/* ==================== 全局样式 ==================== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #F7EFD8;
  --text: #1C1917;
  --text-secondary: #78716C;
  --border: #E7E5E4;
  --card-bg: #FFFDF8;
  --primary: #F59E0B;
  --primary-hover: #D97706;
  --primary-light: #FEF3C7;
  --success: #22c55e;
  --success-light: #dcfce7;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --warning: #f59e0b;
  --gray-50: #FAFAF9;
  --gray-100: #F5F5F4;
  --gray-200: #E7E5E4;
  --gray-300: #D6D3D1;
  --gray-400: #A8A29E;
  --gray-500: #78716C;
  --gray-600: #57534E;
  --gray-700: #44403C;
  --gray-800: #1C1917;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.05), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.08);
  /* 四色模块 */
  --amber: #F59E0B;
  --teal: #14B8A6;
  --indigo: #6366F1;
  --rose: #F43F5E;
  /* 工作台布局 */
  --sidebar-width: 260px;
  --topbar-height: 68px;
}

body {
  font-family: -apple-system, 'PingFang SC', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ==================== 落地页 ==================== */

.landing-page {
  height: 100vh;
  background-color: #F8F7F5;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.landing-page::before { display: none; }



.landing-hero {
  text-align: center;
  padding: 20px 40px 20px;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.landing-features {
  position: relative;
  z-index: 1;
}

/* 4种颜色的装饰圆点，各自带浮动动画 */
.landing-dot {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
}
.ld-orange { background: #F5824A; animation: dotFloat1 4.8s ease-in-out infinite; opacity: 0.75; }
.ld-teal   { background: #4BBCAC; animation: dotFloat2 5.4s ease-in-out infinite; opacity: 0.70; }
.ld-pink   { background: #E8538A; animation: dotFloat3 6.0s ease-in-out infinite; opacity: 0.68; }
.ld-purple { background: #9C6EF5; animation: dotFloat4 5.1s ease-in-out infinite; opacity: 0.72; }

@keyframes dotFloat1 {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-8px) scale(1.12); }
}
@keyframes dotFloat2 {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-10px) scale(1.08); }
}
@keyframes dotFloat3 {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-6px) scale(1.15); }
}
@keyframes dotFloat4 {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-9px) scale(1.10); }
}
.landing-nav {
  padding: 18px 80px;
  position: relative;
  z-index: 10;
  flex-shrink: 0;
  border-bottom: 1px solid #E5E7EB;
}
.landing-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.landing-logo {
  font-size: 24px;
  font-weight: 800;
  color: #111;
  display: flex;
  align-items: center;
  gap: 8px;
}
.landing-login-btn {
  background: #D97706;
  color: #fff;
  border: none;
  padding: 10px 28px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.landing-login-btn:hover { background: #B45309; }
.landing-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 1px solid #E5E7EB;
  border-radius: 28px;
  font-size: 17px;
  color: #6B7280;
  margin-bottom: 28px;
  background: #fff;
}
.landing-tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #F59E0B;
}
.landing-hero h1 {
  font-size: 84px;
  font-weight: 800;
  color: #111;
  line-height: 1.12;
  margin-bottom: 36px;
  letter-spacing: -0.03em;
}
.landing-subtitle {
  font-size: 28px;
  color: #6B7280;
  margin-bottom: 36px;
  line-height: 1.6;
  font-weight: 400;
}
.landing-subtitle strong {
  color: #D97706;
  font-weight: 700;
}
.landing-desc {
  font-size: 22px;
  color: #9CA3AF;
  margin-bottom: 32px;
  line-height: 1.6;
}
.landing-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 36px;
}
.landing-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #111;
  color: #fff;
  border: none;
  padding: 18px 44px;
  border-radius: 36px;
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.landing-btn-primary:hover { background: #333; }
.landing-btn-primary span { font-size: 22px; }
.landing-btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 18px 38px;
  border: 1.5px solid #D1D5DB;
  border-radius: 36px;
  font-size: 20px;
  font-weight: 500;
  color: #374151;
  text-decoration: none;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s;
}
.landing-btn-outline:hover { border-color: #9CA3AF; }
.landing-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.landing-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 60px;
}
.landing-stat-num {
  font-size: 54px;
  font-weight: 800;
  color: #111;
  letter-spacing: -0.02em;
}
.landing-stat-label {
  font-size: 18px;
  color: #9CA3AF;
  margin-top: 6px;
}
.landing-stat-sep {
  width: 1px;
  height: 56px;
  background: #E5E7EB;
}
.landing-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 56px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 48px;
  flex: 1;
  align-content: center;
}

/* 卡片基础样式 */
.landing-feature-card {
  border-radius: 22px;
  padding: 44px 28px 36px;
  text-align: center;
  border: 1.5px solid transparent;
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}
.landing-feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.10);
}

/* 橙色卡片（解析试卷）*/
.lfc-orange {
  background: linear-gradient(145deg, #FFF4ED 0%, #FFF9F5 100%);
  border-color: rgba(245,130,74,0.18);
}
.lfc-orange:hover { box-shadow: 0 12px 32px rgba(245,130,74,0.15); }

/* 青绿卡片（扫描批改）*/
.lfc-teal {
  background: linear-gradient(145deg, #EEF9F7 0%, #F5FCFB 100%);
  border-color: rgba(75,188,172,0.18);
}
.lfc-teal:hover { box-shadow: 0 12px 32px rgba(75,188,172,0.15); }

/* 玫红卡片（成绩分析）*/
.lfc-pink {
  background: linear-gradient(145deg, #FFF0F5 0%, #FFF7FA 100%);
  border-color: rgba(232,83,138,0.18);
}
.lfc-pink:hover { box-shadow: 0 12px 32px rgba(232,83,138,0.15); }

/* 紫色卡片（错题订正）*/
.lfc-purple {
  background: linear-gradient(145deg, #F5F0FF 0%, #FAF7FF 100%);
  border-color: rgba(156,110,245,0.18);
}
.lfc-purple:hover { box-shadow: 0 12px 32px rgba(156,110,245,0.15); }

/* 图标区域 */
.landing-feature-icon {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  margin: 0 auto 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lfi-orange { background: rgba(245,130,74,0.14); }
.lfi-teal   { background: rgba(75,188,172,0.14); }
.lfi-pink   { background: rgba(232,83,138,0.14); }
.lfi-purple { background: rgba(156,110,245,0.14); }

.landing-feature-icon svg {
  width: 50px;
  height: 50px;
}
.landing-feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: #1A1A1A;
  margin-bottom: 10px;
}
/* 各卡片副标题颜色与主题色对应 */
.lfc-orange p { font-size: 16px; color: #F5824A; line-height: 1.5; font-weight: 500; }
.lfc-teal p   { font-size: 16px; color: #4BBCAC; line-height: 1.5; font-weight: 500; }
.lfc-pink p   { font-size: 16px; color: #E8538A; line-height: 1.5; font-weight: 500; }
.lfc-purple p { font-size: 16px; color: #9C6EF5; line-height: 1.5; font-weight: 500; }
.landing-footer {
  text-align: center;
  padding: 20px;
  color: #D1D5DB;
  font-size: 12px;
  margin-top: auto;
}

/* 登录弹窗 */
.login-hint {
  background: linear-gradient(135deg, #FFFBEB, #FFF7ED);
  color: var(--primary-hover);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
}

.workbench {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: 1fr;
  min-height: 100vh;
}

/* 侧边栏 */
.wb-sidebar {
  grid-column: 1;
  background: #FBF6E7;
  border-right: 1px solid rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  transition: width 0.25s ease, min-width 0.25s ease;
}
.wb-sidebar-logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.wb-sidebar-logo svg {
  color: var(--primary);
  flex-shrink: 0;
}
.wb-sidebar-nav {
  padding: 28px 12px 4px;
}
.wb-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 12px;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 15px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.wb-nav-item:hover {
  background: rgba(245,158,11,0.06);
  color: var(--text);
}
.wb-nav-item.active {
  color: var(--primary-hover);
  background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(251,191,36,0.1));
  font-weight: 600;
}
.wb-nav-icon {
  width: 28px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}
.wb-nav-item.active .wb-nav-icon {
  color: var(--primary);
}
/* 侧边栏底部用户区域 */
.wb-sidebar-footer {
  margin-top: auto;
  padding: 10px 12px 14px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}
.wb-help-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 12px;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.wb-help-btn-icon {
  width: 28px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text);
}
.wb-help-btn-text {
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
  line-height: 1;
}
.wb-help-btn:hover {
  background: rgba(245,158,11,0.06);
  color: var(--text);
}
.wb-sidebar-user {
  width: 100%;
  flex: none;
  padding: 10px 12px;
  border-top: none;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: background 0.15s;
  position: relative;
  min-width: 0;
  border-radius: 14px;
}
.wb-sidebar-user:hover {
  background: transparent;
}
.wb-sidebar-user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
  overflow: hidden;
}
.wb-sidebar-user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.wb-sidebar-user-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.wb-sidebar-user-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.wb-sidebar-user-ver {
  font-size: 11px;
  color: var(--gray-400);
}
/* 用户弹出菜单 */
.wb-user-menu {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 12px;
  right: 12px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  padding: 6px;
  z-index: 200;
}
.wb-user-menu.open {
  display: block;
}
.wb-user-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
}
.wb-user-menu-item:hover {
  background: var(--gray-100);
}
.wb-user-menu-item svg {
  color: var(--gray-500);
  flex-shrink: 0;
}
.wb-user-menu-divider {
  height: 1px;
  background: var(--gray-100);
  margin: 4px 8px;
}

/* 侧边栏"最近试卷" */
.wb-sidebar-recent {
  flex: 1;
  padding: 8px 12px;
  overflow-y: auto;
  min-height: 0;
}
.wb-sidebar-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 12px 8px;
}
.wb-sidebar-recent-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.wb-sidebar-recent-item:hover {
  background: rgba(245,158,11,0.06);
  color: var(--text);
}
.wb-sidebar-recent-item .recent-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--gray-400);
}
.wb-sidebar-recent-item .recent-name {
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 侧边栏 Logo 文字 */
.wb-sidebar-logo-text {
  white-space: nowrap;
  overflow: hidden;
}

/* 侧边栏收起按钮 */
.wb-sidebar-toggle {
  position: absolute;
  top: 20px;
  right: -12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s, background 0.15s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  padding: 0;
}
.wb-sidebar:hover .wb-sidebar-toggle,
.wb-sidebar-toggle:focus {
  opacity: 1;
}
.wb-sidebar-toggle:hover {
  background: var(--gray-100);
}
.wb-sidebar-toggle svg {
  transition: transform 0.3s;
}

/* 侧边栏收起状态 */
.wb-sidebar.collapsed {
  --sidebar-width: 64px;
  width: 64px;
  min-width: 64px;
}
.wb-sidebar.collapsed .wb-sidebar-logo-text { display: none; }
.wb-sidebar.collapsed .wb-nav-label { display: none; }
.wb-sidebar.collapsed .wb-sidebar-recent { display: none; }
.wb-sidebar.collapsed .wb-sidebar-user-info { display: none; }
.wb-sidebar.collapsed .wb-sidebar-logo { justify-content: center; padding: 20px 12px 16px; }
.wb-sidebar.collapsed .wb-nav-item { justify-content: center; padding: 13px; }
.wb-sidebar.collapsed .wb-nav-icon { margin: 0; }
.wb-sidebar.collapsed .wb-sidebar-footer { padding: 10px 8px 14px; align-items: center; }
.wb-sidebar.collapsed .wb-help-btn {
  justify-content: center;
  padding: 13px;
}
.wb-sidebar.collapsed .wb-help-btn-text { display: none; }
.wb-sidebar.collapsed .wb-sidebar-user { justify-content: center; padding: 14px 8px; }
.wb-sidebar.collapsed .wb-sidebar-toggle { right: -12px; }
.wb-sidebar.collapsed .wb-sidebar-toggle svg { transform: rotate(180deg); }
.wb-sidebar.collapsed .wb-user-menu { left: 100%; bottom: 0; min-width: 180px; margin-left: 8px; }

/* 收起状态 tooltip */
.wb-sidebar.collapsed .wb-nav-item {
  position: relative;
}
.wb-sidebar.collapsed .wb-nav-item::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--text);
  color: white;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  z-index: 200;
}
.wb-sidebar.collapsed .wb-nav-item:hover::after {
  opacity: 1;
}
.wb-sidebar.collapsed .wb-help-btn {
  position: relative;
}
.wb-sidebar.collapsed .wb-help-btn::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--text);
  color: white;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  z-index: 200;
}
.wb-sidebar.collapsed .wb-help-btn:hover::after {
  opacity: 1;
}
.wb-sidebar.collapsed .wb-sidebar-user-avatar {
  position: relative;
}

/* 侧边栏遮罩（手机端） */
.wb-sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3);
  z-index: 99;
}

/* 主区域 */
.wb-main {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
}

/* 顶部栏 */
.wb-topbar {
  height: var(--topbar-height);
  background: rgba(247,239,216,0.88);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(120,113,108,0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.wb-topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.wb-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--gray-600);
  cursor: pointer;
  padding: 4px;
}
/* 面包屑导航 */
.wb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 16px;
}
.wb-breadcrumb-item {
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.15s;
  font-weight: 500;
}
.wb-breadcrumb-item:hover {
  color: var(--text);
}
.wb-breadcrumb-sep {
  color: var(--gray-400);
  margin: 0 8px;
  font-size: 13px;
  user-select: none;
}
.wb-breadcrumb-current {
  color: var(--text);
  font-weight: 600;
}

/* 个人信息卡片 */
.profile-avatar-section {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-bottom: 20px;
}
.profile-avatar-wrap {
  flex-shrink: 0;
}
.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.profile-avatar-camera {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.profile-avatar:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.profile-avatar-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.profile-avatar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.profile-avatar-desc {
  font-size: 13px;
  color: var(--gray-500);
}
.profile-divider {
  height: 1px;
  background: var(--gray-200);
  margin-bottom: 20px;
}
.profile-fields-vertical {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.avatar-picker {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0,0,0,0.06);
}
.avatar-picker-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
}
.avatar-picker-item {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}
.avatar-picker-item:hover {
  background: rgba(245,158,11,0.1);
  transform: scale(1.15);
}

