/* ============================================================================
   專案名稱: IRVault - 全站共用核心基底樣式表 (vault.css / Common Core)
   功能範疇: 全域色彩變數、重設 (Reset)、頂部導航列 (Navbar)、下拉選單、共用彈窗與安全邊界
   版本標記: v20260821_CoreModern
   ============================================================================ */

/* 🌟 全域色彩與設計系統變數 */
:root,
[data-color-scheme="green-up"] {
  color-scheme: var(--c-scheme);
  --bg-dark: var(--c-bg);
  --surface-card: var(--c-surface);
  --surface-hover: var(--c-surface-2);
  --card-border: var(--c-border);
  --card-border-active: var(--c-accent);
  --primary-neon: var(--c-accent);
  --cyan-glow: var(--c-info);
  --orange-neon: var(--c-warn);
  --text-main: var(--c-text);
  --text-sub: var(--c-text-2);
  --text-muted: var(--c-text-3);
  --pnl-green: var(--c-accent);
  --pnl-red: var(--c-danger);
  --btn-bg: var(--c-surface-2);
  --btn-border: var(--c-border-strong);
  --btn-hover: var(--c-surface-2);
  --danger-color: var(--c-danger);
  --success-color: var(--c-accent);

  /* 🌟 動態漲跌色彩 (預設：綠漲紅跌 - 國際/Crypto 標準) */
  --pnl-up: var(--c-accent);
  --pnl-down: var(--c-danger);
  --pnl-up-bg: var(--c-accent-soft);
  --pnl-up-border: var(--c-accent-line);
  --pnl-down-bg: var(--c-danger-soft);
  --pnl-down-border: var(--c-danger-line);

  /* 向下相容別名 */
  --primary: var(--c-accent);
  --bg: var(--c-bg);
  --card-bg: var(--c-surface);
  --text: var(--c-text);
  --text-dim: var(--c-text-2);
}

/* 🌟 動態漲跌色彩 (紅漲綠跌 - 東亞股市標準) */
[data-color-scheme="red-up"] {
  color-scheme: var(--c-scheme);
  --pnl-up: var(--c-danger);
  --pnl-down: var(--c-accent);
  --pnl-up-bg: var(--c-danger-soft);
  --pnl-up-border: var(--c-danger-line);
  --pnl-down-bg: var(--c-accent-soft);
  --pnl-down-border: var(--c-accent-line);
}

/* 🌟 全螢幕基礎重設 (Full Viewport Reset) */
html, body {
  color-scheme: var(--c-scheme);
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 隱藏整頁捲軸 (與各頁主滾動區一致)：電腦版長頁 (有捲軸) 與短頁 (無捲軸) 切換時，版面寬度一致不左右晃動；滾輪/觸控捲動照常 */
html {
  scrollbar-width: none;
}

html::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

/* 全域游標與輸入控制規範 (招牌螢光綠游標) */
input,
select,
textarea {
  caret-color: var(--c-accent) !important;
}

/* 🌟 頂部固定導航列 (Fixed Top Navbar - 永遠固定置頂，絕不隨頁面滑動，適配手機狀態列) */
/* 背景滿版延伸至螢幕兩側；內容 (標題、按鈕) 維持於中央 480px 欄位內 (寬螢幕時左右內距自動補足) */
.vault-navbar,
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
  /* 全站統一高度 56px，內容垂直置中 (不受各頁按鈕大小影響) */
  height: 56px;
  padding: 0 max(16px, calc((100% - 480px) / 2 + 16px));
  background: var(--c-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  z-index: 500;
  flex-shrink: 0;
}

/* 品牌 Logo (現代極簡純白高級字體) */
.vault-brand,
.brand {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--c-text);
  text-decoration: none;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 🌟 全域視覺版本標籤 (Visual Version Badge - 讓維護者與使用者一眼辨識當前發布版本) */
/* 🌟 顯示與否已改由 vault-bootstrap.js 的 IRVAULT_IS_PRODUCTION 旗標統一控制 (正式環境自動隱藏，開發模式自動顯示) */
.app-version-badge {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  color: var(--c-accent);
  background: var(--c-accent-soft);
  border: 1px solid var(--c-accent-line);
  padding: 2px 7px;
  border-radius: 12px;
  letter-spacing: 0.4px;
  line-height: 1.2;
  user-select: none;
  vertical-align: middle;
}

