/* ============================================================
   题匣 · 外壳组件：侧栏 / 顶栏 / 弹层 / 通用控件
   ============================================================ */

/* ==================== 侧栏 ==================== */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  border-right: 1px solid var(--line0);
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper1);
  z-index: 30;
}

.brand {
  padding: 24px 22px 0;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 品牌印章：实心红底，印泥内描边 */
.brand-seal {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: var(--color-brand);
  color: var(--color-on-brand);
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1.5px rgba(255, 247, 239, 0.38);
  user-select: none;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.25;
}

.brand-sub {
  font-size: var(--text-2xs);
  color: var(--ink2);
  letter-spacing: 0.05em;
  margin-top: 1px;
}

.brand .double-rule {
  margin: 16px 2px 0;
}

.side-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px 20px;
}

.side-group + .side-group {
  margin-top: 22px;
}

.side-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  min-height: 36px;
  padding: 7px 10px 7px 12px;
  border-radius: var(--radius);
  font-size: var(--text-base);
  color: var(--ink1);
  transition: background 0.12s ease, color 0.12s ease;
}

.side-item:hover {
  background: var(--color-hover-wash);
  color: var(--ink0);
}

/* 当前项：一体的浅蓝底 + 蓝字，不加任何额外挂件 */
.side-item.is-active {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-weight: 600;
}

.side-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-topic .side-label {
  font-family: var(--font-serif);
  font-size: var(--text-base);
}

.side-count {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--ink3);
  flex-shrink: 0;
}

.side-count.warn {
  color: var(--ink1);
  font-weight: 600;
}

.side-item.is-active .side-count {
  color: var(--color-accent);
}

/* 知识点行的微型进度条：做过的行才亮起来 */
.side-bar {
  width: 28px;
  height: 2px;
  border-radius: 999px;
  background: var(--line0);
  overflow: hidden;
  flex-shrink: 0;
}

.side-bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--color-accent);
}

.side-bar.all i {
  background: var(--color-success);
}

.side-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-2xs);
  letter-spacing: 0.16em;
  color: var(--ink2);
  margin: 0 10px 6px;
}

.side-eyebrow::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--line0);
}

/* ---- 可折叠的科目大类（三级缩进：科目 → 小分类 → 知识点）---- */
.side-group {
  /* 分组容器 */
}

.side-sub-head {
  font-weight: 600;
  color: var(--ink0);
  letter-spacing: 0.06em;
  font-size: var(--text-sm);
}

.side-sub-head .side-label {
  flex: 1;
}

.side-sub-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.24s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.side-group.open > .side-sub-body {
  grid-template-rows: 1fr;
}

/* 科目大类展开时箭头旋转朝下 */
.side-group.open > .side-sub-head .side-chevron {
  transform: rotate(90deg);
}

.side-sub-inner {
  overflow: hidden;
  min-height: 0;
  padding-left: 8px;
  /* 收起时移出 Tab 序列与读屏树；visibility 可参与过渡，收起动画结束才隐藏 */
  visibility: hidden;
  transition: visibility 0.24s;
}

.side-group.open > .side-sub-body .side-sub-inner {
  visibility: visible;
}

/* 「其他知识点」分组弱化样式 */
.side-loose-head {
  color: var(--ink2);
  font-weight: 500;
}
.side-loose-head .side-label {
  color: var(--ink2);
}

/* ---- 可折叠的小分类(官方二级分类) ---- */
.side-sec {
  margin-top: 2px;
}

.side-sec-head {
  font-weight: 500;
  font-size: var(--text-sm);
}

.side-chevron {
  flex-shrink: 0;
  color: var(--ink2);
  transition: transform 0.24s cubic-bezier(0.25, 0.1, 0.25, 1);
  margin-left: -3px;
}

.side-sec.open > .side-sec-head .side-chevron {
  transform: rotate(90deg);
}

.side-sec-head .side-count {
  font-size: var(--text-2xs);
}

/* 丝滑展开:grid-rows 0fr→1fr,高度自适应内容 */
.side-sec-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.24s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.side-sec.open > .side-sec-body {
  grid-template-rows: 1fr;
}

.side-sec-inner {
  overflow: hidden;
  min-height: 0;
  /* 树形导轨：细线对齐上级箭头中线，层级一眼可读 */
  margin-left: 17px;
  padding-left: 7px;
  border-left: 1px solid var(--line0);
  /* 收起时移出 Tab 序列与读屏树 */
  visibility: hidden;
  transition: visibility 0.24s;
}

