:root {
  color-scheme: light;
  --ground: #F2F4F6;
  --surface: #FFFFFF;
  --ink: #1B2330;
  --muted: #5C6878;
  --faint: #8B96A4;
  --line: #D8DEE5;
  --accent: #1E5A85;
  --accent-ink: #FFFFFF;
  --serif: "Gowun Batang", "Nanum Myeongjo", "Batang", serif;
  --sans: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Consolas", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --ground: #11151A;
    --surface: #192028;
    --ink: #E5E9EE;
    --muted: #A1ACB9;
    --faint: #74808E;
    --line: #2A333D;
    --accent: #86B6DA;
    --accent-ink: #0F1720;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  padding-inline: 16px;
  padding-block: env(safe-area-inset-top, 0px) calc(48px + env(safe-area-inset-bottom, 0px));
}
.wrap { max-width: 680px; margin: 0 auto; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Masthead */
.mast {
  padding-block: 56px 28px;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 6px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--faint);
}
.mast .home { color: inherit; text-decoration: none; }
.site-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 44px);
  line-height: 1.2;
  text-wrap: balance;
}
.tagline { color: var(--muted); margin: 0; }

/* Post list */
.posts { list-style: none; margin: 0; padding: 0; }
.post { padding-block: 36px; border-bottom: 1px solid var(--line); }
.posts .post:last-child { border-bottom: 0; }
.meta {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.post h2 {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.35;
  margin: 6px 0 12px;
  text-wrap: balance;
}
.post h2 a { color: inherit; text-decoration: none; }
.post h2 a:hover { color: var(--accent); }
.excerpt { margin: 0 0 10px; color: var(--muted); max-width: 65ch; overflow-wrap: anywhere; }
.more { font-size: 14px; text-decoration: none; }
.more:hover { text-decoration: underline; }
.count, .status { font-family: var(--mono); font-size: 12px; color: var(--faint); padding-top: 24px; }
.status { font-family: var(--sans); font-size: 15px; text-align: center; padding-block: 40px; }

/* Single post */
.single { border-bottom: 0; }
.single h1 {
  font-family: var(--serif);
  font-size: clamp(26px, 6vw, 34px);
  line-height: 1.35;
  margin: 8px 0 24px;
  text-wrap: balance;
}
.body { max-width: 65ch; overflow-wrap: anywhere; }
.body p { margin: 0 0 1.2em; }
.body h2, .body h3 { font-family: var(--serif); line-height: 1.4; margin: 1.8em 0 .6em; }
.body blockquote {
  margin: 1.2em 0;
  padding: 2px 0 2px 18px;
  border-left: 3px solid var(--line);
  color: var(--muted);
}
.body img { max-width: 100%; height: auto; border-radius: 6px; }
.body pre { overflow-x: auto; background: var(--surface); padding: 12px; border-radius: 6px; }

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.pager a { text-decoration: none; color: var(--ink); font-family: var(--serif); font-size: 15px; line-height: 1.5; }
.pager a span { display: block; font-family: var(--mono); font-size: 12px; color: var(--faint); }
.pager a:hover { color: var(--accent); }
.pager .next { text-align: right; grid-column: 2; }
.back { font-size: 14px; }
.back a { text-decoration: none; }

/* Write page */
.composer {
  margin-top: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  display: grid;
  gap: 10px;
}
.composer .label { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; color: var(--faint); }
input[type=text], textarea {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 6px 0;
  width: 100%;
}
input[type=text]:focus, textarea:focus { outline: none; border-bottom-color: var(--accent); }
#post-title { font-family: var(--serif); font-size: 22px; font-weight: 700; }
#post-body { min-height: 220px; resize: vertical; line-height: 1.8; }
.actions { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.hint { font-size: 13px; color: var(--faint); }
button {
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  padding: 7px 16px;
  font-weight: 500;
}
button:hover { filter: brightness(1.08); }
.howto { margin-top: 36px; }
.howto h2 { font-family: var(--serif); font-size: 20px; margin: 0 0 8px; }
.howto ol { padding-left: 1.3em; margin: 0 0 12px; }

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--faint);
  font-family: var(--mono);
}
footer a { color: var(--faint); }
footer .counter { display: inline-flex; gap: 6px; align-items: center; }
footer .counter img { display: block; height: 20px; }
footer a:hover { color: var(--accent); }