* { box-sizing: border-box; }
:root {
  color-scheme: light;
  --bg: #fff;
  --fg: #111;
  --muted: #555;
  --line: #222;
  --soft: #f5f5f5;
}
html { background: var(--bg); color: var(--fg); font-family: ui-serif, Georgia, "Times New Roman", "Noto Serif CJK KR", serif; font-size: 18px; line-height: 1.65; }
body { margin: 0; background: var(--bg); color: var(--fg); }
a { color: var(--fg); text-decoration: underline; text-underline-offset: 0.15em; }
button, input { font: inherit; color: var(--fg); background: var(--bg); border: 2px solid var(--line); border-radius: 0; }
button, .button { display: inline-block; min-height: 44px; padding: 0.45rem 0.75rem; border: 2px solid var(--line); background: var(--bg); text-decoration: none; }
input { width: 100%; min-height: 44px; padding: 0.45rem 0.6rem; }
.site-header { border-bottom: 3px solid var(--line); padding: 1rem; }
.site-header h1 { margin: 0; font-size: 1.7rem; line-height: 1.2; }
.site-header p, .meta, .note-meta { color: var(--muted); margin: 0.25rem 0 0; font-size: 0.95rem; }
.home-link { font-weight: 700; font-size: 1.15rem; text-decoration: none; }
.layout, .note { width: min(100%, 880px); margin: 0 auto; padding: 1rem; }
.offline-panel { border: 2px solid var(--line); padding: 0.8rem 1rem; margin-bottom: 1rem; }
.offline-panel h2 { margin: 0 0 0.25rem; font-size: 1.1rem; }
.offline-panel p { margin: 0.25rem 0 0.6rem; }
.offline-actions { display: grid; grid-template-columns: auto 1fr; gap: 0.65rem; align-items: center; }
progress { width: 100%; min-height: 1.2rem; accent-color: var(--fg); }
.search-panel { border-bottom: 2px solid var(--line); padding-bottom: 1rem; margin-bottom: 1rem; }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: 0.5rem; margin-top: 0.35rem; }
.quick-links, .pager, .note-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.quick-links a, .pager a, .note-nav a, .disabled { min-height: 44px; padding: 0.45rem 0.75rem; border: 2px solid var(--line); text-decoration: none; }
.disabled { color: var(--muted); border-color: #777; }
.note-list { list-style: none; padding: 0; margin: 0; }
.note-item { border-bottom: 1px solid var(--line); padding: 0.85rem 0; break-inside: avoid; }
.note-title { display: block; font-weight: 700; font-size: 1.08rem; line-height: 1.35; }
.note-item p { margin: 0.35rem 0 0; }
.simple-list { padding-left: 1.25rem; }
.simple-list li { margin: 0.45rem 0; }
.tag { display: inline-block; margin: 0 0.35rem 0.35rem 0; font-size: 0.95rem; }
.note-header { border-bottom: 2px solid var(--line); margin-bottom: 1rem; padding-bottom: 0.75rem; }
.note-header h1 { font-size: 1.55rem; line-height: 1.25; margin: 0 0 0.5rem; }
.toc { border: 2px solid var(--line); padding: 0.8rem 1rem; margin: 1rem 0; }
.toc h2 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.toc ul { margin: 0; padding-left: 1.2rem; }
.toc-l3 { margin-left: 1rem; }
.note-body h1, .note-body h2, .note-body h3 { line-height: 1.3; margin: 1.4rem 0 0.5rem; }
.note-body h1 { font-size: 1.45rem; }
.note-body h2 { font-size: 1.28rem; border-top: 2px solid var(--line); padding-top: 0.8rem; }
.note-body h3 { font-size: 1.12rem; }
.note-body p, .note-body li { overflow-wrap: anywhere; }
blockquote, .callout { border-left: 4px solid var(--line); margin: 1rem 0; padding: 0.1rem 0 0.1rem 0.85rem; background: var(--soft); }
.callout-title { font-weight: 700; margin: 0.35rem 0; }
pre { border: 2px solid var(--line); padding: 0.75rem; overflow-x: auto; background: var(--soft); line-height: 1.45; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.92em; }
mark { background: #ddd; color: var(--fg); padding: 0 0.1em; }
.table-wrap { overflow-x: auto; margin: 1rem 0; }
table { border-collapse: collapse; min-width: 100%; }
th, td { border: 1px solid var(--line); padding: 0.35rem 0.5rem; vertical-align: top; }
.embed-placeholder, .missing-link { font-weight: 700; border: 1px solid var(--line); padding: 0 0.2rem; }
details { border: 1px solid var(--line); padding: 0.6rem 0.8rem; margin: 1rem 0; }
summary { min-height: 44px; cursor: pointer; font-weight: 700; }
@media (max-width: 560px) {
  html { font-size: 17px; }
  .search-row { grid-template-columns: 1fr; }
  .offline-actions { grid-template-columns: 1fr; }
  .layout, .note { padding: 0.8rem; }
}
@media print {
  .search-panel, .quick-links, .pager, .note-nav { display: none; }
  body { font-size: 12pt; }
}