/* 内容区 */
.wb-content {
  flex: 1;
  overflow-y: auto;
}
.wb-page {
  display: none;
}
.wb-page.active {
  display: block;
}

/* 设置页双栏 */
.settings-shell {
  max-width: 1240px;
  margin: 0;
  padding: 24px;
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 32px;
}
.settings-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
  background: transparent;
  box-shadow: none;
  border: none;
  padding: 24px 0 0 0;
}
.settings-sidebar-title {
  display: none;
}
.settings-nav-item {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 16px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 6px;
  font-weight: 500;
}
.settings-nav-item:hover {
  background: var(--gray-50);
  color: var(--text);
}
.settings-nav-item.active {
  background: var(--primary-light);
  color: var(--primary-hover);
  font-weight: 700;
}
.settings-main {
  min-width: 0;
}
.settings-section {
  display: none;
}
.settings-section.active {
  display: block;
}
.settings-tip {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.settings-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.settings-summary-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 14px;
}
.settings-summary-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.settings-summary-value {
  font-size: 15px;
  font-weight: 700;
  word-break: break-all;
}
.settings-collapse-btn {
  width: 100%;
  border: none;
  background: transparent;
  padding: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  margin-bottom: 16px;
}
#diagnosticsPanel {
  display: block;
}
.student-manage-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.student-class-list {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 10px;
  min-height: 420px;
}
.student-class-item {
  width: 100%;
  border: none;
  background: transparent;
  border-radius: 12px;
  padding: 12px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  color: var(--text);
  text-align: left;
  transition: all 0.15s;
}
.student-class-item:hover {
  background: white;
}
.student-class-item.active {
  background: var(--primary-light);
  color: var(--primary-hover);
  font-weight: 700;
}
.student-class-count {
  font-size: 12px;
  color: var(--gray-500);
  white-space: nowrap;
}
.student-preview {
  margin-bottom: 0;
}
.student-preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.student-preview-meta {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}
.student-search-input {
  max-width: 220px;
}
.student-preview-list {
  display: grid;
  gap: 8px;
}
.student-preview-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
}
.student-preview-no {
  font-size: 12px;
  color: var(--gray-500);
}
.student-preview-item .student-delete-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--gray-400);
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  opacity: 0;
  transition: all 0.15s;
  flex-shrink: 0;
}
.student-preview-item:hover .student-delete-btn {
  opacity: 1;
}
.student-preview-item .student-delete-btn:hover {
  background: #fee2e2;
  color: #dc2626;
}
.student-add-bar {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--gray-200);
  align-items: center;
}
.student-add-bar .form-input {
  flex: 1;
  margin: 0;
}
.student-class-item .class-delete-btn {
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  color: var(--gray-400);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  opacity: 0;
  transition: all 0.15s;
  flex-shrink: 0;
}
.student-class-item:hover .class-delete-btn {
  opacity: 1;
}
.student-class-item .class-delete-btn:hover {
  color: #dc2626;
}
.auth-user-list {
  display: grid;
  gap: 10px;
}
.auth-user-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  background: var(--gray-50);
}
.auth-user-main {
  display: flex;
  align-items: center;
  gap: 10px;
}
.auth-user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.auth-user-name {
  font-size: 14px;
  font-weight: 700;
}
.auth-user-username,
.auth-user-note {
  font-size: 12px;
  color: var(--text-secondary);
}

  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 28px;
  padding-top: 8px;
  text-align: left;
}
.dashboard-date {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* 快捷操作卡片 */
.dash-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 32px;
}
.dash-action-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px 18px 20px;
  cursor: pointer;
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: var(--shadow);
  transition: all 0.25s;
  text-align: center;
}
.dash-action-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.dash-action-illust {
  width: 72px;
  height: 72px;
  margin: 0 auto 14px;
}
.dash-action-illust svg {
  width: 100%;
  height: 100%;
}
.dash-action-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.dash-action-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* 最近批改 */
.dash-recent-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.dash-recent-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.04);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.dash-recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 20px;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: background 0.15s;
  cursor: pointer;
}
.dash-recent-item:last-child { border-bottom: none; }
.dash-recent-item:hover { background: var(--gray-50); }
.dash-recent-info { flex: 1; min-width: 0; }
.dash-recent-info .name { font-size: 14px; font-weight: 600; color: var(--text); }
.dash-recent-info .meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.dash-recent-score { font-size: 18px; font-weight: 700; color: var(--indigo); }
.dash-empty {
  text-align: center;
  padding: 40px 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.04);
}
.dash-empty-icon { font-size: 40px; margin-bottom: 12px; }
.dash-empty-text { font-size: 14px; color: var(--text-secondary); }

.dashboard-greeting {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 28px;
  padding-top: 8px;
  text-align: left;
}

/* ==================== 通用容器 ==================== */
.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 24px 32px;
}
/* 解析试卷页 */
#paperPage .container {
  max-width: 1060px;
  padding: 24px 32px;
}
/* 扫描页需要更宽的容器（三栏布局） */
#scanPage .container {
  max-width: min(1720px, calc(100vw - 96px));
  padding: 16px 20px 20px;
}
/* 错题订正页也需要更宽的容器 */
#targetPage .container {
  max-width: 1060px;
}

/* ==================== 按钮 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-primary { background: var(--text); color: white; }
.btn-primary:hover { background: var(--gray-700); box-shadow: 0 4px 12px rgba(0,0,0,0.12); }
.btn-primary:disabled { background: var(--gray-300); cursor: not-allowed; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { box-shadow: 0 4px 12px rgba(34,197,94,0.25); }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { box-shadow: 0 4px 12px rgba(239,68,68,0.25); }
.btn-outline { background: white; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-300); }
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; padding: 12px; font-size: 15px; }

/* ==================== 表单 ==================== */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-input, .form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text);
  background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.1);
}
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* ==================== 卡片 ==================== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
  padding: 24px;
  margin-bottom: 16px;
  transition: box-shadow 0.3s, transform 0.3s;
}
.card:hover {
  box-shadow: var(--shadow-hover);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.card-title { font-size: 17px; font-weight: 600; color: var(--text); }

/* ==================== 设置答案页 ==================== */
.paper-page-switch {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}
.paper-view-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: white;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.paper-view-btn:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}
.paper-view-btn.active {
  background: var(--text);
  color: white;
  border-color: var(--text);
}
.choice-grid { display: flex; gap: 0; margin-top: 6px; }
.choice-option { flex: 1; text-align: center; }
.choice-option input[type="radio"] { display: none; }
.choice-option label {
  display: block;
  padding: 8px 0;
  border: 1.5px solid var(--border);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  transition: all 0.15s;
}
.choice-option:first-child label { border-radius: 8px 0 0 8px; }
.choice-option:last-child label { border-radius: 0 8px 8px 0; }
.choice-option input:checked + label {
  background: linear-gradient(135deg, #14B8A6, #06B6D4);
  color: white;
  border-color: var(--teal);
}
.question-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.question-num {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  min-width: 24px;
}
.question-item .form-input { flex: 1; margin-bottom: 0; }
/* ===== 试卷页 tab 切换按钮（开智风格） ===== */
.paper-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 16px;
}
.paper-tab-bar {
  display: inline-flex;
  background: var(--gray-100);
  border-radius: 10px;
  padding: 3px;
  flex-shrink: 0;
}
.paper-tab-btn {
  padding: 8px 20px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--gray-500);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.paper-tab-btn:hover {
  color: var(--text);
}
.paper-tab-btn.active {
  background: white;
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.paper-search-input {
  max-width: 240px;
  margin-bottom: 0 !important;
}