/* 返回按鈕 (各子頁面統一視覺規格) */
.back-btn,
.back-home {
  background: var(--c-accent-soft);
  color: var(--c-text) !important;
  border: 1px solid var(--c-accent-line);
  padding: 7px 14px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.back-btn:hover,
.back-home:hover {
  background: var(--c-accent-soft);
  border-color: var(--primary-neon);
  color: var(--c-accent) !important;
  box-shadow: 0 0 10px var(--c-accent-glow);
  transform: translateY(-1px);
}

/* 🌟 右上角功能選單按鈕與下拉清單 (Navbar Menu Dropdown) */
.nav-menu-container {
  position: relative;
  display: inline-block;
}

/* 與各頁頂部右側按鈕 (.nav-home-icon-btn) 同規格：32px 圓形 */
.nav-menu-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-fill);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  color: var(--c-text-2);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.nav-menu-btn .nav-menu-icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  flex-shrink: 0;
}

.nav-menu-btn:hover {
  background: var(--c-fill-strong);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}

/* 🌟 右上角功能選單 (Navbar Menu Dropdown - Attachment 2 Modern Minimalist Style) */
.nav-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: 14px;
  min-width: 170px;
  box-shadow: 0 16px 40px var(--c-shadow-strong);
  z-index: 9999;
  padding: 6px;
  flex-direction: column;
  gap: 2px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-dropdown.show {
  display: flex !important;
  animation: navDropdownFadeIn 0.18s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes navDropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.nav-dropdown-item {
  color: var(--c-text);
  padding: 10px 14px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.15s ease;
  white-space: nowrap;
  user-select: none;
}

.nav-dropdown-item .dropdown-item-icon {
  width: 17px;
  height: 17px;
  stroke: var(--c-text-2);
  stroke-width: 2;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.nav-dropdown-item:hover {
  background: var(--c-surface-2);
  color: var(--c-text);
}

.nav-dropdown-item:hover .dropdown-item-icon {
  stroke: var(--c-accent);
}

.nav-dropdown-divider {
  height: 1px;
  background: var(--c-fill-strong);
  margin: 4px 6px;
}

/* 🌟 全站共用主容器 (Main App Container) */
.app-container {
  width: 100%;
  max-width: 480px;
  box-sizing: border-box;
  padding: max(88px, calc(env(safe-area-inset-top, 0px) + 72px)) 16px 40px 16px;
  margin: 0 auto;
}

/* 🌟 全站共用彈窗與對話框系統 (Modal Overlay & Dialog) */
/* 🌟 全站共用彈窗與對話框系統 (Modal Overlay & Dialog) */
.irvault-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--c-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  padding: 16px;
  box-sizing: border-box;
}

.token-manage-dialog {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  width: 100%;
  max-width: 440px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
  box-sizing: border-box;
  box-shadow: 0 24px 60px var(--c-shadow-strong);
  animation: tokenModalIn 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes tokenModalIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.token-manage-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
}

.token-manage-header-titles {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.token-manage-title {
  margin: 0;
  font-size: 17px;
  color: var(--c-text);
  font-weight: 800;
  letter-spacing: 0.3px;
}

.token-manage-subtitle {
  margin: 0;
  font-size: 12px;
  color: var(--text-sub);
}

.token-manage-close-btn {
  background: var(--c-fill);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.token-manage-close-btn:hover {
  background: var(--c-danger-soft);
  border-color: var(--c-danger-line);
  color: var(--c-danger);
  transform: scale(1.05);
}

.token-manage-content-card {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.token-manage-list {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 14px;
  padding-right: 4px;
  max-height: 52vh;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.token-manage-list::-webkit-scrollbar {
  width: 5px;
}
.token-manage-list::-webkit-scrollbar-track {
  background: transparent;
}
.token-manage-list::-webkit-scrollbar-thumb {
  background: var(--c-fill-strong);
  border-radius: 4px;
}

