:root {
  /* 色彩系统 - 更新为现代女性喜欢的色系 */
  --primary: #e491a9; /* 柔和粉红色 */
  --secondary: #9f86c0; /* 淡紫色 */
  --accent: #5cbdb9; /* 蒂芙尼蓝绿色 */
  --background: #fdfaf6; /* 温暖米色背景 */
  --surface: #ffffff; /* 纯白表面 */
  --text-primary: #33272a; /* 深棕色文字 */
  --text-secondary: #8e7f85; /* 柔和灰褐色次要文字 */
  
  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
}

/* 通用样式 */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  font-weight: 600;
}

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

/* 按钮样式 */
.btn, .btn-submit {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-sm);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
  border: none;
  background-color: var(--primary);
  color: white;
}

.btn:hover, .btn-submit:hover {
  opacity: 0.9;
}

.btn:active, .btn-submit:active {
  transform: translateY(1px);
}

.icon-button {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s;
}

.icon-button:hover {
  background-color: rgba(0,0,0,0.05);
}

/* 表单样式 */
.form-group {
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-size: 14px;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="tel"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: 10px var(--spacing-sm);
  border: 1px solid #e0e0e0;
  border-radius: var(--radius-sm);
  font-size: 16px;
  color: var(--text-primary);
  background-color: white;
  transition: border-color 0.3s, box-shadow 0.3s;
  position: relative;
  z-index: 10;
}

/* 修复下拉菜单样式 */
select {
  appearance: auto !important;
  -webkit-appearance: auto !important;
  -moz-appearance: auto !important;
  padding-right: 25px;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 12px;
}

select option {
  padding: 8px;
  background-color: white;
  color: var(--text-primary);
  font-size: 16px;
}

/* 修复下拉选择框覆盖问题 */
.modal-content select {
  z-index: 100;
}

.modal-content select option {
  z-index: 101;
  background-color: white;
  color: var(--text-primary);
}

/* textarea样式 */
textarea {
  min-height: 80px;
  resize: vertical;
}

/* 表单元素聚焦状态 */
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(228, 145, 169, 0.2); /* 粉红色阴影 */
}

/* 应用头部 */
.app-header {
  display: grid;
  grid-template-columns: 40px 1fr 90px; /* 三列布局：返回按钮、标题、用户信息 */
  align-items: center;
  padding: 0 var(--spacing-sm);
  background-color: var(--surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 48px;
}

.app-header .back-button {
  grid-column: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.app-header .title {
  grid-column: 2;
  font-size: 18px;
  font-weight: bold;
  color: var(--primary);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-header .user-info {
  grid-column: 3;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  overflow: hidden;
}

.app-header .username {
  font-weight: 500;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 50px;
}

.app-header .avatar,
.app-header .avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.app-header .avatar-circle {
  color: white;
  font-weight: bold;
  background-color: var(--primary);
}

/* 选项卡 */
.tabs {
  display: flex;
  background-color: var(--surface);
  border-bottom: 1px solid rgba(0,0,0,0.1);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab {
  padding: var(--spacing-md);
  white-space: nowrap;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: color 0.3s;
}

.tab.active {
  color: var(--primary); /* 粉红色激活状态 */
  font-weight: 500;
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary); /* 粉红色下划线 */
}

/* 日程视图容器 */
#schedule-container {
  height: calc(100vh - 150px);
  overflow-y: auto;
  padding: 0 var(--spacing-md);
  margin-bottom: 50px;
  overflow-x: hidden;
}

/* 视图容器 */
.view-container {
  display: none;
  width: 100%;
  height: 100%;
}

.view-container.active {
  display: block;
}

/* 新的日视图布局 */
.time-schedule {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-sm);
  background-color: var(--surface);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow-y: hidden;
}

/* 表头固定行 */
.header-row {
  position: sticky;
  top: 0;
  z-index: 100;
  width: max-content;
  min-width: 100%;
  display: grid;
  grid-template-columns: 60px 1fr;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  overflow: hidden;
}

/* 教师表头行 */
.teachers-header-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  background-color: #4cc9f0;
  width: max-content;
  min-width: 100%;
  position: sticky;
  top: 0;
  z-index: 20;
  cursor: grab;
  touch-action: pan-x;
  will-change: transform;
  transition: transform 0.1s ease-out;
}

