/* karin · 设置 — 暖色玻璃刊面 */

.karin-settings-app {
  --st-bg: #F8F9FB;
  --st-bg-warm: #F1F4F8;
  --st-card-bg: rgba(255, 255, 255, 0.72);
  --st-card-bg-hover: rgba(255, 255, 255, 0.88);
  --st-text-primary: #1A1A1A;
  --st-text-secondary: #6B6B6B;
  --st-text-tertiary: #999999;
  --st-text-muted: #B8B5B0;
  --st-accent: #007AFF;
  --st-accent-soft: rgba(0, 122, 255, 0.08);
  --st-accent-warm: #E85D4C;
  --st-accent-warm-soft: rgba(232, 93, 76, 0.08);
  --st-border: rgba(0, 0, 0, 0.04);
  --st-border-strong: rgba(0, 0, 0, 0.08);
  --st-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --st-shadow-md: 0 8px 32px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.03);
  --st-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.08), 0 8px 20px rgba(0, 0, 0, 0.04);
  --st-shadow-float: 0 30px 80px rgba(0, 0, 0, 0.1), 0 12px 30px rgba(0, 0, 0, 0.05);
  font-family: 'Noto Serif SC', 'Inter', serif;
  color: var(--st-text-primary);
  background: var(--st-bg) !important;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  /* 必须保持 fixed 全屏；relative 会覆盖 karin-apps.css 导致容器随内容坍缩（日志 drawerH=3） */
  position: fixed;
  inset: 0;
  overflow: hidden;
  /* 修复：karin-apps.css 中本类与 .karin-chat-app 同为 z-index:500，
     而 .karin-chat-app 在 DOM 中位于本元素之后，层级相同时后者会盖在上面。
     从「联系人聊天设置」页内跳转打开本设置面板（API 设置等）时，
     聊天设置页仍保持打开以便返回（见 karin-settings-app.js 的
     returnToChatContactSettings），若不提高层级会被聊天页盖住，
     表现为"API 设置界面在底下、和当前界面叠在一起"。
     只调到刚好盖过 .karin-chat-app(500)，仍低于 520+ 的子层浮层
     （如 API 预设选择器 karin-st-presets-app:520），避免影响那些
     需要盖在设置页之上的弹层。 */
  z-index: 505;
}

/* ─── Ambient ─── */
.karin-settings-app .st-ambient-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.karin-settings-app .st-ambient-bg::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.04) 0%, transparent 70%);
  animation: stAmbientDrift 20s ease-in-out infinite;
}

.karin-settings-app .st-ambient-bg::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -15%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(232, 93, 76, 0.03) 0%, transparent 70%);
  animation: stAmbientDrift 25s ease-in-out infinite reverse;
}

@keyframes stAmbientDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

.karin-settings-app .st-deco-ornament {
  position: absolute;
  font-family: 'Playfair Display', serif;
  color: var(--st-text-muted);
  opacity: 0.06;
  font-size: 120px;
  line-height: 1;
  user-select: none;
  pointer-events: none;
  z-index: 0;
}

/* ─── Navbar ─── */
.karin-settings-app .st-navbar {
  position: relative;
  z-index: 5;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: calc(env(safe-area-inset-top, 0px) + 10px) 20px 10px;
  background: linear-gradient(180deg, rgba(245, 243, 239, 0.96) 0%, rgba(245, 243, 239, 0) 100%);
}

.karin-settings-app .st-navback {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px 8px 8px;
  border: 1px solid var(--st-border-strong);
  border-radius: 14px;
  background: var(--st-card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--st-text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  cursor: pointer;
  box-shadow: var(--st-shadow-sm);
  transition: all 0.3s ease;
}

.karin-settings-app .st-navback:active {
  transform: scale(0.97);
}

.karin-settings-app .st-navback svg {
  flex-shrink: 0;
}

.karin-settings-app .st-navtitle {
  flex: 1;
  margin: 0;
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.3px;
}

.karin-settings-app .st-navspacer {
  width: 72px;
  flex-shrink: 0;
}

/* ─── Scroll / Container ─── */
.karin-settings-app .st-scroll {
  position: relative;
  z-index: 1;
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: none;
  touch-action: pan-y;
  padding: 0 0 calc(40px + env(safe-area-inset-bottom, 0px));
}

.karin-settings-app .st-container {
  position: relative;
  max-width: 100%;
  overflow-x: hidden;
  padding: 0 20px 24px;
}

/* ─── Header ─── */
.karin-settings-app .st-header {
  padding-top: 8px;
  padding-bottom: 28px;
  position: relative;
}

.karin-settings-app .st-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--st-text-tertiary);
  margin-bottom: 16px;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.karin-settings-app .st-header--topnav,
.karin-worldbook-app .st-header--topnav {
  padding-top: calc(env(safe-area-inset-top, 0px) + 8px);
}

.karin-settings-app .st-panel-topbar {
  position: relative;
  z-index: 10;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(env(safe-area-inset-top, 0px) + 8px) 16px 0;
}

/* 顶栏返回按钮：与「聊天设置」页保持完全一致的药丸造型 */
.karin-settings-app .st-panel-topbar .st-navback {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  padding: 8px 12px 8px 8px;
  border: 1px solid var(--st-border-strong);
  border-radius: 14px;
  background: var(--st-card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--st-text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: var(--st-shadow-sm);
  -webkit-appearance: none;
  appearance: none;
}
.karin-settings-app .st-panel-topbar .st-navback:active { transform: scale(0.97); }

/* 顶栏标题：与聊天设置页同款居中标题。
   顶栏是 flex + space-between，左右两侧控件宽度不等会把标题挤出屏幕中心；
   这里给左右两侧各留一个等宽槽位，保证「联系人聊天设置」等长标题恒定居中。 */
.karin-settings-app .st-panel-topbar .st-navtitle {
  flex: 1;
  margin: 0;
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.3px;
  color: var(--st-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 返回键只留箭头图标，宽度收敛到与右侧保存键同一档 */
.karin-settings-app .st-panel-topbar .st-navback span {
  display: none;
}

.karin-settings-app .st-panel-topbar .st-navback {
  padding: 8px;
}

/* 无保存键的面板（如「联系人聊天设置」）补等宽占位，避免标题被顶到左侧 */
.karin-settings-app .st-panel-topbar::after {
  content: '';
  flex-shrink: 0;
  width: 38px;
}