.token-manage-item {
  background: var(--surface-card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all 0.15s ease;
  box-sizing: border-box;
}

.token-manage-item:hover {
  background: var(--surface-hover);
  border-color: var(--c-border);
}

.token-manage-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.token-manage-icon-wrapper {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.token-manage-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.token-manage-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.token-manage-symbol-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.token-manage-symbol {
  font-weight: 800;
  color: var(--c-text);
  font-size: 14px;
}

.token-manage-chain-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  border: 1px solid var(--c-accent-line);
  font-weight: 700;
}

.token-manage-subtext {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-sub);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.token-manage-mint {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--text-muted);
}

.token-manage-balance {
  color: var(--c-text-2);
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 🌟 現代 iOS / Cyberpunk 切換開關 (Toggle Switch) */
.token-toggle-control {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 26px;
  flex-shrink: 0;
  cursor: pointer;
  user-select: none;
}

.token-toggle-control input {
  opacity: 0;
  width: 0;
  height: 0;
  margin: 0;
  position: absolute;
}

.token-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--c-surface-2);
  border: 1px solid var(--c-border);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 26px;
}

.token-toggle-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 2px;
  bottom: 2px;
  background-color: #ffffff;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 2px 5px var(--c-shadow);
}

.token-toggle-control input:checked + .token-toggle-slider {
  background-color: var(--primary-neon);
  border-color: var(--primary-neon);
  box-shadow: 0 0 12px var(--c-accent-glow);
}

.token-toggle-control input:checked + .token-toggle-slider:before {
  transform: translateX(20px);
  background-color: var(--c-bg);
}

.token-manage-empty {
  text-align: center;
  padding: 36px 16px;
  color: var(--text-sub);
}

.token-manage-footer {
  display: flex;
  margin-top: 4px;
}

.token-manage-save {
  width: 100%;
  padding: 12px;
  background: var(--primary-neon);
  color: var(--c-on-accent);
  font-weight: 800;
  font-size: 14px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--c-accent-glow);
  transition: all 0.15s ease;
  letter-spacing: 0.5px;
}

.token-manage-save:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px 20px var(--c-accent-glow);
}

.token-manage-save:active {
  transform: scale(0.98);
}

.vault-bottom-btn-inner {
  width: 100%;
  max-width: 480px;
  display: flex;
  gap: 12px;
}

.vault-bottom-action-btn {
  flex: 1;
  height: 50px;
  border-radius: 14px;
  border: 1.5px solid var(--c-accent-line);
  background: var(--c-surface-2);
  color: var(--c-accent);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.15s ease;
  box-shadow: 0 4px 14px var(--c-shadow);
  text-align: center;
  box-sizing: border-box;
  padding: 0 16px;
  user-select: none;
}

.vault-bottom-action-btn:hover {
  background: var(--c-surface-2);
  border-color: var(--primary-neon);
  box-shadow: 0 0 16px var(--c-accent-glow);
}

.vault-bottom-action-btn:active {
  transform: scale(0.97);
  background: var(--c-surface-2);
}

.vault-bottom-action-btn .btn-action-icon {
  width: 20px;
  height: 20px;
  stroke: var(--c-accent);
  fill: none;
  stroke-width: 2.5;
  flex-shrink: 0;
}

.vault-bottom-action-btn span {
  display: inline-block;
  line-height: 1;
  font-size: 16px;
  color: var(--c-accent);
}

/* ============================================================================
   🌟 全域文字大小階梯縮放與最大字級上限保護 (Font Size Scaling & Cap Rules)
   規範說明：
   1. 只放大 10px~13px 的最小文字（副標、標籤、備註、微小數值）
   2. 原本就已經放大的字級（如總資產、轉帳大字）保持原尺寸不放大
   3. 全站所有文字設定最高上限 Cap (不超過 32px)，徹底防止文字溢出與破版
   ============================================================================ */

