/**
 * soft-keyboard.css —— 软键盘样式（全模式等高固定 + 多行展开候选面板 + 一键清空升级版）
 * ------------------------------------------------------------------
 * 所有视觉都通过 .sk-panel 上的 CSS 变量控制，改主题只需覆盖变量，无需动结构。
 * 字母 / 数字 / 符号 / 手写 四种键盘模式以及「更多 ▾」多行大面板均严格保持固定总高度。
 */

.sk-panel {
  /* ------- 主题变量（可整体覆盖） ------- */
  --sk-bg: #f4f6fa;
  --sk-panel-bg: #ffffff;
  --sk-key-bg: #ffffff;
  --sk-key-bg-hover: #eef3fb;
  --sk-key-bg-active: #dbe8fa;
  --sk-fn-bg: #e7ecf4;
  --sk-fn-text: #46566a;
  --sk-text: #1f2a37;
  --sk-muted: #93a1b1;
  --sk-border: #e2e8f0;
  --sk-accent: #2f6fed;
  --sk-accent-soft: #e8f0ff;
  --sk-danger: #dc2626;
  --sk-danger-soft: #fef2f2;
  --sk-danger-border: #fecaca;
  --sk-shadow: 0 -6px 24px rgba(16, 32, 64, 0.12);
  --sk-radius: 10px;
  --sk-gap: 6px;
  --sk-key-height: 46px;
  --sk-body-height: calc(var(--sk-key-height) * 4 + var(--sk-gap) * 3);
  --sk-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 9999;
  width: 100%;
  max-width: 780px;
  box-sizing: border-box;
  transform: translate(-50%, 110%);
  transition: transform 0.22s cubic-bezier(0.22, 0.61, 0.36, 1);
  background: var(--sk-panel-bg);
  border: 1px solid var(--sk-border);
  border-bottom: none;
  border-radius: 16px 16px 0 0;
  box-shadow: var(--sk-shadow);
  font-family: var(--sk-font);
  color: var(--sk-text);
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  padding: 8px 10px 10px;
}

.sk-panel.is-open {
  transform: translate(-50%, 0);
}

/* ---------------- 顶部（固定 36px） ---------------- */

.sk-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 36px;
  min-height: 36px;
  max-height: 36px;
  margin-bottom: 6px;
  padding-bottom: 0;
  box-sizing: border-box;
}

.sk-tabs {
  display: flex;
  gap: 2px;
  background: var(--sk-bg);
  border-radius: 10px;
  padding: 3px;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.sk-tabs::-webkit-scrollbar {
  display: none;
}

.sk-tab {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--sk-fn-text);
  font-family: inherit;
  font-size: 12.5px;
  line-height: 1;
  padding: 7px 9px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  flex: 0 0 auto;
  transition: background 0.15s, color 0.15s;
}

.sk-tab:hover {
  background: var(--sk-key-bg-hover);
}

.sk-tab.is-active {
  background: var(--sk-panel-bg);
  color: var(--sk-accent);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(16, 32, 64, 0.12);
}

.sk-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sk-clear-btn {
  appearance: none;
  border: 1px solid var(--sk-danger-border);
  background: var(--sk-danger-soft);
  color: var(--sk-danger);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.sk-clear-btn:hover {
  background: #fee2e2;
  border-color: #fca5a5;
}

.sk-collapse {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--sk-muted);
  font-family: inherit;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}

.sk-collapse:hover {
  background: var(--sk-bg);
  color: var(--sk-text);
}

/* ---------------- 拼音缓冲 + 候选词（固定 68px，永不塌陷） ---------------- */

.sk-preview {
  height: 68px;
  min-height: 68px;
  max-height: 68px;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
}

.sk-buffer {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 24px;
  min-height: 24px;
  max-height: 24px;
  padding: 0 4px 4px;
  font-size: 14px;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--sk-border);
  margin-bottom: 0;
  overflow: hidden;
  white-space: nowrap;
  box-sizing: border-box;
}

.sk-buffer-text {
  color: var(--sk-text);
  font-weight: 500;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sk-buffer-text.is-placeholder {
  color: var(--sk-muted);
  font-weight: 400;
  font-size: 13px;
}

