/* =========================================================
   键艺 KeyCraft — 设置弹窗（标签页结构）
   加载顺序：style.css → base.css → practice.css → game.css → settings.css
   纯色、描边、无渐变；颜色全部走 CSS 变量，深色 / 浅色共用。
   ========================================================= */

/* ---------- 减少动效 / 界面密度：全站开关 ---------- */
html[data-reduce-motion="true"] *,
html[data-reduce-motion="true"] *::before,
html[data-reduce-motion="true"] *::after {
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001ms !important;
  scroll-behavior: auto !important;
}

html[data-density="compact"] .section {
  padding: 56px 0;
}

html[data-density="compact"] .page-hero {
  padding: 42px 0 34px;
}

html[data-density="compact"] #settings-overlay .settings-panel {
  padding-top: 13px;
}

html[data-density="compact"] #settings-overlay .settings-group {
  padding-top: 10px;
}

html[data-density="compact"] #settings-overlay .setting-row {
  padding: 8px 0;
}

/* ---------- 弹窗骨架 ---------- */
/* 设置弹窗内的确认框需要盖在设置弹窗之上（style.css 里为 150） */
.result-overlay {
  z-index: 240;
}

#settings-overlay .settings-dialog {
  display: flex;
  flex-direction: column;
  width: min(100%, 860px);
  height: min(680px, calc(100vh - 40px));
  max-height: calc(100vh - 40px);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-top: 2px solid var(--accent);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

#settings-overlay .settings-dialog:focus {
  outline: none;
}

#settings-overlay .settings-dialog-head {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

#settings-overlay .settings-dialog-head .eyebrow {
  font-size: 8.5px;
  letter-spacing: 0.14em;
}

#settings-overlay .settings-dialog-head h2 {
  margin: 4px 0 0;
  color: var(--text);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

#settings-overlay .settings-dialog-head .icon-btn {
  flex-shrink: 0;
}

/* ---------- 桌面：左侧竖排标签 + 右侧内容 ---------- */
#settings-overlay .settings-tabs-layout {
  display: grid;
  flex: 1 1 auto;
  grid-template-columns: 178px minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

#settings-overlay .settings-tabs {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
  padding: 12px 10px;
  border-right: 1px solid var(--line);
  background: var(--panel-2);
  overflow-y: auto;
  scrollbar-width: thin;
}

#settings-overlay .settings-tab {
  display: flex;
  align-items: baseline;
  gap: 9px;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 12.5px;
  line-height: 1.2;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.14s var(--ease), color 0.14s var(--ease), border-color 0.14s var(--ease);
}

#settings-overlay .settings-tab:hover {
  background: var(--panel-3);
  color: var(--text);
}

#settings-overlay .settings-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

#settings-overlay .settings-tab-index {
  flex-shrink: 0;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.06em;
}

#settings-overlay .settings-tab.is-active {
  border-color: var(--line-strong);
  background: var(--panel);
  box-shadow: inset 2px 0 0 var(--accent);
  color: var(--text);
  font-weight: 600;
}

#settings-overlay .settings-tab.is-active .settings-tab-index {
  color: var(--accent);
}

#settings-overlay .settings-panels {
  display: flex;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--panel);
}

#settings-overlay .settings-panel {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  padding: 18px 22px 26px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}

#settings-overlay .settings-panel[hidden] {
  display: none;
}

#settings-overlay .settings-panel::-webkit-scrollbar,
#settings-overlay .settings-tabs::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

#settings-overlay .settings-panel::-webkit-scrollbar-thumb,
#settings-overlay .settings-tabs::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 99px;
  background: var(--line-strong);
  background-clip: padding-box;
}

/* ---------- 面板标题 / 分组 ---------- */
#settings-overlay .settings-panel-head {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

#settings-overlay .settings-panel-head h3 {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

#settings-overlay .settings-panel-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

#settings-overlay .settings-group {
  padding: 14px 0 2px;
}

#settings-overlay .settings-group + .settings-group {
  border-top: 1px solid var(--line);
}

#settings-overlay .settings-group-title {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ---------- 设置行 ---------- */
#settings-overlay .setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  cursor: default;
}

#settings-overlay .setting-row:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

#settings-overlay label.setting-row {
  cursor: pointer;
}

#settings-overlay .setting-row > span {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