.side-sec.open > .side-sec-body .side-sec-inner {
  visibility: visible;
}

.side-sec-inner .side-topic {
  padding-left: 10px;
}

.side-foot {
  border-top: 1px solid var(--line0);
  padding: 12px 12px 16px;
}

/* 键盘用户可快速跳过重复导航。 */
.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 9px 14px;
  border-radius: var(--radius-xs);
  color: var(--color-on-accent);
  background: var(--color-accent);
  box-shadow: var(--shadow-pop);
  font-weight: 600;
}

.skip-link:focus {
  transform: none;
}

.scrim {
  display: none;
}

/* ==================== 顶栏 ==================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 14px;
  height: 60px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line0);
  background: var(--paper1);
  background: color-mix(in srgb, var(--paper1) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.top-crumb {
  font-size: var(--text-2xs);
  letter-spacing: 0.14em;
  color: var(--ink2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 42%;
}

.topbar-spacer {
  flex: 1;
}

/* 搜索框：明确可发现，同时保持顶栏安静。 */
.search {
  position: relative;
}

.search-input {
  width: 200px;
  min-height: 38px;
  padding: 7px 12px 7px 34px;
  font-size: var(--text-sm);
  color: var(--ink0);
  background: var(--paper0);
  border: 1px solid var(--color-border-control);
  border-radius: var(--radius-xs);
  transition: width 0.18s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-input::placeholder {
  color: var(--ink2);
}

.search-input:focus {
  outline: none;
  width: 260px;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink2);
  font-size: var(--text-sm);
  pointer-events: none;
}

.top-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line1);
  flex-shrink: 0;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  display: grid;
  place-items: center;
  font-size: var(--text-md);
  color: var(--ink1);
  transition: background 0.12s ease, color 0.12s ease;
  flex-shrink: 0;
}

.icon-btn:hover {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.menu-btn {
  display: none;
}

/* ==================== 视图卷头（各页面通用开头） ==================== */
.view-head {
  margin-bottom: 22px;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-xs);
  color: var(--ink2);
  margin-bottom: 10px;
}

.crumb a {
  color: var(--ink2);
}

.crumb a:hover {
  color: var(--color-accent);
}

.view-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.view-title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.3;
}

.view-title.grand {
  font-size: var(--text-3xl);
  letter-spacing: 0.18em;
}

.view-stats {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink2);
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  padding-bottom: 4px;
}

.view-stats b {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--ink0);
}

.view-stats .warn b {
  color: var(--ink0);
}

.view-stats .sep {
  color: var(--line1);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.toolbar-spacer {
  flex: 1;
}

/* ==================== 通用控件 ==================== */
.seg {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: transparent;
}

.seg-btn {
  min-height: 32px;
  padding: 5px 2px 4px;
  font-size: var(--text-sm);
  color: var(--ink1);
  border-bottom: 2px solid transparent;
  transition: border-color 0.12s ease, color 0.12s ease;
}

.seg-btn:hover {
  color: var(--color-accent);
}

.seg-btn.is-on {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
  font-weight: 600;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--ink1);
  user-select: none;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-track {
  width: 36px;
  height: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-control);
  background: transparent;
  position: relative;
  transition: background 0.15s ease;
  flex-shrink: 0;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 2.5px;
  left: 2.5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--paper1);
  transition: transform 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.switch input:checked + .switch-track {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.switch input:checked + .switch-track::after {
  transform: translateX(16px);
}

.switch input:focus-visible + .switch-track {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.tag {
  font-size: var(--text-2xs);
  letter-spacing: 0.08em;
  color: var(--ink2);
  border: 1px solid var(--line1);
  border-radius: var(--radius-xs);
  padding: 1px 7px;
  line-height: 1.6;
  white-space: nowrap;
}

.tag-multi {
  color: var(--color-text-secondary);
  border-color: var(--color-border-strong);
}

/* 智能练习等原因标签：统一中性样式，靠文案区分含义 */
.tag-reason {
  color: var(--color-text-secondary);
  border-color: var(--color-border-subtle);
  background: var(--color-surface-raised);
}

.tag-caution {
  color: var(--color-caution);
  border-color: color-mix(in srgb, var(--color-caution) 28%, var(--color-border-subtle));
  background: var(--color-caution-subtle);
}

