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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", sans-serif;
  background: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

header {
  background: #fff;
  border-bottom: 1px solid #ddd;
  padding: 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.controls {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.controls input,
.controls select {
  padding: 6px 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.9rem;
}

#genre-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
}

#genre-nav a {
  display: inline-block;
  padding: 4px 12px;
  background: #e8e8e8;
  border-radius: 16px;
  text-decoration: none;
  color: #555;
  font-size: 0.85rem;
  white-space: nowrap;
}

#genre-nav a:hover {
  background: #333;
  color: #fff;
}

main {
  padding: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.loading {
  text-align: center;
  color: #999;
  padding: 40px;
}

.error {
  text-align: center;
  color: #c00;
  padding: 40px;
}

.genre-section {
  margin-bottom: 24px;
}

.genre-section h2 {
  font-size: 1.1rem;
  color: #555;
  border-bottom: 2px solid #333;
  padding-bottom: 4px;
  margin-bottom: 12px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 768px) {
  .cards {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  }
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 14px;
  border-left: 4px solid #ccc;
}

.card[data-importance="5"] { border-left-color: #c00; }
.card[data-importance="4"] { border-left-color: #e60; }
.card[data-importance="3"] { border-left-color: #fa0; }
.card[data-importance="2"] { border-left-color: #8bc34a; }
.card[data-importance="1"] { border-left-color: #ccc; }

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-title a {
  color: #1a0dab;
  text-decoration: none;
}

.card-title a:hover {
  text-decoration: underline;
}

.card-summary {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 6px;
}

.card-meta {
  display: flex;
  gap: 8px;
  font-size: 0.75rem;
  color: #999;
  flex-wrap: wrap;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.7rem;
}

.badge-importance {
  background: #333;
  color: #fff;
}

.badge-source {
  background: #e8e8e8;
  color: #555;
}

footer {
  text-align: center;
  padding: 16px;
  color: #999;
  font-size: 0.8rem;
}