/* 默认皮肤（蓝色系） */
:root, [data-theme="default"] {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --background: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);

  /* 复古锌版海报色调（两套皮肤下均不变） */
  --rz-bg: #C8B99A;
  --rz-bg-dark: #B8A98A;
  --rz-green: #008F4D;
  --rz-black: #1A1A1A;
  --rz-white: #F4EFE6;
}

/* 复古锌版皮肤：颜色变量 */
[data-theme="retro"] {
  --primary: #008F4D;
  --primary-hover: #1A1A1A;
  --success: #008F4D;
  --error: #C5554A;
  --warning: #D4893B;
  --background: #C8B99A;
  --surface: #F4EFE6;
  --text: #1A1A1A;
  --text-secondary: #6B5F52;
  --border: rgba(26, 26, 26, 0.3);
  --shadow: 3px 3px 0 rgba(26, 26, 26, 0.15);
}

/* ====== 复古皮肤：排版 ====== */
[data-theme="retro"] body {
  font-family: 'Space Grotesk', -apple-system, 'Segoe UI', sans-serif;
}
[data-theme="retro"] h1,
[data-theme="retro"] h2,
[data-theme="retro"] h3 {
  font-family: 'Bebas Neue', 'Arial Narrow', 'Impact', sans-serif;
  letter-spacing: 1px;
}

/* ====== 复古皮肤：圆角 → 直角 ====== */
[data-theme="retro"] .page,
[data-theme="retro"] .btn,
[data-theme="retro"] .option,
[data-theme="retro"] .quiz-select,
[data-theme="retro"] .modal-content,
[data-theme="retro"] .tag,
[data-theme="retro"] .score-card,
[data-theme="retro"] .feedback,
[data-theme="retro"] .analysis-item,
[data-theme="retro"] .history-item,
[data-theme="retro"] .error-item,
[data-theme="retro"] .share-item,
[data-theme="retro"] .q-number,
[data-theme="retro"] .error-number,
[data-theme="retro"] input[type="text"],
[data-theme="retro"] input[type="email"],
[data-theme="retro"] input[type="password"],
[data-theme="retro"] textarea,
[data-theme="retro"] select {
  border-radius: 0;
}

/* ====== 复古皮肤：粗黑边框 ====== */
[data-theme="retro"] .page {
  border: 3px solid var(--text);
}
[data-theme="retro"] .btn-outline {
  border-width: 3px;
}
[data-theme="retro"] .option {
  border-width: 3px;
}
[data-theme="retro"] .quiz-select {
  border-width: 3px;
  border-color: var(--text);
}
[data-theme="retro"] .analysis-item {
  border-left-width: 6px;
}
[data-theme="retro"] .modal-content {
  border: 3px solid var(--text);
}
[data-theme="retro"] input[type="text"],
[data-theme="retro"] input[type="email"],
[data-theme="retro"] input[type="password"],
[data-theme="retro"] textarea,
[data-theme="retro"] select {
  border-width: 2px;
  border-color: var(--text);
}
[data-theme="retro"] input:focus,
[data-theme="retro"] textarea:focus,
[data-theme="retro"] select:focus {
  border-color: var(--primary-hover);
}

/* ====== 复古皮肤：状态背景色覆盖 ====== */
[data-theme="retro"] .option:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.04);
  border-color: var(--text);
}
[data-theme="retro"] .option.selected {
  background: rgba(0, 0, 0, 0.08);
  border-color: var(--text);
}
[data-theme="retro"] .option.correct {
  background: rgba(0, 143, 77, 0.1);
  border-color: var(--success);
}
[data-theme="retro"] .option.wrong {
  background: rgba(197, 85, 74, 0.1);
  border-color: var(--error);
}
[data-theme="retro"] .feedback.correct {
  background: rgba(0, 143, 77, 0.12);
}
[data-theme="retro"] .feedback.wrong {
  background: rgba(197, 85, 74, 0.12);
}
[data-theme="retro"] .analysis-item.correct {
  background: rgba(0, 143, 77, 0.06);
}
[data-theme="retro"] .analysis-item.wrong {
  background: rgba(197, 85, 74, 0.06);
}
[data-theme="retro"] .score-card {
  background: var(--text);
}