.karin-settings-app .st-panel-topbar:has(> .st-topbar-save:not([hidden]))::after {
  display: none;
}

/* 顶栏右侧常驻保存：API 面板不用滚到底就能保存 */
.karin-settings-app .st-topbar-save {
  flex-shrink: 0;
  margin-left: auto;
  min-width: 38px;
  padding: 7px 16px;
  border: none;
  border-radius: 999px;
  /* 同 .st-action-btn--primary：纯色兜底 + 渐变，避免 var() 失效导致
     整条 background 被丢弃、按钮变成白底白字。 */
  background-color: #007AFF;
  background-image: linear-gradient(135deg, var(--st-accent, #007AFF), #5AC8FA);
  color: #fff;
  -webkit-text-fill-color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.25);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.karin-settings-app .st-topbar-save:active { transform: scale(0.97); }
.karin-settings-app .st-topbar-save[hidden] { display: none !important; }

.karin-settings-app .st-header-badge::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--st-text-muted);
}

.karin-settings-app .st-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 8vw, 38px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.5px;
  color: var(--st-text-primary);
  margin-bottom: 10px;
}

.karin-settings-app .st-header h2 em {
  font-style: italic;
  font-weight: 400;
  color: var(--st-text-secondary);
}

.karin-settings-app .st-header h2 .st-header-script,
.karin-worldbook-app .st-header h2 .st-header-script {
  font-family: 'Great Vibes', cursive;
  font-size: clamp(38px, 10vw, 46px);
  font-weight: 400;
  font-style: normal;
  color: var(--st-text-secondary);
  letter-spacing: 1px;
  line-height: 1.15;
}

.karin-settings-app .st-header-sub {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  font-weight: 300;
  font-style: italic;
  color: var(--st-text-tertiary);
  letter-spacing: 0.5px;
  line-height: 1.6;
}

/* ─── Section Labels ─── */
.karin-settings-app .st-section-label {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--st-text-tertiary);
  margin: 32px 0 14px 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.karin-settings-app .st-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--st-border-strong), transparent);
  margin-left: 4px;
}

/* ─── Cards ─── */
.karin-settings-app .st-card {
  background: var(--st-card-bg);
  border-radius: 24px;
  padding: 4px 12px;
  margin-bottom: 12px;
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
  border: 1px solid var(--st-border);
  box-shadow: var(--st-shadow-md);
  transition: none;
  position: relative;
  overflow: hidden;
}

.karin-settings-app .st-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  pointer-events: none;
}

.karin-settings-app .st-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 6px;
  position: relative;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  color: inherit;
  cursor: pointer;
  font: inherit;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.karin-settings-app .st-card-row:active,
.karin-settings-app .st-io-card:active,
.karin-settings-app .st-feature-card--clickable:active {
  opacity: 0.72;
}

.karin-settings-app .st-card-row + .st-card-row::before {
  content: '';
  position: absolute;
  top: 0;
  left: 52px;
  right: 0;
  height: 1px;
  background: var(--st-border);
}

.karin-settings-app .st-card-row-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.karin-settings-app .st-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}

.karin-settings-app .st-card-icon::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 14px;
  background: inherit;
  opacity: 0.15;
  filter: blur(8px);
}

.karin-settings-app .st-card-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.8;
  position: relative;
  z-index: 1;
}

.karin-settings-app .st-card-icon--blue { background: var(--st-accent-soft); color: var(--st-accent); }
.karin-settings-app .st-card-icon--warm { background: var(--st-accent-warm-soft); color: var(--st-accent-warm); }
.karin-settings-app .st-card-icon--gray { background: rgba(0, 0, 0, 0.04); color: var(--st-text-secondary); }
.karin-settings-app .st-card-icon--green { background: rgba(52, 199, 89, 0.08); color: #34C759; }

.karin-settings-app .st-card-label {
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--st-text-primary);
  letter-spacing: 0.3px;
}

.karin-settings-app .st-card-desc {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--st-text-tertiary);
  margin-top: 2px;
  letter-spacing: 0.2px;
}

.karin-settings-app .st-chevron {
  color: var(--st-text-muted);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.karin-settings-app .st-card-row--static {
  cursor: default;
}

.karin-settings-app .st-card-row--static:hover .st-chevron {
  color: var(--st-text-muted);
  transform: none;
}

.karin-settings-app button.st-card-row:hover .st-chevron {
  color: var(--st-accent);
  transform: translateX(2px);
}

/* ─── Feature Cards ─── */
.karin-settings-app .st-feature-card {
  background: var(--st-card-bg);
  border-radius: 28px;
  padding: 24px 20px;
  margin-bottom: 14px;
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
  border: 1px solid var(--st-border);
  box-shadow: var(--st-shadow-lg);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  overflow: hidden;
}

.karin-settings-app .st-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  pointer-events: none;
}

.karin-settings-app .st-feature-card--clickable {
  cursor: pointer;
  border: none;
  width: 100%;
  text-align: left;
  font: inherit;
  color: inherit;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.karin-settings-app .st-feature-card--clickable:active {
  transform: scale(0.995);
}

.karin-settings-app .st-deco-number {
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: 'Playfair Display', serif;
  font-size: 42px;
  font-weight: 300;
  font-style: italic;
  color: var(--st-text-muted);
  opacity: 0.08;
  line-height: 1;
  pointer-events: none;
}

.karin-settings-app .st-feature-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.karin-settings-app .st-feature-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 500;
  color: var(--st-text-primary);
  letter-spacing: -0.3px;
  line-height: 1.3;
}

.karin-settings-app .st-feature-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--st-text-secondary);
}

.karin-settings-app .st-feature-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--st-text-tertiary);
  margin-top: 6px;
  letter-spacing: 0.3px;
}

.karin-settings-app .st-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  flex-shrink: 0;
}

/* ─── Nested card in feature ─── */
.karin-settings-app .st-inner-card {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  padding: 4px 10px;
  border: 1px solid var(--st-border);
  margin-top: 4px;
}

