:root {
  --primary-color: #0052d9;
  --secondary-color: #0066ff;
  --accent-color: #00b8d9;
  --text-color: #333;
  --light-text: #666;
  --background-color: #f5f7fa;
  --card-background: #fff;
  --border-color: #e0e6ed;
  --success-color: #00c875;
  --error-color: #ff5252;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Header Styles */
header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.logo i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
}

h1 {
  font-size: 2.5rem;
  color: var(--primary-color);
  font-weight: 500;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--light-text);
}

/* Card Styles */
.info-card {
  background-color: var(--card-background);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 2rem;
  margin-bottom: 2rem;
  overflow: hidden;
}

.json-data {
  background-color: var(--card-background);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 2rem 2rem 1.5rem 2rem;
  margin-bottom: 2rem;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.card-header i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
}

h2 {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--primary-color);
}

/* Loading Animation */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid rgba(0, 82, 217, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
  margin-bottom: 1rem;
}

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

/* Geo Data Display */
.geo-data {
  padding: 0.5rem;
}

.geo-card {
  background-color: var(--card-background);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: all 0.3s ease;
}

.geo-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.geo-card-section {
  padding: 1.5rem;
  display: flex;
  align-items: center;
}

.geo-card-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-color), transparent);
  margin: 0 1.5rem;
}

/* Location Section */
.location-section {
  background: linear-gradient(135deg, rgba(0, 82, 217, 0.03) 0%, rgba(0, 184, 217, 0.03) 100%);
}

.location-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1.5rem;
  box-shadow: 0 4px 8px rgba(0, 82, 217, 0.2);
}

.location-icon i {
  font-size: 1.5rem;
  color: white;
}

.location-info {
  flex: 1;
}

.location-primary {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.location-separator {
  color: var(--light-text);
  margin: 0 0.5rem;
  font-weight: 300;
}

.location-secondary {
  display: flex;
  gap: 1rem;
}

.code {
  font-size: 0.85rem;
  color: var(--light-text);
  font-family: monospace;
  background-color: rgba(0, 0, 0, 0.03);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}

/* Details Section */
.details-section {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
}

.detail-item {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 200px;
}

.detail-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: rgba(0, 82, 217, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
}

.detail-icon i {
  font-size: 1rem;
  color: var(--primary-color);
}

.detail-info {
  flex: 1;
}

.detail-label {
  font-size: 0.9rem;
  color: var(--light-text);
  margin-bottom: 0.25rem;
}

.detail-value {
  font-weight: 500;
  color: var(--text-color);
}



/* JSON Display */
.json-data {
  position: relative;
}

/* 移除了旧的 .json-data .card-header 样式，因为我们现在使用内联样式 */

.code-badge {
  margin-left: auto;
  background-color: var(--accent-color);
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(0, 184, 217, 0.2);
}

#json-display {
  background-color: #2d2d2d;
  padding: 1.5rem;
  border-radius: 4px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  overflow-x: auto;
  white-space: pre-wrap;
  color: #e6e6e6;
  border: none;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.1);
  line-height: 1.5;
  margin: 0;
}

#json-display::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 4px 4px 0 0;
  opacity: 0.7;
}

/* Error Message */
.error-message {
  display: flex;
  align-items: center;
  padding: 1rem;
  background-color: rgba(255, 82, 82, 0.1);
  border-radius: 8px;
  color: var(--error-color);
}

.error-message i {
  font-size: 1.5rem;
  margin-right: 1rem;
}

/* Footer */
footer {
  text-align: center;
  padding-top: 2rem;
  color: var(--light-text);
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.small {
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }

  h1 {
    font-size: 1.8rem;
  }

  .logo i {
    font-size: 1.8rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .info-card, .json-data {
    padding: 1.5rem 1rem;
  }

  .location-icon {
    width: 40px;
    height: 40px;
    margin-right: 1rem;
  }

  .location-icon i {
    font-size: 1.2rem;
  }

  .location-primary {
    font-size: 1.2rem;
  }

  .details-section {
    flex-direction: column;
    gap: 1.2rem;
  }

  .detail-item {
    width: 100%;
  }

  .code-badge {
    margin-left: 0;
    margin-top: 0.5rem;
    font-size: 0.7rem;
  }

  #json-display {
    font-size: 0.8rem;
    padding: 1rem;
  }
}