.teachers-header-row:active {
  cursor: grabbing;
}

/* 各个表头单元格 */
.time-header-cell, .teacher-header {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.time-header-cell {
  width: 60px;
  padding: 10px;
  font-weight: 600;
  background-color: var(--accent); /* 使用新的蒂芙尼蓝绿色 */
  color: white;
  position: sticky;
  left: 0;
  z-index: 110;
}

.teacher-header {
  cursor: pointer;
  padding: 10px 5px;
  text-align: center;
  font-weight: 600;
  background-color: var(--primary); /* 使用新的柔和粉红色 */
  color: white;
  flex: 1;
  transition: background-color 0.2s;
  border-right: 1px solid rgba(255,255,255,0.2);
  position: relative;
}

.teacher-header:hover {
  background-color: #d480a0; /* 粉红色的暗色调 */
}

.teacher-header:active {
  background-color: #c36f90; /* 粉红色的更暗色调 */
}

/* 时间槽容器 */
.time-slots-container {
  position: relative;
}

/* 时间格子 */
.time-slot {
  height: 60px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  display: flex;
  align-items: flex-start;
  padding: 2px 0 0 5px;
  color: var(--text-secondary);
  font-size: 14px;
  position: relative;
}

/* 教师列内容区域 */
.teacher-slots {
  position: relative;
}

/* 教师列布局 */
.teachers-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  width: max-content;
  min-width: 100%;
}

.teacher-column {
  position: relative;
  border-right: 1px solid rgba(0,0,0,0.05);
}

/* 给活跃的教师列添加指示器 */
.teacher-column:target,
.teacher-header:target {
  animation: highlight-column 2s ease-out;
}

@keyframes highlight-column {
  0% { background-color: rgba(228, 145, 169, 0.3); } /* 粉红色高亮 */
  100% { background-color: transparent; }
}

/* 时间轴样式优化 */
.time-axis {
  border-right: 1px solid rgba(0,0,0,0.1);
  background-color: var(--surface);
  height: calc(28 * 60px);
  overflow-y: hidden;
  position: sticky;
  left: 0;
  z-index: 10;
}

/* 添加辅助线，确保时间显示在横线下方 */
.time-slot::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-color: rgba(0,0,0,0.1);
  z-index: 5;
}

/* 添加时间点的绝对定位版本 */
.time-axis .time-marker {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  font-size: 12px;
  padding: 2px 5px;
  color: var(--text-secondary);
}

/* 时间格子样式优化 */
.time-cell {
  height: 60px;
  border-bottom: 1px dashed rgba(0,0,0,0.05);
  border-right: 1px solid rgba(0,0,0,0.05);
  position: relative;
  cursor: pointer;
  transition: background-color 0.2s;
}

.time-cell:hover {
  background-color: rgba(228, 145, 169, 0.1); /* 使用粉红色的透明版本 */
}

.time-cell.selected {
  background-color: rgba(159, 134, 192, 0.2); /* 使用紫色的透明版本 */
  box-shadow: inset 0 0 0 2px var(--secondary);
}

/* 课程项样式优化 */
.course-item {
  position: absolute;
  left: 5px;
  right: 5px;
  border-radius: var(--radius-md); /* 增加圆角 */
  padding: var(--spacing-sm);
  color: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08); /* 柔和阴影 */
  overflow: hidden;
  z-index: 5;
}

.course-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12); /* 悬停时更明显的阴影 */
  z-index: 10;
}

.course-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.course-time, .course-room {
  font-size: 12px;
  opacity: 0.9;
}

/* 周视图样式 */
.week-view {
  width: 100%;
  position: relative;
}

.week-header {
  display: flex;
  background-color: var(--surface);
  border-bottom: 1px solid rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 10;
}

.week-time-header {
  width: 60px;
  padding: var(--spacing-sm);
  text-align: center;
  font-weight: 500;
  color: var(--text-secondary);
  border-right: 1px solid rgba(0,0,0,0.1);
}

.week-day-header {
  flex: 1;
  padding: var(--spacing-sm);
  text-align: center;
  border-right: 1px solid rgba(0,0,0,0.05);
}