/* ─── IO Cards ─── */
.karin-settings-app .st-io-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 16px;
  cursor: pointer;
  border: none;
  width: 100%;
  text-align: left;
  font: inherit;
  color: inherit;
  background: var(--st-card-bg);
  border-radius: 24px;
  margin-bottom: 12px;
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
  border: 1px solid var(--st-border);
  box-shadow: var(--st-shadow-md);
  transition: none;
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.karin-settings-app .st-io-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.karin-settings-app .st-io-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--st-shadow-lg);
  background: var(--st-card-bg-hover);
}

.karin-settings-app .st-io-card:active {
  transform: translateY(0) scale(0.995);
}

.karin-settings-app .st-io-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}

.karin-settings-app .st-io-icon--export {
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.08), rgba(90, 200, 250, 0.08));
  color: var(--st-accent);
}

.karin-settings-app .st-io-icon--import {
  background: linear-gradient(135deg, rgba(52, 199, 89, 0.08), rgba(48, 209, 88, 0.08));
  color: #34C759;
}

.karin-settings-app .st-io-icon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 18px;
  background: inherit;
  opacity: 0.12;
  filter: blur(10px);
}

.karin-settings-app .st-io-icon svg {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 1;
}

.karin-settings-app .st-io-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--st-text-primary);
}

.karin-settings-app .st-io-desc {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--st-text-tertiary);
  margin-top: 3px;
}

.karin-settings-app .st-io-arrow {
  margin-left: auto;
  color: var(--st-text-muted);
  transition: transform 0.3s ease;
}

.karin-settings-app .st-io-card:hover .st-io-arrow {
  transform: translateX(4px);
  color: var(--st-accent);
}

/* ─── Stats Grid ─── */
.karin-settings-app .st-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.karin-settings-app .st-stat-item {
  background: rgba(0, 0, 0, 0.02);
  border-radius: 20px;
  padding: 16px 12px;
  text-align: center;
  border: 1px solid var(--st-border);
  transition: all 0.3s ease;
}

.karin-settings-app .st-stat-value {
  font-family: 'Playfair Display', serif;
  font-size: 26px;
  font-weight: 500;
  color: var(--st-text-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.karin-settings-app .st-stat-value em {
  font-style: italic;
  font-weight: 400;
  color: var(--st-text-secondary);
  font-size: 0.65em;
}

.karin-settings-app .st-stat-label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--st-text-tertiary);
  letter-spacing: 0.5px;
}

.karin-settings-app .st-stat-bar {
  width: 100%;
  height: 3px;
  background: var(--st-border);
  border-radius: 2px;
  margin-top: 10px;
  overflow: hidden;
}

.karin-settings-app .st-stat-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--st-accent), #5AC8FA);
  transition: width 1.5s cubic-bezier(0.23, 1, 0.32, 1);
  width: 0;
}

.karin-settings-app .st-stat-bar-fill--warm {
  background: linear-gradient(90deg, #FF9500, #FFCC00);
}

.karin-settings-app .st-stat-bar-fill--green {
  background: linear-gradient(90deg, #34C759, #30D158);
}

/* ─── Toggle ─── */
.karin-settings-app .ins-toggle {
  position: relative;
  width: 52px;
  height: 30px;
  border-radius: 15px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  flex-shrink: 0;
  border: none;
  outline: none;
  background: var(--st-border-strong);
  -webkit-appearance: none;
  appearance: none;
}
.karin-igapp .ins-toggle {
  position: relative;
  width: 52px;
  height: 30px;
  border-radius: 15px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  flex-shrink: 0;
  border: none;
  outline: none;
  background: var(--st-border-strong);
  -webkit-appearance: none;
  appearance: none;
}

.karin-settings-app .ins-toggle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.karin-settings-app .ins-toggle.is-on {
  background: linear-gradient(135deg, var(--st-accent), #5AC8FA);
  border-color: transparent;
}
.karin-igapp .ins-toggle.is-on {
  background: linear-gradient(135deg, var(--st-accent), #5AC8FA);
  border-color: transparent;
}

.karin-settings-app .ins-toggle.is-on::after {
  transform: translateX(22px);
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
}

/* ─── Action Buttons ─── */
.karin-settings-app .st-btn-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.karin-settings-app .st-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  border: 1px solid var(--st-border, rgba(0, 0, 0, 0.04));
  background: var(--st-card-bg, rgba(255, 255, 255, 0.72));
  color: var(--st-text-primary, #1A1A1A);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.karin-igapp .st-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  border: 1px solid var(--st-border, rgba(0, 0, 0, 0.04));
  background: var(--st-card-bg, rgba(255, 255, 255, 0.72));
  color: var(--st-text-primary, #1A1A1A);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.karin-settings-app .st-action-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--st-shadow-md);
  background: var(--st-card-bg-hover);
}

.karin-settings-app .st-action-btn:active {
  transform: translateY(0);
}

.karin-settings-app .st-action-btn--primary {
  /* 纯色兜底在前、渐变在后：两条都是独立声明，后一条若整体无效（变量缺失/
     解析失败）会被丢弃，前一条仍然生效。反之若只写一条 background 简写，
     只要其中有 var() 解析失败，整条声明作废 —— 按钮就会变成
     白底(继承)＋白字，看起来是个「空按钮」，只剩外面那圈蓝色光晕。
     注意声明顺序不能颠倒。 */
  background-color: #007AFF;
  background-image: linear-gradient(135deg, var(--st-accent, #007AFF), #5AC8FA);
  color: #FFFFFF;
  -webkit-text-fill-color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.25);
}
.karin-igapp .st-action-btn--primary {
  /* 纯色兜底在前、渐变在后：两条都是独立声明，后一条若整体无效（变量缺失/
     解析失败）会被丢弃，前一条仍然生效。反之若只写一条 background 简写，
     只要其中有 var() 解析失败，整条声明作废 —— 按钮就会变成
     白底(继承)＋白字，看起来是个「空按钮」，只剩外面那圈蓝色光晕。
     注意声明顺序不能颠倒。 */
  background-color: #007AFF;
  background-image: linear-gradient(135deg, var(--st-accent, #007AFF), #5AC8FA);
  color: #FFFFFF;
  -webkit-text-fill-color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.25);
}

.karin-settings-app .st-action-btn--primary:hover {
  box-shadow: 0 6px 24px rgba(0, 122, 255, 0.35);
}