/* ====== 新粗野主义皮肤：颜色变量 ====== */
[data-theme="raw"] {
  --primary: #0a0a0a;
  --primary-hover: #333333;
  --success: #4a7c59;
  --error: #c0392b;
  --warning: #e5a83e;
  --background: #f5f5f5;
  --surface: #ffffff;
  --text: #0a0a0a;
  --text-secondary: #555555;
  --border: #0a0a0a;
  --shadow: 6px 6px 0 rgba(10,10,10,0.15);
}

/* 粗野：排版 */
[data-theme="raw"] body {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-weight: 500;
}
[data-theme="raw"] h1,
[data-theme="raw"] h2,
[data-theme="raw"] h3 {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

/* 粗野：直角 */
[data-theme="raw"] .page,
[data-theme="raw"] .btn,
[data-theme="raw"] .option,
[data-theme="raw"] .quiz-select,
[data-theme="raw"] .modal-content,
[data-theme="raw"] .tag,
[data-theme="raw"] .score-card,
[data-theme="raw"] .feedback,
[data-theme="raw"] .analysis-item,
[data-theme="raw"] .history-item,
[data-theme="raw"] .error-item,
[data-theme="raw"] .share-item,
[data-theme="raw"] .q-number,
[data-theme="raw"] .error-number,
[data-theme="raw"] input[type="text"],
[data-theme="raw"] input[type="email"],
[data-theme="raw"] input[type="password"],
[data-theme="raw"] textarea,
[data-theme="raw"] select {
  border-radius: 0;
}

/* 粗野：硬边框 + 硬阴影 */
[data-theme="raw"] .page {
  border: 3px solid var(--text);
  box-shadow: 6px 6px 0 var(--text);
}
[data-theme="raw"] .btn-outline {
  border: 3px solid var(--text);
  box-shadow: 4px 4px 0 var(--text);
}
[data-theme="raw"] .btn-outline:hover {
  box-shadow: 2px 2px 0 var(--text);
  transform: translate(2px, 2px);
}
[data-theme="raw"] .option {
  border: 3px solid var(--text);
}
[data-theme="raw"] .quiz-select {
  border: 3px solid var(--text);
}
[data-theme="raw"] .analysis-item {
  border-left: 6px solid;
}
[data-theme="raw"] .modal-content {
  border: 3px solid var(--text);
  box-shadow: 8px 8px 0 var(--text);
}
[data-theme="raw"] input[type="text"],
[data-theme="raw"] input[type="email"],
[data-theme="raw"] input[type="password"],
[data-theme="raw"] textarea,
[data-theme="raw"] select {
  border: 3px solid var(--text);
}

/* 粗野：状态色 */
[data-theme="raw"] .option:hover:not(:disabled) {
  background: #f2d4cf;
  border-color: var(--text);
}
[data-theme="raw"] .option.selected {
  background: #e5edd6;
  border-color: var(--text);
}
[data-theme="raw"] .option.correct {
  background: #e5edd6;
  border-color: var(--success);
}
[data-theme="raw"] .option.wrong {
  background: #f2d4cf;
  border-color: var(--error);
}
[data-theme="raw"] .feedback.correct {
  background: #e5edd6;
  color: #2d5a27;
}
[data-theme="raw"] .feedback.wrong {
  background: #f2d4cf;
  color: #8b0000;
}
[data-theme="raw"] .analysis-item.correct {
  background: #e5edd6;
}
[data-theme="raw"] .analysis-item.wrong {
  background: #f2d4cf;
}
[data-theme="raw"] .score-card {
  background: var(--text);
  box-shadow: 6px 6px 0 #f2d4cf;
}
[data-theme="raw"] .tag.active {
  background: #e5edd6;
  color: #2d5a27;
  border: 2px solid #2d5a27;
}
[data-theme="raw"] .tag.expired {
  background: #f2d4cf;
  color: #8b0000;
  border: 2px solid #8b0000;
}

/* ====== 珊瑚暖调皮肤：颜色变量 ====== */
[data-theme="coral"] {
  --primary: #E85D5D;
  --primary-hover: #D44A4A;
  --success: #2D8A6E;
  --error: #E85D5D;
  --warning: #e5a83e;
  --background: #F5F0E8;
  --surface: #ffffff;
  --text: #1A1A1A;
  --text-secondary: #6B6B6B;
  --border: #d0c8b8;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* 珊瑚：排版 */
[data-theme="coral"] body {
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
}
[data-theme="coral"] h1,
[data-theme="coral"] h2,
[data-theme="coral"] h3 {
  font-family: 'Bebas Neue', 'Arial Narrow', sans-serif;
  letter-spacing: 1px;
}