.sk-buffer-tail {
  color: var(--sk-accent);
  border-bottom: 2px solid var(--sk-accent);
}

.sk-buffer-hint {
  flex: 0 0 auto;
  color: var(--sk-accent);
  font-size: 12px;
  background: var(--sk-accent-soft);
  padding: 1px 6px;
  border-radius: 4px;
}

.sk-buffer-hint:empty {
  display: none;
}

.sk-buffer-clear {
  flex: 0 0 auto;
  appearance: none;
  border: 1px solid var(--sk-border);
  background: var(--sk-bg);
  color: var(--sk-fn-text);
  font-family: inherit;
  font-size: 11px;
  line-height: 1;
  padding: 3px 7px;
  border-radius: 5px;
  cursor: pointer;
}

.sk-buffer-clear:hover {
  background: var(--sk-danger-soft);
  color: var(--sk-danger);
  border-color: var(--sk-danger-border);
}

.sk-candidates {
  height: 38px;
  min-height: 38px;
  max-height: 38px;
  box-sizing: border-box;
}

.sk-cand-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 38px;
  min-height: 38px;
  max-height: 38px;
  box-sizing: border-box;
}

.sk-cand-list {
  display: flex;
  align-items: center;
  gap: 5px;
  flex: 1;
  height: 36px;
  min-width: 0;
  overflow: hidden;
}

.sk-cand-placeholder {
  width: 100%;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--sk-border);
  border-radius: 8px;
  background: #fafbfd;
  color: var(--sk-muted);
  font-size: 12px;
  padding: 0 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  box-sizing: border-box;
}

.sk-cand-item {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  height: 36px;
  padding: 0 6px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-key-bg);
  color: var(--sk-text);
  font-family: inherit;
  font-size: 16px;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
  box-sizing: border-box;
}

.sk-cand-item:hover {
  background: var(--sk-key-bg-hover);
  border-color: var(--sk-accent);
}

.sk-cand-item.is-first {
  background: var(--sk-accent-soft);
  border-color: var(--sk-accent);
  font-weight: 600;
}

.sk-cand-word {
  pointer-events: none;
}

.sk-cand-badge {
  position: absolute;
  top: 1px;
  left: 3px;
  font-size: 9px;
  line-height: 1;
  color: #fff;
  background: var(--sk-accent);
  border-radius: 4px;
  padding: 2px 3px;
  pointer-events: none;
}

.sk-cand-nav {
  flex: 0 0 28px;
  height: 36px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-key-bg);
  color: var(--sk-fn-text);
  font-size: 16px;
  cursor: pointer;
  box-sizing: border-box;
}

.sk-cand-nav:disabled {
  opacity: 0.35;
  cursor: default;
}

.sk-cand-info {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--sk-muted);
  min-width: 34px;
  text-align: center;
}

.sk-cand-more {
  flex: 0 0 auto;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--sk-accent);
  border-radius: 8px;
  background: var(--sk-accent-soft);
  color: var(--sk-accent);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
  box-sizing: border-box;
}

.sk-cand-more:hover:not(:disabled) {
  background: var(--sk-accent);
  color: #fff;
}

.sk-cand-more.is-active {
  background: var(--sk-accent);
  color: #fff;
}

.sk-cand-more:disabled {
  border-color: var(--sk-border);
  background: var(--sk-bg);
  color: var(--sk-muted);
  opacity: 0.5;
  cursor: default;
}

/* ---------------- 按键区 & 多行展开更多面板（统一固定高度 --sk-body-height） ---------------- */

.sk-body {
  position: relative;
  height: var(--sk-body-height);
  min-height: var(--sk-body-height);
  max-height: var(--sk-body-height);
  padding-top: 0;
  box-sizing: border-box;
}

/* 「更多 ▾」展开后的多行网格候选大面板（覆盖在按键区上，保持总高度完全不变） */
.sk-more-panel {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 20;
  background: var(--sk-panel-bg);
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
  box-sizing: border-box;
}

.sk-more-panel.is-open {
  display: flex;
}

.sk-more-grid {
  flex: 1 1 0;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(36px, 1fr);
  gap: 6px;
  overflow-y: auto;
  padding-right: 2px;
  box-sizing: border-box;
}

