/* frontend/css/components.css — 组件样式 */

/* ═══ 头像样式 ═══ */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  font-weight: 700;
  overflow: hidden;
}

.avatar-lg {
  width: 80px;
  height: 80px;
  font-size: var(--font-size-xxl);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ═══ 任务卡片（三色体系统一规范） ═══ */
/* 红色=学校任务 | 橙色=自学任务 | 绿色=家庭任务 */

.task-card {
  position: relative;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.task-card:active {
  transform: scale(0.98);
}

/* 左侧色条 — 任务类型标识 */
.task-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  border-radius: 0 3px 3px 0;
}

.task-card.school {
  border-color: var(--color-school-light);
}
.task-card.school::before {
  background: var(--color-school);
}

.task-card.self-study {
  border-color: var(--color-self-study-light);
}
.task-card.self-study::before {
  background: var(--color-self-study);
}

.task-card.family {
  border-color: var(--color-family-light);
}
.task-card.family::before {
  background: var(--color-family);
}

.task-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xs);
  padding-left: 4px;
}

.task-card-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  flex: 1;
  line-height: 1.4;
}

.task-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  padding-left: 4px;
  margin-bottom: 2px;
}

.task-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.task-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
  padding-left: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.task-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
  padding-left: 4px;
}

.task-card-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-left: 4px;
}

.task-card-actions .btn {
  flex: 1;
  font-size: var(--font-size-xs);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.task-card-actions .btn:active {
  transform: scale(0.96);
}

/* 任务操作按钮 — 三色适配 */
.btn-task-school {
  background: var(--color-school);
  color: var(--color-white);
  border: none;
}

.btn-task-school:active {
  background: var(--color-school-dark);
}

.btn-task-self-study {
  background: var(--color-self-study);
  color: var(--color-white);
  border: none;
}

.btn-task-self-study:active {
  background: var(--color-self-study-dark);
}

.btn-task-family {
  background: var(--color-family);
  color: var(--color-white);
  border: none;
}

.btn-task-family:active {
  background: var(--color-family-dark);
}

/* 任务状态标签 */
.task-status {
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: 100px;
  font-weight: 500;
}

.task-status.pending {
  background: #FEF9E7;
  color: #B7950B;
}

.task-status.in-progress {
  background: #EBF5FB;
  color: #2980B9;
}

.task-status.submitted {
  background: #EBF5FB;
  color: #2980B9;
}

.task-status.verified {
  background: var(--color-family-light);
  color: var(--color-family-dark);
}

.task-status.correction {
  background: #FDEDEC;
  color: var(--color-school-dark);
}

/* 进度条 */
.task-progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-border-light);
  border-radius: 2px;
  margin-top: 8px;
  overflow: hidden;
}

.task-progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.4s ease;
}

.task-progress-fill.school {
  background: var(--color-school);
}

.task-progress-fill.self-study {
  background: var(--color-self-study);
}

.task-progress-fill.family {
  background: var(--color-family);
}

/* ═══ 答题模式弹窗 ═══ */
.quiz-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

/* v3.0: TaskCard 默认全屏弹窗（适合手机），覆盖 quiz-modal 的 bottom-sheet 行为 */
.task-card-modal {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 100%;
  max-height: 92vh;
  min-height: 60vh;
  overflow-y: auto;
  padding: var(--spacing-lg);
  animation: slideUp 0.3s ease;
}

.quiz-modal {
  background: var(--color-white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--spacing-lg);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.quiz-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-light);
}

.quiz-modal-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
}

.quiz-modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  border: none;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-secondary);
}

.quiz-item {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.quiz-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.quiz-item-num {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.quiz-item-question {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quiz-option:hover {
  border-color: var(--color-primary);
}

.quiz-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.quiz-option.correct {
  border-color: var(--color-family);
  background: var(--color-family-light);
}

.quiz-option.wrong {
  border-color: var(--color-school);
  background: var(--color-school-light);
}

