/* yaodub.com — "indie developer notebook". Warm cream, single blue accent,
   IBM Plex Sans/Mono, hairline borders. Light theme only (by design). */

:root {
  --bg: #fbfaf8;
  --ink: #1b1d21;
  --ink-2: #26282d;
  --muted: #55585f;
  --muted-2: #44474d;
  --faint: #86888f;
  --mono-muted: #9a9ca3;
  --faint-2: #b9bbc1;
  --accent: #2b47c7;
  --accent-dark: #1f37a6;
  --amber: #e8a400;
  --line: #e4e1d9;
  --sep: #d8d5cc;
  --hover: #f4f2ec;
  --card: #ffffff;
  --green: #2b7a3f;
  --green-bg: #e7f2ea;
  --code-bg: #1b1d21;
  --code-ink: #e9e7e1;
  --code-prompt: #7e97e8;
  --code-comment: #8c8f97;

  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1080px;
  --pad: 40px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
  line-height: 1.6;
}
::selection { background: #d7def7; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }
.ext { font-size: 0.85em; }

/* ---- header / footer ---------------------------------------------------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px var(--pad);
  border-bottom: 1px solid var(--line);
}
.logo {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.logo:hover { color: var(--ink); }
.logo .dot { color: var(--accent); }
.nav { display: flex; gap: 24px; }
.nav-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.nav-link:hover { color: var(--accent); }
.nav-link.active { color: var(--accent); }
.header-note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mono-muted);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  padding: 24px var(--pad);
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--mono-muted);
}
.site-footer .foot-name { color: var(--muted); }
.site-footer a { color: var(--mono-muted); }
.site-footer a:hover { color: var(--accent); }

/* ---- layout primitives -------------------------------------------------- */
main { display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.mono-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mono-muted);
}
.mono-label.accent { color: var(--accent); }
.mono-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
}

/* ---- hero (home) -------------------------------------------------------- */
.hero { max-width: var(--maxw); margin: 0 auto; padding: 78px var(--pad) 56px; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
}
.eyebrow.plain { color: var(--accent); }
.dot-amber { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.hero-title {
  margin: 0;
  max-width: 830px;
  font-size: 46px;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.025em;
}
.hero-sub { margin: 22px 0 0; max-width: 560px; font-size: 18px; line-height: 1.6; color: var(--muted); }

/* page heroes (blog / games) */
.page-head { max-width: var(--maxw); margin: 0 auto; padding: 64px var(--pad) 30px; }
.page-title { margin: 0; font-size: 40px; font-weight: 600; letter-spacing: -0.025em; }
.page-sub { margin: 16px 0 0; font-size: 17px; color: var(--muted); }

/* ---- NOW ---------------------------------------------------------------- */
.now {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px var(--pad);
}
.now-inner {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.now-inner > .mono-label { padding-top: 4px; }
.now-lead { margin: 0; font-size: 17px; line-height: 1.6; max-width: 620px; }
.now-lead strong { font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; font-family: var(--mono); font-size: 12px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--muted);
}
a.chip:hover { border-color: var(--accent); color: var(--muted); }
.chip .diamond { color: var(--accent); }

/* ---- generic block (home sections) ------------------------------------- */
.block { max-width: var(--maxw); margin: 0 auto; padding: 48px var(--pad) 8px; }
.block.games { padding: 46px var(--pad) 64px; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 6px; }

/* ---- post list rows (home + blog index) -------------------------------- */
.rows { display: block; border-top: 1px solid var(--line); }
.row {
  display: grid;
  grid-template-columns: 54px 1fr auto auto;
  align-items: baseline;
  gap: 20px;
  width: 100%;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.row:hover { background: var(--hover); color: var(--ink); }
.row .num { font-family: var(--mono); font-size: 12px; color: var(--faint-2); }
.row .row-title { font-size: 16px; font-weight: 500; letter-spacing: -0.01em; }
.row .summary { display: block; margin-top: 3px; font-size: 13px; font-weight: 400; color: var(--faint); }
.row .tags { font-family: var(--mono); font-size: 11px; letter-spacing: 0.02em; color: var(--mono-muted); }
.row .when { font-family: var(--mono); font-size: 11px; color: var(--mono-muted); white-space: nowrap; }
.row.tall { padding: 18px 4px; align-items: start; }

/* ---- blog index table --------------------------------------------------- */
.table-head {
  display: grid;
  grid-template-columns: 54px 1fr auto auto;
  gap: 20px;
  padding: 0 4px 10px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--faint-2);
}
.table-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 26px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mono-muted);
}
.tags-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; font-family: var(--mono); font-size: 11px; }
.tag-chip { padding: 5px 11px; background: var(--card); border: 1px solid var(--line); color: var(--muted); }
.tag-chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---- game cards --------------------------------------------------------- */
.game-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 30px;
  width: 100%;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--ink);
}
.game-card:hover { border-color: var(--accent); color: var(--ink); }
.thumb {
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  background: repeating-linear-gradient(45deg, #f2f0ea, #f2f0ea 8px, #eae7df 8px, #eae7df 16px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: #8c8f97;
  background: var(--bg);
  padding: 4px 9px;
  border: 1px solid var(--line);
}
.game-info { align-self: center; }
.game-info .title-row { display: flex; align-items: center; gap: 10px; }
.game-info h3 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.game-info p { margin: 10px 0 0; font-size: 15px; line-height: 1.55; color: var(--muted); max-width: 420px; }
.game-info .spec { margin-top: 14px; font-family: var(--mono); font-size: 11px; color: var(--mono-muted); }
.badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--green);
  background: var(--green-bg);
  padding: 3px 7px;
}