/* ─── Notification Preview ─── */
.karin-settings-app .st-notify-demo {
  margin-top: 12px;
  padding: 14px;
  background: rgba(0, 0, 0, 0.015);
  border-radius: 20px;
  border: 1px solid var(--st-border);
}

.karin-settings-app .st-notify-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: white;
  border-radius: 16px;
  box-shadow: var(--st-shadow-sm);
  margin-bottom: 8px;
}

.karin-settings-app .st-notify-item:last-child {
  margin-bottom: 0;
}

.karin-settings-app .st-notify-avatar {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, #E8ECF1, #D2D9E2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.karin-settings-app .st-notify-avatar svg {
  width: 16px;
  height: 16px;
  color: var(--st-text-secondary);
}

.karin-settings-app .st-notify-content {
  flex: 1;
  min-width: 0;
}

.karin-settings-app .st-notify-title {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--st-text-primary);
}

.karin-settings-app .st-notify-text {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--st-text-tertiary);
  margin-top: 2px;
}

.karin-settings-app .st-notify-time {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  color: var(--st-text-muted);
  flex-shrink: 0;
}

/* ─── Footer ─── */
.karin-settings-app .st-footer {
  margin-top: 36px;
  text-align: center;
  padding-bottom: 16px;
}

.karin-settings-app .st-footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: 14px;
  font-style: italic;
  color: var(--st-text-muted);
  letter-spacing: 1px;
}

.karin-settings-app .st-footer-version {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  color: var(--st-text-muted);
  margin-top: 6px;
  letter-spacing: 1px;
}

/* ─── Drawer Panels ─── */
/* 未进入任何子页时，抽屉整层必须彻底不可见：
   之前只设 visibility:hidden + z-index:-1，安卓上会在打开设置的瞬间
   先按过渡初值绘一帧，左上角白色返回键闪一下才消失。
   这里同时锁掉 opacity / 子元素可见性 / 过渡，杜绝闪现。 */
.karin-settings-app.is-open:not(.has-panel):not(.is-panel-returning) .ins-vault-drawer {
  display: flex;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  z-index: -1;
  transition: none;
}

.karin-settings-app.is-open:not(.has-panel):not(.is-panel-returning) .ins-vault-drawer * {
  visibility: hidden;
  pointer-events: none;
}

/* 抽屉可见时把子元素恢复回来，避免上面的兜底规则误伤面板内容 */
.karin-settings-app.has-panel .ins-vault-drawer *,
.karin-settings-app.is-panel-returning .ins-vault-drawer * {
  visibility: visible;
}

/* 预热对话 API 面板布局：抽屉临时可见以便浏览器完成真实排版 */
.karin-settings-app.is-priming-chat-panel .ins-vault-drawer {
  visibility: visible !important;
  opacity: 0 !important;
  pointer-events: none !important;
  z-index: -1;
}

.karin-settings-app.is-priming-chat-panel #karin-st-panel-chat.is-active {
  visibility: visible;
  opacity: 0;
  transform: translateX(0);
  pointer-events: none;
}

.karin-settings-app .ins-vault-drawer {
  top: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
}

.karin-settings-app.has-panel .ins-vault-drawer,
.karin-settings-app.is-panel-returning .ins-vault-drawer {
  pointer-events: auto;
  background: var(--st-bg);
}

.karin-settings-app .ins-vault-panel {
  top: calc(env(safe-area-inset-top, 0px) + 52px);
  padding: 8px 20px calc(24px + env(safe-area-inset-bottom, 0px));
  overflow-x: hidden;
  overscroll-behavior-x: none;
  touch-action: pan-y;
}

.karin-settings-app .ins-vault-home,
.karin-settings-app .ins-vault-panel,
.karin-settings-app .ins-vault-footer {
  transition: none !important;
}

.karin-settings-app .ins-vault-panel:not(.is-active) {
  visibility: hidden;
}

.karin-settings-app .ins-vault-panel.is-active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  visibility: visible;
}

.karin-settings-app .ins-vault-panel.is-leaving {
  opacity: 1;
  transform: translateX(100%);
  pointer-events: none;
  visibility: visible;
}

.karin-settings-app .st-form-section__title {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--st-text-tertiary);
  margin: 20px 0 10px 4px;
}
.karin-igapp .st-form-section__title {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--st-text-tertiary);
  margin: 20px 0 10px 4px;
}

.karin-settings-app .st-form-card {
  background: var(--st-card-bg);
  border-radius: 20px;
  padding: 18px 16px;
  margin-bottom: 12px;
  border: 1px solid var(--st-border);
  box-shadow: var(--st-shadow-md);
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
}
.karin-igapp .st-form-card {
  background: var(--st-card-bg);
  border-radius: 20px;
  padding: 18px 16px;
  margin-bottom: 12px;
  border: 1px solid var(--st-border);
  box-shadow: var(--st-shadow-md);
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
}

/* 抽屉内表单去掉毛玻璃，对话 API 等多卡片页首次进入更跟手 */
.karin-settings-app .ins-vault-panel .st-form-card {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: rgba(255, 255, 255, 0.96);
}

.karin-settings-app .st-form-hint {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--st-text-tertiary);
  margin-bottom: 14px;
  line-height: 1.5;
}
.karin-igapp .st-form-hint {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--st-text-tertiary);
  margin-bottom: 14px;
  line-height: 1.5;
}

.karin-settings-app .ins-field-label {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--st-text-tertiary);
  margin-bottom: 8px;
}
.karin-igapp .ins-field-label {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--st-text-tertiary);
  margin-bottom: 8px;
}

.karin-settings-app .ins-text-input,
.karin-settings-app .ins-select,
.karin-settings-app .ins-textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--st-border);
  border-radius: 16px;
  padding: 14px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--st-text-primary);
  box-shadow: none;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}
.karin-igapp .ins-text-input,
.karin-igapp .ins-select,
.karin-igapp .ins-textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--st-border);
  border-radius: 16px;
  padding: 14px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--st-text-primary);
  box-shadow: none;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

.karin-settings-app .ins-text-input:focus,
.karin-settings-app .ins-select:focus,
.karin-settings-app .ins-textarea:focus {
  background: rgba(0, 122, 255, 0.02);
  border-color: rgba(0, 122, 255, 0.2);
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.06);
  outline: none;
}