/* 🌟 字體大小：大 (Large) - 智慧提升最小字級 */
[data-font-size="large"] {
  font-size: 15px;
}
[data-font-size="large"] .settings-item-desc,
[data-font-size="large"] .settings-field-hint,
[data-font-size="large"] .profile-meta-row,
[data-font-size="large"] .system-info-row,
[data-font-size="large"] .token-sub,
[data-font-size="large"] .token-note,
[data-font-size="large"] .token-change-value,
[data-font-size="large"] .action-btn-label,
[data-font-size="large"] .hero-balance-label,
[data-font-size="large"] .badge-pill,
[data-font-size="large"] .combobox-option-text,
[data-font-size="large"] .token-section-header-row label,
[data-font-size="large"] small,
[data-font-size="large"] .service-tip,
[data-font-size="large"] .settings-badge-neon,
[data-font-size="large"] .settings-badge-orange,
[data-font-size="large"] .nav-dropdown-item span {
  font-size: 13.5px !important;
}

[data-font-size="large"] .settings-field-label,
[data-font-size="large"] .settings-item-title,
[data-font-size="large"] .token-name,
[data-font-size="large"] .token-symbol,
[data-font-size="large"] .token-section-title,
[data-font-size="large"] .settings-input,
[data-font-size="large"] .combobox-input,
[data-font-size="large"] .brand,
[data-font-size="large"] .settings-item-preview {
  font-size: 16px !important;
  max-width: 260px !important;
}

/* 🌟 字體大小：最大 (Extra Large) - 最大程度提升小字可讀性 */
[data-font-size="xlarge"] {
  font-size: 16px;
}
[data-font-size="xlarge"] .settings-item-desc,
[data-font-size="xlarge"] .settings-field-hint,
[data-font-size="xlarge"] .profile-meta-row,
[data-font-size="xlarge"] .system-info-row,
[data-font-size="xlarge"] .token-sub,
[data-font-size="xlarge"] .token-note,
[data-font-size="xlarge"] .token-change-value,
[data-font-size="xlarge"] .action-btn-label,
[data-font-size="xlarge"] .hero-balance-label,
[data-font-size="xlarge"] .badge-pill,
[data-font-size="xlarge"] .combobox-option-text,
[data-font-size="xlarge"] .token-section-header-row label,
[data-font-size="xlarge"] small,
[data-font-size="xlarge"] .service-tip,
[data-font-size="xlarge"] .settings-badge-neon,
[data-font-size="xlarge"] .settings-badge-orange,
[data-font-size="xlarge"] .nav-dropdown-item span {
  font-size: 15px !important;
}

[data-font-size="xlarge"] .settings-field-label,
[data-font-size="xlarge"] .settings-item-title,
[data-font-size="xlarge"] .token-name,
[data-font-size="xlarge"] .token-symbol,
[data-font-size="xlarge"] .token-section-title,
[data-font-size="xlarge"] .settings-input,
[data-font-size="xlarge"] .combobox-input,
[data-font-size="xlarge"] .brand,
[data-font-size="xlarge"] .settings-item-preview {
  font-size: 17.5px !important;
  max-width: 280px !important;
}

/* 🌟 原本就已放大的大字級（如總資產、轉帳大數字）維持原尺寸，並限制最高上限 32px */
.hero-balance-value,
.huge-amount-text,
.huge-amount-input {
  font-size: 28px !important;
  max-font-size: 32px;
}
[data-font-size="large"] .hero-balance-value,
[data-font-size="xlarge"] .hero-balance-value {
  font-size: 28px !important; /* 總資產原已足夠大，不額外放大 */
}

/* ============================================================================
   🌟 設定頁面視覺選項卡樣式 (Settings Appearance Pills & Cards)
   ============================================================================ */
.settings-visual-group {
  margin-bottom: 18px;
}

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

.settings-visual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.settings-visual-card {
  background: var(--c-fill);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.18s ease;
  user-select: none;
  position: relative;
}

.settings-visual-card:hover {
  background: var(--c-fill);
  border-color: var(--c-border-strong);
}

.settings-visual-card.selected {
  background: var(--c-accent-soft);
  border-color: var(--primary-neon);
  box-shadow: 0 0 14px var(--c-accent-glow);
}

.settings-visual-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.settings-visual-card-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-text);
}

.settings-visual-card.selected .settings-visual-card-title {
  color: var(--c-accent);
}