.quiz-option-marker {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

.quiz-option-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.quiz-feedback {
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.quiz-feedback.correct {
  background: var(--color-family-light);
  color: var(--color-family-dark);
}

.quiz-feedback.wrong {
  background: var(--color-school-light);
  color: var(--color-school-dark);
}

.quiz-result-summary {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.quiz-result-score {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--color-primary);
}

.quiz-result-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

/* ═══ 上传模式弹窗样式 ═══ */
.upload-modal {
  background: var(--color-white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  padding: var(--spacing-lg);
  animation: slideUp 0.3s ease;
}

.upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-md);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.upload-area-icon {
  font-size: 40px;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

.upload-area-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.upload-preview {
  position: relative;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.upload-preview img {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  background: var(--color-bg);
}

.upload-preview-remove {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.upload-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

/* ═══ 个人主页 ═══ */
.profile-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-xl) 0;
  gap: var(--spacing-md);
}

.profile-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.profile-role-tag {
  margin-top: var(--spacing-xs);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

/* ═══ 登录页面 ═══ */
.login-page {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: var(--spacing-xl);
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: var(--spacing-xl);
}

.login-logo {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-logo h2 {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  font-weight: 700;
}

.login-logo p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.role-selector {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.role-option {
  flex: 1;
  text-align: center;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.role-option:hover {
  border-color: var(--color-primary);
}

.role-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

/* ═══ 首页头像页 ═══ */
.home-header {
  text-align: center;
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.home-avatar {
  margin: 0 auto var(--spacing-md);
}

.home-greeting {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.home-name {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.home-shortcuts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.shortcut-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.shortcut-item:active {
  transform: scale(0.95);
}

.shortcut-icon {
  font-size: 28px;
}

.shortcut-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* ═══ 任务分类标签栏 ═══ */
.task-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border-light);
  margin-bottom: var(--spacing-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.task-tab {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.task-tab.active {
  color: var(--color-text-primary);
  font-weight: 600;
}

.task-tab.active[data-type="school"] {
  color: var(--color-school);
  border-bottom-color: var(--color-school);
}

.task-tab.active[data-type="self_study"] {
  color: var(--color-self-study);
  border-bottom-color: var(--color-self-study);
}

.task-tab.active[data-type="family"] {
  color: var(--color-family);
  border-bottom-color: var(--color-family);
}

/* ═══ 任务统计概览栏 ═══ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.stats-item {
  text-align: center;
  padding: var(--spacing-sm) var(--spacing-xs);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.stats-number {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.stats-label-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ═══ 空状态 ═══ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl) var(--spacing-md);
  text-align: center;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.6;
}

.empty-state-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ═══ 管理员后台 ═══ */
.admin-section {
  margin-bottom: var(--spacing-xl);
}

.admin-section-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--color-border-light);
}

/* ═══ 家庭任务验收组件样式 ═══ */

/* 验收状态标签 */
.task-card-verification-status {
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.verification-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

.verification-badge.verification-submitted {
  background: #fff3e0;
  color: #e65100;
  border: 1px solid #ffcc80;
}

.verification-badge.verification-verified {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.verification-badge.verification-correction {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
}

/* 验收卡片 */
.verification-card {
  margin-bottom: 12px;
  border-left: 4px solid var(--color-family);
}

.verification-card-header {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
}

.verification-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.verification-status-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  white-space: nowrap;
}

.verification-status-badge.status-submitted {
  background: #fff3e0;
  color: #e65100;
}

.verification-status-badge.status-verified {
  background: #e8f5e9;
  color: #2e7d32;
}

.verification-status-badge.status-correction {
  background: #ffebee;
  color: #c62828;
}

.verification-image-preview {
  margin: 8px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-secondary);
  max-height: 200px;
}

.verification-image-preview img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.verification-note {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 6px;
  padding: 6px 8px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