/* ===== 输入试卷页（极简） ===== */
.paper-input-card {
  padding: 28px 28px 24px;
}
.paper-input-head {
  margin-bottom: 20px;
}
.paper-input-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
}
.paper-input-desc {
  font-size: 14px;
  color: var(--gray-500);
  margin: 0;
  line-height: 1.7;
}
.paper-import-relation,
.paper-import-answer-position,
.paper-import-input-block,
.paper-import-tip {
  margin-bottom: 16px;
}
.paper-import-file-status {
  padding: 10px 12px;
  border-radius: 10px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  color: #334155;
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 12px;
}
.paper-import-file-status strong {
  color: #0F172A;
}
.paper-import-relation-title,
.paper-import-block-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.paper-import-relation-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}
.paper-import-relation-option {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text);
}
.paper-import-relation-option input {
  margin: 0;
}
.paper-input-textarea {
  min-height: 320px;
  resize: vertical;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 0;
}
.paper-input-textarea-answer {
  min-height: 180px;
}
.paper-import-tip {
  padding: 10px 12px;
  border-radius: 10px;
  background: #FEF5E7;
  border: 1px solid #F8D8A8;
  color: #9A3412;
  font-size: 13px;
  line-height: 1.6;
}
.paper-import-inline-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}
.paper-input-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}
.paper-input-actions .btn,
.paper-import-inline-actions .btn {
  padding: 12px 28px;
  font-size: 15px;
}
/* ===== 解析结果页 ===== */
#paperSubResult.container {
  max-width: 1500px;
  padding: 20px 24px 24px;
}
.parse-result-header {
  margin-bottom: 0;
}
.parse-result-warning {
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  background: #FEF5E7;
  border: 1px solid #F8D8A8;
  color: #B45309;
  font-size: 14px;
  line-height: 1.6;
}
.parse-result-feedback {
  margin-top: 12px;
  padding: 12px;
  border-radius: 12px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
}
.parse-result-feedback-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.parse-result-feedback-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.parse-result-feedback-stats {
  font-size: 12px;
  color: var(--gray-500);
  text-align: right;
}
.parse-result-feedback-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.parse-result-feedback-item {
  padding: 5px 9px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.4;
  background: white;
  border: 1px solid #E5E7EB;
  color: var(--text-secondary);
}
.parse-result-feedback-item.is-ok {
  color: #166534;
  background: #F0FDF4;
  border-color: #BBF7D0;
}
.parse-result-feedback-item.is-warning {
  color: #92400E;
  background: #FFFBEB;
  border-color: #FDE68A;
}
.parse-result-feedback-item.is-danger {
  color: #991B1B;
  background: #FEF2F2;
  border-color: #FECACA;
}
.parse-result-section {
  margin-bottom: 22px;
}
.parse-result-section:last-child {
  margin-bottom: 0;
}
.parse-result-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.95fr) minmax(280px, 0.75fr);
  gap: 20px;
  align-items: start;
}
.parse-result-shell {
  background: white;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
  padding: 18px;
}
.parse-result-left-pane,
.parse-result-right-pane {
  min-width: 0;
}
.parse-result-left-header {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.parse-result-paper-title-input {
  width: 100%;
  font-size: 22px;
  font-weight: 700;
  padding: 14px 16px;
  text-align: center;
  border: none;
  background: transparent;
  box-shadow: none;
}
.parse-result-left-scroll,
.parse-result-settings-panel {
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}
.parse-result-left-scroll {
  max-height: calc(100vh - 128px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 18px 6px 24px 0;
  background: transparent;
  border: none;
  box-shadow: none;
}
.parse-result-right-surface {
  background: #F6F7FB;
  border-radius: 16px;
  padding: 16px;
}
.parse-result-settings-panel {
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 128px);
  overflow-y: auto;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
}
.parse-result-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gray-100);
}
.parse-result-choice-stream {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.parse-result-question-card.is-choice-card {
  min-height: auto;
  padding: 12px 10px;
  position: relative;
}
.parse-result-choice-inline-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 44px;
  align-items: start;
  gap: 8px;
  line-height: 1.7;
}
.parse-result-choice-inline-text {
  min-width: 0;
  word-break: break-word;
}
.parse-result-choice-options-line {
  margin-left: 36px;
  margin-top: 6px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.75;
}
.parse-result-question-toolbar-wrap {
  position: absolute;
  top: -32px;
  right: 0;
  display: none;
  padding: 4px 8px;
  border: 1px solid #2563EB;
  border-radius: 8px 8px 0 0;
  background: white;
  z-index: 3;
}
.parse-result-question-card.is-choice-card:hover .parse-result-question-toolbar-wrap,
.parse-result-question-card.is-choice-card.is-editing .parse-result-question-toolbar-wrap,
.parse-result-question-card.is-material-card:hover .parse-result-question-toolbar-wrap,
.parse-result-question-card.is-material-card.is-editing .parse-result-question-toolbar-wrap {
  display: block;
}
.parse-result-question-toolbar {
  position: static;
  display: flex;
  gap: 4px;
}
.parse-result-question-card.is-choice-card {
  background: transparent;
  border: 1px solid transparent;
  box-shadow: none;
}
.parse-result-question-card.is-choice-card:hover,
.parse-result-question-card.is-choice-card.is-editing {
  background: white;
  border-color: #2563EB;
  box-shadow: none;
}
.parse-result-question-card.is-material-card {
  grid-column: span 6;
  min-height: 180px;
  background: transparent;
  border: 1px solid transparent;
  position: relative;
}
.parse-result-question-card.is-material-card .parse-result-question-score {
  display: none;
}
.parse-result-question-card.is-material-card.is-wide {
  grid-column: span 12;
}
.parse-result-question-card.is-editing {
  cursor: default;
}
.parse-result-question-card.is-choice-card:hover,
.parse-result-question-card.is-choice-card.is-editing,
.parse-result-question-card.is-choice-card.is-active {
  background: white;
  border-color: #2563EB;
  box-shadow: none;
}
.parse-result-question-card.is-material-card:hover,
.parse-result-question-card.is-material-card.is-editing,
.parse-result-question-card.is-material-card.is-active {
  background: white;
  border-color: #2563EB;
  box-shadow: none;
}
.parse-result-question-toolbar .btn-icon {
  width: 28px;
  height: 28px;
  font-size: 13px;
  border-radius: 6px;
}
.parse-result-question-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.parse-result-question-score {
  margin-left: auto;
  font-size: 13px;
  color: var(--gray-400);
  font-weight: 500;
}
.parse-result-question-read {
  cursor: pointer;
}
.parse-result-choice-card-line {
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
  min-height: 44px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.parse-result-question-stem {
  font-size: 14px;
  color: var(--text);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}
.parse-result-question-summary {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 6px;
  line-height: 1.55;
}
.parse-result-question-status {
  color: #B45309;
}
.parse-result-question-editor {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--gray-100);
}
.parse-result-editor-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}
.parse-result-settings-section {
  margin-bottom: 24px;
}
.parse-result-settings-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.parse-result-settings-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.parse-result-choice-table {
  border: 1px solid var(--gray-400);
  border-radius: 0;
  background: white;
  overflow: hidden;
}
.parse-result-choice-table-head,
.parse-result-choice-table-row {
  display: grid;
  grid-template-columns: 64px 82px minmax(0, 1fr);
  align-items: stretch;
  gap: 0;
  padding: 0;
}
.parse-result-choice-table-head > span,
.parse-result-choice-table-row > div {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 10px;
  border-right: 1px solid var(--gray-400);
  border-bottom: 1px solid var(--gray-400);
  box-sizing: border-box;
  background-clip: padding-box;
}
.parse-result-choice-table-head > span:last-child,
.parse-result-choice-table-row > div:last-child {
  border-right: none;
}
.parse-result-choice-table-row:last-child > div {
  border-bottom: none;
}
.parse-result-choice-table-score,
.parse-result-choice-table-answer-input {
  margin: 0;
}
.parse-result-choice-table-head {
  background: #F7F7F7;
  color: var(--gray-600);
  font-size: 13px;
  font-weight: 600;
}
.parse-result-choice-table-row {
  background: white;
}
.parse-result-choice-table-row.is-active {
  background: #F8FAFF;
}
.parse-result-choice-table-row.is-conflict {
  background: #FFF7ED;
}
.parse-result-choice-table-num {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.parse-result-choice-table-answers {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.parse-result-choice-table-score {
  width: 100%;
}
.parse-result-choice-table-answer-input {
  min-width: 0;
  width: 100%;
}
.parse-result-choice-table-score .form-input,
.parse-result-choice-table-answer-input .form-input {
  width: 100%;
}
.parse-result-answer-cell {
  text-align: center;
  font-weight: 600;
}
.parse-result-score-batch-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--gray-600);
  font-size: 14px;
  flex-wrap: wrap;
}
.parse-result-score-batch-input {
  width: 64px;
  min-width: 64px;
  text-align: center;
}
.parse-result-score-batch-value {
  width: 72px;
  min-width: 72px;
}
.parse-result-section-note {
  margin-left: 10px;
  font-size: 13px;
  color: #B45309;
  font-weight: 500;
}
.parse-result-settings-empty {
  padding: 16px;
  border: 1px dashed var(--gray-200);
  border-radius: 12px;
  color: var(--gray-500);
  background: var(--gray-50);
  font-size: 14px;
}
.parse-result-choice-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  background: white;
  margin-bottom: 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
.parse-result-choice-setting-row.is-active,
.parse-result-blank-setting-card.is-active,
.parse-result-material-setting-card.is-active {
  border-color: var(--indigo);
  box-shadow: 0 2px 12px rgba(99,102,241,0.12);
}
.parse-result-choice-setting-main {
  flex: 1;
  min-width: 0;
}
.parse-result-choice-setting-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.parse-result-choice-setting-stem {
  font-size: 14px;
  color: var(--text);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.parse-result-setting-score {
  width: 74px;
  flex-shrink: 0;
}
.parse-result-choice-btns-compact .q-choice-btn {
  padding: 4px 10px;
  min-width: 34px;
}
.parse-result-docx-image {
  display: block;
  max-width: 100%;
  max-height: 220px;
  margin: 8px 0;
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  background: white;
}
.parse-result-docx-image-clickable {
  cursor: zoom-in;
}
.parse-result-docx-image-inline {
  display: inline-block;
  vertical-align: middle;
  max-width: 180px;
  max-height: 120px;
  margin: 4px 0 4px 4px;
}
.parse-result-docx-image-missing {
  display: inline-block;
  font-size: 12px;
  color: var(--gray-400);
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 999px;
}
.parse-result-choice-num {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  min-width: 24px;
}
.parse-result-blank-setting-card,
.parse-result-material-setting-card {
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  background: white;
  padding: 14px;
  margin-bottom: 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
.parse-result-setting-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.parse-result-setting-card-stem {
  font-size: 14px;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 10px;
}
.parse-result-blank-setting-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.parse-result-blank-label {
  min-width: 34px;
  font-size: 13px;
  color: var(--gray-500);
}
.parse-result-material-toggle {
  white-space: nowrap;
}
.parse-result-material-body {
  font-size: 14px;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 14px;
  max-height: 180px;
  overflow-y: auto;
  padding: 12px;
  background: var(--gray-50);
  border-radius: 10px;
  border: 1px solid var(--gray-100);
}
.parse-result-material-body-inline {
  max-height: none;
  overflow: visible;
  background: transparent;
  border: none;
  padding: 0;
  margin-bottom: 12px;
}
.parse-result-material-excerpt {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 12px;
  padding: 12px;
  background: var(--gray-50);
  border-radius: 10px;
  border: 1px solid var(--gray-100);
}
.parse-result-material-sub-card {
  border-top: 1px solid var(--gray-100);
  padding-top: 12px;
  margin-top: 12px;
}
.parse-result-sub-label {
  font-size: 13px;
  font-weight: 700;
  color: #8B5CF6;
  margin-bottom: 8px;
}
.parse-result-sub-stem {
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}
.parse-result-sub-analysis {
  margin-top: 8px;
  margin-bottom: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  color: #475569;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
}
.parse-result-material-setting-card .parse-result-sub-label {
  margin-bottom: 6px;
}
.parse-result-material-setting-card .parse-result-textarea-compact {
  min-height: 84px;
}
.parse-result-sub-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.parse-result-textarea-compact {
  min-height: 92px;
}
.parse-result-batch-trigger {
  white-space: nowrap;
}
.parse-result-batch-modal {
  max-width: 680px;
}
.batch-answer-modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.batch-answer-tip {
  font-size: 13px;
  line-height: 1.7;
  color: #2563EB;
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  padding: 12px 14px;
  border-radius: 10px;
}
.batch-answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
}
.batch-answer-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.batch-answer-group-label {
  font-size: 14px;
  color: var(--gray-500);
}
.batch-answer-group-input {
  border-color: #F59E0B;
}
.batch-answer-modal-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 4px;
}
.parse-result-save-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FFFFFF;
  border-radius: 14px;
  box-shadow: none;
  padding: 14px 16px;
  margin-top: 16px;
  position: sticky;
  bottom: 0;
  border: 1px solid #E5E7EB;
  z-index: 10;
}
.parse-result-save-info {
  font-size: 15px;
  color: var(--text-secondary);
}
.parse-result-save-info strong {
  color: var(--text);
}
.parse-result-conflict-text {
  color: #C2410C;
  font-weight: 600;
}
.parse-result-conflict-note {
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: #9A3412;
  background: #FFF7ED;
  border-bottom: 1px solid #FED7AA;
}
.parse-result-image-modal {
  background: rgba(15, 23, 42, 0.68);
}
.parse-result-image-dialog {
  max-width: min(960px, 92vw);
}
.parse-result-image-body {
  padding: 12px 0 0;
}
.parse-result-image-full {
  display: block;
  width: 100%;
  max-height: 76vh;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
}
@media (max-width: 1180px) {
  .parse-result-choice-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
@media (max-width: 980px) {
  .parse-result-workspace {
    grid-template-columns: 1fr;
  }
  .parse-result-left-scroll,
  .parse-result-settings-panel {
    max-height: none;
    position: static;
  }
  .parse-result-choice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .paper-input-actions { flex-direction: column; }
  .paper-input-actions .btn { width: 100%; }
  .parse-result-save-bar { flex-direction: column; gap: 12px; }
  .batch-answer-grid,
  .parse-result-choice-grid { grid-template-columns: 1fr; }
  .parse-result-choice-table-head,
  .parse-result-choice-table-row {
    grid-template-columns: 1fr;
  }
  .parse-result-blank-setting-row,
  .parse-result-sub-actions { flex-direction: column; align-items: stretch; }
  .parse-result-setting-score,
  .parse-result-choice-table-score { width: 100%; }
}

.parse-result-material-excerpt {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 12px;
  max-height: 60px;
  overflow: hidden;
}
.parse-result-sub-grid {
  display: grid;
  gap: 10px;
}
.parse-result-sub-item {
  background: var(--gray-50);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 8px;
}
.parse-result-sub-item-compact {
  padding: 10px;
  margin-bottom: 4px;
}
.parse-result-sub-label {
  font-size: 12px;
  font-weight: 600;
  color: #8B5CF6;
  margin-bottom: 6px;
}
.parse-result-sub-stem {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.65;
}
.parse-result-sub-actions {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}
.parse-result-textarea-compact {
  min-height: 52px;
}
.parse-result-compact-bar {
  margin-bottom: 10px;
}
/* ===== 已有试卷独立编辑页 ===== */
.paper-edit-page {
  max-width: 1060px;
}
.paper-edit-header {
  margin-bottom: 24px;
}
.paper-edit-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.paper-edit-header-actions {
  display: flex;
  gap: 8px;
}
.paper-edit-title-wrap {
  text-align: center;
  cursor: pointer;
  padding: 8px 0;
  border-radius: var(--radius);
  transition: background 0.15s;
  margin-bottom: 8px;
}
.paper-edit-title-wrap:hover {
  background: var(--gray-50);
}
.paper-edit-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.paper-edit-title-input {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.paper-edit-meta {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 14px;
  color: var(--gray-500);
}
.paper-edit-body {
  margin-bottom: 32px;
}
.paper-edit-question-card {
  position: relative;
  background: white;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
  cursor: default;
}
.paper-edit-question-card:hover {
  border-color: var(--gray-300);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.paper-edit-question-card.is-active {
  border-color: var(--indigo);
  box-shadow: 0 2px 12px rgba(99,102,241,0.12);
}
.paper-edit-question-toolbar {
  position: absolute;
  top: 8px;
  right: 8px;
  display: none;
  gap: 4px;
  z-index: 2;
}
.paper-edit-question-card:hover .paper-edit-question-toolbar,
.paper-edit-question-card.is-active .paper-edit-question-toolbar {
  display: flex;
}
.paper-edit-question-toolbar .btn-icon {
  width: 28px;
  height: 28px;
  font-size: 13px;
  border-radius: 6px;
}
.paper-edit-question-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.paper-edit-question-score {
  margin-left: auto;
  font-size: 13px;
  color: var(--gray-400);
  font-weight: 500;
}
.paper-edit-question-read {
  cursor: pointer;
}
.paper-edit-question-stem {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}
.paper-edit-question-summary {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
  line-height: 1.5;
}
.paper-edit-question-editor {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
}
.parse-result-save-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FFFFFF;
  border-radius: 14px;
  box-shadow: none;
  padding: 14px 16px;
  margin-top: 16px;
  position: sticky;
  bottom: 0;
  border: 1px solid #E5E7EB;
  z-index: 10;
}
.parse-result-save-info {
  font-size: 15px;
  color: var(--text-secondary);
}
.parse-result-save-info strong {
  color: var(--text);
}
.parse-result-conflict-text {
  color: #C2410C;
  font-weight: 600;
}
.parse-result-conflict-note {
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: #9A3412;
  background: #FFF7ED;
  border-bottom: 1px solid #FED7AA;
}
.parse-result-image-modal {
  background: rgba(15, 23, 42, 0.68);
}
.parse-result-image-dialog {
  max-width: min(960px, 92vw);
}
.parse-result-image-body {
  padding: 12px 0 0;
}
.parse-result-image-full {
  display: block;
  width: 100%;
  max-height: 76vh;
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
}
@media (max-width: 640px) {
  .paper-input-actions { flex-direction: column; }
  .paper-input-actions .btn { width: 100%; }
  .parse-result-material-grid { grid-template-columns: 1fr; }
  .parse-result-save-bar { flex-direction: column; gap: 12px; }
  .parse-result-name-row { flex-direction: column; align-items: stretch; }
}
/* ===== 输入试卷多卡布局 ===== */
.paper-form-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 28px;
}
.paper-section-card {
  padding: 22px 24px;
}
.paper-section-card-compact {
  padding-bottom: 18px;
}
.paper-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.paper-section-head-stack {
  flex-direction: column;
  align-items: flex-start;
}
.paper-section-kicker {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-400);
  margin-bottom: 4px;
}
.paper-section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.4;
}
.paper-section-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.7;
}
.paper-question-actions {
  position: relative;
  margin-top: 8px;
}
.paper-save-bar {
  z-index: 10;
}
.paper-save-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.paper-summary-empty {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}
.paper-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.paper-summary-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 12px 14px;
}
.paper-summary-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 6px;
}
.paper-summary-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.paper-summary-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.paper-summary-notes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.paper-summary-note {
  font-size: 13px;
  line-height: 1.7;
  padding: 10px 12px;
  border-radius: 10px;
}
.paper-summary-note-warning {
  color: #92400e;
  background: #fef3c7;
}
.paper-summary-note-info {
  color: #1e40af;
  background: #eff6ff;
}
.paper-import-preview-card {
  background: var(--gray-50);
  border-radius: 14px;
  padding: 20px;
}
.paper-import-preview-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.paper-choice-answer-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}
.paper-choice-answer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.paper-choice-answer-tip {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 10px;
  line-height: 1.7;
}
.paper-choice-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
}
.paper-choice-manual,
.paper-choice-batch {
  min-width: 0;
}
.paper-choice-subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 8px;
}
.paper-choice-group {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 10px;
}
.paper-choice-group:last-child {
  margin-bottom: 0;
}
.paper-choice-group-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  margin-bottom: 8px;
}
.paper-choice-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}
.paper-choice-item {
  min-width: 0;
}
.paper-choice-index {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  margin-bottom: 6px;
}
.paper-choice-btn-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
}
.paper-choice-btn-row .q-choice-btn {
  width: 100%;
  padding: 6px 0;
}
.paper-choice-batch-input {
  margin-bottom: 0 !important;
  font-size: 15px;
  font-family: monospace;
  letter-spacing: 2px;
}
.paper-choice-batch-input::placeholder {
  letter-spacing: 0;
}
.paper-import-errors {
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 12px;
  line-height: 1.7;
}
.q-card.is-missing-answer {
  border-color: #f5c842;
  background: #fffdf5;
}
.q-sub-card.is-missing-answer {
  border-color: #f5c842;
  background: #fffdf5;
}
.q-missing-note {
  font-size: 12px;
  color: #92400e;
  margin-bottom: 8px;
}

