:root {
  --primary-color: #6c63ff;
  --secondary-color: #4d44f9;
  --text-color: #333;
  --light-text-color: #666;
  --bg-color: #f0f2f5;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --error-color: #f44336;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans SC', sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  padding: 20px;
  background-attachment: fixed;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 玻璃态面板 */
.glass-panel {
  background: var(--glass-bg);
  border-radius: 15px;
  padding: 25px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 var(--glass-shadow);
  transition: all 0.3s ease;
}

.glass-panel:hover {
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

header {
  text-align: center;
  padding: 30px;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

header p {
  color: var(--light-text-color);
  font-size: 1.1rem;
}

main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 表单样式 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.glass-input {
  width: 100%;
  padding: 12px 15px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  font-size: 16px;
  transition: all 0.3s ease;
}

.glass-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

.code-area {
  min-height: 200px;
  font-family: 'Courier New', monospace;
  resize: vertical;
}

/* 按钮样式 */
.glass-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px 25px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.glass-btn:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.glass-btn:active {
  transform: translateY(0);
}

.glass-btn i {
  font-size: 18px;
}

/* 结果面板 */
.results-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 15px;
  margin-bottom: 20px;
}

.score-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.quality-score {
  background: var(--primary-color);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
}

.feedback-content {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  padding: 20px;
  margin-top: 10px;
}

.suggestions-list {
  list-style-type: none;
  margin-top: 10px;
}

.suggestions-list li {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  padding: 12px 15px;
  margin-bottom: 10px;
  border-left: 4px solid var(--primary-color);
  display: flex;
  align-items: center;
}

.suggestions-list li:before {
  content: '•';
  color: var(--primary-color);
  font-weight: bold;
  margin-right: 10px;
  font-size: 20px;
}

/* 加载动画 */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(108, 99, 255, 0.2);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s linear infinite;
  margin-bottom: 20px;
}

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

/* Toast通知 */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 15px 25px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  z-index: 1000;
  max-width: 350px;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast i {
  font-size: 24px;
}

.toast.success i {
  color: var(--success-color);
}

.toast.warning i {
  color: var(--warning-color);
}

.toast.error i {
  color: var(--error-color);
}

/* 工具类 */
.hidden {
  display: none !important;
}

footer {
  text-align: center;
  padding: 20px;
  color: var(--light-text-color);
  margin-top: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  header h1 {
    font-size: 2rem;
  }

  .glass-panel {
    padding: 20px;
  }

  .results-header {
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
  }
}