.week-day-name {
  font-weight: 500;
  color: var(--text-primary);
}

.week-day-date {
  font-size: 12px;
  color: var(--text-secondary);
}

.week-time-row {
  display: flex;
  height: 60px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.week-time-cell {
  width: 60px;
  padding: var(--spacing-sm);
  text-align: center;
  color: var(--text-secondary);
  font-size: 12px;
  border-right: 1px solid rgba(0,0,0,0.1);
  background-color: var(--surface);
}

.week-day-cell {
  flex: 1;
  border-right: 1px solid rgba(0,0,0,0.05);
  cursor: pointer;
  transition: background-color 0.2s;
}

.week-day-cell:hover {
  background-color: rgba(228, 145, 169, 0.1); /* 使用粉红色的透明版本 */
}

.week-day-cell.selected {
  background-color: rgba(159, 134, 192, 0.2); /* 使用紫色的透明版本 */
  box-shadow: inset 0 0 0 2px var(--secondary);
}

.week-course-item {
  position: absolute;
  border-radius: var(--radius-md); /* 增加圆角 */
  padding: var(--spacing-sm);
  color: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08); /* 柔和阴影 */
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 5;
}

.week-course-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12); /* 悬停时更明显的阴影 */
  z-index: 6;
}

/* 月视图样式 */
.month-view {
  width: 100%;
}

.month-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background-color: var(--surface);
  border-bottom: 1px solid rgba(0,0,0,0.1);
}

.month-day-header {
  padding: var(--spacing-md);
  text-align: center;
  font-weight: 500;
  color: var(--text-secondary);
}

.month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: 1px;
  background-color: rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.05);
  height: calc(100vh - 300px);
}

.month-day-cell {
  background-color: var(--surface);
  padding: var(--spacing-sm);
  min-height: 100px;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
}

.month-day-cell:hover {
  background-color: rgba(228, 145, 169, 0.1); /* 使用粉红色的透明版本 */
}

.month-day-cell.selected {
  box-shadow: inset 0 0 0 2px var(--secondary);
}

.month-day-prev,
.month-day-next {
  background-color: rgba(0,0,0,0.02);
}

.month-day-today {
  background-color: rgba(159, 134, 192, 0.1); /* 使用紫色的透明版本 */
}

.month-day-number {
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  text-align: right;
}

.month-day-courses {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.month-day-course {
  padding: 4px 6px; /* 增加内边距 */
  font-size: 12px;
  color: white;
  border-radius: 4px; /* 增加圆角 */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05); /* 添加轻微阴影 */
}

.month-day-more {
  padding: 2px 4px;
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  cursor: pointer;
}

.month-day-more:hover {
  text-decoration: underline;
}

/* 动作栏 */
.action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  padding: var(--spacing-md);
  background-color: var(--surface);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
  z-index: 90;
}

.action-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
}

.fab {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--primary); /* 使用主色调 */
  color: white;
  font-size: 24px;
  border: none;
  box-shadow: var(--shadow-md);
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 100;
}

.fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(228, 145, 169, 0.25); /* 粉红色阴影 */
}

/* 弹窗 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 100;
}

.modal-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--surface);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transform: translateY(0);
  transition: transform 0.3s;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 101;
}

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

.modal-header h3 {
  margin: 0;
}

.close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
}

/* 颜色选择器 */
.color-picker {
  display: flex;
  gap: var(--spacing-sm);
}

.color-option {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s;
}

.color-option:hover {
  transform: scale(1.1);
}

.color-option.selected {
  border-color: white;
  box-shadow: 0 0 0 2px var(--primary); /* 粉红色阴影 */
}

/* 登录页面 */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--background);
}

.login-container {
  width: 100%;
  max-width: 400px;
  background-color: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  margin: var(--spacing-md);
}

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

.login-header h1 {
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

.login-header p {
  color: var(--text-secondary);
}

.role-options {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xs);
}

.role-option {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  border: 1px solid #e0e0e0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s;
}

.role-option input {
  margin-bottom: var(--spacing-sm);
}

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

.remember-me {
  display: flex;
  align-items: center;
  margin: var(--spacing-md) 0;
}

.remember-me input {
  margin-right: var(--spacing-sm);
}

.login-footer {
  margin-top: var(--spacing-xl);
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

/* 课程详情弹窗 */
.modal-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.btn-edit, .btn-delete {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 500;
  cursor: pointer;
}

.btn-edit {
  background-color: var(--secondary); /* 紫色按钮 */
  margin-right: var(--spacing-sm);
}