.settings-visual-card-desc {
  font-size: 11.5px;
  color: var(--c-text-2);
  line-height: 1.4;
}

.color-dot-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.color-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.color-dot.green {
  background: var(--c-accent);
  box-shadow: 0 0 6px var(--c-accent-glow);
}

.color-dot.red {
  background: var(--c-danger);
  box-shadow: 0 0 6px var(--c-shadow);
}

/* ============================================================================
   🌟 跨頁共用元件 (由各頁 CSS 完全相同之重複規則合併而來，統一於此維護)
   ============================================================================ */
.segmented-tab-btn:hover {
  color: var(--c-text);
  background: var(--c-fill);
}

.send-account-picker-btn.is-open .send-picker-chevron {
  transform: rotate(180deg);
  stroke: var(--c-text);
}

.send-picker-account-info {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

/* ============================================================================
   🌟 全螢幕深色彈窗體系 (Asset & Account Modals - 100% 滿版全螢幕對齊 send 頁面)
   ============================================================================ */
.asset-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: var(--c-surface);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: stretch;
  animation: assetFadeIn 0.18s ease-out forwards;
}

.asset-modal-dialog {
  width: 100%;
  max-width: 520px;
  height: 100%;
  max-height: 100vh;
  background: var(--c-surface);
  border: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-sizing: border-box;
}

@media (min-width: 600px) {
  .asset-modal-overlay {
    background: var(--c-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    align-items: center;
  }
  .asset-modal-dialog {
    border-radius: 20px;
    border: 1px solid var(--c-border);
    height: 88vh;
    max-height: 760px;
    box-shadow: 0 16px 50px var(--c-shadow-strong);
  }
}

.asset-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(16px, env(safe-area-inset-top, 16px)) 20px 12px 16px;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface);
  flex-shrink: 0;
}

.asset-modal-back-btn {
  background: transparent;
  border: none;
  color: var(--c-text-2);
  padding: 6px;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.18s ease;
}

.asset-modal-back-btn:hover {
  background: var(--c-fill-strong);
  color: var(--c-text);
}

.asset-modal-back-btn svg {
  width: 20px;
  height: 20px;
}

.asset-modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  margin: 0;
  letter-spacing: -0.2px;
}

.asset-modal-header-space {
  width: 32px;
}

.asset-search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--c-text);
  font-size: 13.5px;
  padding: 10px 0;
  outline: none;
}

.asset-search-input::placeholder {
  color: var(--c-text-3);
}

.asset-token-symbol-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================================================================
   🌟 下拉選單統一樣式 (全站唯一定義；各頁 CSS 請勿再覆寫外觀)
   適用容器: .vault-combobox-dropdown / .send-combobox-dropdown / .receive-combobox-dropdown
             .send-token-dropdown / .swap-wallet-dropdown-menu
   適用項目: .account-modal-item-card (錢包 / 帳戶)、.token-combobox-item (代幣)
   ============================================================================ */
.vault-combobox-dropdown,
.send-combobox-dropdown,
.receive-combobox-dropdown,
.send-token-dropdown,
.swap-wallet-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
  margin-top: -1px;
  padding: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border-strong);
  border-radius: 0 0 12px 12px;
  box-shadow: 0 16px 36px var(--c-shadow-strong);
  max-height: 320px;
  overflow-y: auto;
  z-index: 300;
  box-sizing: border-box;
}

.vault-combobox-dropdown::-webkit-scrollbar,
.send-combobox-dropdown::-webkit-scrollbar,
.receive-combobox-dropdown::-webkit-scrollbar,
.send-token-dropdown::-webkit-scrollbar,
.swap-wallet-dropdown-menu::-webkit-scrollbar {
  width: 5px;
}

.vault-combobox-dropdown::-webkit-scrollbar-thumb,
.send-combobox-dropdown::-webkit-scrollbar-thumb,
.receive-combobox-dropdown::-webkit-scrollbar-thumb,
.send-token-dropdown::-webkit-scrollbar-thumb,
.swap-wallet-dropdown-menu::-webkit-scrollbar-thumb {
  background: var(--c-fill-strong);
  border-radius: 4px;
}

