:root {
  --bg: #faf8f5; --surface: #ffffff; --text: #1f2328; --muted: #6a6f76;
  --border: #e6e1d9; --accent: #c2410c; --accent-soft: #fff1e8; --code: #f3efe9;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a; --surface: #1c1f23; --text: #e6e6e3; --muted: #9a9ea5;
    --border: #2c3036; --accent: #fb923c; --accent-soft: #2a1d14; --code: #23272c;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; }
a { color: var(--accent); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }

.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.top nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 15px; }
.top nav a:hover { color: var(--accent); }

.hero { padding: 48px 0 28px; max-width: 720px; }
.hero h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--muted); margin: 0 0 22px; }
.hero input { width: 100%; padding: 13px 16px; font-size: 16px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); outline: none; }
.hero input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.note { margin-top: 12px !important; font-size: 14px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; padding-bottom: 40px; }
.card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden; text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; }
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.thumb { aspect-ratio: 16/9; background: var(--code); overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-body { padding: 16px 18px 20px; }
.card h2 { font-size: 19px; line-height: 1.35; margin: 4px 0 8px; }
.card p { font-size: 14.5px; line-height: 1.55; color: var(--muted); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.meta { font-size: 13px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: .04em; }

.results { list-style: none; padding: 0; max-width: 760px; }
.results li { border-bottom: 1px solid var(--border); }
.results a { display: block; padding: 14px 0; text-decoration: none; color: var(--text); }
.results a b { display: block; margin-bottom: 4px; }
.results span { font-size: 14px; color: var(--muted); }
mark { background: var(--accent-soft); color: var(--accent); border-radius: 3px; padding: 0 2px; }

.issue-head { max-width: 720px; margin: 36px auto 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.orig { font-size: 14px; text-decoration: none; border: 1px solid var(--border); padding: 4px 12px; border-radius: 999px; }
.toc { max-width: 720px; margin: 16px auto 0; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 16px; font-size: 15px; }
.toc summary { cursor: pointer; font-weight: 600; }
.toc ul { margin: 8px 0 4px; padding-left: 20px; columns: 2; }

.prose { max-width: 720px; margin: 0 auto; padding: 8px 0 24px; overflow-wrap: break-word; }
.prose h1 { font-size: clamp(26px, 4.5vw, 36px); line-height: 1.25; letter-spacing: -0.02em; margin: 16px 0 20px; }
.prose h2 { font-size: 24px; margin: 44px 0 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.prose h3 { font-size: 19px; margin: 28px 0 8px; }
.prose img { display: block; margin: 18px auto; border-radius: 10px; }
.prose blockquote { margin: 18px 0; padding: 4px 18px; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 8px 8px 0; color: var(--muted); }
.prose code { background: var(--code); padding: 1px 5px; border-radius: 4px; font-size: .9em; }
.prose pre { background: var(--code); padding: 14px; border-radius: 10px; overflow-x: auto; }
.prose pre code { padding: 0; background: none; }
.prose table { display: block; overflow-x: auto; border-collapse: collapse; }
.prose td, .prose th { border: 1px solid var(--border); padding: 6px 10px; }

.pager { max-width: 720px; margin: 0 auto 40px; display: flex; justify-content: space-between; gap: 16px; }
.pager a { flex: 1; text-decoration: none; border: 1px solid var(--border); background: var(--surface); border-radius: 12px; padding: 12px 16px; font-weight: 600; font-size: 14px; }
.pager a span { display: block; color: var(--text); font-weight: 500; font-size: 15px; margin-top: 2px; }
.pager .right { text-align: right; }

.foot { border-top: 1px solid var(--border); padding-top: 18px; padding-bottom: 32px; font-size: 13px; color: var(--muted); }
.foot p { margin: 4px 0; }
@media (max-width: 600px) { .toc ul { columns: 1; } .pager { flex-direction: column; } }