width: 100% !important;
    max-width: 300px !important;
  }
  
  /* 月份導航按鈕hover效果 */
  .month-nav-btn:hover {
    color: white !important;
    transform: scale(1.05) !important;
  }
  
  .month-nav-btn:hover > div:first-child {
    opacity: 1 !important;
  }
  
  .month-nav-btn:active {
    transform: scale(0.95) !important;
  }
  
  /* 月份顯示區域hover效果 */
  .month-display:hover {
    color: #39C5BB !important;
    transform: translateY(-1px) !important;
  }
  
  .month-display:hover > div:first-child {
    opacity: 1 !important;
  }
  
  .month-display:active {
    transform: translateY(0) !important;
  }
  
  /* 整體導航器hover效果 */
  .month-navigator:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.9) !important;
    transform: translateY(-2px) !important;
  }
  
  /* 總計摘要hover效果 */
  .summary:hover {
    transform: translateY(-3px) scale(1.02) !important;
    box-shadow: 0 12px 48px rgba(57,197,187,0.4), inset 0 1px 0 rgba(255,255,255,0.3) !important;
  }
  
  /* 新版卡費卡片hover效果 */
  .expense-card-v2:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 16px 48px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.9) !important;
  }
  
  #expenses-monthbar > div:first-child {
    justify-content: center;
  }
  
  #expenses-monthbar .summary {
    text-align: center;
  }

  .expense-card {
    display: block !important;
    padding: 20px !important;
    margin-bottom: 16px !important;
  }

  .expense-card .date-info {
    display: inline-block !important;
    width: calc(50% - 8px) !important;
    margin: 0 4px 0 4px !important;
    vertical-align: top !important;
    box-sizing: border-box !important;
  }

  .amount-input {
    font-size: 16px !important; /* 防止放大 */
    -webkit-appearance: none !important;
    transform: translateZ(0) !important;
    -webkit-transform: translateZ(0) !important;
    min-height: 44px !important; /* 確保觸控目標足夠大 */
  }

  .amount-input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(57, 197, 187, 0.1) !important;
  }

  /* 銀行帳戶卡片手機樣式 */
  .account-card {
    flex-wrap: wrap;
  }
  
  .account-card .account-actions {
    width: 100%;
    justify-content: flex-start;
    margin-top: 8px;
  }

  .bank-card {
    padding: 10px 12px;
  }

  .bank-card__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .bank-card__meta {
    width: 100%;
    justify-content: space-between;
    gap: var(--space-1);
  }

  .bank-card__toggle {
    margin-left: auto;
  }

  .bank-card__grid {
    gap: var(--space-1);
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  .bank-card__stat {
    flex-wrap: wrap;
    row-gap: 2px;
  }

  .bank-card__stat-value {
    font-size: var(--text-xs);
  }

  .bank-card__cards {
    padding-top: var(--space-1);
  }

  .account-card-v3 {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 16px !important;
    margin-bottom: 12px !important;
  }
  
  .account-v3-main {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    width: 100%;
  }
  
  .account-v3-text {
    text-align: left;
    flex: 1;
    min-width: 0;
    overflow: hidden;
  }
  
  .account-v3-name {
    font-size: 14px !important;
    font-weight: 600 !important;
    margin-bottom: 4px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }
  
  .account-v3-meta {
    font-size: 13px !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
  }
  
  .account-v3-pill {
    padding: 6px 12px !important;
    font-size: 12px !important;
    border-radius: 12px !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }
  
  .account-v3-actions {
    justify-content: center !important;
    margin-left: 0 !important;
    margin-top: 8px;
    flex-wrap: wrap;
    row-gap: 8px;
    column-gap: 10px;
    width: 100%;
    display: flex;
  }
  
  .account-v3-actions .btn-icon {
    flex: 1;
    min-width: 0;
    min-height: 44px !important;
    padding: 10px 8px !important;
    font-size: 14px !important;
    justify-content: center !important;
    text-align: center !important;
  }
}

/* 桌面版 (769px 以上) */
@media (min-width: 769px) {
  #expenses-monthbar {
    flex-direction: row !important;
    gap: 12px;
    align-items: center !important;
  }
  
  #expenses-monthbar > div:first-child {
    justify-content: flex-start !important;
  }
  
  #expenses-monthbar .summary {
    text-align: right;
  }

  .account-card {
    flex-wrap: nowrap;
  }
  
  .account-card .account-actions {
    width: auto;
    margin-top: 0;
    margin-left: auto;
    justify-content: flex-end;
  }

  .account-v3-actions {
    margin-left: auto;
  }
}

/* 超小螢幕 (480px 以下) */
@media (max-width: 480px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .btn-primary, .btn-danger {
    flex: 1;
    font-size: 16px; /* 保持最小 16px 防止放大 */
    padding: 12px 16px;
    min-height: 48px;
  }

  .tabbar {
    gap: 2px;
  }
  
  .tab-item {
    flex-direction: column;
    gap: 4px;
    padding: 10px 6px;
    font-size: 12px; /* 略增加字體大小 */
    line-height: 1.2;
    white-space: normal;
    text-align: center;
    max-width: 90px;
    min-height: 52px;
  }

  .expense-card {
    padding: 16px !important; /* 增加內距 */
    margin: 8px 0 !important;
  }

  .amount-input {
    font-size: 16px !important; /* 防止放大 */
    padding: 8px 10px !important;
    min-height: 44px !important;
  }

  .summary {
    font-size: 14px !important; /* 增加字體大小 */
    padding: 12px 16px !important;
    min-height: 44px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  /* 確保所有可點擊元素都足夠大 */
  button, .btn-icon, input, select {
    min-height: 44px !important;
    font-size: 16px !important;
  }
  
  /* 模態框在小螢幕的優化 */
  .modal {
    width: 95% !important;
    margin: 16px !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
  }
}

/* 手機版 (768px 以下) 補充調整：按鈕置中與等分寬度 */
#btn-add-bank-account {
  justify-content: center !important;
  text-align: center !important;
}

/* 卡片/銀行標題區塊右側兩顆按鈕：各佔50%，置中 */
#btn-add-card,
#btn-add-card-item {
  flex: 1 1 50% !important;
  max-width: 50% !important;
  justify-content: center !important;
  text-align: center !important;
}