.dots {
  display: inline-flex;
  gap: 3px;
  align-items: center;
}

.dots i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line1);
}

.dots i.on {
  background: var(--color-accent);
}

.kbd {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  border: 1px solid var(--line1);
  border-bottom-width: 2px;
  border-radius: var(--radius-xs);
  padding: 0 5px;
  background: var(--paper1);
  color: var(--ink1);
  margin: 0 1px;
  white-space: nowrap;
}

/* ==================== 空状态 ==================== */
.empty {
  border: 1.5px dashed var(--line1);
  border-radius: 0;
  padding: 54px 28px;
  text-align: center;
  margin-top: 24px;
}

.empty-mark {
  font-family: var(--font-serif);
  font-size: 32px;
  color: var(--ink3);
  line-height: 1;
  margin-bottom: 16px;
}

.empty-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.empty-body {
  font-size: var(--text-sm);
  color: var(--ink2);
  line-height: 2.1;
  max-width: 430px;
  margin: 0 auto 20px;
}

.empty-body code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
}

/* ==================== 弹层 ==================== */
.modal-wrap {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal-mask {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0.965) translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.modal {
  position: relative;
  width: min(500px, 100%);
  max-height: min(660px, 88vh);
  overflow-y: auto;
  background: var(--paper1);
  border: 1px solid var(--line0);
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  padding: 24px 28px 26px;
  animation: pop-in 0.16s ease-out both;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.14em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.modal-close {
  font-size: var(--text-lg);
  color: var(--ink2);
  padding: 4px 8px;
  border-radius: var(--radius);
  line-height: 1;
}

.modal-close:hover {
  color: var(--ink0);
  background: var(--paper2);
}

.set-group {
  margin-top: 18px;
}

.set-group-title {
  font-size: var(--text-2xs);
  letter-spacing: 0.18em;
  color: var(--ink2);
  margin-bottom: 2px;
}

.set-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line0);
  font-size: var(--text-base);
}

.set-row:last-child {
  border-bottom: none;
}

.set-label small {
  display: block;
  font-size: var(--text-xs);
  color: var(--ink2);
  margin-top: 1px;
  line-height: 1.7;
}

.set-warn {
  color: var(--ink2);
}

/* 夜间色调：无外层胶囊或大卡片，用色条与文字直接表达选择。 */
.tone-options {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 16px;
}

.tone-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 32px;
  padding: 4px 1px;
  color: var(--ink1);
  border-bottom: 2px solid transparent;
  font-size: var(--text-sm);
  transition: color 0.12s ease, border-color 0.12s ease;
}

.tone-btn::before {
  content: "";
  width: 16px;
  height: 10px;
  border: 1px solid var(--tone-line);
  background: linear-gradient(90deg, var(--tone-bg) 0 58%, var(--tone-accent) 58%);
}

.tone-btn[data-val="graphite"] {
  --tone-bg: var(--tone-graphite-bg);
  --tone-line: var(--tone-graphite-line);
  --tone-accent: var(--tone-graphite-accent);
}

.tone-btn[data-val="ocean"] {
  --tone-bg: var(--tone-ocean-bg);
  --tone-line: var(--tone-ocean-line);
  --tone-accent: var(--tone-ocean-accent);
}

.tone-btn[data-val="dusk"] {
  --tone-bg: var(--tone-dusk-bg);
  --tone-line: var(--tone-dusk-line);
  --tone-accent: var(--tone-dusk-accent);
}

.tone-btn:hover,
.tone-btn.is-on {
  color: var(--color-accent);
}

.tone-btn.is-on {
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

/* 导入批次管理行 */
.bank-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line0);
  font-size: var(--text-sm);
}

.bank-row:last-child {
  border-bottom: none;
}

.bank-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bank-meta {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--ink2);
  flex-shrink: 0;
}

/* 批次管理升级：筛选条 + 可展开行 */
.bank-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.bank-search {
  font-size: var(--text-xs);
  padding: 5px 9px;
}

.bank-sub-filter {
  font-size: var(--text-xs);
  padding: 5px 9px;
  height: auto;
}

.bank-rows {
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--line0);
  border-radius: 0;
  padding: 0 10px;
}

/* 新版 bank-row 是纵向容器：head 横排 + body 展开 */
.bank-row[data-bank-id] {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 0;
}

.bank-row-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line0);
  font-size: var(--text-sm);
}