#settings-overlay .setting-row strong {
  color: var(--text-soft);
  font-size: 12.5px;
  font-weight: 550;
  line-height: 1.35;
}

#settings-overlay .setting-row small {
  color: var(--dim);
  font-size: 10.5px;
  line-height: 1.55;
}

#settings-overlay .setting-control {
  flex-shrink: 0;
}

/* 开关（复用 style.css 的 .switch 外观） */
#settings-overlay .setting-row input[type="checkbox"]:focus-visible + .switch {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- 分段按钮 ---------- */
#settings-overlay .settings-seg {
  display: inline-flex;
  flex-wrap: nowrap;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-2);
}

#settings-overlay .settings-seg button {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 4px;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.14s var(--ease), color 0.14s var(--ease);
}

#settings-overlay .settings-seg button:hover {
  color: var(--text);
}

#settings-overlay .settings-seg button.is-active {
  background: var(--text);
  color: var(--bg);
}

#settings-overlay .settings-seg button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

/* ---------- 外观：实时预览 ---------- */
#settings-overlay .settings-preview {
  margin: 14px 0 4px;
  padding: 12px 14px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

#settings-overlay .settings-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
}

#settings-overlay .settings-preview-head em {
  color: var(--muted);
  font-style: normal;
  letter-spacing: 0.04em;
}

#settings-overlay .settings-preview-text {
  margin-top: 10px;
  padding-left: 11px;
  border-left: 2px solid var(--accent);
  color: var(--text-soft);
  font-family: var(--font-mono);
  line-height: 1.75;
  transition: width 0.18s var(--ease), font-size 0.18s var(--ease);
}

/* ---------- 声音：音量滑块 ---------- */
#settings-overlay .volume-control {
  display: grid;
  grid-template-columns: minmax(88px, 148px) 38px auto;
  align-items: center;
  gap: 8px;
}

#settings-overlay .volume-control input[type="range"] {
  width: 100%;
  min-width: 0;
}

#settings-overlay .settings-mini-btn {
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--panel-3);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 10px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.14s var(--ease), color 0.14s var(--ease);
}

#settings-overlay .settings-mini-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

#settings-overlay .settings-mini-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* ---------- 键盘：预览 ---------- */
#settings-overlay .settings-kb-preview {
  margin: 14px 0 4px;
  padding: 11px 12px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

#settings-overlay .settings-kb-stage {
  margin-top: 9px;
}

#settings-overlay .settings-kb-stage .kb {
  width: 100%;
  min-width: 0;
}

#settings-overlay .settings-kb-stage .kb-key {
  height: 24px;
}

#settings-overlay .settings-kb-stage .kb .sub {
  font-size: 0.7em;
}

/* 预览跟随「键盘大小」：宽度与键高同步变化 */
#settings-overlay .settings-kb-stage[data-kb-size="s"] {
  width: 88%;
}

#settings-overlay .settings-kb-stage[data-kb-size="s"] .kb {
  --kb-font: 7.5px;
}

#settings-overlay .settings-kb-stage[data-kb-size="s"] .kb-key {
  height: 20px;
}

#settings-overlay .settings-kb-stage[data-kb-size="l"] .kb {
  --kb-font: 10px;
}

#settings-overlay .settings-kb-stage[data-kb-size="l"] .kb-key {
  height: 29px;
}

/* 预览跟随「键帽样式」：与 base.css 的 html[data-keyboard-style] 规则互补，
   直接绑在预览容器上，即使全局属性尚未写入也能看到变化 */
#settings-overlay .settings-kb-stage[data-kb-style="soft"] .kb-key {
  border-radius: 9px;
}

#settings-overlay .settings-kb-stage[data-kb-style="raised"] .kb-key {
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

#settings-overlay .settings-kb-stage[data-kb-style="outline"] .kb {
  border: 1px solid var(--line);
  background: transparent;
}

#settings-overlay .settings-kb-stage[data-kb-style="outline"] .kb-key {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

/* ---------- 快捷键 ---------- */
#settings-overlay .settings-shortcut-list {
  margin-top: 10px;
}

#settings-overlay .settings-shortcut-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  border-radius: 6px;
}

#settings-overlay .settings-shortcut-row:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

