/* AQI WebSocket框架页面样式 */

/* 页面特定变量 */
:root {
  --aqi-primary: #8A2BE2;
  --aqi-secondary: #9932CC;
  --aqi-light: #F5F0FF;
  --aqi-dark: #6A1B9A;
  --aqi-accent: #00D4AA;
}

/* 英雄区域 */
.aqi-hero {
  background: linear-gradient(135deg, var(--aqi-light) 0%, #ffffff 100%);
  padding: 120px 0 80px;
  text-align: center;
}

.aqi-hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.aqi-hero .subtitle {
  font-size: 1.5rem;
  color: var(--aqi-primary);
  margin-bottom: 2rem;
  font-weight: 600;
}

.aqi-hero .description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

.aqi-cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.btn-aqi-primary {
  background: var(--aqi-primary);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-aqi-secondary {
  background: var(--aqi-accent);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}

.btn-aqi-outline {
  background: transparent;
  color: var(--aqi-primary);
  padding: 1rem 2.5rem;
  border: 2px solid var(--aqi-primary);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--aqi-primary);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* 核心特性区域 */
.aqi-features {
  padding: 80px 0;
  background: white;
}

.aqi-features h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-dark);
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(138, 43, 226, 0.1);
  text-align: center;
  border: 1px solid #f0f0f0;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: block;
}

.feature-card h3 {
  font-size: 1.5rem;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  text-align: left;
}

.feature-list li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--aqi-primary);
  font-weight: bold;
}

/* 在线演示区域 */
.aqi-demo {
  padding: 80px 0;
  background: var(--bg-light);
}

.aqi-demo h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-dark);
  margin-bottom: 3rem;
}

.demo-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.demo-left,
.demo-right {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.demo-left h3,
.demo-right h3 {
  font-size: 1.3rem;
  color: var(--primary-dark);
  margin-bottom: 1.5rem;
}

.demo-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.demo-btn {
  background: var(--aqi-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
}

.demo-btn:disabled {
  background: #ccc;
  cursor: not-allowed;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.status-connected {
  color: #10B981;
  font-weight: bold;
}

.status-disconnected {
  color: #EF4444;
  font-weight: bold;
}

.message-area {
  border-top: 1px solid #eee;
  padding-top: 1.5rem;
}

.message-area h4 {
  font-size: 1.1rem;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.message-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.log-area {
  background: #1a1a1a;
  color: #00ff00;
  padding: 1.5rem;
  border-radius: 8px;
  height: 300px;
  overflow-y: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
}

.log-item {
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.performance-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.metric {
  text-align: center;
}

.metric-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--aqi-primary);
}

/* 代码示例区域 */
.aqi-code {
  padding: 80px 0;
  background: white;
}

.aqi-code h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-dark);
  margin-bottom: 3rem;
}

.code-examples {
  max-width: 1000px;
  margin: 0 auto;
}

.code-tab-nav {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 1px solid #ddd;
}

.tab-btn {
  background: #f8f9fa;
  border: 1px solid #ddd;
  border-bottom: none;
  padding: 1rem 2rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-secondary);
}

.tab-btn.active {
  background: white;
  color: var(--aqi-primary);
  border-bottom: 2px solid var(--aqi-primary);
}

.code-content {
  background: white;
  border: 1px solid #ddd;
  border-top: none;
}

.code-tab {
  display: none;
}

.code-tab.active {
  display: block;
}

.code-tab pre {
  margin: 0;
  padding: 2rem;
  background: #1a1a1a;
  color: #f8f8f2;
  overflow-x: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}

.code-tab code {
  background: none;
  color: inherit;
  padding: 0;
}

/* 技术架构区域 */
.aqi-architecture {
  padding: 80px 0;
  background: var(--bg-light);
}

.aqi-architecture h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--primary-dark);
  margin-bottom: 3rem;
}

.architecture-diagram {
  max-width: 800px;
  margin: 0 auto;
}

.arch-layer {
  background: white;
  margin-bottom: 1rem;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.arch-layer h3 {
  font-size: 1.3rem;
  color: var(--aqi-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.arch-components {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.component {
  background: var(--aqi-light);
  color: var(--aqi-dark);
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: 500;
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .aqi-hero h1 {
    font-size: 2.5rem;
  }
  
  .aqi-hero .subtitle {
    font-size: 1.2rem;
  }
  
  .aqi-cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .demo-container {
    grid-template-columns: 1fr;
  }
  
  .performance-metrics {
    grid-template-columns: 1fr;
  }
  
  .code-tab-nav {
    flex-direction: column;
  }
  
  .arch-components {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .aqi-hero {
    padding: 80px 0 60px;
  }
  
  .aqi-hero h1 {
    font-size: 2rem;
  }
  
  .feature-card,
  .demo-left,
  .demo-right {
    padding: 1.5rem;
  }
  
  .demo-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .demo-btn {
    width: 100%;
  }
}