.paper-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 16px;
}
.paper-card {
  background: white;
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  padding: 20px 20px 10px 20px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.paper-card:hover {
  border-color: var(--gray-300);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.paper-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 10px;
}
.paper-card-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  flex: 1;
  margin: 0;
}
.paper-card-score {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  margin-left: 12px;
}
.paper-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.paper-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--gray-100);
  color: var(--gray-600);
}
.paper-tag-choice { background: #EBF5FB; color: #2E86C1; }
.paper-tag-judge { background: #E8F8F5; color: #1BA8A0; }
.paper-tag-blank { background: #FEF5E7; color: #E67E22; }
.paper-tag-material { background: #F4ECF7; color: #8E44AD; }
.paper-card-meta {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 6px;
}
.paper-card-scan {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 0;
  cursor: default;
}
.paper-card-scan:not([title=""]):hover {
  color: var(--primary);
}
.paper-card-actions {
  display: flex;
  align-items: center;
  border-top: 1px solid var(--gray-100);
  margin-top: 8px;
  padding-top: 6px;
  padding-bottom: 0;
}
/* 图标组：靠右 */
.paper-card-icon-group {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-left: auto;
}
/* 图标按钮 */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  background: transparent;
  color: var(--gray-500);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  padding: 0;
  flex-shrink: 0;
}
.btn-icon svg {
  width: 18px;
  height: 18px;
}
.btn-icon:hover {
  background: var(--gray-50);
  color: var(--primary);
  border-color: var(--primary);
}
.btn-icon-danger:hover {
  background: #FEF2F2;
  color: var(--danger);
  border-color: var(--danger);
}
.paper-empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}
.paper-empty-icon { font-size: 48px; margin-bottom: 12px; }
.paper-empty-text { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.paper-empty-hint { font-size: 14px; }

/* 分页条 */
.paper-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  padding-bottom: 8px;
}
.paper-pager-btn {
  padding: 6px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: white;
  color: var(--gray-600);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}
.paper-pager-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}
.paper-pager-btn:disabled {
  opacity: 0.35;
  cursor: default;
}
.paper-pager-info {
  font-size: 14px;
  color: var(--gray-500);
  min-width: 48px;
  text-align: center;
}

/* ===== 试卷详情页 ===== */
.paper-detail-header {
  margin-bottom: 24px;
}
.paper-detail-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px 0;
}
.paper-detail-meta {
  display: flex;
  gap: 16px;
  font-size: 14px;
  color: var(--gray-500);
}
.paper-detail-questions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.paper-detail-q {
  background: white;
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 16px;
}
.paper-detail-q-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.paper-detail-q-num {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.paper-detail-q-score {
  font-size: 13px;
  color: var(--gray-400);
  margin-left: auto;
}
.paper-detail-q-stem {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 8px;
  white-space: pre-wrap;
}
.paper-detail-q-options {
  margin: 8px 0;
}
.paper-detail-q-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 10px;
  font-size: 14px;
  color: var(--text);
  border-radius: 8px;
  line-height: 1.5;
}
.paper-detail-q-option.is-answer {
  background: #E8F8F5;
  color: #1BA8A0;
  font-weight: 500;
}
.paper-detail-q-option-letter {
  font-weight: 600;
  min-width: 20px;
  color: var(--gray-500);
}
.paper-detail-q-option.is-answer .paper-detail-q-option-letter {
  color: #1BA8A0;
}
.paper-detail-q-answer {
  font-size: 13px;
  color: var(--success);
  margin-top: 6px;
  padding: 6px 10px;
  background: var(--gray-50);
  border-radius: 8px;
}
.paper-detail-q-material {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
  padding: 12px;
  background: var(--gray-50);
  border-radius: 8px;
  white-space: pre-wrap;
  max-height: 200px;
  overflow: auto;
}
.paper-detail-q-sub {
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  margin: 8px 0;
  padding-left: 8px;
  border-left: 3px solid var(--gray-200);
}
.paper-detail-footer {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-start;
  padding: 16px 0;
  border-top: 1px solid var(--gray-100);
}

/* ===== 导入页 ===== */
.paper-import-source-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.paper-import-source-row .btn {
  padding: 12px 24px;
  font-size: 15px;
}

/* 旧样式保留兼容 */
.paper-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: background 0.15s;
}
.paper-item:hover { background: var(--gray-50); margin: 0 -12px; padding: 14px 12px; border-radius: 12px; }
.paper-item:last-child { border-bottom: none; }
.paper-info h3 { font-size: 15px; font-weight: 600; margin-bottom: 3px; color: var(--text); }
.paper-info p { font-size: 13px; color: var(--text-secondary); }
.paper-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 20px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gray-100);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ==================== 填空题构建器 ==================== */
.blank-builder { margin-top: 12px; }
.question-card {
  background: var(--gray-50);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 10px;
  position: relative;
  transition: border-color 0.2s;
}
.question-card:hover { border-color: var(--gray-300); }
.question-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.question-card-header .q-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}
.question-card-header .btn-remove-q {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 18px;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.15s;
}
.question-card-header .btn-remove-q:hover {
  color: var(--danger);
  background: var(--danger-light);
}
.blank-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.blank-row .blank-label {
  font-size: 13px;
  color: var(--gray-500);
  min-width: 40px;
  flex-shrink: 0;
}
.blank-row .form-input { flex: 1; margin-bottom: 0; padding: 8px 12px; font-size: 14px; }
.blank-row .btn-remove-blank {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 4px;
}
.blank-row .btn-remove-blank:hover { color: var(--danger); }
.btn-add-blank {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: 1px dashed var(--gray-300);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--gray-500);
  cursor: pointer;
  transition: all 0.15s;
}
.btn-add-blank:hover { border-color: var(--teal); color: var(--teal); }
.btn-add-question {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 14px;
  background: white;
  border: 2px dashed var(--gray-200);
  border-radius: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 8px;
}
.btn-add-question:hover { border-color: var(--teal); color: var(--teal); }


/* ==================== 扫描页 ==================== */
.scan-setup-card {
  margin-bottom: 10px;
}
.scan-setup-card .card-header {
  margin-bottom: 10px;
}
.scan-setup-hint {
  font-size: 12px;
  color: var(--gray-500);
}
.scan-setup-row {
  align-items: flex-end;
  gap: 10px;
}
.scan-setup-row .form-group {
  margin-bottom: 0;
}
.scan-mode-panel {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
}
.scan-mode-label {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}
.scan-mode-options {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--gray-50);
}
.scan-mode-option {
  position: relative;
  cursor: pointer;
}
.scan-mode-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.scan-mode-option span {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}
.scan-mode-option input:checked + span {
  background: var(--card-bg);
  color: var(--primary);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.12);
}
.scan-mode-hint {
  min-width: 0;
  font-size: 12px;
  color: var(--gray-500);
}
.scan-pack-panel {
  align-items: flex-start;
}
.scan-pack-preview {
  margin: 0 0 10px;
  padding: 12px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--gray-50);
}
.scan-pack-preview-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.scan-pack-preview-desc {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 8px;
}
.scan-pack-warning {
  margin-bottom: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  background: #fef3c7;
  color: #92400e;
  font-size: 12px;
  font-weight: 600;
}
.scan-pack-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.scan-pack-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--card-bg);
  border: 1px solid var(--gray-200);
  color: var(--text-secondary);
  font-size: 12px;
}
.scan-pack-chip.warning {
  border-color: #f59e0b;
  color: #92400e;
  background: #fffbeb;
}
.scan-workspace {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
/* 手机照片提示横幅 */
.mobile-photo-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  margin-bottom: 10px;
  background: #fff8ec;
  border: 1px solid #f5c842;
  border-radius: var(--radius);
  font-size: 14px;
  color: #92400e;
}
.mobile-banner-icon { font-size: 18px; flex-shrink: 0; }
.mobile-banner-text { flex: 1; font-weight: 500; }
.mobile-banner-btn {
  flex-shrink: 0;
  padding: 5px 14px;
  background: #f59e0b;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.mobile-banner-btn:hover { background: #d97706; }
.mobile-banner-close {
  flex-shrink: 0;
  background: none;
  border: none;
  font-size: 18px;
  color: #b45309;
  cursor: pointer;
  line-height: 1;
  padding: 0 2px;
  opacity: 0.6;
  transition: opacity 0.2s;
}
.mobile-banner-close:hover { opacity: 1; }
body.dark-mode .mobile-photo-banner {
  background: #292107;
  border-color: #b45309;
  color: #fcd34d;
}
body.dark-mode .mobile-banner-close { color: #fcd34d; }

.scan-action-card {
  padding: 14px 18px;
}
.scan-action-header {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 12px;
  margin-bottom: 8px;
}
.scan-action-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.scan-action-desc {
  font-size: 13px;
  color: var(--text-secondary);
}
.scan-work-card {
  min-height: 0;
  padding: 16px;
}
.scan-empty {
  margin: 8px 0;
}
.upload-zone {
  border: 2px dashed rgba(245,158,11,0.3);
  border-radius: var(--radius);
  padding: 42px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  background: linear-gradient(135deg, #FFFBEB 0%, #FFF7ED 100%);
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--amber);
  box-shadow: 0 8px 32px rgba(245,158,11,0.12);
  transform: translateY(-1px);
}
.upload-zone .icon { font-size: 56px; margin-bottom: 14px; }
.upload-zone p { color: var(--text-secondary); font-size: 15px; }
.upload-zone input { display: none; }

.thumb-strip {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
  margin-bottom: 12px;
}
.thumb-item {
  position: relative;
  flex-shrink: 0;
  width: 64px; height: 64px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.thumb-item:hover { transform: scale(1.05); }
.thumb-item.active { border-color: var(--amber); }
.thumb-item.done { border-color: var(--success); opacity: 0.6; }
.thumb-item img { width: 100%; height: 100%; object-fit: cover; }
.thumb-item .thumb-badge {
  position: absolute;
  top: 2px; right: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}
.thumb-badge.done-badge { background: var(--success); }
.thumb-badge.idx-badge { background: var(--amber); }
.thumb-add {
  flex-shrink: 0;
  width: 64px; height: 64px;
  border-radius: var(--radius-sm);
  border: 2px dashed var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--gray-400);
  cursor: pointer;
  transition: border-color 0.2s;
}
.thumb-add:hover { border-color: var(--amber); color: var(--amber); }

.batch-progress {
  background: linear-gradient(135deg, #FFFBEB 0%, #FFF7ED 100%);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--gray-600);
}
.batch-progress strong { color: var(--amber); }
.batch-progress-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.batch-progress-bar-wrap {
  height: 8px;
  background: rgba(0,0,0,0.06);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 6px;
}
.batch-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), #F97316);
  border-radius: 4px;
  transition: width 0.4s ease;
}
.batch-progress-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--gray-500);
}

.preview-area {
  position: relative;
  text-align: center;
  margin-bottom: 16px;
}
.preview-area img {
  max-width: 100%;
  max-height: 400px;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

/* 识别结果 */
.result-section { margin-top: 20px; }
.result-student {
  background: linear-gradient(135deg, #FFFBEB 0%, #FFF7ED 100%);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.result-student span { font-size: 14px; color: var(--text-secondary); }
.result-student strong { color: var(--text); }
.result-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  gap: 10px;
}
.result-item:last-child { border-bottom: none; }
.result-num { font-weight: 600; color: var(--gray-400); min-width: 28px; font-size: 13px; }
.result-answer { flex: 1; font-size: 14px; }
.result-correct {
  color: var(--success); font-weight: 600; font-size: 12px;
  background: var(--success-light); padding: 2px 10px; border-radius: 20px;
}
.result-wrong {
  color: var(--danger); font-weight: 600; font-size: 12px;
  background: var(--danger-light); padding: 2px 10px; border-radius: 20px;
}
.result-ref { font-size: 12px; color: var(--gray-400); }
.result-uncertain {
  color: var(--warning); font-weight: 600; font-size: 12px;
  background: #FEF3C7; padding: 2px 10px; border-radius: 20px;
}
.uncertain-banner {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #92400e;
}
.score-summary {
  background: linear-gradient(135deg, #F59E0B, #F97316);
  color: white;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  margin-top: 16px;
  box-shadow: 0 8px 24px rgba(245,158,11,0.25);
}
.score-summary .score-num { font-size: 36px; font-weight: 700; }
.score-summary .score-label { font-size: 14px; opacity: 0.85; margin-top: 4px; }

/* 加载状态 */
.scanning { text-align: center; padding: 40px; }
.scanning .spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.scanning p { color: var(--text-secondary); font-size: 14px; }

/* 批量完成 - 情感化反馈 */
.batch-done-card {
  text-align: center;
  padding: 40px 24px;
}
.batch-done-card .done-icon { font-size: 56px; margin-bottom: 12px; }
.batch-done-card .done-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.batch-done-card .done-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 16px 0;
}
.batch-done-card .done-stat {
  text-align: center;
}
.batch-done-card .done-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--amber);
}
.batch-done-card .done-stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.batch-done-card .done-msg {
  font-size: 14px;
  color: var(--success);
  margin-bottom: 20px;
}

