:root {
  --primary-color: #4a6fa5;
  --secondary-color: #166088;
  --accent-color: #4fc3f7;
  --background-color: #f5f7fa;
  --card-color: #ffffff;
  --text-color: #333333;
  --light-text: #777777;
  --border-color: #e1e4e8;
  --success-color: #4caf50;
  --warning-color: #ff9800;
  --error-color: #f44336;
}

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

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  padding: 20px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  background-color: var(--card-color);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 30px;
  min-height: calc(100vh - 40px);
  display: flex;
  flex-direction: column;
}

header {
  margin-bottom: 30px;
  text-align: center;
}

h1 {
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-size: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 20px;
}

.stat-item {
  text-align: center;
  padding: 10px 20px;
  background-color: var(--background-color);
  border-radius: 8px;
  min-width: 120px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--light-text);
}

.search-container {
  margin-bottom: 30px;
}

.search-box {
  display: flex;
  margin-bottom: 10px;
}

#searchBox {
  flex: 1;
  padding: 15px;
  border: 2px solid var(--border-color);
  border-radius: 8px 0 0 8px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

#searchBox:focus {
  outline: none;
  border-color: var(--accent-color);
}

#searchButton {
  padding: 0 25px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 0.3s;
  display: flex;
  align-items: center;
  gap: 8px;
}

#searchButton:hover {
  background-color: var(--secondary-color);
}

.search-tips {
  font-size: 0.9rem;
  color: var(--light-text);
  text-align: center;
}

.results-container {
  flex: 1;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

#resultsTitle {
  font-size: 1.3rem;
  color: var(--secondary-color);
}

#resultsCount {
  font-size: 0.9rem;
  color: var(--light-text);
}

.results-list {
  max-height: 500px;
  overflow-y: auto;
  padding-right: 10px;
}

.result-item {
  padding: 12px 15px;
  margin-bottom: 10px;
  background-color: var(--background-color);
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: transform 0.2s;
}

.result-item:hover {
  transform: translateX(5px);
}

.result-type {
  font-size: 0.8rem;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: var(--accent-color);
  color: white;
}

footer {
  margin-top: 30px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--light-text);
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.update-info {
  font-size: 0.8rem;
  margin-top: 5px;
}

.no-results {
  text-align: center;
  padding: 30px;
  color: var(--light-text);
}

.loading {
  text-align: center;
  padding: 20px;
}

.spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top: 4px solid var(--primary-color);
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 0 auto 15px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .container {
    padding: 20px;
  }
  
  .stats {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
  
  .search-box {
    flex-direction: column;
  }
  
  #searchBox {
    border-radius: 8px;
    margin-bottom: 10px;
  }
  
    #searchButton {
      border-radius: 8px;
      justify-content: center;
    }
  }