/* 珊瑚：微圆角 */
[data-theme="coral"] .page,
[data-theme="coral"] .btn,
[data-theme="coral"] .option,
[data-theme="coral"] .modal-content,
[data-theme="coral"] .score-card,
[data-theme="coral"] .tag,
[data-theme="coral"] .feedback,
[data-theme="coral"] .analysis-item,
[data-theme="coral"] .share-item {
  border-radius: 6px;
}
[data-theme="coral"] .q-number,
[data-theme="coral"] .error-number {
  border-radius: 6px;
}
[data-theme="coral"] input[type="text"],
[data-theme="coral"] input[type="email"],
[data-theme="coral"] input[type="password"],
[data-theme="coral"] textarea,
[data-theme="coral"] select {
  border-radius: 6px;
}

/* 珊瑚：状态色 */
[data-theme="coral"] .option:hover:not(:disabled) {
  background: rgba(232,93,93,0.06);
  border-color: var(--primary);
}
[data-theme="coral"] .option.selected {
  background: rgba(232,93,93,0.1);
  border-color: var(--primary);
}
[data-theme="coral"] .option.correct {
  background: rgba(45,138,110,0.08);
  border-color: var(--success);
}
[data-theme="coral"] .option.wrong {
  background: rgba(232,93,93,0.08);
  border-color: var(--error);
}
[data-theme="coral"] .feedback.correct {
  background: rgba(45,138,110,0.1);
}
[data-theme="coral"] .feedback.wrong {
  background: rgba(232,93,93,0.1);
}
[data-theme="coral"] .analysis-item.correct {
  background: rgba(45,138,110,0.05);
}
[data-theme="coral"] .analysis-item.wrong {
  background: rgba(232,93,93,0.05);
}
[data-theme="coral"] .score-card {
  background: var(--primary);
}
[data-theme="coral"] .tag.active {
  background: rgba(45,138,110,0.1);
  color: var(--success);
}
[data-theme="coral"] .tag.expired {
  background: rgba(232,93,93,0.1);
  color: var(--error);
}

/* ====== 模版拓印皮肤：颜色变量 ====== */
[data-theme="stencil"] {
  --primary: #0a0a0a;
  --primary-hover: #A06A3C;
  --success: #2D7E73;
  --error: #C73B7A;
  --warning: #EE7A2E;
  --background: #E2DCC9;
  --surface: #F4EFE0;
  --text: #0a0a0a;
  --text-secondary: rgba(0,0,0,0.5);
  --border: rgba(0,0,0,0.2);
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

/* 模版：排版 */
[data-theme="stencil"] body {
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
}
[data-theme="stencil"] h1,
[data-theme="stencil"] h2,
[data-theme="stencil"] h3 {
  font-family: 'Stardos Stencil', 'Bebas Neue', serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* 模版：大圆角 */
[data-theme="stencil"] .page,
[data-theme="stencil"] .modal-content,
[data-theme="stencil"] .score-card {
  border-radius: 18px;
}
[data-theme="stencil"] .btn {
  border-radius: 14px;
}
[data-theme="stencil"] .option,
[data-theme="stencil"] .quiz-select,
[data-theme="stencil"] .share-item {
  border-radius: 14px;
}
[data-theme="stencil"] .feedback,
[data-theme="stencil"] .analysis-item,
[data-theme="stencil"] .tag {
  border-radius: 10px;
}
[data-theme="stencil"] input[type="text"],
[data-theme="stencil"] input[type="email"],
[data-theme="stencil"] input[type="password"],
[data-theme="stencil"] textarea,
[data-theme="stencil"] select {
  border-radius: 12px;
}

/* 模版：状态色 */
[data-theme="stencil"] .option:hover:not(:disabled) {
  background: rgba(160,106,60,0.08);
  border-color: var(--primary-hover);
}
[data-theme="stencil"] .option.selected {
  background: rgba(10,10,10,0.06);
  border-color: var(--text);
}
[data-theme="stencil"] .option.correct {
  background: rgba(45,126,115,0.1);
  border-color: var(--success);
}
[data-theme="stencil"] .option.wrong {
  background: rgba(199,59,122,0.1);
  border-color: var(--error);
}
[data-theme="stencil"] .feedback.correct {
  background: rgba(45,126,115,0.12);
}
[data-theme="stencil"] .feedback.wrong {
  background: rgba(199,59,122,0.12);
}
[data-theme="stencil"] .analysis-item.correct {
  background: rgba(45,126,115,0.06);
}
[data-theme="stencil"] .analysis-item.wrong {
  background: rgba(199,59,122,0.06);
}
[data-theme="stencil"] .score-card {
  background: var(--text);
}
[data-theme="stencil"] .tag.active {
  background: rgba(45,126,115,0.12);
  color: var(--success);
}
[data-theme="stencil"] .tag.expired {
  background: rgba(199,59,122,0.1);
  color: var(--error);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 表单元素统一样式重置（解决不同浏览器默认样式差异） */
input,
textarea,
select,
button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* 输入框和文本域统一 */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px; /* 防止 iOS 缩放 */
  background: var(--surface);
  color: var(--text);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
}