/* ==================== 成绩汇总页 ==================== */
.score-page-switch {
  justify-content: flex-start;
}
.score-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.score-more-wrap {
  position: relative;
}
.score-more-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 36px rgba(0,0,0,0.12);
  padding: 10px;
  z-index: 30;
}
.score-more-title {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 8px;
  padding: 0 4px;
}
.score-more-item {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  border-radius: 10px;
  padding: 9px 10px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.score-more-item:hover {
  background: var(--gray-50);
}
.score-more-item.active {
  background: var(--gray-100);
  color: var(--indigo);
  font-weight: 600;
}
.score-more-divider {
  height: 1px;
  background: var(--gray-100);
  margin: 8px 0;
}
.score-list-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--gray-500);
}
.score-list-meta-inline {
  margin-bottom: 0;
  justify-content: flex-end;
}
.score-link-btn {
  border: none;
  background: transparent;
  color: var(--indigo);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}
.score-link-btn:hover {
  color: #4F46E5;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);
  border: none;
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.stat-value { font-size: 24px; font-weight: 700; color: var(--indigo); }
.stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.record-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 8px;
  border-bottom: 1px solid var(--gray-100);
  border-radius: 8px;
  transition: background 0.15s;
}
.record-item:hover { background: var(--gray-50); }
.record-item:last-child { border-bottom: none; }
.record-info h3 { font-size: 15px; font-weight: 600; color: var(--text); }
.record-info p { font-size: 12px; color: var(--text-secondary); margin-top: 3px; }
.record-score {
  font-size: 20px;
  font-weight: 700;
  color: var(--indigo);
}
.empty-hint {
  text-align: center;
  padding: 40px;
  color: var(--gray-400);
  font-size: 14px;
}

/* 错题分析 */
.error-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}
.error-item:last-child { border-bottom: none; }
.error-label { min-width: 60px; font-size: 13px; font-weight: 600; color: var(--gray-600); }
.error-bar-bg {
  flex: 1; height: 22px;
  background: var(--gray-100);
  border-radius: 11px;
  overflow: hidden;
}
.error-bar {
  height: 100%;
  border-radius: 11px;
  transition: width 0.5s ease;
}
.error-bar.high { background: linear-gradient(90deg, #ef4444, #f97316); }
.error-bar.mid { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.error-bar.low { background: linear-gradient(90deg, #22c55e, #4ade80); }
.error-rate { min-width: 48px; text-align: right; font-size: 13px; font-weight: 600; }
.error-rate.high { color: var(--danger); }
.error-rate.mid { color: var(--warning); }
.error-rate.low { color: var(--success); }
.error-item { cursor: pointer; }
.error-item:hover { background: var(--gray-50, #f9fafb); }
.error-detail {
  padding: 8px 0 8px 70px;
  font-size: 12px;
  color: var(--gray-500, #6b7280);
  border-bottom: 1px solid var(--gray-100);
}
.error-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px dashed var(--gray-100);
}
.error-detail-row:last-child { border-bottom: none; }
.error-detail-wrong { color: var(--danger); }
.error-detail-right { color: var(--gray-400); font-size: 11px; }

/* ==================== 设置页 / 模式说明 ==================== */
.mode-summary-card {
  background: linear-gradient(135deg, #FFFBEB 0%, #FFF7ED 100%);
  border: 1px solid rgba(245,158,11,0.12);
  border-radius: 16px;
  padding: 18px;
}
.mode-summary-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}
.mode-summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.mode-summary-item {
  background: rgba(255,255,255,0.75);
  border-radius: 12px;
  padding: 12px 14px;
}
.mode-summary-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 4px;
}
.mode-summary-value {
  font-size: 13px;
  color: var(--text);
  line-height: 1.7;
}
.mode-summary-desc {
  font-size: 12px;
  color: var(--gray-600);
  line-height: 1.8;
}
.mode-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-right: 6px;
}
.mode-badge.cloud {
  background: #DBEAFE;
  color: #1D4ED8;
}
.mode-badge.local {
  background: #DCFCE7;
  color: #15803D;
}

  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}
.status-dot.ok { background: var(--success); }
.status-dot.err { background: var(--danger); }

/* 回收站 */
.trash-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
}
.trash-item:last-child { border-bottom: none; }
.trash-info { color: var(--gray-500); }
.trash-info span { color: var(--gray-800); font-weight: 500; }

/* ==================== 手动录入页 ==================== */
.manual-header {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.manual-header .form-group { flex: 1; margin-bottom: 0; }

/* 批量录入：学生列表，每人一行展开 */
.manual-student-card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
  margin-bottom: 8px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.manual-student-card:has(.manual-student-body.open) {
  box-shadow: 0 8px 32px rgba(244,63,94,0.1);
}
.manual-student-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  cursor: pointer;
  transition: background 0.15s;
}
.manual-student-header:hover { background: var(--gray-50); }
.manual-student-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.manual-student-score {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-400);
}
.manual-student-score.has-wrong { color: var(--danger); }
.manual-student-score.all-right { color: var(--success); }
.manual-student-body {
  display: none;
  padding: 0 18px 16px;
  border-top: 1px solid var(--gray-100);
  background: linear-gradient(180deg, #FFF1F2 0%, #FFFFFF 40%);
}
.manual-student-body.open { display: block; }
.manual-group-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--rose);
  margin: 10px 0 6px;
}
.manual-blanks-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.manual-blank-toggle {
  width: 44px; height: 40px;
  border: 1.5px solid var(--success);
  border-radius: 10px;
  background: var(--success);
  color: white;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.manual-blank-toggle:hover { transform: scale(1.08); }
.manual-blank-toggle.wrong {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}
.manual-blank-toggle .toggle-label {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 9px;
  color: var(--gray-400);
  font-weight: 400;
}
/* 选择题/判断题按钮 */
.manual-choice-btn {
  padding: 6px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  background: white;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  transition: all 0.15s;
}
.manual-choice-btn:hover { border-color: var(--gray-400); }
.manual-choice-btn.manual-choice-correct {
  background: var(--success);
  color: white;
  border-color: var(--success);
}
.manual-choice-btn.manual-choice-wrong {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}

.manual-save-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
  padding: 16px 20px;
  margin-top: 16px;
  position: sticky;
  bottom: 16px;
  border: 1px solid rgba(255,255,255,0.6);
}
.manual-save-bar .save-info {
  font-size: 15px;
  color: var(--text-secondary);
}
.manual-save-bar .save-info strong { color: var(--text); }

/* ==================== 题目构建器（v2 多题型） ==================== */
.q-card {
  background: var(--gray-50);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 10px;
  transition: border-color 0.2s;
}
.q-card:hover { border-color: var(--gray-300); }
.q-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.q-card-num { font-size: 14px; font-weight: 600; color: var(--gray-700); }
.q-card-type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: white;
}
.q-type-choice { background: var(--teal); }
.q-type-judge { background: var(--amber); }
.q-type-blank { background: var(--indigo); }
.q-type-material { background: #8B5CF6; }
.q-card-body { }
.q-field { margin-bottom: 10px; }
.q-field label { display: block; font-size: 12px; color: var(--gray-500); margin-bottom: 4px; }
.q-field-inline { display: flex; align-items: center; gap: 8px; }
.q-field-inline label { margin-bottom: 0; }
.q-score-input { width: 70px !important; }
.q-textarea { min-height: 60px; resize: vertical; font-family: inherit; font-size: 14px; }
.q-textarea-lg { min-height: 240px; }
.modal-content.paper-import-modal { max-width: 780px; }
.paper-import-mode-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.paper-import-main { min-height: 260px; }
.paper-import-answer { min-height: 110px; }
.paper-import-tip {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 8px;
}
.q-option-row { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.q-option-label { font-size: 13px; font-weight: 600; color: var(--gray-500); min-width: 20px; }
.q-choice-btns { display: flex; gap: 6px; }
.q-choice-btn {
  padding: 6px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: white;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  transition: all 0.15s;
}
.q-choice-btn:hover { border-color: var(--gray-400); }
.q-choice-btn.active {
  background: var(--teal);
  color: white;
  border-color: var(--teal);
}
.q-judge-btn.active { background: var(--amber); border-color: var(--amber); }
.q-blank-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.q-blank-label { font-size: 12px; color: var(--gray-500); min-width: 36px; }
.q-sub-questions { margin-top: 8px; }
.q-sub-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 8px;
}
.q-sub-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; font-size: 13px; font-weight: 600; color: #8B5CF6; }

/* 按钮图标 */
.btn-icon {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all 0.15s;
  line-height: 1;
}
.btn-icon:hover { color: var(--gray-700); background: var(--gray-100); }
.btn-icon:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-icon-danger:hover { color: var(--danger); background: var(--danger-light); }

/* 添加题目菜单 */
.add-q-menu {
  position: absolute;
  bottom: 100%;
  left: 0; right: 0;
  background: white;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  padding: 6px;
  z-index: 100;
  margin-bottom: 8px;
}
.add-q-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
  transition: background 0.15s;
}
.add-q-menu-item:hover { background: var(--gray-100); }
.add-q-menu-icon { width: 28px; height: 28px; border-radius: 6px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; font-size: 14px; }

/* 弹窗 */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-content {
  background: white;
  border-radius: var(--radius);
  padding: 28px;
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
@media (max-width: 640px) {
  .paper-page-switch { gap: 8px; }
  .paper-view-btn { flex: 1; }
  .paper-card-grid { grid-template-columns: 1fr; }
  .paper-list-header { flex-direction: column; align-items: stretch; }
  .paper-search-input { max-width: 100%; }
  .paper-item { flex-direction: column; align-items: stretch; gap: 10px; }
  .paper-actions { justify-content: flex-start; }
  .paper-import-source-row { flex-direction: column; }
  .paper-import-source-row .btn { width: 100%; }
  .paper-detail-footer { flex-wrap: wrap; }
  .paper-list-topbar { flex-direction: column; gap: 12px; align-items: stretch; }
  .paper-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .paper-choice-layout { grid-template-columns: 1fr; }
  .paper-choice-row { grid-template-columns: 1fr; }
  .paper-save-bar,
  .manual-save-bar.paper-save-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    bottom: 12px;
  }
  .paper-save-actions {
    width: 100%;
    flex-direction: column;
  }
  .paper-save-actions .btn {
    width: 100%;
  }
  .score-card-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .score-more-wrap {
    width: 100%;
  }
  .score-more-menu {
    left: 0;
    right: auto;
    width: 100%;
  }
  .score-list-meta,
  .score-list-meta-inline {
    align-items: flex-start;
    flex-direction: column;
  }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

/* ==================== 成绩汇总 Tab 样式 ==================== */
.score-tabs {
  display: flex;
  gap: 4px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 20px;
}
.score-tab {
  flex: 1;
  padding: 8px 16px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  transition: all 0.2s;
}
.score-tab:hover { color: var(--text); }
.score-tab.active {
  background: white;
  color: var(--indigo);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.score-tab-content { display: none; }
.score-tab-content.active { display: block; }

/* 学生分析 */
.student-card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
  padding: 16px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.student-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.student-card-header { display: flex; align-items: center; justify-content: space-between; }
.student-card-name { font-size: 16px; font-weight: 600; }
.student-card-avg { font-size: 20px; font-weight: 700; color: var(--indigo); }
.student-detail { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--gray-100); }

/* SVG 趋势图 */
.trend-chart { width: 100%; height: 120px; margin: 8px 0; }
.trend-chart line { stroke: var(--gray-200); stroke-width: 1; }
.trend-chart polyline { fill: none; stroke: var(--indigo); stroke-width: 2; }
.trend-chart circle { fill: var(--indigo); }
.trend-chart text { font-size: 10px; fill: var(--gray-500); }

/* ==================== 打印模式选择 ==================== */
.print-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.print-mode-card {
  background: var(--gray-50);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.print-mode-card:hover {
  border-color: var(--indigo);
  background: #EEF2FF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.print-mode-icon { height: 52px; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; }
.print-mode-name { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.print-mode-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.4; }

