body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
}

.header {
  background-color: #001529;
  color: white;
  padding: 12px 16px;
}

.header h1 {
  font-size: 18px;
  margin: 0;
}

.header-nav {
  display: none;
}

.controls {
  padding: 12px 16px;
  background-color: #fff;
  border-bottom: 1px solid #d9d9d9;
}

.controls label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 4px;
  color: #333;
}

.controls select {
  width: 100%;
  padding: 8px;
  margin-bottom: 12px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  font-size: 14px;
}

.controls input[type="checkbox"] {
  margin-right: 6px;
  cursor: pointer;
}

.controls-section {
  border-top: 1px solid #e8e8e8;
  margin-top: 12px;
  padding-top: 12px;
}

.controls-section:first-child {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}

.controls-section label {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.container {
  padding: 16px;
}

.container h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.container p {
  line-height: 1.6;
  margin-bottom: 16px;
  color: #999;
  font-size: 14px;
}

.pagewrapper {
  margin: 20px 0;
}

.fake-content {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  height: 12px;
  margin-bottom: 8px;
  border-radius: 2px;
}

.fake-content.short {
  width: 70%;
}

.fake-content.medium {
  width: 85%;
}

.placeholder {
  text-align: center;
  padding: 40px 20px;
  color: #666;
  font-size: 14px;
}

/* Desktop styles */
@media (min-width: 768px) {
  .header {
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .header h1 {
    font-size: 20px;
  }

  .header-nav {
    display: block;
  }

  .header-nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-size: 14px;
  }

  .header-nav a:hover {
    text-decoration: underline;
  }

  .controls {
    padding: 16px 24px;
    display: flex;
    gap: 16px;
    align-items: center;
  }

  .controls label {
    display: inline;
    margin-bottom: 0;
    margin-right: 8px;
  }

  .controls select {
    width: auto;
    margin-bottom: 0;
  }

  .controls-section {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
    border-left: 1px solid #e8e8e8;
    margin-left: 16px;
    padding-left: 16px;
  }

  .controls-section:first-child {
    border-left: none;
    margin-left: 0;
    padding-left: 0;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
  }
}