body {
  font-family: 'Inter', 'Roboto', Helvetica, Arial, sans-serif;
  background-color: var(--primary-bg);
  color: var(--primary-fg);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
}

img {
  max-width: 100%;
  height: auto;
}

.container-fluid {
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (max-width: 768px) {
  .collapse-on-mobile {
    flex-direction: column !important;
  }
}

:root {
  --primary-bg: #f5f7fa;
  --primary-fg: #333;
  --accent: #1a73e8;
  --section-bg: #f9fbfd;
  --card-border: #e0e0e0;
}

.wrapper {
  background-color: var(--primary-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  max-width: 720px;
  margin: 0 auto;
  overflow: hidden;
  padding: 20px;
}

.section-divider {
  border: none;
  border-top: 1px solid #ccc;
  margin: 40px 0;
  opacity: 0.3;
}

.digest-preview .card {
  margin-bottom: 24px;
  padding: 20px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background-color: var(--section-bg);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
.digest-preview .card h2,
.digest-preview .card h3 {
  font-size: 20px;
  margin: 0 0 8px;
  font-weight: 600;
.digest-preview .card p {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--primary-fg);
.digest-preview .article-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 8px auto;
  border-radius: 4px;
.digest-preview .reflection {
  margin: -4px 0 8px;
  font-size: 14px;
  color: #666;
}

.quick-hits-box {
  background-color: var(--section-bg);
  padding: 20px;
  margin: 0;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.quick-hits-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-fg);
}

.quick-hits-list {
  margin: 0;
  padding-left: 20px;
}

.quick-hits-list li {
  margin-bottom: 8px;
}

.quick-hits-list a {
  color: var(--accent);
  text-decoration: none;
  font-size: 15px;
}

.quick-hits-list a:hover {
  text-decoration: underline;
}

.digest-preview {
  margin-top: 20px;
  margin-bottom: 20px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary-bg: #121212;
    --primary-fg: #ddd;
    --section-bg: #1a1a1a;
    --card-border: #333;
  }

  .wrapper {
    background-color: var(--primary-bg);
    border-color: var(--card-border);
  }

  .digest-preview .card {
    background-color: var(--section-bg);
    border-color: var(--card-border);
    box-shadow: 0 2px 4px rgba(255, 255, 255, 0.04);
  }

  .quick-hits-box {
    background-color: #1e1e1e;
    border: 1px solid #333;
    box-shadow: 0 2px 4px rgba(255, 255, 255, 0.05);
  }

  .quick-hits-title {
    color: #ddd;
  }

  .quick-hits-list a {
    color: #90c2ff;
  }

  .digest-preview .reflection {
    color: #aaa;
  }
}

@media (max-width: 576px) {
  .d-flex.align-items-center {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .d-flex.align-items-center .form-select {
    width: 100%;
    margin-bottom: 0.5rem;
  }
  .btn {
    width: 100%;
  }
}