#settings-overlay .settings-shortcut-row.is-listening {
  margin: 0 -8px;
  padding: 11px 8px;
  border-bottom-color: transparent;
  background: var(--panel-2);
  box-shadow: inset 2px 0 0 var(--accent);
}

#settings-overlay .settings-shortcut-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

#settings-overlay .settings-shortcut-copy strong {
  color: var(--text-soft);
  font-size: 12.5px;
  font-weight: 550;
  line-height: 1.35;
}

#settings-overlay .settings-shortcut-copy small {
  color: var(--dim);
  font-size: 10.5px;
  line-height: 1.55;
}

#settings-overlay .settings-shortcut-keys {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

#settings-overlay .settings-shortcut-keys kbd {
  padding: 3px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--panel-3);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.3;
  white-space: nowrap;
}

#settings-overlay .settings-shortcut-keys kbd.settings-kbd-empty {
  color: var(--dim);
}

#settings-overlay .settings-shortcut-plus {
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 9px;
}

#settings-overlay .settings-shortcut-actions {
  display: inline-flex;
  flex-shrink: 0;
  gap: 6px;
}

#settings-overlay .settings-shortcut-actions .settings-mini-btn {
  min-width: 64px;
}

#settings-overlay .settings-mini-btn.is-listening {
  border-color: var(--accent);
  background: var(--panel);
  color: var(--accent);
  font-weight: 600;
}

#settings-overlay .settings-mini-btn:disabled,
#settings-overlay .settings-mini-btn[disabled] {
  opacity: 0.4;
  cursor: default;
}

#settings-overlay .settings-mini-btn:disabled:hover,
#settings-overlay .settings-mini-btn[disabled]:hover {
  border-color: var(--line-strong);
  color: var(--muted);
}

#settings-overlay .settings-shortcut-row.is-listening .settings-shortcut-keys kbd {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- 数据：统计 / 目标 / 备份 / 清理 ---------- */
#settings-overlay .settings-mini-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 12px 0 4px;
  border: 1px solid var(--line);
  background: var(--line);
}

#settings-overlay .settings-mini-stats > div {
  padding: 10px 12px;
  background: var(--panel-2);
}

#settings-overlay .settings-mini-stats span {
  display: block;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}

#settings-overlay .settings-mini-stats strong {
  display: block;
  margin-top: 3px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

#settings-overlay .settings-goal {
  padding: 12px 0 2px;
}

#settings-overlay .settings-goal-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: var(--dim);
  font-size: 10px;
}

#settings-overlay .settings-goal-head em {
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 10px;
  font-style: normal;
}

#settings-overlay .settings-bar {
  height: 5px;
  margin-top: 7px;
  overflow: hidden;
  border-radius: 99px;
  background: var(--panel-3);
}

#settings-overlay .settings-bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--accent);
  transition: width 0.2s var(--ease);
}

#settings-overlay .settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

#settings-overlay .settings-actions .btn {
  flex: 1 1 auto;
  min-width: 110px;
}

#settings-overlay .settings-danger-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

#settings-overlay .settings-danger-row:last-of-type {
  border-bottom: 0;
}

#settings-overlay .settings-danger-row > div {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

#settings-overlay .settings-danger-row strong {
  color: var(--text-soft);
  font-size: 12.5px;
  font-weight: 550;
}

#settings-overlay .settings-danger-row small {
  color: var(--dim);
  font-size: 10.5px;
  line-height: 1.55;
}

#settings-overlay .settings-danger-row .btn {
  flex-shrink: 0;
}

#settings-overlay .settings-note {
  margin: 10px 0 0;
  color: var(--dim);
  font-size: 10.5px;
  line-height: 1.7;
}

/* ---------- 关于 ---------- */
#settings-overlay .settings-about-card {
  margin: 14px 0 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

#settings-overlay .settings-about-card .eyebrow {
  font-size: 8px;
}

#settings-overlay .settings-about-card h4 {
  margin: 6px 0 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

#settings-overlay .settings-about-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.75;
}

#settings-overlay .settings-about-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 10px;
}

#settings-overlay .settings-about-meta span {
  color: var(--dim);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

#settings-overlay .settings-about-meta em {
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-style: normal;
  text-align: right;
}

#settings-overlay .settings-key-list {
  margin-top: 10px;
}

#settings-overlay .settings-key-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}