/* 单字主导模式（如手写识别或单字拼音）：一页 8 列 × 4 行 = 32 个文字 */
.sk-more-grid.is-single-char {
  grid-template-columns: repeat(8, 1fr);
}

.sk-more-item {
  position: relative;
  height: 100%;
  min-height: 36px;
  padding: 0 6px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-key-bg);
  color: var(--sk-text);
  font-family: inherit;
  font-size: 16px;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
  box-sizing: border-box;
}

.sk-more-grid.is-single-char .sk-more-item {
  font-size: 18px;
}

.sk-more-item.is-wide {
  grid-column: span 2;
}

.sk-more-item:hover {
  background: var(--sk-key-bg-hover);
  border-color: var(--sk-accent);
}

.sk-more-item.is-first {
  background: var(--sk-accent-soft);
  border-color: var(--sk-accent);
  font-weight: 600;
}

.sk-more-bar {
  flex: 0 0 34px;
  height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-sizing: border-box;
}

.sk-more-btn {
  flex: 0 0 auto;
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-fn-bg);
  color: var(--sk-fn-text);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  box-sizing: border-box;
}

.sk-more-btn:hover:not(:disabled) {
  background: var(--sk-key-bg-hover);
  border-color: var(--sk-accent);
}

.sk-more-btn:disabled {
  opacity: 0.38;
  cursor: default;
}

.sk-more-btn-danger {
  background: var(--sk-danger-soft);
  border-color: var(--sk-danger-border);
  color: var(--sk-danger);
}

.sk-more-btn-primary {
  background: var(--sk-accent);
  border-color: var(--sk-accent);
  color: #fff;
  font-weight: 600;
}

.sk-more-info {
  flex: 1 1 auto;
  text-align: center;
  font-size: 12px;
  color: var(--sk-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sk-page {
  display: none;
  height: 100%;
  box-sizing: border-box;
}

.sk-page.is-active {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: var(--sk-gap);
}

.sk-row {
  display: flex;
  flex: 1 1 0;
  min-height: 0;
  gap: var(--sk-gap);
  margin-bottom: 0;
}

.sk-key {
  flex: 1 1 0;
  min-width: 0;
  height: 100%;
  border: 1px solid var(--sk-border);
  border-radius: var(--sk-radius);
  background: var(--sk-key-bg);
  color: var(--sk-text);
  font-family: inherit;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  touch-action: none;
  box-shadow: 0 1px 1px rgba(16, 32, 64, 0.06);
  transition: background 0.12s, transform 0.06s, color 0.12s;
  box-sizing: border-box;
  padding: 0 2px;
}

.sk-page[data-mode="symbol"] .sk-key {
  font-size: 15px;
}

.sk-key:hover {
  background: var(--sk-key-bg-hover);
}

.sk-key:active {
  background: var(--sk-key-bg-active);
  transform: scale(0.96);
}

.sk-key-fn {
  background: var(--sk-fn-bg);
  color: var(--sk-fn-text);
  font-size: 14px;
}

.sk-key-fn.is-active {
  background: var(--sk-accent);
  color: #fff;
}

.sk-key-danger {
  background: var(--sk-danger-soft);
  border-color: var(--sk-danger-border);
  color: var(--sk-danger);
  font-weight: 500;
}

.sk-key-danger:hover {
  background: #fee2e2;
}

.sk-key-wide {
  flex: 1.5 1 0;
}

.sk-key-space {
  flex: 3.4 1 0;
  font-size: 13px;
  color: var(--sk-fn-text);
}

.sk-key-enter {
  flex: 1.5 1 0;
  background: var(--sk-accent);
  border-color: var(--sk-accent);
  color: #fff;
  font-weight: 600;
}

.sk-key-enter:hover {
  background: #2560d8;
}

/* ---------------- 手写面板（与按键区完全等高，含内建翻页与更多按钮） ---------------- */

.sk-hand-host {
  height: 100%;
  box-sizing: border-box;
}

.sk-hand {
  --sk-pad: var(--sk-body-height);
  display: flex;
  gap: 10px;
  height: var(--sk-body-height);
  min-height: var(--sk-body-height);
  max-height: var(--sk-body-height);
  box-sizing: border-box;
}