.karin-settings-app .ins-icon-btn {
  border-radius: 14px;
  border: 1px solid var(--st-border);
  background: rgba(255, 255, 255, 0.8);
}
.karin-igapp .ins-icon-btn {
  border-radius: 14px;
  border: 1px solid var(--st-border);
  background: rgba(255, 255, 255, 0.8);
}

.karin-settings-app .ins-inline-field .ins-select {
  flex: 1;
  margin-bottom: 0;
  min-width: 0;
}
.karin-igapp .ins-inline-field .ins-select {
  flex: 1;
  margin-bottom: 0;
  min-width: 0;
}

.karin-settings-app .ins-range {
  accent-color: var(--st-accent);
}
.karin-igapp .ins-range {
  accent-color: var(--st-accent);
}

.karin-settings-app .st-toggle-in-form {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--st-border);
}
.karin-igapp .st-toggle-in-form {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--st-border);
}

.karin-settings-app .st-toggle-in-form strong {
  font-family: 'Noto Serif SC', serif;
  font-size: 14px;
  font-weight: 500;
}
.karin-igapp .st-toggle-in-form strong {
  font-family: 'Noto Serif SC', serif;
  font-size: 14px;
  font-weight: 500;
}

.karin-settings-app .st-save-btn {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 14px 24px;
  border-radius: 16px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, var(--st-accent), #5AC8FA);
  color: white;
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.25);
  transition: all 0.3s ease;
}

.karin-settings-app .st-save-btn:active {
  transform: scale(0.98);
}

.karin-settings-app .st-foot-btn {
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid var(--st-border);
  background: var(--st-card-bg);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--st-text-secondary);
  cursor: pointer;
}

.karin-settings-app .ins-chip {
  border-radius: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
}

.karin-settings-app .ins-chip--gold {
  background: linear-gradient(135deg, var(--st-accent), #5AC8FA);
  color: white;
  border: none;
}

.karin-settings-app .ins-chip--danger {
  color: var(--st-accent-warm);
  border-color: rgba(232, 93, 76, 0.25);
}

.karin-settings-app ::selection {
  background: rgba(0, 122, 255, 0.15);
  color: var(--st-text-primary);
}

.karin-settings-app.has-panel:not(.is-panel-returning) .ins-vault-home {
  display: none !important;
  opacity: 0;
  transform: translateX(-28px);
  pointer-events: none;
}

.karin-settings-app.is-panel-returning .ins-vault-home {
  display: block !important;
  opacity: 1;
  transform: translateX(0);
  pointer-events: none;
}

.karin-settings-app.is-panel-returning .ins-vault-drawer {
  pointer-events: none;
}

/* Contact settings panel inside settings */
.karin-settings-app .karin-ct-intro {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--st-text-tertiary);
  line-height: 1.55;
  margin-bottom: 14px;
}

.karin-settings-app .karin-ct-card {
  background: var(--st-card-bg);
  border-radius: 20px;
  padding: 16px;
  margin-bottom: 12px;
  border: 1px solid var(--st-border);
  box-shadow: var(--st-shadow-sm);
}

.karin-settings-app .karin-ct-card__kicker {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--st-text-tertiary);
  margin-bottom: 10px;
}

.karin-settings-app .karin-ct-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--st-border);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 13px;
}

.karin-settings-app .karin-ct-btn {
  border-radius: 14px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  padding: 12px 20px;
  border: 1px solid var(--st-border);
  background: var(--st-card-bg);
  cursor: pointer;
}

.karin-settings-app .karin-ct-btn--primary {
  background: linear-gradient(135deg, var(--st-accent), #5AC8FA);
  color: white;
  border: none;
}

/* 列表行内的小按钮（如「聊天默认值」里的「恢复」）：
   收窄内边距，避免在行内把行高撑得过高。 */
.karin-settings-app .karin-ct-btn--sm {
  padding: 7px 14px;
  font-size: 12px;
  border-radius: 11px;
  flex: 0 0 auto;
}

.karin-settings-app .karin-ct-row__text strong {
  font-family: 'Noto Serif SC', serif;
  font-size: 14px;
  font-weight: 500;
}

.karin-settings-app .karin-ct-row__hint {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--st-text-tertiary);
}

/* 消息提示音 */
.karin-settings-app .st-msgsound-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 4px 0;
}

.karin-settings-app .st-msgsound-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.karin-settings-app .st-msgsound-item:last-child {
  border-bottom: none;
}

.karin-settings-app .st-msgsound-item.is-selected .st-msgsound-item__name {
  color: var(--st-accent);
  font-weight: 500;
}

.karin-settings-app .st-msgsound-item__pick {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.karin-settings-app .st-msgsound-item__radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.18);
  display: block;
  position: relative;
  transition: border-color 0.15s;
}

.karin-settings-app .st-msgsound-item.is-selected .st-msgsound-item__radio {
  border-color: var(--st-accent);
}

.karin-settings-app .st-msgsound-item.is-selected .st-msgsound-item__radio::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--st-accent);
}

.karin-settings-app .st-msgsound-item__name {
  flex: 1;
  font-family: 'Noto Serif SC', serif;
  font-size: 14px;
  color: var(--st-text-primary);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.karin-settings-app .st-msgsound-item__preview {
  flex-shrink: 0;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--st-border);
  background: rgba(0, 0, 0, 0.02);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--st-text-secondary);
  cursor: pointer;
}

.karin-settings-app .st-msgsound-item__preview:active {
  transform: scale(0.96);
}

.karin-settings-app .st-msgsound-item__del {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 59, 48, 0.08);
  color: #FF3B30;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.karin-settings-app .st-msgsound-empty {
  margin: 12px 0 4px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--st-text-tertiary);
  text-align: center;
}

.karin-settings-app .st-msgsound-upload-btn {
  width: 100%;
  margin-bottom: 8px;
}

.karin-ig-provider-pick {
  border: none;
  margin: 12px 0 0;
  padding: 0;
}

.karin-ig-provider-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--st-text-secondary, #666);
  cursor: pointer;
}