#settings-overlay .settings-key-row:last-child {
  border-bottom: 0;
}

#settings-overlay .settings-key-row kbd {
  min-width: 88px;
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 9.5px;
  text-align: center;
  white-space: nowrap;
}

#settings-overlay .settings-key-row span {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

#settings-overlay .settings-tip {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 14px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 6px;
  background: var(--panel-2);
}

#settings-overlay .settings-tip .eyebrow {
  flex-shrink: 0;
  padding-top: 2px;
  font-size: 8px;
}

#settings-overlay .settings-tip p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

/* ---------- 底部 ---------- */
#settings-overlay .settings-dialog-foot {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 20px;
  border-top: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.04em;
}

#settings-overlay .settings-foot-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

#settings-overlay .settings-foot-tab i {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

#settings-overlay .settings-foot-tab em {
  color: var(--text-soft);
  font-style: normal;
}

/* =========================================================
   手机 / 窄屏：顶部横向可滚动标签
   ========================================================= */
@media (max-width: 820px) {
  #settings-overlay {
    padding: 12px;
  }

  #settings-overlay .settings-tabs-layout {
    display: flex;
    flex-direction: column;
  }

  #settings-overlay .settings-tabs {
    flex: 0 0 auto;
    flex-direction: row;
    gap: 4px;
    padding: 8px 10px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
  }

  #settings-overlay .settings-tabs::-webkit-scrollbar {
    display: none;
  }

  #settings-overlay .settings-tab {
    flex: 0 0 auto;
    width: auto;
    padding: 7px 11px;
    font-size: 12px;
  }

  #settings-overlay .settings-tab.is-active {
    border-color: transparent;
    background: var(--text);
    box-shadow: none;
    color: var(--bg);
  }

  #settings-overlay .settings-tab.is-active .settings-tab-index {
    color: var(--bg);
    opacity: 0.65;
  }

  #settings-overlay .settings-panel {
    padding: 14px 16px 20px;
  }
}

@media (max-width: 560px) {
  #settings-overlay {
    padding: 6px;
  }

  #settings-overlay .settings-dialog {
    height: calc(100vh - 12px);
    max-height: calc(100vh - 12px);
    border-radius: 12px;
  }

  #settings-overlay .settings-dialog-head {
    padding: 12px 14px;
  }

  #settings-overlay .settings-dialog-head h2 {
    font-size: 19px;
  }

  #settings-overlay .settings-tabs {
    padding: 7px 8px;
  }

  #settings-overlay .settings-tab-index {
    display: none;
  }

  #settings-overlay .settings-panel {
    padding: 12px 14px 18px;
  }

  #settings-overlay .setting-row {
    flex-direction: column;
    align-items: stretch;
    gap: 9px;
  }

  #settings-overlay .setting-control {
    width: 100%;
  }

  #settings-overlay .settings-seg {
    display: flex;
    width: 100%;
  }

  #settings-overlay .settings-seg button {
    flex: 1;
    padding: 0 6px;
  }

  #settings-overlay .volume-control {
    grid-template-columns: minmax(0, 1fr) 38px auto;
  }

  #settings-overlay .settings-danger-row {
    flex-direction: column;
    align-items: stretch;
    gap: 9px;
  }

  #settings-overlay .settings-danger-row .btn {
    width: 100%;
  }

  #settings-overlay .settings-actions .btn {
    flex: 1 1 100%;
  }

  #settings-overlay .settings-key-row {
    flex-direction: column;
    gap: 5px;
  }

  #settings-overlay .settings-key-row kbd {
    min-width: 0;
    align-self: flex-start;
  }

  #settings-overlay .settings-shortcut-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 9px;
    padding: 11px 0 12px;
  }

  #settings-overlay .settings-shortcut-row.is-listening {
    margin: 0;
    padding: 11px 8px 12px;
  }

  #settings-overlay .settings-shortcut-keys {
    justify-content: flex-start;
  }

  #settings-overlay .settings-shortcut-actions {
    display: flex;
    gap: 8px;
  }

  #settings-overlay .settings-shortcut-actions .settings-mini-btn {
    flex: 1 1 auto;
    min-height: 30px;
  }

  #settings-overlay .settings-kb-stage[data-kb-size="s"] {
    width: 100%;
  }

  #settings-overlay .settings-dialog-foot {
    padding: 9px 14px;
  }
}