/* 錢包 / 帳戶項目：彈窗內為卡片樣式 */
.account-modal-item-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  margin-bottom: 8px;
  background: var(--c-fill);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  color: var(--c-text);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.account-modal-item-card:hover {
  background: var(--c-fill-strong);
  border-color: var(--c-border-strong);
}

.account-modal-item-card.is-selected {
  background: var(--c-accent-soft);
  border-color: var(--c-accent-line);
}

/* 下拉選單內之錢包 / 代幣項目：統一為清單樣式 (分隔線、選取以品牌淡底標示) */
.vault-combobox-dropdown .account-modal-item-card,
.send-combobox-dropdown .account-modal-item-card,
.receive-combobox-dropdown .account-modal-item-card,
.swap-wallet-dropdown-menu .account-modal-item-card,
.token-combobox-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  margin: 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--c-border);
  border-radius: 0;
  color: var(--c-text);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}

.vault-combobox-dropdown .account-modal-item-card:last-child,
.send-combobox-dropdown .account-modal-item-card:last-child,
.receive-combobox-dropdown .account-modal-item-card:last-child,
.swap-wallet-dropdown-menu .account-modal-item-card:last-child,
.token-combobox-item:last-child {
  border-bottom: none;
}

.vault-combobox-dropdown .account-modal-item-card:hover,
.send-combobox-dropdown .account-modal-item-card:hover,
.receive-combobox-dropdown .account-modal-item-card:hover,
.swap-wallet-dropdown-menu .account-modal-item-card:hover,
.token-combobox-item:hover {
  background: var(--c-fill);
}

.vault-combobox-dropdown .account-modal-item-card.is-selected,
.send-combobox-dropdown .account-modal-item-card.is-selected,
.receive-combobox-dropdown .account-modal-item-card.is-selected,
.swap-wallet-dropdown-menu .account-modal-item-card.is-selected,
.token-combobox-item.is-selected {
  background: var(--c-accent-soft);
}

/* 錢包項目內容 */
.account-item-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
  text-align: left;
  overflow: hidden;
}

.account-item-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.account-item-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.account-item-address {
  font-size: 11.5px;
  color: var(--c-text-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.account-item-check-icon {
  width: 18px;
  height: 18px;
  stroke: var(--c-accent);
  flex-shrink: 0;
  margin-left: 8px;
}

/* 代幣項目內容 */
.token-combobox-item-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.token-combobox-item-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
}

.token-combobox-item-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.token-combobox-item-symbol {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-text);
}

.token-combobox-item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  margin-left: 10px;
  flex-shrink: 0;
}

.token-combobox-item-amount {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.token-combobox-item-usd {
  font-size: 11px;
  color: var(--c-text-2);
}

/* ============================================================================
   🌟 鏈別小標籤統一樣式 (.vault-chain-badge / .send-chain-badge / .receive-chain-badge)
   固定 66px 等寬置中；顏色由 JS 行內 color 指定 (或 .chain-* 變體)，邊框自動取文字色之半透明
   ============================================================================ */
.vault-chain-badge,
.send-chain-badge,
.receive-chain-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 66px;
  min-width: 66px;
  max-width: 66px;
  padding: 2px 0;
  box-sizing: border-box;
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
  text-align: center;
  white-space: nowrap;
  color: var(--c-accent);
  background: var(--c-fill);
  border: 1px solid color-mix(in srgb, currentColor 45%, transparent);
  border-radius: 6px;
}
/* 無文字 (尚未選擇) 時不顯示空殼邊框，避免「請選擇」前多出一條線 */
.vault-chain-badge:empty,
.send-chain-badge:empty,
.receive-chain-badge:empty {
  display: none;
}

/* ============================================================================
   🌟 跨頁共用元件統一樣式 (全站唯一定義；各頁 CSS 請勿再覆寫外觀)
   底部快捷列: .vault-sticky-bottom-bar / .quick-action-btn / .action-btn-circle / .action-btn-label
   頂部導覽鍵: .nav-back-pill (膠囊返回鍵) / .nav-home-icon-btn (圓形首頁鍵) / .nav-back-icon-btn (圓形返回鍵)
   ============================================================================ */
/* 背景滿版延伸至螢幕兩側；按鈕維持於中央 480px 欄位內 (寬螢幕時左右內距自動補足) */
.vault-sticky-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  margin: 0 auto;
  background: var(--c-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--c-border);
  padding: 8px max(16px, calc((100% - 480px) / 2 + 16px)) calc(10px + env(safe-area-inset-bottom, 0px));
  z-index: 100;
  display: flex;
  justify-content: center;
  box-sizing: border-box;
}