.karin-ig-test-wrap {
  min-height: 120px;
  margin-bottom: 12px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.karin-ig-test {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: 16px;
  text-align: center;
}

.karin-ig-test img {
  max-width: 100%;
  max-height: 280px;
  border-radius: 8px;
  object-fit: contain;
}

.karin-ig-test--busy p,
.karin-ig-test--err p {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--st-text-secondary, #666);
}

.karin-ig-test__spin {
  width: 28px;
  height: 28px;
  border: 2px solid rgba(0, 0, 0, 0.12);
  border-top-color: var(--st-accent, #c9a962);
  border-radius: 50%;
  animation: karin-ig-spin 0.8s linear infinite;
}

@keyframes karin-ig-spin {
  to { transform: rotate(360deg); }
}

.karin-ig-preset-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin-top: 4px;
}

.karin-ig-preset-actions .st-action-btn {
  flex: 1 1 0;
  min-width: 0;
  padding: 12px 8px;
  justify-content: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 数据备份导出/导入进度 */
.st-backup-progress {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.st-backup-progress.is-show {
  opacity: 1;
  pointer-events: auto;
}

.st-backup-progress__veil {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.28);
  backdrop-filter: blur(6px);
}

.st-backup-progress__panel {
  position: relative;
  width: min(320px, calc(100vw - 48px));
  padding: 24px 22px 20px;
  border-radius: 18px;
  background: var(--st-card-bg-hover);
  border: 1px solid var(--st-border-strong);
  box-shadow: var(--st-shadow-float);
}

.st-backup-progress__title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--st-text-primary);
}

.st-backup-progress__status {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--st-text-tertiary);
}

.st-backup-progress__bar {
  height: 6px;
  border-radius: 999px;
  background: var(--st-border);
  overflow: hidden;
}

.st-backup-progress__fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--st-accent), #5AC8FA);
  transition: width 0.15s ease;
}

.st-backup-progress__pct {
  margin: 10px 0 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--st-text-secondary);
  text-align: right;
}

.karin-ig-contact-row {
  margin-top: 4px;
}

/* ─── 自由生图 ─── */
.karin-ig-free-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 12px;
}

.karin-ig-free-actions .st-action-btn {
  flex: 1 1 auto;
  min-width: 96px;
  justify-content: center;
}

.karin-ig-free-actions .st-action-btn[disabled] {
  opacity: 0.55;
  cursor: default;
  transform: none;
  box-shadow: none;
}

.karin-ig-free-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.karin-ig-test--idle p {
  margin: 0;
  font-size: 13px;
  color: var(--st-text-tertiary, #999);
}

.karin-ig-free-caption {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--st-text-tertiary, #999);
  word-break: break-word;
}

/* 「长按可存」的移动端兜底提示：比 caption 更弱一级，不抢画面描述的注意力 */
.karin-ig-free-hint {
  margin: 6px 0 0;
  font-size: 11px;
  line-height: 1.4;
  color: var(--st-text-quaternary, #b3b3b3);
}


/* ─── 自由生图的垫图（图生图）─────────────────────────────────
   布局上刻意做成「没有垫图时几乎不占视觉重量」：
   只有一行标题、一行说明、一个薄的预览位、三个小按钮。
   一旦选了图，预览位才长出缩略图，用户一眼能看出「这次带了底图」。 */

.karin-ig-ref {
  margin: 2px 0 14px;
  padding: 10px 12px;
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.018);
}

.karin-ig-ref__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}

.karin-ig-ref__label {
  font-size: 13px;
  font-weight: 600;
}

.karin-ig-ref__tip {
  font-size: 11px;
  color: var(--st-text-tertiary, #999);
}

.karin-ig-ref__preview {
  margin-bottom: 8px;
}

.karin-ig-ref__empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  border: 1px dashed rgba(0, 0, 0, 0.12);
  border-radius: 10px;
}

.karin-ig-ref__empty p {
  margin: 0;
  font-size: 12px;
  color: var(--st-text-quaternary, #b3b3b3);
}

.karin-ig-ref__thumb {
  position: relative;
  width: 84px;
  height: 84px;
  border-radius: 10px;
  overflow: hidden;
}

.karin-ig-ref__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 「垫图」角标：换过好几张之后，光看缩略图容易忘了这是底图而不是结果图 */
.karin-ig-ref__badge {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 1px 5px;
  font-size: 10px;
  line-height: 1.5;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 0 8px 0 8px;
}

.karin-ig-ref__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.karin-ig-ref__actions .st-action-btn {
  flex: 0 0 auto;
  min-width: 0;
  padding: 6px 12px;
  font-size: 12px;
}

.karin-ig-ref__actions .st-action-btn[disabled] {
  opacity: 0.45;
  cursor: default;
}

.karin-ig-ref__modes-label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--st-text-secondary, #666);
}

/* 分段控件：两档互斥，用 is-on 表示当前档 */
.karin-ig-seg {
  display: inline-flex;
  padding: 2px;
  border-radius: 9px;
  background: rgba(0, 0, 0, 0.055);
}

.karin-ig-seg__item {
  padding: 5px 14px;
  border: none;
  border-radius: 7px;
  background: none;
  font-size: 12px;
  color: var(--st-text-secondary, #666);
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}

.karin-ig-seg__item.is-on {
  background: #fff;
  color: var(--st-text, #222);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

/* 没选垫图时整块变灰：这两档此刻没有任何作用，得让人看出来 */
.karin-ig-ref__modes.is-disabled {
  opacity: 0.5;
}

.karin-ig-ref__modes-hint {
  margin: 6px 0 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--st-text-quaternary, #b3b3b3);
}

.karin-ig-ref__legal {
  margin: 10px 0 0;
  font-size: 11px;
  line-height: 1.5;
}

/* 结果区的两条状态提示：走没走垫图，必须一眼看得出来 */
.karin-ig-free-refok {
  margin: 6px 0 0;
  font-size: 11px;
  color: var(--st-text-tertiary, #999);
}

.karin-ig-free-refwarn {
  margin: 6px 0 0;
  font-size: 11px;
  line-height: 1.5;
  color: #b4761b;
}

/* 回退提示的第二行（排查建议），比主句再轻一档，别喧宾夺主 */
.karin-ig-free-refwarn-sub {
  display: inline-block;
  margin-top: 2px;
  color: var(--st-text-tertiary, #999);
}