/* 按钮默认重置 */
button {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  border: none;
}

/* select 统一 */
select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

/* 移动端 tap 高亮消除 */
a, button, [onclick] {
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.container {
  flex: 1;
  overflow-y: auto;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.page {
  background: var(--surface);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
}

h1 {
  font-size: 24px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 8px;
}

.subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  margin: 4px;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-accent {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  border: none;
}

.btn-accent:hover {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

.btn-large {
  width: 100%;
  padding: 16px;
  font-size: 18px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.quiz-select {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  margin-bottom: 12px;
  cursor: pointer;
}

.quiz-select:focus {
  outline: none;
  border-color: var(--primary);
}

.custom-quiz-list {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.custom-quiz-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.custom-quiz-item span {
  font-size: 14px;
  color: var(--text);
}

.btn-text {
  background: none;
  border: none;
  color: var(--error);
  font-size: 14px;
  cursor: pointer;
  padding: 8px 0;
  margin-top: 8px;
}

.btn-text:hover {
  text-decoration: underline;
}

.btn-small {
  padding: 6px 12px;
  font-size: 14px;
}

/* Button Groups */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.btn-group .btn {
  flex: 1;
  min-width: 70px;
}

.btn-group .btn.active {
  background: var(--primary);
  color: white;
}

/* Quiz List */
.quiz-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0;
}

/* Settings */
.setting-group {
  margin-bottom: 24px;
}

.setting-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
}

/* Quiz Header */
.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.progress {
  font-weight: 600;
  color: var(--text-secondary);
}

.score {
  font-weight: 600;
  color: var(--primary);
}

/* Question */
.question {
  margin-bottom: 24px;
}

.question-content {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  white-space: pre-wrap;
}

.question-type {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Options */
.options {
  margin-bottom: 24px;
}

.option {
  -webkit-appearance: none;
  appearance: none;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 12px;
  padding: 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--surface);
  color: var(--text);
  white-space: normal;
}

.option:last-child {
  margin-bottom: 0;
}

/* 不同题型样式 */
.option.single {
  border-radius: 12px;
}

.option.multiple {
  border-radius: 8px;   /* 多选：方形 */
  border-left-width: 4px;  /* 多选左侧加粗标识 */
}

.option.true-false {
  border-radius: 12px;  /* 判断题：圆角 */
  justify-content: center;  /* 判断题居中 */
  text-align: center;
}

.option.true-false:nth-child(1) {
  border-color: var(--success);  /* 正确选项绿色边框 */
}

.option.true-false:nth-child(2) {
  border-color: var(--error);  /* 错误选项红色边框 */
}

.option input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.option span {
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
}

.option:hover:not(:disabled) {
  border-color: var(--primary);
  background: #f0f7ff;
}

.option.selected {
  border-color: var(--primary);
  background: #e0f2fe;
}

.option.correct {
  border-color: var(--success);
  background: #dcfce7;
}

.option.wrong {
  border-color: var(--error);
  background: #fee2e2;
}

/* 多选已选数量显示 */
.selection-info {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  padding: 8px;
}

/* 结果页选项显示 */
.q-options {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 8px 0;
  padding: 8px;
  background: var(--surface);
  border-radius: 4px;
  white-space: pre-wrap;
  line-height: 1.6;
}

/* Feedback */
.feedback {
  padding: 12px;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  margin-bottom: 16px;
}

.feedback.correct {
  background: #dcfce7;
  color: var(--success);
}

.feedback.wrong {
  background: #fee2e2;
  color: var(--error);
}

/* Navigation */
.nav-buttons {
  display: flex;
  gap: 12px;
}

.nav-buttons .btn {
  flex: 1;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
}