.sk-hand-pad {
  position: relative;
  flex: 0 0 var(--sk-pad);
  width: var(--sk-pad);
  height: var(--sk-pad);
  border: 1px dashed #c3d3e6;
  border-radius: 12px;
  background: #fbfdff;
  overflow: hidden;
  box-sizing: border-box;
}

.sk-hand-canvas {
  position: absolute;
  inset: 0;
  touch-action: none;
  cursor: crosshair;
}

.sk-hand-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #b9c6d6;
  font-size: 14px;
  padding: 0 12px;
  text-align: center;
  pointer-events: none;
}

.sk-hand-status {
  position: absolute;
  right: 8px;
  bottom: 6px;
  font-size: 11px;
  color: var(--sk-accent);
  pointer-events: none;
}

.sk-hand-side {
  flex: 1 1 0;
  min-width: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 6px;
  box-sizing: border-box;
}

.sk-hand-tools {
  display: flex;
  gap: 6px;
  flex: 0 0 32px;
}

.sk-hand-btn {
  flex: 1;
  height: 32px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-fn-bg);
  color: var(--sk-fn-text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  box-sizing: border-box;
  padding: 0 4px;
  white-space: nowrap;
}

.sk-hand-btn:hover:not(:disabled) {
  background: var(--sk-key-bg-hover);
}

.sk-hand-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.sk-hand-btn-danger {
  background: var(--sk-danger-soft);
  border-color: var(--sk-danger-border);
  color: var(--sk-danger);
}

.sk-hand-btn-primary {
  background: var(--sk-accent);
  border-color: var(--sk-accent);
  color: #fff;
  font-weight: 600;
}

.sk-hand-result {
  flex: 1 1 0;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 6px;
  overflow: hidden;
}

.sk-hand-cand {
  height: 100%;
  min-height: 34px;
  border: 1px solid var(--sk-border);
  border-radius: 9px;
  background: var(--sk-key-bg);
  color: var(--sk-text);
  font-family: inherit;
  font-size: 21px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  box-sizing: border-box;
}

.sk-hand-cand.is-first {
  background: var(--sk-accent-soft);
  border-color: var(--sk-accent);
  font-weight: 600;
}

.sk-hand-cand:hover {
  background: var(--sk-accent-soft);
  border-color: var(--sk-accent);
}

.sk-hand-empty {
  grid-column: 1 / -1;
  grid-row: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--sk-border);
  border-radius: 9px;
  background: #fafbfd;
  color: var(--sk-muted);
  font-size: 12px;
  padding: 0 10px;
  text-align: center;
}

.sk-hand-pager {
  flex: 0 0 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  box-sizing: border-box;
}

.sk-hand-page-btn {
  flex: 0 0 68px;
  height: 28px;
  border: 1px solid var(--sk-border);
  border-radius: 7px;
  background: var(--sk-key-bg);
  color: var(--sk-fn-text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  box-sizing: border-box;
}

.sk-hand-page-btn:hover:not(:disabled) {
  background: var(--sk-key-bg-hover);
  border-color: var(--sk-accent);
}

.sk-hand-page-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.sk-hand-page-info {
  flex: 1 1 auto;
  font-size: 11px;
  color: var(--sk-muted);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------- 窄屏适配 ---------------- */

@media (max-width: 640px) {
  .sk-panel {
    --sk-key-height: 42px;
    --sk-gap: 5px;
    --sk-radius: 9px;
    padding: 6px 6px 8px;
  }

  .sk-key {
    font-size: 15px;
  }

  .sk-page[data-mode="symbol"] .sk-key {
    font-size: 13px;
  }

  .sk-tab {
    padding: 6px 10px;
    font-size: 12px;
  }

  .sk-hand-cand {
    font-size: 18px;
  }

  .sk-more-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .sk-more-grid.is-single-char {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* ================================================================
 * 以下为 8 模式扩展样式：英文 / 表情 / 短语 / 工具 / 长按弹层 / 深色主题
 * ================================================================ */