/* ═══════════════════════════════════════════════════════════════
   通知与提示音子视图（.mi-set-page）样式补齐

   这些类原本只定义在 `.karin-settings-app`（桌面设置 App）作用域下。
   桌面设置 App 被删除、其面板搬进聊天设置的页内子视图后，
   「通知与提示音」就整体失去了样式 —— 正文只剩裸控件堆叠。
   下面逐条把选择器复制一份挂到 `.mi-set-page` 下，规则体原样保留，
   与其它子视图（对话 API / 语音合成）共用同一套视觉语言。
   ═══════════════════════════════════════════════════════════════ */

/* ─── Section Labels ─── */ .mi-set-page .st-section-label {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--st-text-tertiary);
  margin: 32px 0 14px 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mi-set-page .st-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--st-border-strong), transparent);
  margin-left: 4px;
}

.mi-set-page .st-card-row-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.mi-set-page .st-card-label {
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--st-text-primary);
  letter-spacing: 0.3px;
}

.mi-set-page .st-card-desc {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--st-text-tertiary);
  margin-top: 2px;
  letter-spacing: 0.2px;
}

.mi-set-page .st-card-row--static {
  cursor: default;
}

.mi-set-page .st-card-row--static:hover .st-chevron {
  color: var(--st-text-muted);
  transform: none;
}

/* ─── Feature Cards ─── */ .mi-set-page .st-feature-card {
  background: var(--st-card-bg);
  border-radius: 28px;
  padding: 24px 20px;
  margin-bottom: 14px;
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
  border: 1px solid var(--st-border);
  box-shadow: var(--st-shadow-lg);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  overflow: hidden;
}

.mi-set-page .st-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  pointer-events: none;
}

.mi-set-page .st-deco-number {
  position: absolute;
  top: 14px;
  right: 18px;
  font-family: 'Playfair Display', serif;
  font-size: 42px;
  font-weight: 300;
  font-style: italic;
  color: var(--st-text-muted);
  opacity: 0.08;
  line-height: 1;
  pointer-events: none;
}

.mi-set-page .st-feature-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.mi-set-page .st-feature-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 500;
  color: var(--st-text-primary);
  letter-spacing: -0.3px;
  line-height: 1.3;
}

.mi-set-page .st-feature-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--st-text-secondary);
}

.mi-set-page .st-feature-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 400;
  color: var(--st-text-tertiary);
  margin-top: 6px;
  letter-spacing: 0.3px;
}

/* ─── Action Buttons ─── */ .mi-set-page .st-btn-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* ─── Notification Preview ─── */ .mi-set-page .st-notify-demo {
  margin-top: 12px;
  padding: 14px;
  background: rgba(0, 0, 0, 0.015);
  border-radius: 20px;
  border: 1px solid var(--st-border);
}

.mi-set-page .st-notify-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: white;
  border-radius: 16px;
  box-shadow: var(--st-shadow-sm);
  margin-bottom: 8px;
}

.mi-set-page .st-notify-item:last-child {
  margin-bottom: 0;
}

.mi-set-page .st-notify-avatar {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, #E8ECF1, #D2D9E2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mi-set-page .st-notify-avatar svg {
  width: 16px;
  height: 16px;
  color: var(--st-text-secondary);
}

.mi-set-page .st-notify-content {
  flex: 1;
  min-width: 0;
}

.mi-set-page .st-notify-title {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--st-text-primary);
}

.mi-set-page .st-notify-text {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--st-text-tertiary);
  margin-top: 2px;
}

.mi-set-page .st-notify-time {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  color: var(--st-text-muted);
  flex-shrink: 0;
}

/* 消息提示音 */ .mi-set-page .st-msgsound-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 4px 0;
}

.mi-set-page .st-msgsound-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mi-set-page .st-msgsound-item:last-child {
  border-bottom: none;
}

.mi-set-page .st-msgsound-item.is-selected .st-msgsound-item__name {
  color: var(--st-accent);
  font-weight: 500;
}

.mi-set-page .st-msgsound-item__pick {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mi-set-page .st-msgsound-item__radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.18);
  display: block;
  position: relative;
  transition: border-color 0.15s;
}

.mi-set-page .st-msgsound-item.is-selected .st-msgsound-item__radio {
  border-color: var(--st-accent);
}

.mi-set-page .st-msgsound-item.is-selected .st-msgsound-item__radio::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--st-accent);
}

.mi-set-page .st-msgsound-item__name {
  flex: 1;
  font-family: 'Noto Serif SC', serif;
  font-size: 14px;
  color: var(--st-text-primary);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mi-set-page .st-msgsound-item__preview {
  flex-shrink: 0;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--st-border);
  background: rgba(0, 0, 0, 0.02);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--st-text-secondary);
  cursor: pointer;
}

.mi-set-page .st-msgsound-item__preview:active {
  transform: scale(0.96);
}

.mi-set-page .st-msgsound-item__del {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 59, 48, 0.08);
  color: #FF3B30;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.mi-set-page .st-msgsound-empty {
  margin: 12px 0 4px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--st-text-tertiary);
  text-align: center;
}

.mi-set-page .st-msgsound-upload-btn {
  width: 100%;
  margin-bottom: 8px;
}

/* ═══════════════════════════════════════════════════════════
   对话 API · 模型选择（显示框 + 底部抽屉）
   替代原生 <select> 的系统选项卡：模型多时占满整屏且难点空白退出。
   select 被隐藏只当值容器（保存/草稿/预设载入/拉取链路不变），
   显示框点击弹出抽屉：搜索过滤 + 点遮罩即关 + Esc 关闭。
   ═══════════════════════════════════════════════════════════ */
.mq-model-pick { position: relative; }
.mq-model-pick select[hidden] { display: none !important; }

.mq-model-pick__box {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid var(--st-border-strong, rgba(0, 0, 0, 0.08));
  border-radius: 12px;
  background: #FFFFFF;
  font-size: 15px;
  color: var(--st-text-primary, #1A1A1A);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.mq-model-pick__box:active { transform: scale(0.99); }
.mq-model-pick__text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mq-model-pick__chev { flex-shrink: 0; color: #999999; font-size: 13px; }

