page {
  background-color: #f5f5f5;
  height: 100vh;
}

.container {
  min-height: 100vh;
  padding: 20rpx;
}

.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 20rpx;
  padding: 30rpx;
  margin-bottom: 20rpx;
  box-shadow: 0 4rpx 20rpx rgba(102, 126, 234, 0.3);
}

.title {
  font-size: 36rpx;
  font-weight: bold;
  color: #ffffff;
}

.form {
  background: #ffffff;
  border-radius: 20rpx;
  padding: 30rpx;
  margin-bottom: 20rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.08);
}

.form-item {
  margin-bottom: 30rpx;
}

.label {
  font-size: 28rpx;
  font-weight: 600;
  color: #333333;
  margin-bottom: 15rpx;
}

.textarea {
  width: 100%;
  min-height: 200rpx;
  font-size: 28rpx;
  color: #333333;
  border: 2rpx solid #f0f0f0;
  border-radius: 12rpx;
  padding: 20rpx;
  box-sizing: border-box;
  resize: none;
  line-height: 1.6;
}

.placeholder {
  color: #999999;
}

.counter {
  display: block;
  text-align: right;
  font-size: 24rpx;
  color: #999999;
  margin-top: 10rpx;
}

.image-uploader {
  margin-top: 10rpx;
}

.upload-area {
  width: 120rpx;
  height: 120rpx;
  border: 2rpx dashed #e0e0e0;
  border-radius: 12rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #fafafa;
  margin-bottom: 15rpx;
  transition: all 0.3s ease;
}

.upload-area:active {
  background: #f0f0f0;
  transform: scale(0.98);
}

.upload-icon {
  font-size: 48rpx;
  color: #999999;
  margin-bottom: 10rpx;
}

.upload-text {
  font-size: 24rpx;
  color: #999999;
}

.image-list {
  display: flex;
  gap: 15rpx;
  flex-wrap: wrap;
  margin-top: 15rpx;
}

.image-item {
  position: relative;
  width: 150rpx;
  height: 150rpx;
  border-radius: 12rpx;
  overflow: hidden;
}

.image {
  width: 100%;
  height: 100%;
  background: #f0f0f0;
}

.image-delete {
  position: absolute;
  top: 5rpx;
  right: 5rpx;
  width: 40rpx;
  height: 40rpx;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 32rpx;
  font-weight: bold;
  transition: all 0.3s ease;
}

.image-delete:active {
  background: rgba(0, 0, 0, 0.8);
  transform: scale(0.9);
}

.topic-picker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20rpx;
  border: 2rpx solid #f0f0f0;
  border-radius: 12rpx;
  background: #fafafa;
  transition: all 0.3s ease;
}

.topic-picker:active {
  background: #f0f0f0;
}

.topic-text {
  font-size: 28rpx;
  color: #333333;
}

.topic-arrow {
  font-size: 20rpx;
  color: #999999;
}

.footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  padding: 20rpx;
  background: #ffffff;
  border-top: 1rpx solid #f0f0f0;
  box-shadow: 0 -2rpx 10rpx rgba(0, 0, 0, 0.05);
  box-sizing: border-box;
}

.cancel-btn {
  flex: 1;
  height: 80rpx;
  margin-right: 15rpx;
  background: #f5f5f5;
  color: #333333;
  border: none;
  border-radius: 40rpx;
  font-size: 28rpx;
  font-weight: 600;
}

.submit-btn {
  flex: 1;
  height: 80rpx;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #ffffff;
  border: none;
  border-radius: 40rpx;
  font-size: 28rpx;
  font-weight: 600;
}

.submit-btn:disabled {
  background: #e0e0e0;
  color: #999999;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.modal-container {
  width: 80%;
  max-height: 70vh;
  background: #ffffff;
  border-radius: 20rpx;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20rpx;
  border-bottom: 1rpx solid #f0f0f0;
}

.modal-title {
  font-size: 32rpx;
  font-weight: bold;
  color: #333333;
}

.modal-close {
  font-size: 36rpx;
  color: #999999;
  padding: 10rpx;
}

.modal-content {
  padding: 20rpx;
  max-height: 50vh;
  overflow-y: auto;
}

.topic-item {
  padding: 20rpx;
  border-bottom: 1rpx solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.topic-item:active {
  background: #f0f7ff;
}

.topic-name {
  font-size: 28rpx;
  color: #333333;
  font-weight: 500;
}

.topic-count {
  font-size: 24rpx;
  color: #999999;
}