.btn-delete {
  background-color: #e74c3c; /* 保持删除按钮为红色 */
}

/* 教室使用情况 */
.room-usage {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.room-item {
  background-color: var(--surface);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
}

.room-item h4 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

.room-item p {
  margin: var(--spacing-xs) 0;
  font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .schedule-content {
    grid-template-columns: 50px 1fr;
  }
  
  .tab {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .modal-content {
    padding: var(--spacing-md);
  }
  
  .fab {
    width: 50px;
    height: 50px;
    bottom: calc(var(--spacing-xl) + 42px);
  }
  
  .week-time-header,
  .week-time-cell {
    width: 50px;
  }
  
  .month-grid {
    height: calc(100vh - 250px);
  }
  
  .month-day-cell {
    min-height: 80px;
  }
  
  .room-usage {
    grid-template-columns: 1fr;
  }
}

/* 动画效果 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

.fadeIn {
  animation: fadeIn 0.3s forwards;
}

.slideUp {
  animation: slideUp 0.3s forwards;
}

/* Toast提示 */
.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--secondary); /* 紫色背景 */
  color: white;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* 每日排课表标题行固定 */
.schedule-title {
  text-align: center;
  margin: 10px 0;
  position: sticky;
  top: 0;
  background-color: var(--surface);
  z-index: 15;
}

/* 日视图表头固定 */
#day-view .time-schedule {
  position: relative;
}

#day-view .schedule-content {
  overflow: visible;
}

/* 月度日历样式 */
.calendar-section {
  background-color: var(--surface);
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
}

.section-title {
  color: var(--primary);
  text-align: center;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-size: 18px;
}

.month-mini-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: var(--spacing-md);
}

.mini-calendar-header {
  text-align: center;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs);
  background-color: var(--background);
  width: 100%;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mini-calendar-day {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  margin: 0 auto;
}

.day-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.mini-calendar-day.today .day-number {
  background-color: rgba(159, 134, 192, 0.2); /* 紫色背景 */
}

.mini-calendar-day.selected .day-number {
  background-color: var(--primary); /* 粉红色背景 */
  color: white;
}

.mini-calendar-day.other-month .day-number {
  color: var(--text-secondary);
  opacity: 0.5;
}

.mini-calendar-day:hover .day-number {
  background-color: rgba(228, 145, 169, 0.2); /* 粉红色的透明版本 */
}

.schedule-title h2 {
  color: var(--primary);
  font-size: 18px;
  margin: 0;
  padding: 10px 0;
  border-bottom: 1px solid #eee;
}

.schedule-tip {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 5px 0 10px;
  text-align: center;
  font-style: italic;
  background-color: rgba(228, 145, 169, 0.1); /* 粉红色背景 */
  padding: 5px 10px;
  border-radius: 4px;
}

/* 内容区域 */
.content-area {
  display: grid;
  grid-template-columns: 60px 1fr;
  width: 100%;
  overflow-x: auto;
  overflow-y: auto;
  height: calc(100vh - 220px);
  position: relative;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

/* 时间列固定 */
.time-column {
  position: sticky;
  left: 0;
  z-index: 15;
  background-color: var(--surface);
  box-shadow: 2px 0 5px rgba(0,0,0,0.1);
  border-right: 1px solid rgba(0,0,0,0.1);
}

/* 返回按钮 */
.back-button {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: transparent;
  border: none;
  color: var(--primary); /* 粉红色返回按钮 */
  cursor: pointer;
  font-weight: 500;
}

.back-button:hover {
  text-decoration: underline;
}

/* 月份导航 */
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.month-nav-button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--surface);
  border: 1px solid rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
  color: var(--text-primary);
}

.month-nav-button:hover {
  background-color: rgba(228, 145, 169, 0.1); /* 粉红色的透明版本 */
}

.section-title {
  color: var(--primary);
  text-align: center;
  margin: 0;
  font-size: 18px;
}

/* 添加滚动指示器，仅在有超出内容时显示 */
.content-area::-webkit-scrollbar {
  height: 4px;
  width: 4px;
}

.content-area::-webkit-scrollbar-thumb {
  background-color: rgba(228, 145, 169, 0.5); /* 粉红色滚动条 */
  border-radius: 4px;
}