.verification-comment {
  font-size: 12px;
  margin-top: 6px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
}

.verification-comment.verified {
  background: #e8f5e9;
  color: #2e7d32;
}

.verification-comment.correction {
  background: #ffebee;
  color: #c62828;
}

.verification-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

/* 密码弹窗 */
.password-modal {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: 20px;
  width: 90%;
  max-width: 360px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.password-modal-header {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.password-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.password-input:focus {
  border-color: var(--color-primary);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 4px 8px;
  border-radius: var(--radius-full);
}

.modal-close:hover {
  background: var(--color-bg-secondary);
}

/* ═══ 积分 & 兑换样式 ═══ */

.points-balance-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: var(--radius-lg);
  padding: 20px;
  color: white;
  margin-bottom: 12px;
}

.points-balance-main {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.points-balance-icon {
  font-size: 40px;
}

.points-balance-number {
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}

.points-balance-label {
  font-size: 13px;
  opacity: 0.85;
  margin-top: 4px;
}

.points-balance-detail {
  display: flex;
  gap: 16px;
  justify-content: space-around;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.2);
}

.points-detail-item {
  text-align: center;
}

.points-detail-num {
  font-size: 16px;
  font-weight: 600;
}

.points-detail-label {
  font-size: 11px;
  opacity: 0.75;
  margin-top: 2px;
}

.points-rules-banner {
  background: #f0f4ff;
  border-left: 3px solid var(--color-primary);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

/* 兑换商品卡片 */
.redemption-item {
  margin-bottom: 10px;
  border-left: 4px solid var(--color-primary);
}

.redemption-item.unaffordable {
  border-left-color: var(--color-text-muted);
  opacity: 0.7;
}

.redemption-item-header {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.redemption-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.redemption-item-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.redemption-item-points {
  text-align: center;
  min-width: 60px;
}

/* === v2.2.0 TaskCard 通用容器样式 === */
.task-card-footer {
  padding: 16px;
  text-align: center;
  border-top: 1px solid var(--color-border, #eee);
}

/* ═══ v3.0: 统一任务卡片样式（由 displayStatus 控制，不用 task_type 配色） ═══ */
.task-card-v3 {
  border: 1px solid var(--color-border-light);
  padding: 12px 16px;
}
.task-card-v3::before {
  display: none;
}
.task-card-v3 .task-card-status {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.task-card-v3 .task-card-header {
  margin-bottom: 10px;
}
.task-card-v3 .task-card-type-tag {
  font-size: 11px;
  background: var(--color-bg, #f5f5f5);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}
.task-card-v3 .task-card-footer {
  border: none;
  padding: 6px 0 0;
  text-align: left;
}
.task-card-v3 .task-card-actions {
  margin-top: 6px;
}
.task-card-v3 .btn-do-task {
  min-width: 80px;
  padding: 6px 16px;
  font-size: 14px;
  border-radius: 6px;
}

.task-card-submit-btn {
  min-width: 200px;
  padding: 12px 32px;
  font-size: 16px;
}