/* ── 抽屉 ── */
.mq-model-drawer {
  position: fixed;
  inset: 0;
  z-index: 780;   /* 盖过聊天设置页 640，低于 mi-toast 900 */
}
.mq-model-drawer__mask {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  touch-action: none;   /* 遮罩层吞掉滑动，背景不跟着滚 */
  opacity: 0;
  transition: opacity 0.22s ease;
}
.mq-model-drawer__panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0 auto;
  max-width: 560px;
  max-height: 68vh;
  display: flex;
  flex-direction: column;
  background: #F8F9FB;
  border-radius: 18px 18px 0 0;
  box-shadow: 0 -12px 48px rgba(15, 23, 42, 0.18);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  overflow: hidden;
  transform: translateY(100%);
  transition: transform 0.26s cubic-bezier(0.22, 1, 0.36, 1);
}
.mq-model-drawer.is-open .mq-model-drawer__mask { opacity: 1; }
.mq-model-drawer.is-open .mq-model-drawer__panel { transform: translateY(0); }

.mq-model-drawer__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 8px;
  flex-shrink: 0;
}
.mq-model-drawer__title {
  flex: 1;
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  font-weight: 600;
  color: #1C2026;
}
.mq-model-drawer__close {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.05);
  color: #666666;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}
.mq-model-drawer__close:active { transform: scale(0.94); }

.mq-model-drawer__search {
  padding: 6px 16px 10px;
  flex-shrink: 0;
}
.mq-model-drawer__search input {
  width: 100%;
  box-sizing: border-box;
  padding: 9px 12px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  background: #FFFFFF;
  font-size: 14px;
  color: #1C2026;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.mq-model-drawer__search input:focus {
  border-color: rgba(75, 139, 245, 0.45);
  box-shadow: 0 0 0 3px rgba(75, 139, 245, 0.10);
}

.mq-model-drawer__list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 4px 10px 14px;
}
.mq-model-drawer__item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  box-sizing: border-box;
  padding: 12px;
  margin-bottom: 2px;
  border: none;
  border-radius: 12px;
  background: transparent;
  font-size: 14px;
  color: #1C2026;
  text-align: left;
  cursor: pointer;
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}
.mq-model-drawer__item:active { background: rgba(75, 139, 245, 0.08); }
.mq-model-drawer__item span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mq-model-drawer__item.is-cur {
  background: #FFFFFF;
  color: #4B8BF5;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(28, 32, 38, 0.04);
}
.mq-model-drawer__item.is-cur::after { content: '✓'; font-weight: 700; flex-shrink: 0; }

.mq-model-drawer__empty {
  padding: 28px 16px;
  text-align: center;
  font-size: 13px;
  color: #67707C;
}

/* ── 自由生图 · 实际发送提示词（折叠透出）─────────────────────
   让用户看到全局预置词/人设外貌到底拼了什么 —— 「输入小麦出二次元男」
   这类污染一眼可见，不用再靠猜。

   v4.29.7 弱化：原先做成蓝色文字 + 胶囊卡片边框，视觉上就是个
   「主行动按钮」，诱导每次都去点 —— 但它只是排查工具，绝大多数
   时候不需要碰。现在降到 hint 同档的小灰字，浏览器自带的 ▶ 三角
   一并去掉，只在字前留一枚极淡的 ＋/－（details[open] 切换）；
   展开后的正文保持可读灰与左对齐，顶部虚线与标题过渡。 */
.karin-ig-free-prompt {
  margin: 6px 0 0;
  padding: 0;
  border: none;
  background: transparent;
  text-align: center;
}
.karin-ig-free-prompt summary {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  list-style: none;
  cursor: pointer;
  font-size: 11.5px;
  color: #A6ADB8;
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  user-select: none;
}
.karin-ig-free-prompt summary::-webkit-details-marker { display: none; }
.karin-ig-free-prompt summary::before {
  content: '＋';
  font-size: 11px;
  color: #C6CCD4;
  font-weight: 400;
}
.karin-ig-free-prompt[open] summary::before { content: '－'; }
.karin-ig-free-prompt[open] summary { color: #8A93A0; }
.karin-ig-free-prompt p {
  margin: 8px 0 0;
  padding: 8px 12px 0;
  border-top: 1px dashed rgba(0, 0, 0, 0.07);
  text-align: left;
  font-size: 11px;
  line-height: 1.7;
  color: #4A525C;
  word-break: break-all;
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}
.karin-ig-free-prompt p b { color: #333B45; font-weight: 600; }

/* ═══════════════════════════════════════════════════════════
   通用选择抽屉 · 显示框适配（组件 js2/karin-select-drawer.js）
   生图设置的模型下拉、ST 预设的预设下拉复用对话 API 的
   mq-model-pick / mq-model-drawer 样式，这里只补三件事：
   ① 升级后的原生 select 必须彻底隐藏（display:none 要带 !important，
      否则会被 .ins-select 的 display 规则盖回去）；
   ② ST 预设页：显示框融入原 .stp-pack-select 的观感与尺寸；
   ③ 生图设置页：显示框对齐表单里 .ins-select 的尺寸与间距
      （select 隐藏后 margin 消失，间距改由显示框补回）。
   ═══════════════════════════════════════════════════════════ */
select[data-sdw-upgraded] { display: none !important; }

.mq-model-pick__box.is-disabled { opacity: 0.55; }

/* ST 预设 · 预设下拉 */
.stp-preset-row .mq-model-pick__box {
  flex: 1 1 auto;
  min-width: 0;
  height: 44px;
  padding: 0 38px 0 14px;
  background: var(--stp-card, #FFFFFF);
  border-color: var(--stp-border, rgba(0, 0, 0, 0.10));
  border-radius: 12px;
  box-shadow: var(--stp-shadow, none);
  font-family: var(--stp-ui, inherit);
  font-size: 13.5px;
  color: var(--stp-ink, #1C2026);
}
.stp-preset-row .mq-model-pick__box:active { transform: none; }

/* 生图设置 · 模型下拉（OpenAI 兼容 / NovelAI） */
.karin-igapp .mq-model-pick__box {
  margin-bottom: 12px;
  padding: 12px 14px;
  border-color: rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
  font-size: 14px;
  background: #ffffff;
}