.nav-links a {
  color: var(--primary);
  text-decoration: none;
}

.nav-links a:hover {
  text-decoration: underline;
}

/* Back Link */
.back-link {
  display: block;
  text-align: center;
  margin-top: 16px;
  color: var(--text-secondary);
  text-decoration: none;
}

.back-link:hover {
  color: var(--primary);
}

/* Result */
.score-card {
  text-align: center;
  padding: 32px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  border-radius: 12px;
  color: white;
  margin-bottom: 24px;
}

.score-value {
  font-size: 48px;
  font-weight: 700;
}

.score-detail {
  font-size: 18px;
  opacity: 0.9;
}

.score-points {
  font-size: 16px;
  margin-top: 8px;
  opacity: 0.9;
}

/* Analysis */
.analysis {
  margin-bottom: 24px;
}

.analysis h3 {
  font-size: 16px;
  margin-bottom: 16px;
}

.analysis-item {
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 12px;
  border-left: 4px solid;
}

.analysis-item.correct {
  background: #f0fdf4;
  border-color: var(--success);
}

.analysis-item.wrong {
  background: #fef2f2;
  border-color: var(--error);
}

.analysis-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.q-number {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--text);
  color: white;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
}

.q-status {
  font-weight: 600;
}

.analysis-item.correct .q-status {
  color: var(--success);
}

.analysis-item.wrong .q-status {
  color: var(--error);
}

.q-content {
  font-weight: 500;
  margin-bottom: 8px;
}

.q-answer {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.q-explanation {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 4px;
}

.result-actions {
  display: flex;
  gap: 12px;
}

.result-actions .btn {
  flex: 1;
}

/* History */
.history-list, .error-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-item {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.history-title {
  font-weight: 500;
  margin-bottom: 8px;
}

.history-meta {
  display: flex;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.history-meta .mode {
  color: var(--primary);
}

.history-meta .score {
  color: var(--error);
}

.history-time {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Errors */
.error-item {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  position: relative;
}

.error-number {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--error);
  color: white;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
}

.error-content {
  font-weight: 500;
  margin-bottom: 8px;
}

.error-answer {
  font-size: 14px;
  color: var(--success);
  margin-bottom: 8px;
}

.error-explanation {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.error-item .btn-small {
  margin-top: 8px;
}

.empty {
  text-align: center;
  color: var(--text-secondary);
  padding: 32px;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--surface);
  padding: 24px;
  border-radius: 12px;
  width: 90%;
  max-width: 400px;
}

.modal-content h3 {
  margin-bottom: 16px;
}

.modal-content textarea {
  width: 100%;
  height: 200px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  resize: vertical;
}

.modal-buttons {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.modal-buttons .btn {
  flex: 1;
}

/* Loading Overlay */
#loadingOverlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.loading-box {
  background: var(--surface);
  padding: 32px 48px;
  border-radius: 12px;
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  font-size: 16px;
  color: var(--text);
}

/* Responsive */
@media (max-width: 480px) {
  .container {
    padding: 12px;
  }

  .page {
    padding: 16px;
  }

  h1 {
    font-size: 20px;
  }

  .question-content {
    font-size: 16px;
  }

  .option {
    padding: 12px;
    font-size: 14px;
  }

  .score-card {
    padding: 24px;
  }

  .score-value {
    font-size: 36px;
  }

  /* 移动端模态框防止背景滚动穿透 */
  .modal {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .modal-content {
    width: 95%;
    max-height: 80vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* iOS Safari / 微信浏览器专属修复 */
@supports (-webkit-touch-callout: none) {
  /* 修复 iOS 输入框被键盘遮挡 */
  input, textarea, select {
    font-size: 16px !important;
  }

  /* 修复 iOS fixed 定位抖动 */
  .modal {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }

  /* 修复 iOS Safari 100vh 包含地址栏高度 */
  body {
    min-height: -webkit-fill-available;
  }
}

/* 刘海屏安全区适配 */
@supports (padding: env(safe-area-inset-bottom)) {
  body {
    padding-bottom: env(safe-area-inset-bottom);
  }

  .modal {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* gap 降级：旧浏览器（Safari < 14.1 / 旧 Edge）不支持 flex gap，用 margin 兜底 */
@supports not (gap: 1px) {
  .btn-group {
    gap: 0;
    margin: -4px;
    margin-top: 4px;
  }
  .btn-group .btn {
    margin: 4px;
  }

