:root {
  --bg: #f5f5f7;
  --card-bg: #ffffff;
  --accent: #1f6feb;
  --text: #222;
  --muted: #666;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 16px 20px;
  background: var(--header-bg);
  color: var(--header-text);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 10;
}

header h1 {
  margin: 0 0 8px;
  font-size: 20px;
  color: var(--header-text);
}

header p {
  margin: 0;
  font-size: 13px;
  color: var(--header-text);
}

.search-bar {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.search-bar input[type="text"] {
  flex: 1;
  min-width: 0;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #ddd;
  font-size: 14px;
}

.search-bar select {
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid #ddd;
  font-size: 14px;
}

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

#result-count {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 10px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.03);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 8px;
  background: #ddd;
  margin-bottom: 8px;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--accent);
}

.card-category {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.card-summary {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  flex: 1;
}

.card-downloads {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 6px;
}

.tag-list {
  margin-bottom: 8px;
}

.tag {
  display:inline-block;
  padding:2px 6px;
  margin:0 4px 4px 0;
  border-radius:999px;
  font-size:11px;
  background:#eee;
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

/* すでにある他のCSSはそのまま */
.card-actions a {
  flex: 1;
  text-align: center;
  font-size: 12px;
  text-decoration: none;
  padding: 7px 8px;
  border-radius: 999px;
  border: 1px solid #ccc;
  color: var(--text);
  background: #fff;
}

/* ▼ ダウンロード系ボタンは専用カラーを使う */
.card-actions a.primary,
.download-btn {
  border-color: var(--button-bg, var(--accent));
  background: var(--button-bg, var(--accent));
  color: var(--button-text, #fff);
}

.pagination {
  margin: 16px 0;
  text-align: center;
  font-size: 13px;
}

.pagination .page-btn {
  display: inline-block;
  margin: 0 4px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: #fff;
  color: var(--accent);
  cursor: pointer;
}

.pagination .page-btn[disabled] {
  opacity: 0.4;
  cursor: default;
}

.pagination .page-info {
  margin: 0 8px;
}

#loading {
  font-size: 14px;
  color: var(--muted);
}