:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1c1c1e;
  --muted: #6e6e73;
  --line: #e5e5ea;
  --link: #007aff;
  --shadow: rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #161618;
    --card: #232325;
    --text: #f2f2f7;
    --muted: #a1a1aa;
    --line: #333336;
    --link: #0a84ff;
    --shadow: rgba(0, 0, 0, 0.3);
  }
  :root:not([data-theme='light']) .on-light { display: none; }
  :root:not([data-theme='light']) .on-dark { display: block; }
}

:root[data-theme='dark'] {
  --bg: #161618;
  --card: #232325;
  --text: #f2f2f7;
  --muted: #a1a1aa;
  --line: #333336;
  --link: #0a84ff;
  --shadow: rgba(0, 0, 0, 0.3);
}
:root[data-theme='dark'] .on-light { display: none; }
:root[data-theme='dark'] .on-dark { display: block; }

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 'Inter', system-ui, sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 10vh 16px 6vh;
}

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

header { display: flex; align-items: center; gap: 20px; }
header img { width: 96px; height: 96px; border-radius: 50%; flex-shrink: 0; }
h1 { font-size: 1.5rem; margin: 0; line-height: 1.2; }
.aka { color: var(--muted); }
.intro { font-size: 1.05rem; margin: 1.5rem 0 0; }
.intro + .intro { margin-top: 0.75rem; }

h2 { font-size: 1.1rem; margin: 3rem 0 0.25rem; }

.group {
  background: var(--card);
  border-radius: 16px;
  box-shadow: 0 6px 20px var(--shadow);
  padding: 6px 20px;
  margin-top: 1rem;
}
.group-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
.group-head img { height: 30px; width: auto; }
.on-dark { display: none; }

.project {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.group-head + .project, .project:first-child { border-top: 0; }
.logo {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--bg);
}
.logo img { width: 30px; height: 30px; }
.logo.full img { width: 44px; height: 44px; border-radius: 12px; }
.project h3 { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 1rem; margin: 0 0 2px; }
.project p { margin: 0 0 6px; color: var(--muted); font-size: 0.92rem; }
.facts { font-size: 0.8rem; color: var(--muted); }
.facts b { font-weight: 400; color: var(--text); }

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.badge.live { color: #30a14e; border-color: #30a14e; }

ul { margin: 0; padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
li span { color: var(--muted); }

.stack {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px 16px;
  align-items: center;
  margin: 0.75rem 0 0;
}
.stack dt { color: var(--muted); font-size: 0.85rem; }
.stack dd { margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 12px;
  font-size: 0.88rem;
}

p { margin: 0.4rem 0; }
footer { margin-top: 3rem; color: var(--muted); font-size: 0.85rem; }

#theme {
  position: fixed;
  top: 1rem;
  right: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--text);
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  z-index: 1;
}

@media (max-width: 480px) {
  header img { width: 72px; height: 72px; }
  .stack { grid-template-columns: 1fr; gap: 6px; }
  .stack dd { margin-bottom: 8px; }
  .group { padding: 4px 16px; }
}

/* Blog */
.posts { list-style: none; padding: 0; margin: 0.75rem 0 0; }
.posts li { display: flex; gap: 16px; margin: 0.5rem 0; }
.posts time { color: var(--muted); font-size: 0.9rem; flex-shrink: 0; width: 96px; }
.all-posts { display: inline-block; margin-top: 0.5rem; font-size: 0.9rem; }

.back { font-size: 0.9rem; }
.post { max-width: 680px; }
.post h1 { font-size: 2rem; margin: 1.5rem 0 0.25rem; }
.post .meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 2rem; }
.post h2 { font-size: 1.35rem; margin: 2.5rem 0 0.5rem; }
.post h3 { font-size: 1.1rem; margin: 2rem 0 0.25rem; }
.post p, .post li { font-size: 1.05rem; line-height: 1.7; }
.post p { margin: 1rem 0; }
.post ul, .post ol { margin: 1rem 0; }
.post li span { color: inherit; }
.post blockquote { margin: 1.5rem 0; padding-left: 1rem; border-left: 3px solid var(--line); color: var(--muted); }
.post code { font-size: 0.9em; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 0.1em 0.35em; }
.post pre { padding: 14px 16px; border-radius: 12px; overflow-x: auto; font-size: 0.88rem; line-height: 1.55; }
.post pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.post img { max-width: 100%; border-radius: 12px; }
.post-end { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); }

@media (max-width: 480px) {
  .posts li { flex-direction: column; gap: 0; }
  .post h1 { font-size: 1.6rem; }
}