/* games index: bigger split card */
.game-feature {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  border: 1px solid var(--line);
  background: var(--card);
}
.game-feature .thumb { aspect-ratio: 4 / 3; border: none; border-right: 1px solid var(--line); }
.game-feature .detail { padding: 34px; align-self: center; }
.game-feature h2 { margin: 0; font-size: 30px; font-weight: 600; letter-spacing: -0.02em; }
.game-feature .title-row { display: flex; align-items: center; gap: 10px; }
.game-feature .desc { margin: 14px 0 0; font-size: 16px; line-height: 1.6; color: var(--muted-2); max-width: 380px; }
.spec-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 18px;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 12px;
}
.spec-grid .k { color: var(--mono-muted); }
.spec-grid .v { color: var(--muted-2); }
.btn-row { display: flex; gap: 10px; margin-top: 26px; }
.btn {
  font-family: var(--mono);
  font-size: 13px;
  padding: 11px 22px;
  letter-spacing: 0.02em;
}
.btn-primary { color: #fff; background: var(--accent); }
.btn-primary:hover { color: #fff; background: var(--accent-dark); }
.btn-ghost { color: var(--ink); background: var(--card); border: 1px solid var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: var(--accent); }
.next-note {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 34px 0 70px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mono-muted);
}
.next-note .rule { flex: 1; height: 1px; background: var(--line); }

/* ---- post page ---------------------------------------------------------- */
.post { max-width: 720px; margin: 0 auto; padding: 56px var(--pad) 20px; }
.post-back {
  display: inline-block;
  margin-bottom: 26px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.post-title { margin: 0; font-size: 38px; line-height: 1.15; font-weight: 600; letter-spacing: -0.025em; }
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mono-muted);
}
.post-meta .sep { color: var(--sep); }
.post-meta .m-tags { color: var(--accent); }

.post-body { max-width: 720px; margin: 0 auto; padding: 0 var(--pad) 24px; font-size: 18px; line-height: 1.72; color: var(--ink-2); }
.post-body > p:first-of-type { margin: 30px 0 0; font-size: 21px; line-height: 1.6; color: var(--ink); }
.post-body p { margin: 24px 0 0; }
.post-body h2 { margin: 40px 0 0; font-size: 24px; font-weight: 600; letter-spacing: -0.01em; }
.post-body h3 { margin: 32px 0 0; font-size: 19px; font-weight: 600; }
.post-body ul, .post-body ol { margin: 18px 0 0; padding-left: 24px; }
.post-body li { margin: 6px 0; }
.post-body a { text-decoration: underline; text-underline-offset: 2px; }
.post-body blockquote {
  margin: 30px 0;
  padding: 6px 0 6px 22px;
  border-left: 2px solid var(--accent);
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink);
}
.post-body img { max-width: 100%; height: auto; }
.post-body code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: #f1efe9;
  border: 1px solid var(--line);
  padding: 0.1em 0.4em;
}
.post-body pre {
  margin: 30px 0;
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
}
.post-body pre code { background: none; border: none; padding: 0; font-size: inherit; color: inherit; }

.post-nav { max-width: 720px; margin: 0 auto; padding: 24px var(--pad) 70px; }
.post-nav-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; border-top: 1px solid var(--line); padding-top: 24px; }
.pn {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 16px;
  color: var(--ink);
}
.pn:hover { border-color: var(--accent); color: var(--ink); }
.pn.next { text-align: right; }
.pn .pn-label { font-family: var(--mono); font-size: 11px; color: var(--mono-muted); }
.pn .pn-title { margin-top: 6px; font-size: 15px; font-weight: 500; }

.empty { color: var(--mono-muted); font-size: 15px; padding: 20px 4px; }

/* ---- section spacing wrappers ------------------------------------------- */
.page-head > .mono-label { margin-bottom: 18px; }
.block.games > .mono-label { margin-bottom: 18px; }
.index { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad) 70px; }
.games-wrap { max-width: var(--maxw); margin: 0 auto; padding: 10px var(--pad) 0; }
.game-feature + .game-feature { margin-top: 24px; }

/* ---- responsive --------------------------------------------------------- */
@media (max-width: 720px) {
  :root { --pad: 22px; }
  .hero { padding: 48px var(--pad) 36px; }
  .hero-title { font-size: 34px; }
  .page-title { font-size: 30px; }
  .post-title { font-size: 28px; }
  .header-note { display: none; }
  .now-inner { grid-template-columns: 1fr; gap: 14px; }
  .game-card { grid-template-columns: 1fr; gap: 18px; }
  .game-feature { grid-template-columns: 1fr; }
  .game-feature .thumb { border-right: none; border-bottom: 1px solid var(--line); }
  .row, .table-head { grid-template-columns: 36px 1fr auto; }
  .row .tags, .table-head .h-tags { display: none; }
  .post-nav-grid { grid-template-columns: 1fr; }
  .pn.next { text-align: left; }
}