/* ---------------- 窄键（方向键） ---------------- */

.sk-key-narrow {
  flex: 0.72 1 0;
  font-size: 16px;
}

/* ---------------- 深色主题 ---------------- */

.sk-panel.sk-theme-dark {
  --sk-bg: #1b2130;
  --sk-panel-bg: #232a3a;
  --sk-key-bg: #2b3446;
  --sk-key-bg-hover: #35405a;
  --sk-key-bg-active: #3f4b67;
  --sk-fn-bg: #333d52;
  --sk-fn-text: #c6d2e4;
  --sk-text: #eef3fb;
  --sk-muted: #8b9ab1;
  --sk-border: #3a4459;
  --sk-accent: #5b93ff;
  --sk-accent-soft: #2a3b5c;
  --sk-danger: #ff6b6b;
  --sk-danger-soft: #3a2a2f;
  --sk-danger-border: #5c3a3f;
  --sk-shadow: 0 -6px 24px rgba(0, 0, 0, 0.45);
}

.sk-theme-dark .sk-cand-placeholder,
.sk-theme-dark .sk-hand-empty,
.sk-theme-dark .sk-panel-empty {
  background: #202634;
  color: var(--sk-muted);
}

.sk-theme-dark .sk-hand-pad {
  background: #1d2331;
  border-color: #3d4a63;
}

.sk-theme-dark .sk-hand-canvas {
  filter: invert(0.92) hue-rotate(180deg);
}

.sk-theme-dark .sk-key {
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.35);
}

/* ---------------- 面板页（表情 / 短语 / 工具） ---------------- */

/* 面板模式（表情/短语/工具）内容更多，临时加高键盘并隐藏候选栏，退出即复原 */
.sk-panel.is-panel-mode {
  --sk-body-height: 342px;
}

.sk-panel.is-panel-mode .sk-preview {
  display: none;
}

.sk-panel.is-panel-mode .sk-header {
  margin-bottom: 8px;
}

.sk-page-panel.is-active {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 6px;
  overflow: hidden;
}

.sk-chip-row {
  flex: 0 0 30px;
  display: flex;
  align-items: center;
  gap: 5px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  box-sizing: border-box;
}

.sk-chip-row::-webkit-scrollbar { display: none; }

.sk-chip {
  flex: 0 0 auto;
  height: 28px;
  padding: 0 12px;
  border: 1px solid var(--sk-border);
  border-radius: 14px;
  background: var(--sk-key-bg);
  color: var(--sk-fn-text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.sk-chip.is-active {
  background: var(--sk-accent);
  border-color: var(--sk-accent);
  color: #fff;
  font-weight: 600;
}

.sk-chip-primary {
  background: var(--sk-accent-soft);
  border-color: var(--sk-accent);
  color: var(--sk-accent);
  font-weight: 600;
}

/* ---------------- 表情面板 ---------------- */

.sk-emoji-grid {
  flex: 1 1 0;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(34px, 1fr);
  gap: 5px;
  overflow-y: auto;
  padding-right: 2px;
}

.sk-emoji-item {
  height: 100%;
  min-height: 32px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-key-bg);
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, transform 0.06s;
}

.sk-emoji-item:hover {
  background: var(--sk-accent-soft);
  border-color: var(--sk-accent);
}

.sk-emoji-item:active {
  transform: scale(0.9);
}

/* ---------------- 短语面板 ---------------- */

.sk-phrase-list {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-right: 2px;
}

.sk-phrase-row {
  display: flex;
  align-items: stretch;
  gap: 5px;
  flex: 0 0 auto;
}

.sk-phrase-item {
  flex: 1 1 auto;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-key-bg);
  color: var(--sk-text);
  font-family: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sk-phrase-item:hover {
  background: var(--sk-accent-soft);
  border-color: var(--sk-accent);
}

.sk-phrase-del {
  flex: 0 0 34px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-fn-bg);
  color: var(--sk-muted);
  font-size: 13px;
  cursor: pointer;
}

.sk-phrase-del:hover {
  background: var(--sk-danger-soft);
  border-color: var(--sk-danger-border);
  color: var(--sk-danger);
}

/* ---------------- 工具面板 ---------------- */

.sk-tools-scroll {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  padding-right: 2px;
}