.content-area::-webkit-scrollbar-track {
  background-color: rgba(0, 0, 0, 0.05);
}

.teacher-column.highlight,
.teacher-header.highlight {
  background-color: rgba(228, 145, 169, 0.25); /* 粉红色高亮 */
  transition: background-color 0.3s ease-out;
}

/* 课程统计样式 */
.stats-section {
  padding: var(--spacing-md);
}

.stats-section h4 {
  font-size: 16px;
  margin: var(--spacing-md) 0 var(--spacing-sm);
  color: var(--text-primary);
}

/* 时间范围选择标签 */
.time-range-tabs {
  display: flex;
  margin-bottom: var(--spacing-md);
  background-color: #f5f5f5;
  border-radius: var(--radius-sm);
  overflow: hidden;
  padding: 2px;
}

.time-range-tab {
  flex: 1;
  padding: 8px 0;
  text-align: center;
  background-color: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
  font-size: 14px;
  border-radius: var(--radius-sm);
}

.time-range-tab:hover {
  background-color: rgba(228, 145, 169, 0.1);
}

.time-range-tab.active {
  background-color: var(--primary);
  color: white;
  font-weight: 500;
}

/* 统计卡片区域 */
.stats-overview {
  display: flex;
  gap: 10px;
  margin-bottom: var(--spacing-md);
}

.stats-card {
  flex: 1;
  background-color: var(--surface);
  border-radius: var(--radius-sm);
  padding: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  text-align: center;
  border-left: 3px solid var(--primary);
  height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.stats-number {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.stats-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 课程类型统计列表 */
.stats-list {
  margin: var(--spacing-sm) 0;
  background-color: var(--surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.stats-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px var(--spacing-md);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.stats-item:last-child {
  border-bottom: none;
}

.stats-detail {
  display: flex;
  align-items: center;
  font-size: 14px;
}

.stats-hours {
  color: var(--text-primary);
  font-weight: 500;
  min-width: 55px;
  text-align: right;
}

.stats-divider, .stats-equals {
  color: var(--text-secondary);
  margin: 0 5px;
}

.stats-rate {
  color: var(--text-primary);
  min-width: 70px;
  text-align: right;
}

.stats-value {
  font-weight: 500;
  color: var(--accent);
  min-width: 60px;
  text-align: right;
  margin-left: 5px;
}

/* 课时费设置 */
.course-rates-container {
  margin: var(--spacing-sm) 0;
  background-color: var(--surface);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.course-rate-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.course-rate-item:last-child {
  border-bottom: none;
}

.course-rate-name {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 14px;
  width: 60px;
}

.course-rate-input {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
}

.rate-input {
  width: 60px;
  text-align: right;
  padding: 6px 8px;
  font-size: 14px;
}

.course-rates-container .btn-submit {
  display: block;
  margin: var(--spacing-md) auto 0;
  width: 100%;
  max-width: 200px;
  padding: 10px;
  font-size: 14px;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.2s;
}

/* 个人中心样式 */
.profile-section {
  padding: 0;
}

.profile-avatar-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  background-color: var(--background);
  border-radius: var(--radius-sm);
}

.avatar-circle {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: var(--primary);
  color: white;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.btn-change-avatar {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  padding: 3px 6px;
  transition: all 0.2s;
}

.avatar-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.avatar-option {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  color: white;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  margin: 0 auto;
  border: 2px solid transparent;
}

.avatar-option:hover {
  transform: scale(1.1);
}

.avatar-option.selected {
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--primary);
}

.btn-close-avatar-selection {
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s;
}

.btn-close-avatar-selection:hover {
  background-color: #d480a0; /* 粉红色的暗色调 */
}

/* 表单部分 */
.form-section {
  background-color: var(--surface);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-sm);
}

.form-section h4 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  color: var(--primary);
  font-size: 15px;
}

.form-section + .form-section {
  margin-top: var(--spacing-sm);
}

#profile-form .btn-submit {
  margin-top: var(--spacing-md);
  width: 100%;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

#profile-form .btn-submit:hover {
  background-color: #d480a0; /* 粉红色的暗色调 */
}

.btn-change-avatar:hover {
  color: var(--secondary);
  transform: scale(1.05);
}

/* 头像选择容器 */
.avatar-selection-container {
  background-color: var(--surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.avatar-selection-container h4 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: 15px;
}