  .quiz-list {
    gap: 0;
  }
  .quiz-list > * + * {
    margin-top: 12px;
  }

  .option {
    gap: 0;
  }
  .option > * + * {
    margin-left: 12px;
  }

  .nav-buttons {
    gap: 0;
  }
  .nav-buttons > * + * {
    margin-left: 12px;
  }

  .nav-links {
    gap: 0;
  }
  .nav-links > * + * {
    margin-left: 24px;
  }

  .analysis-header {
    gap: 0;
  }
  .analysis-header > * + * {
    margin-left: 8px;
  }

  .result-actions {
    gap: 0;
  }
  .result-actions > * + * {
    margin-left: 12px;
  }

  .history-list, .error-list {
    gap: 0;
  }
  .history-list > * + *,
  .error-list > * + * {
    margin-top: 12px;
  }

  .history-meta {
    gap: 0;
  }
  .history-meta > * + * {
    margin-left: 12px;
  }

  .modal-buttons {
    gap: 0;
  }
  .modal-buttons > * + * {
    margin-left: 12px;
  }

  .share-list {
    gap: 0;
  }
  .share-list > * + * {
    margin-top: 12px;
  }

  .share-item-header {
    gap: 0;
  }
  .share-item-header > * + * {
    margin-left: 8px;
  }

  .share-item-info {
    gap: 0;
  }
  .share-item-info > * + * {
    margin-left: 16px;
  }

  .share-item-actions {
    gap: 0;
  }
  .share-item-actions > * + * {
    margin-left: 8px;
  }
}

/* ====== 复古锌版海报页 ====== */
.poster-page {
  max-width: 420px;
  margin: 0 auto;
  padding: 0;
  background: var(--rz-bg);
  border-radius: 0;
  box-shadow: none;
  position: relative;
  font-family: 'Space Grotesk', -apple-system, 'Segoe UI', sans-serif;
  color: var(--rz-black);
}

/* 颗粒噪点纹理 */
.poster-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* 顶部装饰线 */
.poster-page::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  height: 4px;
  background: var(--rz-green);
  z-index: 1;
}

.poster-inner {
  position: relative;
  z-index: 2;
  padding: 32px 20px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 印章区域 */
.poster-stamp {
  display: inline-block;
  transform: rotate(-8deg);
  border: 3px solid var(--rz-black);
  padding: 8px 20px;
  margin-bottom: 28px;
  font-family: 'Bebas Neue', 'Arial Narrow', 'Impact', sans-serif;
  font-size: 18px;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: var(--rz-white);
  color: var(--rz-black);
}

.poster-stamp-emoji {
  font-size: 24px;
  margin-right: 4px;
  vertical-align: -2px;
}

/* 分数展示框 */
.poster-score-box {
  width: 100%;
  border: 3px solid var(--rz-black);
  background: var(--rz-white);
  padding: 28px 20px;
  text-align: center;
  margin-bottom: 24px;
  position: relative;
}

/* 分数框背景阴影 */
.poster-score-box::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  right: -8px;
  bottom: -8px;
  background: var(--rz-green);
  z-index: -1;
}

.poster-score-num {
  font-family: 'Bebas Neue', 'Arial Narrow', 'Impact', sans-serif;
  font-size: clamp(72px, 20vw, 120px);
  line-height: 0.85;
  color: var(--rz-green);
  letter-spacing: 2px;
}

.poster-score-pct {
  font-size: 0.5em;
  vertical-align: super;
  margin-left: 2px;
}

.poster-score-divider {
  width: 60px;
  height: 3px;
  background: var(--rz-black);
  margin: 12px auto;
}

.poster-score-detail {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--rz-black);
  letter-spacing: 1px;
}

.poster-score-label {
  font-family: 'Bebas Neue', 'Arial Narrow', sans-serif;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--rz-green);
  text-transform: uppercase;
  margin-top: 8px;
}

/* 评语（手写体） */
.poster-comment {
  font-family: 'Caveat', 'KaiTi', 'STKaiti', cursive;
  font-size: clamp(24px, 7vw, 32px);
  color: var(--rz-black);
  text-align: center;
  line-height: 1.3;
  margin-bottom: 8px;
  transform: rotate(-2deg);
}

/* 昵称 */
.poster-name {
  font-family: 'Bebas Neue', 'Arial Narrow', sans-serif;
  font-size: 18px;
  letter-spacing: 3px;
  color: var(--rz-green);
  text-align: center;
  margin-bottom: 28px;
  text-transform: uppercase;
}