/* v3.0: 版本控制水印 — 右下角显示 cardType + 版本号 */
.task-card-watermark {
  position: absolute;
  right: 8px;
  bottom: 8px;
  font-size: 10px;
  color: rgba(0,0,0,0.18);
  font-family: monospace;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.task-card-body {
  max-height: 60vh;
  overflow-y: auto;
}
.task-card-title {
  margin: 0;
  font-size: 18px;
  flex: 1;
}
.task-card-progress {
  font-size: 13px;
  color: var(--color-text-muted, #999);
  margin-left: 12px;
}
.task-card-result {
  text-align: center;
  padding: 24px 16px;
}
.task-card-result-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-family, #4CAF50);
  color: white;
  font-size: 32px;
  line-height: 64px;
  margin: 0 auto 16px;
}
.task-card-result-icon.error {
  background: var(--color-school, #f44336);
}
.task-card-result-title {
  font-size: 20px;
  margin: 0 0 12px;
}
.task-card-result-score {
  font-size: 16px;
  color: var(--color-text, #333);
  margin-bottom: 8px;
}
.task-card-result-points {
  font-size: 18px;
  font-weight: bold;
  color: #FF9800;
  margin-bottom: 12px;
}
.task-card-result-encourage {
  font-size: 15px;
  color: var(--color-text-muted, #666);
  font-style: italic;
}
.task-card-error-msg {
  color: var(--color-school, #f44336);
  text-align: center;
  padding: 24px;
}
.task-card-loading {
  opacity: 0.6;
  pointer-events: none;
}
.upload-card-content {
  padding: 8px 0;
}
.upload-area {
  border: 2px dashed #ddd;
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  cursor: pointer;
  margin: 12px 0;
}
.upload-area:hover {
  border-color: var(--color-family, #4CAF50);
}
.upload-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.math-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  margin-top: 8px;
}


/* === 阅读卡片样式 === */
.reading-card { padding: 8px 0; }
.reading-status { text-align: center; padding: 16px 0; }
.reading-timer-display { font-size: 48px; font-weight: bold; color: var(--color-family, #4CAF50); font-family: monospace; margin-bottom: 8px; }
.reading-book-badge { background: #FF9800; color: white; padding: 2px 8px; border-radius: 4px; font-size: 12px; margin-right: 6px; }
.reading-text { background: #f8f9fa; padding: 16px; border-radius: 8px; margin-top: 12px; max-height: 250px; overflow-y: auto; }
.reading-question-item { background: #f0f7ff; padding: 12px; border-radius: 8px; margin-bottom: 8px; }
.reading-q-num { display: inline-block; width: 24px; height: 24px; background: var(--color-family, #4CAF50); color: white; border-radius: 50%; text-align: center; line-height: 24px; font-size: 13px; margin-right: 8px; }
.reading-q-text { display: inline; font-size: 15px; }
.reading-q-hint { font-size: 12px; color: #999; margin-top: 4px; margin-left: 32px; }
.reading-controls { text-align: center; padding: 16px 0; }
.reading-voice-area { text-align: center; padding: 12px; background: #fff3e0; border-radius: 8px; margin-top: 12px; }


/* === 今天我想说 样式 === */
.free-talk-overlay { position:fixed; top:0; left:0; width:100%; height:100%; background:rgba(0,0,0,0.5); z-index:10000; display:flex; align-items:center; justify-content:center; }
.free-talk-modal { background:white; border-radius:16px; width:90%; max-width:450px; max-height:80vh; display:flex; flex-direction:column; overflow:hidden; }
.free-talk-header { display:flex; align-items:center; justify-content:space-between; padding:16px; border-bottom:1px solid #eee; }
.free-talk-header h3 { margin:0; font-size:18px; }
.free-talk-close { background:none; border:none; font-size:22px; cursor:pointer; }
.free-talk-chat { flex:1; overflow-y:auto; padding:16px; min-height:300px; max-height:50vh; background:#f8f9fa; }
.free-talk-input { display:flex; padding:12px; gap:8px; border-top:1px solid #eee; }
.free-talk-text-input { flex:1; padding:10px; border:1px solid #ddd; border-radius:20px; font-size:15px; }
.free-talk-send-btn { padding:8px 16px; background:var(--color-family,#4CAF50); color:white; border:none; border-radius:20px; cursor:pointer; }
.free-talk-mic-btn { width:40px; height:40px; border-radius:50%; border:none; background:#f0f0f0; font-size:20px; cursor:pointer; display:flex; align-items:center; justify-content:center; }
.free-talk-mic-btn.recording { background:#f44336; color:white; animation:pulse 1s infinite; }
@keyframes pulse { 0%,100% { transform:scale(1); } 50% { transform:scale(1.1); } }
.ft-message { margin-bottom:12px; display:flex; align-items:flex-start; }
.ft-user { justify-content:flex-end; }
.ft-ai { }
.ft-avatar { width:32px; height:32px; border-radius:50%; background:#e3f2fd; display:flex; align-items:center; justify-content:center; margin-right:8px; font-size:18px; flex-shrink:0; }
.ft-bubble { max-width:75%; padding:10px 14px; border-radius:16px; font-size:15px; line-height:1.5; word-break:break-word; }
.ft-user .ft-bubble { background:var(--color-family,#4CAF50); color:white; border-bottom-right-radius:4px; }
.ft-ai .ft-bubble { background:white; border:1px solid #e0e0e0; border-bottom-left-radius:4px; }
.ft-typing .ft-bubble { color:#999; font-style:italic; }