.bank-row[data-bank-id]:last-child .bank-row-head {
  border-bottom: none;
}

.bank-row.is-open .bank-row-head {
  border-bottom-color: var(--line1);
}

.bank-row-head .bank-name {
  flex: 1;
  cursor: pointer;
}

.bank-row-head .bank-meta {
  font-size: var(--text-2xs);
}

.bank-row-body {
  padding: 6px 0 10px 14px;
  border-bottom: 1px dashed var(--line0);
}

.bank-row[data-bank-id]:last-child .bank-row-body {
  border-bottom: none;
}

.bank-q {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: var(--text-xs);
  color: var(--ink1);
  border-bottom: 1px solid var(--line0);
}

.bank-q:last-child {
  border-bottom: none;
}

.bank-q-no {
  color: var(--ink3);
  font-family: var(--font-mono);
  flex-shrink: 0;
  width: 22px;
  text-align: right;
}

.bank-q-stem {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bank-q-topic {
  color: var(--ink2);
  font-size: var(--text-2xs);
  flex-shrink: 0;
}

.bank-q-ans {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
}

.bank-q-empty {
  padding: 12px 0;
  font-size: var(--text-xs);
  color: var(--ink3);
  text-align: center;
}

.kbd-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
}

.kbd-table td {
  padding: 9px 4px;
  border-bottom: 1px solid var(--line0);
  font-size: var(--text-sm);
}

.kbd-table td:first-child {
  width: 46%;
  color: var(--ink1);
}

.kbd-table tr:last-child td {
  border-bottom: none;
}

/* ==================== Toast ==================== */
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translate(-50%, 10px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  z-index: 60;
  background: var(--color-toast-bg);
  color: var(--color-toast-text);
  font-size: var(--text-sm);
  padding: 9px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-pop);
  animation: toast-in 0.18s ease-out both;
  max-width: calc(100vw - 40px);
}

/* ==================== 响应式外壳 ==================== */
@media (max-width: 960px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 45;
    transform: translateX(-103%);
    transition: transform 0.22s ease;
  }

  .app.nav-open .sidebar {
    transform: none;
    box-shadow: var(--shadow-pop);
  }

  .app.nav-open .scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 40;
    background: var(--color-overlay);
  }

  .menu-btn {
    display: grid;
  }

  .topbar {
    padding: 0 16px;
    gap: 10px;
  }

  .top-crumb {
    display: none;
  }

  .content {
    padding: 22px 18px 130px;
  }

  .search-input,
  .search-input:focus {
    width: 168px;
  }
}

@media (max-width: 600px) {
  .view-title.grand {
    font-size: var(--text-2xl);
  }

  .view-title {
    font-size: 22px;
  }

  .search-input,
  .search-input:focus {
    width: 132px;
  }

  .content {
    padding: 18px 14px 130px;
  }

  .topbar {
    height: 56px;
    padding: 0 12px;
    gap: 8px;
  }

  .top-dot {
    display: none;
  }
}

/* ==================== 题目编辑弹层 ==================== */
.edit-form {
  padding: 4px 2px 2px;
  max-height: 70vh;
  overflow-y: auto;
}

.edit-row {
  display: block;
  margin-bottom: 14px;
}

.edit-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--ink2);
  margin-bottom: 5px;
  letter-spacing: 0.04em;
}

.edit-hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--ink3);
  margin-top: 4px;
}

.edit-opts {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.edit-opt-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.edit-opt-letter {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.edit-opt-text {
  flex: 1;
}

.edit-opt-rich {
  font-size: var(--text-2xs);
  color: var(--color-caution);
  flex-shrink: 0;
}

.edit-opts-acts {
  margin-top: 8px;
}

.edit-acts {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line0);
}

/* 删除确认 */
.del-confirm {
  padding: 4px 2px;
}

.del-confirm p {
  margin: 0 0 10px;
  font-size: var(--text-base);
}

.del-preview {
  background: var(--paper1);
  border: 1px solid var(--line0);
  border-radius: 0;
  padding: 10px 12px;
  font-size: var(--text-sm);
  color: var(--ink1);
  margin-bottom: 12px;
  line-height: 1.6;
}

.del-warn {
  color: var(--color-caution);
  font-size: var(--text-sm);
}

.del-acts {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 16px;
}

/* 触屏放大命中区：视觉尺寸不变，靠内边距把可点区域撑到 ≥40px */
@media (hover: none) {
  .icon-btn {
    min-width: 40px;
    min-height: 40px;
  }

  .btn-sm {
    min-height: 40px;
  }
}