/* 信息卡片 */
.poster-info-box {
  width: 100%;
  border: 3px solid var(--rz-black);
  background: var(--rz-white);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.poster-info-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 6px 0;
  font-size: 15px;
  font-family: 'Space Grotesk', -apple-system, sans-serif;
}

.poster-info-row + .poster-info-row {
  border-top: 1px solid rgba(26, 26, 26, 0.15);
}

.poster-info-label {
  font-family: 'Bebas Neue', 'Arial Narrow', sans-serif;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--rz-green);
  text-transform: uppercase;
  white-space: nowrap;
  min-width: 42px;
}

.poster-info-value {
  color: var(--rz-black);
  font-weight: 500;
}

/* CTA 按钮 */
.poster-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 16px 24px;
  margin-bottom: 28px;
  border: 3px solid var(--rz-black);
  background: var(--rz-black);
  color: var(--rz-white);
  font-family: 'Bebas Neue', 'Arial Narrow', 'Impact', sans-serif;
  font-size: 20px;
  letter-spacing: 6px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  position: relative;
}

.poster-cta::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 6px;
  right: -6px;
  bottom: -6px;
  border: 3px solid var(--rz-black);
  z-index: -1;
}

.poster-cta:hover {
  background: var(--rz-green);
  border-color: var(--rz-green);
}

.poster-cta:active {
  transform: translate(2px, 2px);
}

.poster-cta-arrow {
  margin-left: 8px;
  font-size: 22px;
}

/* 底部品牌 */
.poster-footer {
  text-align: center;
}

.poster-brand {
  font-family: 'Bebas Neue', 'Arial Narrow', 'Impact', sans-serif;
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--rz-black);
  text-transform: uppercase;
}

.poster-tagline {
  font-family: 'Caveat', 'KaiTi', 'STKaiti', cursive;
  font-size: 18px;
  color: var(--rz-green);
  margin-top: 4px;
  transform: rotate(-2deg);
}

/* 底部装饰线 */
.poster-bottom-bar {
  width: 100%;
  height: 6px;
  background: var(--rz-black);
  margin-top: 24px;
}

.poster-bottom-bar::after {
  content: '';
  display: block;
  height: 4px;
  background: var(--rz-green);
  margin-top: 2px;
  width: 60%;
}

/* 绿色背景覆盖 */
.poster-green-stripe {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--rz-green);
  z-index: 3;
}

/* 手机端适配 */
@media (max-width: 480px) {
  .poster-inner {
    padding: 24px 14px 20px;
  }
  .poster-score-box {
    padding: 20px 14px;
  }
  .poster-stamp {
    font-size: 16px;
    padding: 6px 16px;
    margin-bottom: 20px;
  }
  .poster-cta {
    font-size: 18px;
    letter-spacing: 4px;
    padding: 14px 20px;
  }
}

/* ====== 我的分享页 ====== */
.share-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.share-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.share-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.share-item-header strong {
  font-size: 16px;
}
.tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
}
.tag.active {
  background: rgba(0, 143, 77, 0.12);
  color: var(--success);
}
.tag.expired {
  background: rgba(197, 85, 74, 0.1);
  color: var(--error);
}
.share-item-info {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.share-item-actions {
  display: flex;
  gap: 8px;
}

/* ====== 刷刷广场 ====== */
.feed-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
}
.feed-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.feed-card-meta {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.feed-card-result {
  border-left: 3px solid var(--primary);
}
.feed-card-result:hover {
  border-color: var(--primary-hover);
  background: var(--background);
}

/* ====== 皮肤切换按钮 ====== */
#themeToggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  font-size: 18px;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s, transform 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}
#themeToggle:active {
  transform: scale(0.92);
}

/* ====== 首页：最近上传 / 示例题库 ====== */
.section {
  margin-bottom: 20px;
}
.section h3 {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-weight: 600;
}
.recent-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-radius: 10px;
  margin-bottom: 6px;
  transition: background 0.15s;
}
.recent-item:hover {
  background: var(--bg-hover);
}
.recent-name {
  font-size: 14px;
  font-weight: 500;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.recent-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ====== 连击闪现 ====== */
.streak-flash {
  text-align: center;
  padding: 10px;
  font-size: 16px;
  font-weight: 700;
  color: #f59e0b;
  animation: streakIn 0.3s ease-out;
}
@keyframes streakIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====== 结果页分级文案 ====== */
.score-msg {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 6px 0 4px;
}

