/* 自定义样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

.markdown-content {
  line-height: 1.8;
}

.markdown-content h1 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.markdown-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 1.25rem;
  margin-bottom: 0.75rem;
}

.markdown-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.markdown-content p {
  margin-bottom: 0.75rem;
}

.markdown-content ul, .markdown-content ol {
  margin-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.markdown-content li {
  margin-bottom: 0.25rem;
}

.markdown-content strong {
  font-weight: 600;
  color: #1f2937;
}

.btn-primary {
  background-color: #3b82f6;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: background-color 0.2s;
}

.btn-primary:hover {
  background-color: #2563eb;
}

.btn-secondary {
  background-color: #6b7280;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: background-color 0.2s;
}

.btn-secondary:hover {
  background-color: #4b5563;
}

.card {
  background: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
}

.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  height: 3rem;
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
}

.score-excellent {
  background-color: #10b981;
  color: white;
}

.score-good {
  background-color: #3b82f6;
  color: white;
}

.score-average {
  background-color: #f59e0b;
  color: white;
}

.score-poor {
  background-color: #ef4444;
  color: white;
}

.loading {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid #f3f4f6;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.fade-in {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 文件上传区域 */
.upload-zone {
  border: 2px dashed #d1d5db;
  border-radius: 0.5rem;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.upload-zone:hover {
  border-color: #3b82f6;
  background-color: #eff6ff;
}

.upload-zone.drag-over {
  border-color: #3b82f6;
  background-color: #dbeafe;
}

/* 面试题卡片 */
.question-card {
  border-left: 4px solid #3b82f6;
  padding: 1rem;
  margin-bottom: 1rem;
  background: white;
  border-radius: 0.375rem;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.question-card:hover {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* 录音按钮 */
.record-btn {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: #ef4444;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.record-btn:hover {
  background-color: #dc2626;
  transform: scale(1.05);
}

.record-btn.recording {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* 移动端适配 */
@media (max-width: 768px) {
  .card {
    padding: 1rem;
  }
  
  .score-badge {
    min-width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
  }
}