body.touch-device #app {
  flex-direction: row;
}

body.touch-device .sidebar.collapsed {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 40px;
  min-width: 40px;
  max-width: 40px;
  z-index: 1100;
  transform: none;
  box-shadow: none;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
}
body.touch-device .sidebar.collapsed .sidebar-header {
  justify-content: center;
  padding: 0;
  height: 40px;
  min-height: 40px;
}
body.touch-device .sidebar.collapsed .sidebar-title,
body.touch-device .sidebar.collapsed .sidebar-resizer,
body.touch-device .sidebar.collapsed .sidebar-section-title,
body.touch-device .sidebar.collapsed .sidebar-item-text,
body.touch-device .sidebar.collapsed .sidebar-item-time {
  display: none;
}
body.touch-device .sidebar-list {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
body.touch-device .sidebar.collapsed .sidebar-item {
  width: 40px;
  height: 40px;
  min-height: 40px;
  padding: 0;
  gap: 0;
  justify-content: center;
  align-items: center;
  -webkit-tap-highlight-color: rgba(0,0,0,0.08);
}
body.touch-device .sidebar.collapsed .sidebar-item-icon {
  display: none;
}
body.touch-device .sidebar.collapsed .sidebar-item-initial {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--wt-tab-text);
  background: var(--wt-btn-bg);
  text-transform: uppercase;
}
body.touch-device .sidebar.collapsed .sidebar-item.active .sidebar-item-initial {
  background: var(--wt-accent);
  color: #ffffff;
}
body.touch-device .sidebar.collapsed .sidebar-item[data-running="true"] .sidebar-item-initial {
  background: var(--wt-success);
  color: #ffffff;
}
body.touch-device .sidebar.collapsed #sidebar-history .sidebar-item {
  display: none;
}
body.touch-device .sidebar.collapsed ~ .main-area {
  width: calc(100% - 40px);
  margin-left: 40px;
}

body.touch-device .tab-bar {
  height: 40px;
  min-height: 40px;
}
body.touch-device .tab {
  height: 38px;
  padding: 0 6px 0 10px;
  font-size: 13px;
  max-width: 160px;
}
body.touch-device .tab-title {
  line-height: 38px;
}
/* 触摸端关闭按钮缩小，减少误触（24px->20px） */
body.touch-device .tab-close {
  width: 20px;
  height: 20px;
  font-size: 11px;
}
body.touch-device .tab-bar-actions {
  padding: 0 2px;
}
body.touch-device .tab-bar-btn {
  width: 36px;
  height: 32px;
}
body.touch-device .win-btn {
  width: 44px;
  height: 40px;
}

body.touch-device .terminal-stage {
  padding: 8px;
}
/* v8: 移动端 frame 不再撑满/限制尺寸，与桌面端一致跟随 .xterm-screen 实际渲染区。
     旧方案 width:100%/height:100% + max-width/max-height 非等比压缩 frame，
     导致框宽高比改变。v9: 由 applySessionFrameRatio 按会话 frameRatio 反算字号保持比例。 */
body.touch-device .terminal-frame {
  /* 不设置 width/height/max-width/max-height，由 JS applyTerminalFrameSize 设置 */
}

body.touch-device .status-bar {
  height: 28px;
  min-height: 28px;
  font-size: 10px;
  gap: 8px;
  padding: 0 8px;
}
body.touch-device .status-left,
body.touch-device .status-right {
  gap: 8px;
}

body.touch-device .history-dropdown {
  min-width: unset;
  width: calc(100vw - 24px);
  max-width: 360px;
}

body.touch-device .toast-container {
  left: 12px;
  right: 12px;
  top: 8px;
}
body.touch-device .toast {
  max-width: unset;
}

body.touch-device .tab {
  max-width: 120px;
}
body.touch-device .status-item:not(:first-child) {
  display: none;
}
body.touch-device #status-cpu,
body.touch-device #status-mem {
  display: flex !important;
}

button, .tab, .sidebar-item, .history-item, .context-menu-item {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.tab-bar-btn, .win-btn, .sidebar-toggle, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.empty-state {
  animation: fadeIn 0.4s ease;
}
.empty-state-icon {
  opacity: 0.35;
}
.empty-state-text {
  font-size: 15px;
  font-weight: 500;
}
.empty-state-shortcut kbd {
  box-shadow: 0 1px 0 var(--wt-tab-border);
}

.status-bar {
  backdrop-filter: blur(2px);
}

.form-input:focus,
.form-select:focus,
.btn:focus-visible,
.tab-bar-btn:focus-visible,
.win-btn:focus-visible,
.sidebar-toggle:focus-visible,
.sidebar-item:focus-visible,
.tab:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0,120,212,0.35);
}

body[data-theme="dark"] .terminal-frame {
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 8px 32px rgba(0,0,0,0.45);
}
body[data-theme="dark"] .history-dropdown {
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.tab-close {
  border-radius: 5px;
}
@media (hover: hover) {
  .tab-close:hover {
    background: rgba(0,0,0,0.1);
  }
  body[data-theme="dark"] .tab-close:hover {
    background: rgba(255,255,255,0.12);
  }
}

.sidebar-item.active::before {
  box-shadow: 0 0 8px var(--wt-accent);
}