/* ==================== 消息提示 ==================== */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--text);
  color: white;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  z-index: 9999;
  transition: transform 0.3s ease;
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ==================== 使用说明弹窗 ==================== */
.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.guide-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.guide-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F59E0B, #F97316);
  color: white;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.guide-step-body { flex: 1; min-width: 0; }
.guide-step-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.guide-step-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==================== 成绩分析页（v2 重构） ==================== */
.score-report-container {
  padding: 24px 32px;
  max-width: none;
}
.score-report-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 16px;
  flex-wrap: wrap;
}
.score-report-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.score-report-stats {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.score-report-stats .stat-card {
  text-align: center;
  padding: 16px 8px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
}
.score-report-stats .stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--indigo);
}
.score-report-stats .stat-label {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
}
.official-score-summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: -4px 0 14px;
  padding: 10px 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: white;
  color: var(--gray-600);
  font-size: 13px;
}
.official-score-pill,
.official-score-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #ECFDF5;
  color: #047857;
  border: 1px solid #A7F3D0;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.official-score-pill {
  padding: 3px 9px;
}
.official-score-tag {
  margin-left: 6px;
  padding: 1px 6px;
}
.official-score-modal {
  max-width: 860px;
}
.official-score-form {
  padding: 16px;
}
.official-score-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.official-score-upload {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 4px 0 14px;
  padding: 12px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--gray-50);
}
.official-score-hint {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.6;
}
.official-score-preview {
  min-height: 120px;
}
.official-score-counts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}
.official-score-counts div {
  padding: 10px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: white;
  text-align: center;
}
.official-score-counts strong {
  display: block;
  color: var(--indigo);
  font-size: 20px;
}
.official-score-counts span {
  display: block;
  margin-top: 2px;
  color: var(--gray-500);
  font-size: 12px;
}
.official-score-table-wrap {
  max-height: 340px;
  overflow: auto;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}
.official-score-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}
.official-score-table th,
.official-score-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 13px;
  text-align: left;
  white-space: nowrap;
}
.official-score-table th {
  position: sticky;
  top: 0;
  background: var(--gray-50);
  font-weight: 600;
  color: var(--text);
}
.official-score-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
}
.official-score-ok {
  color: var(--success);
  font-weight: 600;
}
.official-score-danger {
  color: var(--danger);
  font-weight: 600;
}
.official-score-muted {
  color: var(--gray-400);
}
.score-report-body {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.score-report-sidebar {
  flex-shrink: 0;
  width: 130px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.score-mode-btn {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: white;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}
.score-mode-btn:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}
.score-mode-btn.active {
  background: var(--text);
  color: white;
  border-color: var(--text);
  font-weight: 600;
}
.score-report-content {
  flex: 1;
  min-width: 0;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
  padding: 20px;
}
.score-report-content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.score-report-content-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
/* 屏幕版排名表 */
.screen-ranking-table { width: 100%; border-collapse: collapse; }
.screen-ranking-table th { background: var(--gray-50); font-weight: 600; text-align: left; padding: 8px 12px; border-bottom: 2px solid var(--border); font-size: 13px; }
.screen-ranking-table td { padding: 8px 12px; border-bottom: 1px solid var(--gray-100); font-size: 13px; }
.screen-ranking-table tr:hover { background: var(--gray-50); }
.screen-ranking-table .rank-col { width: 50px; text-align: center; font-weight: 700; color: var(--indigo); }
.screen-ranking-table .name-link { color: var(--indigo); cursor: pointer; font-weight: 600; }
.screen-ranking-table .name-link:hover { text-decoration: underline; }
.screen-ranking-table .num-good { color: var(--success); font-weight: 600; }
.screen-ranking-table .num-bad { color: var(--danger); font-weight: 600; }
/* 屏幕版矩阵表 */
.screen-matrix-wrap { overflow-x: auto; }
.screen-matrix-table { border-collapse: collapse; min-width: 100%; }
.screen-matrix-table th, .screen-matrix-table td { border: 1px solid var(--gray-200); padding: 4px 6px; text-align: center; font-size: 12px; white-space: nowrap; }
.screen-matrix-table th { background: var(--gray-50); font-weight: 600; }
.screen-matrix-table .sec-header { background: var(--indigo); color: white; font-weight: 700; }
.screen-matrix-table .wrong-dot { color: var(--danger); font-weight: 700; }
.screen-matrix-table .stat-row td { background: var(--gray-50); font-weight: 600; }
/* 屏幕版错题讲评 */
.screen-review-summary { background: var(--gray-50); border-radius: var(--radius); padding: 14px 18px; margin-bottom: 16px; font-size: 13px; line-height: 1.8; }
.screen-review-section { margin-bottom: 16px; }
.screen-review-section-title { font-size: 14px; font-weight: 700; padding-bottom: 4px; border-bottom: 2px solid var(--indigo); display: inline-block; margin-bottom: 8px; }
.screen-review-level { margin: 6px 0 10px 12px; padding: 6px 0 6px 10px; }
.screen-review-level-must { border-left: 4px solid var(--text); }
.screen-review-level-quick { border-left: 3px solid var(--gray-400); }
.screen-review-level-individual { border-left: 2px solid var(--gray-200); }
.screen-review-level-label { font-size: 12px; font-weight: 700; margin-bottom: 4px; }
.screen-review-q { margin: 3px 0; font-size: 13px; line-height: 1.6; }
@media (max-width: 768px) {
  .score-report-container { padding: 16px; }
  .score-report-stats { grid-template-columns: repeat(3, 1fr); }
  .official-score-grid { grid-template-columns: 1fr; }
  .official-score-upload { flex-direction: column; align-items: stretch; }
  .official-score-counts { grid-template-columns: repeat(2, 1fr); }
  .score-report-body { flex-direction: column; }
  .score-report-sidebar { width: 100%; flex-direction: row; overflow-x: auto; }
  .score-mode-btn { width: auto; flex-shrink: 0; }
}

/* ==================== 暗色模式 ==================== */
body.dark-mode {
  --bg: #1a1a1a;
  --text: #e5e5e5;
  --text-secondary: #a3a3a3;
  --border: #333;
  --card-bg: #262626;
  --primary: #F59E0B;
  --primary-hover: #FBBF24;
  --primary-light: #3d2e0a;
  --gray-50: #1f1f1f;
  --gray-100: #2a2a2a;
  --gray-200: #333;
  --gray-300: #444;
  --gray-400: #777;
  --gray-500: #999;
  --gray-600: #bbb;
  --gray-700: #ddd;
  --gray-800: #f0f0f0;
  --shadow: 0 1px 3px rgba(0,0,0,0.2), 0 4px 16px rgba(0,0,0,0.15);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.3);
}
body.dark-mode .landing-page {
  background-color: #1a1a1a;
}
body.dark-mode .lfc-orange { background: linear-gradient(145deg, #2a1f18 0%, #241c15 100%); border-color: rgba(245,130,74,0.25); }
body.dark-mode .lfc-teal   { background: linear-gradient(145deg, #152120 0%, #111c1b 100%); border-color: rgba(75,188,172,0.25); }
body.dark-mode .lfc-pink   { background: linear-gradient(145deg, #251520 0%, #1e1219 100%); border-color: rgba(232,83,138,0.25); }
body.dark-mode .lfc-purple { background: linear-gradient(145deg, #1e1630 0%, #181225 100%); border-color: rgba(156,110,245,0.25); }
body.dark-mode .landing-feature-card h3 { color: #F3F4F6; }
body.dark-mode .wb-sidebar {
  background: linear-gradient(180deg, #1f1f1f 0%, #1a1a1a 100%);
  border-right-color: rgba(255,255,255,0.06);
}
body.dark-mode .wb-topbar {
  background: rgba(26,26,26,0.8);
  border-bottom-color: rgba(255,255,255,0.06);
}
body.dark-mode .wb-sidebar-user { border-top: none; }
body.dark-mode .wb-user-menu { background: #2a2a2a; box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
body.dark-mode .wb-sidebar-toggle { background: #2a2a2a; border-color: #444; }
body.dark-mode .wb-sidebar-toggle:hover { background: #333; }
body.dark-mode .modal-content { background: #262626; }
body.dark-mode .mode-summary-card {
  background: linear-gradient(135deg, #2a2210 0%, #1f1d18 100%);
  border-color: rgba(245,158,11,0.18);
}
body.dark-mode .mode-summary-item {
  background: rgba(255,255,255,0.04);
}
body.dark-mode .mode-summary-title,
body.dark-mode .mode-summary-value { color: #f5f5f4; }
body.dark-mode .mode-summary-label,
body.dark-mode .mode-summary-desc { color: #d6d3d1; }
body.dark-mode .mode-badge.cloud {
  background: rgba(59,130,246,0.18);
  color: #93c5fd;
}
body.dark-mode .mode-badge.local {
  background: rgba(34,197,94,0.16);
  color: #86efac;
}
body.dark-mode .upload-zone { background: linear-gradient(135deg, #2a2210 0%, #1f1d18 100%); border-color: rgba(245,158,11,0.2); }
body.dark-mode .result-student { background: linear-gradient(135deg, #2a2210 0%, #1f1d18 100%); }
body.dark-mode .batch-progress { background: linear-gradient(135deg, #2a2210 0%, #1f1d18 100%); }
body.dark-mode .login-hint { background: linear-gradient(135deg, #2a2210, #1f1d18); }
body.dark-mode .stat-card { background: linear-gradient(135deg, #1e1b4b 0%, #1e1040 100%); }
body.dark-mode .q-card { background: #1f1f1f; border-color: #444; }
body.dark-mode .q-sub-card { background: #262626; border-color: #444; }
body.dark-mode .score-tab.active { background: #333; }
body.dark-mode .btn-outline { background: #262626; border-color: #444; color: var(--text-secondary); }
body.dark-mode .btn-outline:hover { background: #333; border-color: #555; }
body.dark-mode .btn-primary { background: #e5e5e5; color: #1a1a1a; }
body.dark-mode .btn-primary:hover { background: #d4d4d4; }
body.dark-mode .form-input, body.dark-mode .form-select { background: #1f1f1f; border-color: #444; color: var(--text); }
body.dark-mode .btn-add-question { background: #1f1f1f; border-color: #444; }
body.dark-mode .student-card { background: #262626; }
body.dark-mode .print-mode-card { background: #1f1f1f; }
body.dark-mode .print-mode-card:hover { background: #1e1b4b; }
body.dark-mode .manual-student-card { background: #262626; }
body.dark-mode .manual-student-body { background: linear-gradient(180deg, #2a1215 0%, #262626 40%); }
body.dark-mode .dash-action-icon.amber-bg { background: linear-gradient(135deg, #2a2210, #3d2e0a); }
body.dark-mode .dash-action-icon.teal-bg { background: linear-gradient(135deg, #0a2a25, #0d3d35); }
body.dark-mode .dash-action-icon.indigo-bg { background: linear-gradient(135deg, #1e1b4b, #1e1040); }
body.dark-mode .dash-action-icon.rose-bg { background: linear-gradient(135deg, #2a1015, #3d0a10); }
body.dark-mode .choice-option label { border-color: #444; background: #1f1f1f; }
body.dark-mode .wb-nav-item.active { background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(251,191,36,0.15)); }
body.dark-mode .wb-help-btn {
  background: transparent;
  border: none;
  color: var(--text);
}
body.dark-mode .wb-help-btn-text {
  color: var(--text);
}
body.dark-mode .wb-help-btn:hover {
  background: rgba(245,158,11,0.08);
  color: var(--text);
}
body.dark-mode .settings-summary-card,
body.dark-mode .student-class-list,
body.dark-mode .student-preview-item,
body.dark-mode .auth-user-item {
  background: #1f1f1f;
  border-color: #444;
}
body.dark-mode .student-class-item:hover {
  background: #2a2a2a;
}
body.dark-mode .student-class-item.active {
  background: #3d2e0a;
}
body.dark-mode .auth-user-avatar,
body.dark-mode .login-user-chip,
body.dark-mode .login-user-chip-avatar {
  background: #262626;
}
body.dark-mode .login-screen {
  background: linear-gradient(180deg, #2a2210 0%, #1f1d18 40%, #1a1a1a 100%);
}
body.dark-mode .login-brand-card {
  background: rgba(31,31,31,0.7);
  border-color: rgba(255,255,255,0.06);
}
body.dark-mode .login-brand-point,
body.dark-mode .login-user-chip.active {
  background: #2a2210;
  border-color: rgba(245,158,11,0.18);
}
body.dark-mode .login-error {
  background: rgba(239,68,68,0.16);
  color: #fca5a5;
}