.vault-bottom-actions-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  max-width: 480px;
}

.quick-action-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 0;
  text-decoration: none;
  transition: transform 0.15s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.quick-action-btn:hover {
  transform: translateY(-2px);
}

.quick-action-btn:active {
  transform: scale(0.94);
}

.action-btn-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text);
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px var(--c-shadow);
}

.action-btn-circle svg {
  width: 19px;
  height: 19px;
  stroke: var(--c-text-2);
  transition: stroke 0.2s ease;
}

.action-btn-circle-highlight {
  background: var(--c-accent-soft);
  border-color: var(--c-accent-line);
}

.action-btn-circle-highlight svg {
  stroke: var(--c-accent);
}

.quick-action-btn:hover .action-btn-circle {
  background: var(--c-surface-2);
  border-color: var(--primary-neon);
  box-shadow: 0 0 16px var(--c-accent-glow);
}

.quick-action-btn:hover .action-btn-circle svg {
  stroke: var(--c-accent);
}

.action-btn-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-text-2);
  letter-spacing: 0.3px;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.quick-action-btn:hover .action-btn-label {
  color: var(--c-text);
}

.quick-action-btn.active .action-btn-circle {
  background: var(--c-surface-2);
  border-color: var(--c-accent);
  box-shadow: 0 0 16px var(--c-accent-glow);
}

.quick-action-btn.active .action-btn-circle svg {
  stroke: var(--c-accent);
}

.quick-action-btn.active .action-btn-label {
  color: var(--c-accent);
  font-weight: 700;
}

.nav-back-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  background: var(--c-fill);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  color: var(--c-text);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.18s ease;
}

.nav-back-pill:hover {
  background: var(--c-fill-strong);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}

.nav-back-pill svg {
  width: 14px;
  height: 14px;
  stroke: var(--c-text-2);
  transition: stroke 0.18s ease;
}

.nav-back-pill:hover svg {
  stroke: var(--c-text);
}

.nav-home-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 50%;
  box-sizing: border-box;
}

.nav-home-icon-btn svg {
  width: 17px;
  height: 17px;
}

.nav-back-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 50%;
  background: var(--c-fill);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.18s ease;
  box-sizing: border-box;
  flex-shrink: 0;
}

.nav-back-icon-btn:hover {
  background: var(--c-fill-strong);
  border-color: var(--c-border-strong);
  color: var(--c-text);
}

.nav-back-icon-btn svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
}

/* ============================================================================
   🌟 跨頁共用元件 (由各頁 CSS 完全相同之重複規則合併而來，統一於此維護)
   ============================================================================ */
.segmented-tab-btn.active {
  background: var(--c-accent-soft);
  border-color: var(--c-accent-line);
  color: var(--c-accent);
  box-shadow: 0 0 12px var(--c-accent-glow);
}

.send-account-picker-btn:active {
  transform: scale(0.99);
}

.send-picker-chevron {
  width: 15px;
  height: 15px;
  stroke: var(--c-text-2);
  flex-shrink: 0;
  margin-left: 6px;
  transition: transform 0.2s ease;
}

.send-account-picker-btn:hover .send-picker-chevron {
  stroke: var(--c-accent);
}

/* ============================================================================
   🌟 跨頁共用元件 (由各頁 CSS 完全相同之重複規則合併而來，統一於此維護)
   ============================================================================ */
.initially-hidden {
  display: none;
}

/* ==========================================================================
 * 🌟 Delphi 風格自訂 ComboBox 下拉組件樣式 (100% 完全對齊 @send / @receive 規格)
 * ========================================================================== */
.send-combobox-wrapper {
  position: relative;
  width: 100%;
  z-index: 100;
}