/* ====== 广场卡片网格 ====== */
.feed-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.feed-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feed-card-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}
.feed-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}
.feed-tag {
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 11px;
  background: var(--bg-hover);
}
.feed-tag.tag-轻学习 { background: #dbeafe; color: #1d4ed8; }
.feed-tag.tag-深学习 { background: #f3e8ff; color: #7c3aed; }
.feed-tag.tag-趣味   { background: #fef3c7; color: #d97706; }

/* ====== 主操作按钮 ====== */
.actions {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

/* ====== 内联粘贴区域 ====== */
.paste-area {
  margin-bottom: 4px;
}
.paste-textarea {
  width: 100%;
  min-height: 100px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.6;
  border: 1px dashed var(--border);
  border-radius: 12px;
  resize: vertical;
  box-sizing: border-box;
  background: var(--bg-secondary);
  font-family: inherit;
  color: var(--text);
  transition: border-color 0.2s;
}
.paste-textarea:focus {
  outline: none;
  border-color: var(--primary);
  border-style: solid;
}
.paste-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  align-items: center;
}

/* ====== 题库列表项 ====== */
/* ====== 横向滚动 ====== */
.hscroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 4px 0;
}
.hscroll::-webkit-scrollbar { display: none; }
.hscroll-chip {
  flex-shrink: 0;
  padding: 10px 18px;
  background: var(--bg-secondary);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  scroll-snap-align: start;
  white-space: nowrap;
}
.hscroll-chip:hover, .hscroll-chip:active {
  background: var(--primary);
  color: #fff;
}


/* 分区外框 */
.section-box {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.section-header h3 {
  margin: 0;
}

.recent-actions {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-shrink: 0;
}
.recent-arrow {
  color: var(--text-secondary);
  font-size: 14px;
}
.btn-icon {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-hover);
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background 0.15s;
}
.btn-icon.btn-play {
  color: var(--primary);
  border: 1.5px solid var(--primary);
  background: transparent;
}
.btn-icon.btn-play:hover {
  background: var(--primary);
  color: #fff;
}
.btn-icon:hover {
  background: var(--primary);
  color: #fff;
}
.save-warn {
  font-size: 12px;
  color: var(--warning);
  margin: 0 0 8px;
}
.empty-hint {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 20px 0;
  text-align: center;
}
.more-link {
  font-size: 12px;
  font-weight: 400;
  color: var(--primary);
  margin-left: auto;
  text-decoration: none;
}
/* ====== 下拉菜单 ====== */
.dropdown-menu {
  position: fixed;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px 0;
  min-width: 150px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  z-index: 1000;
}
.menu-item {
  padding: 10px 16px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.1s;
}
.menu-item:hover {
  background: var(--bg-hover);
}

/* ====== AI 提示词区 ====== */
.ai-prompt-hint {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.ai-prompt-box {
  width: 100%;
  padding: 10px 12px;
  font-size: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  resize: none;
  box-sizing: border-box;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: inherit;
  line-height: 1.5;
}

/* ====== 底部导航 ====== */
.bottom-nav {
  flex-shrink: 0;
  display: flex;
  justify-content: space-around;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 6px 0 max(6px, env(safe-area-inset-bottom));
}
.nav-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 0;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 10px;
  transition: color 0.15s;
}
.nav-tab.active { color: var(--primary); }
.nav-icon { font-size: 20px; }
.nav-label { font-size: 10px; }


/* ====== 记录页 ====== */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.stat-card {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
}
.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}
.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}
.error-review {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border-radius: 10px;
}
.chart-placeholder {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-radius: 12px;
  font-size: 14px;
}

/* ====== 我的页 ====== */
.user-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  background: var(--bg-secondary);
  border-radius: 14px;
}
.user-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  flex-shrink: 0;
}
.user-name { font-size: 16px; font-weight: 600; }
.user-email { font-size: 12px; color: var(--text-secondary); }

.menu-list {
  background: var(--bg-secondary);
  border-radius: 14px;
  overflow: hidden;
}
.menu-item-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.menu-item-row:last-child { border-bottom: none; }
.menu-item-row:hover { background: var(--bg-hover); }
.menu-icon { font-size: 20px; flex-shrink: 0; width: 28px; text-align: center; }
.menu-text { flex: 1; }
.menu-label { font-size: 15px; font-weight: 500; }
.menu-desc { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.menu-arrow { font-size: 18px; color: var(--text-secondary); }