/* ==================== 扫描结果三栏布局 ==================== */
.scan-three-col {
  display: grid;
  grid-template-columns: 220px minmax(520px, 1.45fr) minmax(360px, 0.95fr);
  gap: 16px;
  height: calc(100vh - 220px);
  min-height: 620px;
}
/* 左栏：学生列表 */
.scan-col-left {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.scan-col-title,
.scan-col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--gray-100);
}
.scan-col-title strong,
.scan-col-head strong {
  font-size: 14px;
  color: var(--text);
}
.scan-col-title span,
.scan-col-head span {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--gray-500);
}
/* 顶部统计横条 */
.scan-stats-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  margin-bottom: 12px;
  font-size: 13px;
  flex-wrap: wrap;
}
.scan-stats-bar .stat-item {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.scan-stats-bar .stat-item .stat-label { color: var(--text-secondary); }
.scan-stats-bar .stat-item .stat-val { font-weight: 700; }
.scan-stats-bar .stat-val.success { color: var(--success); }
.scan-stats-bar .stat-val.danger { color: var(--danger); }
.scan-stats-bar .stat-val.warning { color: var(--warning); }
.scan-stats-bar .stat-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--success);
  margin-right: 4px;
}
.scan-stats-bar .stat-divider {
  width: 1px;
  height: 16px;
  background: var(--gray-200);
}
.scan-stats-bar .stat-missing {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
}
.scan-stats-bar .stat-missing-detail {
  display: none;
  font-size: 12px;
  padding: 4px 0;
  color: #92400e;
}
.scan-student-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  min-height: 0;
}
.scan-student-item {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 10px 12px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.15s;
  font-size: 14px;
  border-bottom: 1px solid var(--gray-100);
  min-width: 0;
}
.scan-student-item:last-child { border-bottom: none; }
.scan-student-item:hover { background: var(--gray-50); }
.scan-student-item.active {
  background: var(--primary-light);
  border-left-color: var(--primary);
}
.scan-student-item.has-warn {
  background: #FFFBEB;
}
.scan-student-item .stu-main,
.scan-student-item .stu-sub {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}
.scan-student-item .stu-name {
  font-weight: 600;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.scan-student-item .stu-score { font-weight: 600; color: var(--indigo); font-size: 13px; }
.scan-student-item .stu-status,
.scan-student-item .stu-issue-dot {
  flex-shrink: 0;
  border-radius: 999px;
  padding: 1px 7px;
  font-size: 11px;
  line-height: 18px;
}
.scan-student-item .stu-status.ok,
.scan-student-item .stu-status.reviewed {
  color: #047857;
  background: #D1FAE5;
}
.scan-student-item .stu-status.warn,
.scan-student-item .stu-issue-dot {
  color: #92400E;
  background: #FEF3C7;
}
.scan-student-item .stu-warn { color: var(--warning); font-size: 12px; }
.scan-student-item .stu-fail { color: var(--danger); font-size: 12px; }
.scan-region-question-item {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 10px 12px;
  cursor: pointer;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--gray-100);
  transition: all 0.15s;
  font-size: 14px;
}
.scan-region-question-item .stu-main,
.scan-region-question-item .stu-sub {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
}
.scan-region-question-item .stu-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}
.scan-region-question-item .stu-score {
  flex-shrink: 0;
  color: var(--indigo);
  font-size: 12px;
  font-weight: 700;
}
.scan-region-question-item:hover { background: var(--gray-50); }
.scan-region-question-item.active {
  background: var(--primary-light);
  border-left-color: var(--primary);
}
.scan-col-actions {
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
/* 中栏：照片 */
.scan-col-photo {
  position: relative;
  overflow-y: auto;
  min-height: 0;
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.scan-col-photo .photo-label {
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}
.photo-rotate-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--gray-100);
}
.photo-rotate-bar .btn {
  width: 32px;
  height: 30px;
  padding: 0;
  font-size: 15px;
}
.photo-zoom-val {
  min-width: 46px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
}
.photo-side-tabs {
  display: inline-flex;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
}
.photo-side-tabs button {
  border: none;
  background: white;
  color: var(--gray-500);
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
}
.photo-side-tabs button.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.photo-rotate-wrapper {
  overflow: auto;
  border-radius: 0;
  box-shadow: none;
  background: var(--gray-100);
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  min-height: 0;
  height: calc(100% - 112px);
}
.photo-rotate-wrapper.scan-photo-stack {
  align-items: flex-start;
  justify-content: flex-start;
  flex-direction: column;
  gap: 0;
  padding: 14px;
}
.scan-photo-page {
  width: 100%;
  flex-shrink: 0;
  display: none;
}
.scan-photo-page.active { display: block; }
.scan-photo-page .photo-label {
  margin: 6px 0 0;
}
.scan-photo-canvas {
  position: relative;
  display: inline-block;
  width: calc(100% * var(--photo-zoom, 1.35));
  margin: var(--photo-margin-y, 0) var(--photo-margin-x, 0);
  transform: rotate(var(--photo-rotation, 0deg));
  transform-origin: center center;
  transition: transform 0.2s ease;
  background: white;
}
.scan-photo-img {
  width: 100%;
  max-width: none;
  max-height: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}
.scan-photo-stack .scan-photo-img {
  margin: 0;
  max-height: none;
}
.scan-photo-score-box {
  position: absolute;
  pointer-events: none;
}
.scan-photo-choice-mark {
  position: absolute;
  pointer-events: none;
  z-index: 4;
}
.scan-photo-choice-mark span {
  position: absolute;
  left: 5%;
  top: 50%;
  width: 90%;
  border-top: 3px solid #DC2626;
  border-radius: 999px;
  box-shadow: 0 0 0.6px rgba(220,38,38,0.8);
  transform: translateY(-50%) rotate(24deg);
  transform-origin: center center;
}
.scan-photo-score-box .scan-region-score-badge {
  top: auto;
  right: auto;
  bottom: auto;
  left: auto;
  transform: rotate(calc(var(--photo-rotation, 0deg) * -1));
  transform-origin: center center;
}
.scan-photo-score-box .scan-region-score-badge.corner-tr {
  top: 0;
  right: 0;
}
.scan-photo-score-box .scan-region-score-badge.corner-tl {
  top: 0;
  left: 0;
}
.scan-photo-score-box .scan-region-score-badge.corner-bl {
  bottom: 0;
  left: 0;
}
.scan-photo-score-box .scan-region-score-badge.corner-br {
  right: 0;
  bottom: 0;
}
.photo-view-hint {
  padding: 8px 12px;
  color: var(--gray-400);
  font-size: 12px;
  text-align: center;
}
/* 右栏：答题详情 */
.scan-col-detail {
  min-width: 0;
  overflow-y: auto;
  min-height: 0;
}
.scan-col-detail .detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding: 12px 16px;
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 4;
}
.scan-col-detail .detail-header strong { font-size: 15px; }
.scan-col-detail .detail-header span {
  display: block;
  margin-top: 2px;
  color: var(--gray-500);
  font-size: 12px;
}
.detail-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.detail-score-pill {
  border-radius: 999px;
  padding: 5px 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.detail-warning-box {
  margin-bottom: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #FFFBEB;
  color: #92400E;
  font-size: 12px;
  line-height: 1.55;
}
.detail-warning-box summary {
  cursor: pointer;
  font-weight: 700;
}
.detail-warning-box div {
  margin-top: 5px;
  word-break: break-word;
}
.detail-question-nav {
  position: sticky;
  top: 65px;
  z-index: 3;
  display: flex;
  gap: 5px;
  overflow-x: auto;
  padding: 8px;
  margin-bottom: 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.96);
  box-shadow: var(--shadow);
}
.detail-question-nav button {
  flex: 0 0 auto;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  background: white;
  color: var(--gray-600);
  padding: 4px 9px;
  font-size: 12px;
  cursor: pointer;
}
.detail-question-nav button.warn {
  border-color: #FCD34D;
  background: #FEF3C7;
  color: #92400E;
}
.detail-question-nav button.wrong {
  border-color: #FECACA;
  background: #FEE2E2;
  color: #B91C1C;
  font-weight: 700;
}
.scan-empty-panel {
  color: var(--gray-400);
  text-align: center;
  padding: 40px 16px;
  background: var(--card-bg);
  border-radius: var(--radius-sm);
}
/* 答题详情项：两行布局，防止竖排 */
.scan-detail-item {
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 4px;
  background: var(--card-bg);
}
.scan-detail-item.yellow-bg { background: #fef3c7; }
.scan-detail-row1 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.scan-detail-row1 .detail-label {
  color: var(--gray-400);
  min-width: 60px;
  flex-shrink: 0;
}
.scan-detail-row1 .detail-answer {
  flex: 1;
  min-width: 0;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1.5px solid var(--gray-300);
  padding-bottom: 1px;
}
.scan-detail-row1 .detail-ref {
  color: var(--gray-400);
  font-size: 12px;
  flex-shrink: 0;
  white-space: normal;
  word-break: break-all;
}
.scan-detail-row1 .detail-ref::before {
  content: '答:';
  font-weight: 600;
  margin-right: 2px;
}
.scan-detail-row2 {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 4px;
}
/* 材料题详情 */
.scan-detail-material {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 4px;
  font-size: 14px;
  background: var(--gray-50);
}
.scan-region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
  padding: 12px;
}
.scan-region-card {
  position: relative;
  padding: 8px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--card-bg);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.scan-region-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
.scan-region-card.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(245,158,11,0.14);
}
.scan-region-thumb {
  position: relative;
  height: 145px;
  border-radius: 6px;
  background: var(--gray-100);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 12px;
}
.scan-region-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: white;
}
.scan-region-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  font-size: 12px;
}
.scan-region-meta strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}
.scan-region-meta span {
  flex-shrink: 0;
  color: var(--gray-500);
}
.scan-region-score-badge {
  position: absolute;
  top: 7px;
  right: 7px;
  z-index: 2;
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  padding: 1px 3px;
  border-radius: 0;
  background: transparent;
  color: #DC2626;
  box-shadow: none;
  font-family: "Marker Felt", "Comic Sans MS", "Kaiti SC", "STKaiti", cursive, sans-serif;
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 0 0.35px rgba(220,38,38,0.65);
  white-space: nowrap;
}
.scan-region-score-badge small {
  font-size: 10px;
  font-weight: 700;
  opacity: 0.88;
}
.scan-region-score-badge.zero {
  background: transparent;
  color: #DC2626;
  box-shadow: none;
}
.scan-region-score-badge.pending {
  background: transparent;
  color: #D97706;
  box-shadow: none;
}
.scan-score-pill-red {
  background: transparent;
  color: #DC2626;
  box-shadow: none;
  font-weight: 800;
}
.scan-region-zoom-backdrop {
  position: absolute;
  inset: 46px 0 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(17,24,39,0.72);
}
.scan-region-zoom-card {
  position: relative;
  width: min(92%, 920px);
  max-height: 92%;
  border-radius: 8px;
  background: var(--card-bg);
  box-shadow: 0 22px 60px rgba(0,0,0,0.28);
  overflow: hidden;
}
.scan-region-zoom-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 44px 10px 14px;
  border-bottom: 1px solid var(--gray-100);
}
.scan-region-zoom-title strong {
  color: var(--text);
  font-size: 15px;
}
.scan-region-zoom-title span {
  color: var(--gray-500);
  font-size: 12px;
}
.scan-region-zoom-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 20px;
  line-height: 26px;
  cursor: pointer;
}
.scan-region-zoom-image {
  position: relative;
  max-height: 72vh;
  overflow: auto;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}
.scan-region-zoom-image img {
  display: block;
  max-width: 100%;
  max-height: none;
  height: auto;
  background: white;
}
.scan-region-detail-card {
  margin-bottom: 10px;
  padding: 12px;
  border-radius: 8px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
}
.scan-region-detail-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 12px;
}
.scan-region-detail-row:last-child { border-bottom: none; }
.scan-region-detail-row span { color: var(--gray-500); }
.scan-region-detail-row strong {
  color: var(--text);
  text-align: right;
  word-break: break-word;
}
.scan-region-detail-title {
  margin-bottom: 8px;
  color: var(--gray-500);
  font-size: 12px;
  font-weight: 700;
}
.scan-region-recognition {
  color: var(--text);
  font-size: 13px;
  line-height: 1.7;
  white-space: normal;
  word-break: break-word;
}
.scan-region-warning {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  background: #FEF3C7;
  color: #92400E;
  font-size: 12px;
}
.scan-region-detail-image-wrap {
  position: relative;
}
.scan-region-detail-img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  background: white;
  border-radius: 6px;
}
/* 分数调整器 - | + */
.score-adjuster {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  overflow: hidden;
  background: white;
}
.score-adj-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--gray-50);
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-600);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.score-adj-btn:hover { background: var(--gray-200); }
.score-adj-btn:active { background: var(--gray-300); }
.score-adj-val {
  min-width: 36px;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--indigo);
  padding: 0 4px;
  border-left: 1.5px solid var(--gray-300);
  border-right: 1.5px solid var(--gray-300);
  line-height: 32px;
}
/* 未提交名单 */
.scan-missing-list {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 8px;
  margin-top: 8px;
}
/* 指定学生弹窗 */
.assign-student-list {
  max-height: 300px;
  overflow-y: auto;
}
.assign-student-item {
  padding: 10px 14px;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s;
  font-size: 14px;
}
.assign-student-item:hover { background: var(--gray-100); }

/* 响应式：三栏 → 两栏 → 单栏 */
@media (max-width: 1024px) {
  .scan-three-col {
    grid-template-columns: 200px 1fr;
  }
  .scan-col-detail {
    grid-column: 1 / -1;
    max-height: 50vh;
  }
}
@media (max-width: 768px) {
  .scan-setup-row {
    flex-direction: column;
    gap: 10px;
  }
  .scan-mode-panel {
    align-items: flex-start;
    flex-direction: column;
  }
  .scan-mode-options {
    width: 100%;
  }
  .scan-mode-option {
    flex: 1;
  }
  .scan-mode-option span {
    justify-content: center;
    width: 100%;
  }
  .scan-pack-groups {
    flex-direction: column;
  }
  .scan-pack-chip {
    width: 100%;
    justify-content: center;
  }
  .scan-action-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .scan-three-col {
    grid-template-columns: 1fr;
    height: auto;
  }
  .scan-col-left {
    max-height: 300px;
  }
  .scan-col-photo {
    max-height: 400px;
  }
  .scan-col-detail {
    max-height: 50vh;
  }
}

/* 细滚动条 */
.scan-col-photo::-webkit-scrollbar,
.scan-col-detail::-webkit-scrollbar { width: 4px; }
.scan-col-photo::-webkit-scrollbar-thumb,
.scan-col-detail::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 2px; }

/* 暗色模式 */
body.dark-mode .scan-setup-hint,
body.dark-mode .scan-mode-hint,
body.dark-mode .scan-action-desc {
  color: var(--gray-300);
}
body.dark-mode .scan-mode-options {
  background: #1f1f1f;
  border-color: var(--gray-600);
}
body.dark-mode .scan-mode-option input:checked + span {
  background: var(--card-bg);
}
body.dark-mode .scan-pack-preview,
body.dark-mode .scan-pack-chip {
  background: var(--card-bg);
  border-color: var(--gray-600);
}
body.dark-mode .scan-empty {
  background: #1f1f1f;
  border-radius: var(--radius-sm);
}
body.dark-mode .scan-stats-bar { background: var(--card-bg); }
body.dark-mode .scan-stats-bar .stat-divider { background: var(--gray-600); }
body.dark-mode .scan-student-list { background: var(--card-bg); }
body.dark-mode .scan-student-item:hover { background: #333; }
body.dark-mode .scan-student-item.active { background: #3d2e0a; border-left-color: var(--primary); }
body.dark-mode .scan-region-question-item:hover { background: #333; }
body.dark-mode .scan-region-question-item.active { background: #3d2e0a; border-left-color: var(--primary); }
body.dark-mode .scan-detail-item { background: var(--card-bg); }
body.dark-mode .scan-detail-item.yellow-bg { background: #3d2e0a; }
body.dark-mode .scan-detail-material { background: #1f1f1f; }
body.dark-mode .scan-region-card,
body.dark-mode .scan-region-detail-card { background: var(--card-bg); border-color: var(--gray-600); }
body.dark-mode .scan-region-thumb { background: #1f1f1f; }
body.dark-mode .scan-region-focus { border-bottom-color: var(--gray-600); }
body.dark-mode .scan-region-focus-image { background: #1f1f1f; }
body.dark-mode .photo-rotate-wrapper { background: #1f1f1f; }
body.dark-mode .scan-col-detail .detail-header { background: var(--card-bg); }

/* ==================== 错题订正 chips ==================== */
.target-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  transition: all 0.15s;
}
.target-chip:hover {
  border-color: var(--primary);
  box-shadow: 0 1px 4px rgba(99, 102, 241, 0.15);
}
.target-chip-name {
  font-weight: 600;
  color: var(--text);
}
.target-chip-count {
  font-size: 12px;
  color: var(--danger);
  background: var(--danger-light);
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 600;
}
.target-chip-remove {
  cursor: pointer;
  color: var(--gray-400);
  font-size: 16px;
  line-height: 1;
  padding: 0 2px;
  border-radius: 50%;
  transition: all 0.15s;
}
.target-chip-remove:hover {
  color: var(--danger);
  background: var(--danger-light);
}

