:root {
  --fg: #1a1a1a;
  --muted: #666;
  --bg: #fafafa;
  --card: #fff;
  --border: #e2e2e2;
  --accent: #2b6cb0;
  --accent-soft: #ebf4ff;
  --ok: #2f855a;
  --max: 1100px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.5 -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--max); margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.site-header { border-bottom: 1px solid var(--border); background: var(--card); }
.site-title { display: inline-block; padding: 1rem 1.25rem; font-weight: 700; color: var(--fg); }
.site-footer { text-align: center; color: var(--muted); padding: 2rem 1rem; }
.breadcrumb { color: var(--muted); font-size: .9rem; margin-bottom: 1rem; }
h1 { margin: .2rem 0 1rem; }

/* Home: chapter grid */
.chapter-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 1rem; margin-top: 2rem; }
.chapter-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem; display: flex; flex-direction: column; gap: .35rem; }
.chapter-card:hover { border-color: var(--accent); text-decoration: none; }
.chapter-card-title { font-weight: 600; color: var(--fg); }
.chapter-card-meta { color: var(--muted); font-size: .85rem; }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1rem 0 1.5rem; }
.filters label { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); gap: .25rem; }
.filters select { padding: .4rem .5rem; border: 1px solid var(--border); border-radius: 6px; background: var(--card); font-size: .9rem; }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 1.25rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.card:hover { border-color: var(--accent); text-decoration: none; }
.card-img { width: 100%; height: 160px; object-fit: contain; background: #f0f0f0; display: block; }
.card-title { font-weight: 600; color: var(--fg); padding: .6rem .7rem .1rem; font-size: .95rem; }
.card-meta { color: var(--muted); font-size: .78rem; padding: 0 .7rem .7rem; }
.empty-msg { color: var(--muted); margin-top: 1rem; }

/* Figure post */
.caption { font-size: 1.05rem; color: var(--fg); }
.tags { list-style: none; display: flex; gap: .5rem; flex-wrap: wrap; padding: 0; margin: .5rem 0 1.5rem; }
.tags li { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: .2rem .7rem; font-size: .8rem; }
.versions { display: flex; flex-direction: column; gap: 2rem; }
.version { margin: 0; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem; }
.version-tier { font-weight: 600; color: var(--muted); margin-bottom: .6rem; }
.version img { max-width: 100%; height: auto; display: block; margin: 0 auto; }

/* Comments */
#comments { margin-top: 3rem; border-top: 1px solid var(--border); padding-top: 1.5rem; }
.comment { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: .8rem 1rem; margin-bottom: .75rem; }
.comment.resolved { opacity: .65; }
.comment-head { display: flex; gap: .5rem; align-items: baseline; font-size: .85rem; color: var(--muted); margin-bottom: .35rem; flex-wrap: wrap; }
.comment-author { font-weight: 600; color: var(--fg); }
.comment-badge { color: var(--ok); font-weight: 600; }
.comment-body { white-space: pre-wrap; }
.comment-actions { margin-top: .5rem; display: flex; gap: .75rem; }
.comment-actions button { background: none; border: none; color: var(--accent); cursor: pointer; font-size: .82rem; padding: 0; }
.comment-actions button:hover { text-decoration: underline; }
.comment-form { margin-top: 1.5rem; display: flex; flex-direction: column; gap: .6rem; }
.comment-form textarea { width: 100%; min-height: 90px; padding: .6rem; border: 1px solid var(--border); border-radius: 8px; font: inherit; resize: vertical; }
.comment-form button { align-self: flex-start; background: var(--accent); color: #fff; border: none; border-radius: 8px; padding: .55rem 1.1rem; font: inherit; cursor: pointer; }
.comment-form button:disabled { opacity: .5; cursor: default; }
.loading, .error { color: var(--muted); }
.error { color: #c53030; }