/* === 家长日报样式 === */
.daily-student-card { background:white; border-radius:12px; padding:16px; margin-bottom:16px; box-shadow:0 1px 3px rgba(0,0,0,0.08); }
.daily-student-name { font-size:18px; margin:0 0 12px; color:var(--color-text-primary); }
.daily-stats { display:flex; gap:12px; margin-bottom:12px; }
.daily-stat { flex:1; text-align:center; padding:12px 8px; background:#f8f9fa; border-radius:8px; }
.daily-stat-num { display:block; font-size:28px; font-weight:700; }
.daily-stat-label { display:block; font-size:12px; color:var(--color-text-muted); margin-top:2px; }
.daily-subjects { display:flex; flex-direction:column; gap:6px; margin-bottom:12px; }
.daily-subject-item { display:flex; align-items:center; padding:8px 12px; background:#f8f9fa; border-radius:8px; }
.daily-subject-name { flex:1; font-weight:500; font-size:14px; }
.daily-subject-count { color:var(--color-text-muted); font-size:13px; margin-right:12px; }
.daily-subject-correct { color:#4CAF50; font-weight:600; font-size:14px; }
.daily-wrong { margin-top:8px; }
.daily-wrong h4 { font-size:14px; margin:0 0 8px; color:#f44336; }
.daily-wrong-item { background:#fff5f5; padding:10px 12px; border-radius:8px; margin-bottom:6px; font-size:13px; }
.daily-wrong-q { font-weight:500; margin-bottom:4px; }
.daily-wrong-ans { color:var(--color-text-muted); font-size:12px; }
.daily-empty { text-align:center; padding:20px; color:var(--color-text-muted); font-size:14px; }


/* === TaskCard 弹窗覆盖 === */
.task-card-overlay { align-items: center !important; }
.task-card-modal { 
  border-radius: 16px !important;
  width: 92% !important;
  max-width: 500px !important;
  max-height: 90vh !important;
  margin: auto !important;
  animation: taskCardIn 0.25s ease !important;
}
/* v3.0: 阅读卡片全屏 */
.task-card-modal.reading-fullscreen {
  width: 100% !important;
  max-width: 100% !important;
  max-height: 100vh !important;
  height: 100vh !important;
  max-height: 100vh !important;
  border-radius: 0 !important;
  margin: 0 !important;
  display: flex !important;
  flex-direction: column !important;
}
.task-card-modal.reading-fullscreen .task-card-body {
  padding: 0 !important;
  height: 100% !important;
  max-height: none !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
}
.task-card-modal.reading-fullscreen .quiz-modal-close {
  position: absolute !important;
  top: 8px !important;
  right: 12px !important;
  z-index: 100 !important;
  background: rgba(255,255,255,0.9) !important;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15) !important;
}
.task-card-modal.reading-fullscreen .quiz-modal-body {
  padding: 0 !important;
  height: 100% !important;
  max-height: none !important;
  overflow: hidden !important;
}
.task-card-modal.reading-fullscreen .task-card-header {
  display: none !important;
}
@keyframes taskCardIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes taskCardBounce {
  0% { transform: scale(0.5); opacity: 0; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}