/* ==================== 继续上次的工作 ==================== */
.continue-card {
  background: linear-gradient(135deg, #FFFBEB 0%, #FFF7ED 100%);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  transition: all 0.25s;
}
.continue-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,158,11,0.12);
}
.continue-card-info {
  flex: 1;
  min-width: 0;
}
.continue-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.continue-card-meta {
  font-size: 13px;
  color: var(--text-secondary);
}
.continue-card-btn {
  padding: 8px 18px;
  background: var(--text);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.continue-card-btn:hover {
  background: var(--gray-700);
}
.continue-card-dismiss {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: 18px;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color 0.15s;
  line-height: 1;
}
.continue-card-dismiss:hover {
  color: var(--gray-600);
}
body.dark-mode .continue-card {
  background: linear-gradient(135deg, #2a2210 0%, #1f1d18 100%);
  border-color: rgba(245,158,11,0.2);
}
body.dark-mode .continue-card-btn {
  background: #e5e5e5;
  color: #1a1a1a;
}

/* ==================== 空状态引导 ==================== */
.empty-action-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  margin-top: 8px;
  display: inline-block;
}
.empty-action-link:hover { text-decoration: underline; }

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
  /* 落地页 */
  .landing-hero h1 { font-size: 32px; }
  .landing-hero { padding: 40px 20px 32px; }
  .landing-subtitle { font-size: 17px; }
  .landing-stat-num { font-size: 24px; }
  .landing-stat { padding: 0 24px; }
  .landing-features { grid-template-columns: repeat(2, 1fr); }
  .landing-buttons { flex-direction: column; gap: 12px; }
  .landing-btn-primary, .landing-btn-outline { width: 100%; justify-content: center; }

  /* 工作台 */
  .workbench {
    grid-template-columns: 1fr;
  }
  .wb-sidebar {
    position: fixed;
    left: -260px;
    top: 0;
    width: 260px !important;
    min-width: 260px !important;
    z-index: 100;
    transition: left 0.3s ease;
    box-shadow: none;
    background: #FBF6E7;
  }
  .wb-sidebar.open {
    left: 0;
    box-shadow: 4px 0 24px rgba(0,0,0,0.12);
  }
  .wb-sidebar-overlay.open {
    display: block;
  }
  .wb-main {
    grid-column: 1;
  }
  .wb-menu-btn {
    display: block;
  }
  /* 手机端隐藏收起按钮 */
  .wb-sidebar-toggle { display: none !important; }
  /* 手机端侧边栏不受 collapsed 影响 */
  .wb-sidebar.collapsed { width: 260px !important; min-width: 260px !important; }
  .wb-sidebar.collapsed .wb-sidebar-logo-text { display: inline; }
  .wb-sidebar.collapsed .wb-nav-label { display: inline; }
  .wb-sidebar.collapsed .wb-sidebar-recent { display: block; }
  .wb-sidebar.collapsed .wb-sidebar-user-info { display: flex; }
  .wb-sidebar.collapsed .wb-sidebar-logo { justify-content: flex-start; padding: 20px 20px 16px; }
  .wb-sidebar.collapsed .wb-nav-item { justify-content: flex-start; padding: 13px 12px; }

  .settings-shell {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .settings-sidebar {
    position: static;
  }
  .student-manage-layout {
    grid-template-columns: 1fr;
  }
  .settings-summary-grid {
    grid-template-columns: 1fr;
  }
  .student-preview-head {
    flex-direction: column;
    align-items: stretch;
  }
  .student-search-input {
    max-width: none;
  }
  .login-screen {
    padding: 18px;
  }
  .login-screen-inner {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .login-brand-card,
  .login-panel {
    padding: 24px;
  }
  .wb-sidebar.collapsed .wb-sidebar-user { justify-content: flex-start; padding: 10px 12px; }
  .wb-sidebar.collapsed .wb-sidebar-footer { align-items: stretch; }
  .wb-sidebar.collapsed .wb-help-btn {
    display: flex;
    width: 100%;
    padding: 13px 12px;
    border-radius: var(--radius-sm);
    justify-content: flex-start;
  }
  .wb-sidebar.collapsed .wb-help-btn-text { display: inline; }

  /* 暗色模式+手机端侧边栏 */
  body.dark-mode .wb-sidebar { background: linear-gradient(180deg, #1f1f1f 0%, #1a1a1a 100%); }
}

/* ===== 试卷文档下拉菜单 ===== */
.paper-doc-dropdown { position: relative; display: inline-block; }
.paper-doc-menu {
  display: none; position: absolute; right: 0; top: 100%; margin-top: 4px;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: var(--shadow-hover); z-index: 100; min-width: 160px; overflow: hidden;
}
.paper-doc-item {
  padding: 10px 16px; font-size: 13px; cursor: pointer; white-space: nowrap;
  transition: background 0.15s;
}
.paper-doc-item:hover { background: var(--gray-100); }
.paper-doc-group-label {
  padding: 6px 16px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-top: 1px solid var(--gray-100);
}
.paper-doc-group-label:first-child {
  border-top: none;
}

/* ===== 错题订正新结构 ===== */
.target-home-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.target-home-search {
  width: 280px;
  margin: 0 !important;
}
.target-home-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.target-home-section + .target-home-section {
  margin-top: 18px;
}
.target-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.target-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.target-section-tip {
  font-size: 12px;
  color: var(--text-secondary);
}
.target-empty-block {
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}
.target-inline-link {
  font-size: 12px;
  color: var(--primary);
  cursor: pointer;
}
.target-class-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px 16px;
}
.target-class-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  padding: 18px 18px 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  cursor: pointer;
  transition: all 0.2s;
}
.target-class-card:hover {
  border-color: var(--gray-300);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.target-class-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.target-class-card-name {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--text);
}
.target-class-card-rate {
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--danger);
}
.target-class-card-meta {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 12px;
  line-height: 1.8;
}
.target-class-card-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.target-class-card-item {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--gray-50);
  border-radius: 8px;
  padding: 8px 10px;
  line-height: 1.6;
}
.target-class-card-item strong {
  color: var(--text);
}
.target-home-list,
.target-student-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.target-student-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  border: 1px solid var(--gray-100);
  background: #fff;
  transition: all 0.15s;
}
.target-student-item:hover {
  background: var(--gray-50);
  border-color: var(--gray-200);
}
.target-student-item.active {
  background: var(--primary-light);
  border-color: rgba(99,102,241,0.18);
}
.target-student-main {
  flex: 1;
  min-width: 0;
}
.target-student-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
  min-width: 0;
}
.target-student-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.target-student-class {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.target-student-meta {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.target-student-err {
  font-size: 11px;
  background: var(--danger-light);
  color: var(--danger);
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 600;
  white-space: nowrap;
}
.target-student-remove {
  font-size: 14px;
  color: var(--gray-400);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.target-student-item:hover .target-student-remove {
  opacity: 1;
}
.target-detail-shell {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.target-detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.target-detail-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
}
.target-detail-meta {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.target-detail-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}
.target-class-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.target-summary-card {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 16px;
}
.target-summary-value {
  font-size: 24px;
  line-height: 1;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.target-summary-label {
  font-size: 12px;
  color: var(--text-secondary);
}
.target-level-group {
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
}
.target-level-title {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  border-bottom: 1px solid var(--gray-100);
}
.target-level-title.must { background: #FEF2F2; color: #B91C1C; }
.target-level-title.quick { background: #FFFBEB; color: #B45309; }
.target-level-title.individual { background: #F9FAFB; color: #6B7280; }
.target-level-body {
  padding: 14px;
  display: grid;
  gap: 12px;
}
.target-class-item {
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 14px;
  background: var(--gray-50);
}
.target-class-item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.target-class-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.6;
}
.target-class-item-rate {
  flex-shrink: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--danger);
}
.target-class-item-meta {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 6px;
}
.target-class-item-body {
  font-size: 13px;
  color: var(--text);
  line-height: 1.8;
}
.target-class-item-foot {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.target-class-item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.target-class-item-actions .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.target-variant-alert {
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid #FCD34D;
  border-radius: 8px;
  background: #FFFBEB;
  color: #92400E;
  font-size: 13px;
}
.target-variant-preview {
  margin-top: 12px;
  border-top: 1px solid var(--gray-100);
  padding-top: 10px;
}
.target-variant-preview-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-hover);
  margin-bottom: 3px;
}
.target-variant-preview-reason {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.target-variant-preview-group {
  border: 1px solid #DBEAFE;
  border-radius: 8px;
  background: #F8FBFF;
  padding: 8px 10px;
  margin-top: 8px;
}
.target-variant-preview-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.target-variant-preview-head span {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
}
.target-variant-preview-item {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.target-variant-modal {
  max-width: 760px;
  width: 88vw;
}
.target-variant-modal-subtitle {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}
.target-variant-layout {
  display: block;
}
.target-variant-source-card {
  border: 1px solid var(--gray-100);
  border-radius: 8px;
  background: var(--gray-50);
  padding: 14px;
  align-self: start;
}
.target-variant-source-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.target-variant-source-meta,
.target-variant-source-answer {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.target-variant-source-stem {
  margin: 10px 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text);
  overflow-wrap: anywhere;
}
.target-variant-form {
  min-width: 0;
}
.target-variant-input-actions,
.target-variant-editor-head,
.target-variant-item-actions,
.target-variant-modal-footer,
.target-variant-list-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.target-variant-input-actions {
  justify-content: flex-end;
  margin-top: 8px;
  margin-bottom: 0;
}
.target-variant-raw-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.target-variant-raw-summary {
  font-size: 12px;
  color: var(--text-secondary);
}
.target-variant-raw-block.is-collapsed {
  border: 1px solid var(--gray-100);
  border-radius: 8px;
  background: var(--gray-50);
  padding: 10px 12px;
}
.target-variant-raw-block.is-collapsed .form-label {
  margin-bottom: 0;
}
.target-variant-editor-head {
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.target-variant-raw-input {
  min-height: 118px;
  resize: vertical;
}
.target-variant-structured-area {
  margin-top: 12px;
}
.target-variant-item-editor {
  border: 1px solid var(--gray-100);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
  margin-bottom: 12px;
}
.target-variant-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.target-variant-textarea {
  min-height: 96px;
  resize: vertical;
  margin-bottom: 10px;
}
.target-variant-options {
  min-height: 64px;
  resize: vertical;
  margin-bottom: 10px;
}
.target-variant-modal-footer {
  justify-content: flex-end;
  padding-top: 4px;
}
.target-variant-list-modal {
  max-width: 760px;
}
.target-variant-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.target-variant-list-card {
  border: 1px solid var(--gray-100);
  border-radius: 8px;
  padding: 12px;
  background: var(--gray-50);
}
.target-variant-list-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}
.target-variant-list-meta {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.target-variant-list-preview {
  margin: 8px 0;
  font-size: 13px;
  color: var(--text);
  line-height: 1.7;
  max-height: 72px;
  overflow: hidden;
}
.target-variant-status {
  flex-shrink: 0;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
}
.target-variant-status.status-published {
  background: #DCFCE7;
  color: #15803D;
}
.target-variant-status.status-draft {
  background: #F3F4F6;
  color: #4B5563;
}
.target-variant-status.status-disabled {
  background: #E5E7EB;
  color: #6B7280;
}
.target-variant-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.target-variant-tags span {
  border-radius: 6px;
  background: #E0F2FE;
  color: #0369A1;
  padding: 2px 7px;
  font-size: 12px;
}
.target-tag-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.target-tag-chip {
  border: 1px solid #BAE6FD;
  border-radius: 999px;
  background: #F0F9FF;
  color: #0369A1;
  padding: 3px 9px;
  font-size: 12px;
  line-height: 1.4;
  cursor: pointer;
}
.target-tag-chip:hover {
  background: #E0F2FE;
}
.target-tag-note {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: #B45309;
}
.target-library-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.target-library-filter {
  width: auto;
  min-width: 128px;
  margin: 0 !important;
}
.target-library-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.target-library-card {
  border: 1px solid var(--gray-100);
  border-radius: 10px;
  background: var(--gray-50);
  padding: 14px;
}
.target-library-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.target-library-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
}
.target-library-stem {
  margin: 10px 0 8px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.75;
  max-height: 118px;
  overflow: hidden;
}
.target-library-answer {
  font-size: 13px;
  color: var(--text);
  line-height: 1.7;
  margin: 8px 0;
  font-weight: 600;
}
.target-library-detail-block {
  margin: 14px 0 10px;
  padding: 12px;
  border-radius: 8px;
  background: var(--gray-50);
  font-size: 13px;
  color: var(--text);
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.target-library-detail-analysis {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.target-scope-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.target-scope-btn {
  padding: 4px 12px;
  font-size: 12px;
  border-radius: 16px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-secondary);
  transition: all 0.15s;
}
.target-scope-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.target-paper-group {
  margin-bottom: 20px;
  padding: 12px;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  background: var(--gray-50);
}
.target-paper-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-hover);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 10px;
}
.target-err-item {
  padding: 12px;
  margin-bottom: 10px;
  border-radius: 8px;
  background: var(--card-bg);
  font-size: 13px;
  line-height: 1.8;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.target-err-item .q-type-tag {
  display: inline-block;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  margin-right: 6px;
  font-weight: 600;
}
@media (max-width: 1024px) {
  .target-class-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .target-class-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 768px) {
  .target-home-search {
    width: 100%;
  }
  .target-class-grid,
  .target-home-list,
  .target-student-grid,
  .target-class-stats,
  .target-library-grid {
    grid-template-columns: 1fr;
  }
  .target-library-filter {
    width: 100%;
  }
  .target-detail-header,
  .target-detail-actions {
    align-items: stretch;
  }
  .target-variant-modal {
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }
  .target-variant-layout {
    grid-template-columns: 1fr;
  }
  .target-variant-item-top,
  .target-variant-modal-footer {
    align-items: stretch;
    flex-direction: column;
  }
}