/* hacktiming 미니멀 블로그 스타일 */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #0b7285;
  --border: #e2e2e2;
  --code-bg: #f5f5f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #e4e4e4;
    --muted: #9a9a9a;
    --accent: #4dc2d8;
    --border: #2e2e2e;
    --code-bg: #1e1e1e;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0 auto;
  max-width: 42rem;
  padding: 0 1.25rem;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.75;
  font-size: 1.0625rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

/* 헤더 */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
}
.site-name {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--fg);
}
.site-header nav { display: flex; gap: 1rem; }

/* 본문 */
main { padding: 2rem 0 3rem; min-height: 60vh; }

h1 { font-size: 1.75rem; line-height: 1.3; margin: 0 0 0.5rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 0.5rem; }
h3 { font-size: 1.0625rem; margin: 1.5rem 0 0.5rem; }
h2 a, h1 a { color: var(--fg); }

.meta, .muted { color: var(--muted); font-size: 0.9375rem; }
.breadcrumb { font-size: 0.9375rem; margin: 0 0 1.5rem; }

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

blockquote {
  margin: 1rem 0;
  padding: 0 1rem;
  border-left: 3px solid var(--border);
  color: var(--muted);
}

/* 코드 */
code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.875em;
  background: var(--code-bg);
  padding: 0.125em 0.375em;
  border-radius: 4px;
}
pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  line-height: 1.5;
}
pre code { background: none; padding: 0; }

/* 목록 페이지 */
.post-list, .model-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 1rem;
}
.post-list li {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: 0.25rem 0;
}
.post-list time {
  color: var(--muted);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.model-list li { padding: 0.25rem 0; }
.model-list .desc { color: var(--muted); font-size: 0.9375rem; }

/* 시각화 삽입 블록 */
.viz {
  margin: 1.5rem 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.viz button {
  font: inherit;
  font-size: 0.9375rem;
  padding: 0.25rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--code-bg);
  color: var(--fg);
  cursor: pointer;
}
.viz button:hover { border-color: var(--accent); color: var(--accent); }

/* 푸터 */
.site-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9375rem;
}