.sk-panel-title {
  font-size: 11px;
  color: var(--sk-muted);
  letter-spacing: 0.5px;
  margin: 4px 0 5px;
  font-weight: 600;
}

.sk-panel-title:first-child { margin-top: 0; }

.sk-tool-row {
  display: flex;
  gap: 5px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.sk-tool-btn {
  flex: 1 1 0;
  min-width: 68px;
  height: 32px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-key-bg);
  color: var(--sk-text);
  font-family: inherit;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
  padding: 0 8px;
}

.sk-tool-btn:hover {
  background: var(--sk-accent-soft);
  border-color: var(--sk-accent);
  color: var(--sk-accent);
}

.sk-settings {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sk-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-key-bg);
  cursor: pointer;
  box-sizing: border-box;
}

.sk-setting-label {
  font-size: 13px;
  color: var(--sk-text);
}

.sk-switch {
  position: relative;
  flex: 0 0 36px;
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--sk-fn-bg);
  border: 1px solid var(--sk-border);
  transition: background 0.18s;
  box-sizing: border-box;
}

.sk-switch-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  transition: transform 0.18s;
}

.sk-switch.is-on {
  background: var(--sk-accent);
  border-color: var(--sk-accent);
}

.sk-switch.is-on .sk-switch-knob {
  transform: translateX(16px);
}

.sk-seg {
  display: flex;
  gap: 3px;
}

.sk-seg-btn {
  width: 34px;
  height: 24px;
  border: 1px solid var(--sk-border);
  border-radius: 6px;
  background: var(--sk-fn-bg);
  color: var(--sk-fn-text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}

.sk-seg-btn.is-active {
  background: var(--sk-accent);
  border-color: var(--sk-accent);
  color: #fff;
  font-weight: 600;
}

.sk-stat-box {
  margin: 8px 0 4px;
  padding: 8px 10px;
  border: 1px dashed var(--sk-border);
  border-radius: 8px;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--sk-muted);
  white-space: pre-line;
}

.sk-panel-empty {
  padding: 16px;
  text-align: center;
  color: var(--sk-muted);
  font-size: 12px;
  border: 1px dashed var(--sk-border);
  border-radius: 8px;
}

/* ---------------- 长按扩展键弹层 ---------------- */

.sk-longpress-pop {
  position: absolute;
  z-index: 40;
  display: flex;
  gap: 4px;
  padding: 5px;
  border-radius: 10px;
  background: var(--sk-panel-bg);
  border: 1px solid var(--sk-border);
  box-shadow: 0 8px 24px rgba(16, 32, 64, 0.22);
}

.sk-longpress-item {
  width: 36px;
  height: 36px;
  border: 1px solid var(--sk-border);
  border-radius: 8px;
  background: var(--sk-key-bg);
  color: var(--sk-text);
  font-family: inherit;
  font-size: 17px;
  cursor: pointer;
}

.sk-longpress-item:hover {
  background: var(--sk-accent);
  border-color: var(--sk-accent);
  color: #fff;
}

/* ---------------- 轻提示 ---------------- */

.sk-toast {
  position: absolute;
  left: 50%;
  bottom: calc(var(--sk-body-height) + 84px);
  transform: translate(-50%, 8px);
  padding: 7px 16px;
  border-radius: 18px;
  background: rgba(24, 32, 48, 0.9);
  color: #fff;
  font-size: 12.5px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  white-space: nowrap;
  max-width: 80%;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 50;
}

.sk-toast.is-show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------------- 手写区提示文字 ---------------- */

.sk-hand-hint {
  position: absolute;
  left: 8px;
  top: 6px;
  font-size: 11px;
  color: #c2cfdf;
  pointer-events: none;
}

/* ---------------- 窄屏适配（面板） ---------------- */

@media (max-width: 640px) {
  .sk-tab {
    padding: 6px 7px;
    font-size: 12px;
  }

  .sk-emoji-grid {
    grid-template-columns: repeat(8, 1fr);
  }

  .sk-tool-btn {
    min-width: 58px;
    font-size: 12px;
  }

  .sk-setting-label {
    font-size: 12px;
  }
}