:root {
  --bg: #f4efe8;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-strong: #fffaf5;
  --border: rgba(44, 34, 24, 0.12);
  --text: #241d18;
  --muted: #6c6256;
  --accent: #a5482c;
  --accent-soft: #f2d8c9;
  --shadow: 0 18px 40px rgba(60, 37, 16, 0.08);
  --code-bg: #2a211c;
  --code-border: rgba(255, 240, 224, 0.1);
  --code-text: #f7efe5;
  --code-muted: #bfae9b;
  --code-keyword: #f7b267;
  --code-string: #9ad58b;
  --code-number: #f78c6c;
  --code-type: #7bdff2;
  --code-name: #f3f0e9;
  --code-comment: #8f7f70;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

:root[data-theme="dark"] {
  --bg: #161311;
  --surface: rgba(34, 29, 26, 0.78);
  --surface-strong: #221d1a;
  --border: rgba(255, 240, 224, 0.12);
  --text: #f6ede3;
  --muted: #cbbba8;
  --accent: #f18f67;
  --accent-soft: rgba(241, 143, 103, 0.16);
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
  --code-bg: #2a211c;
  --code-border: rgba(255, 240, 224, 0.1);
  --code-text: #f7efe5;
  --code-muted: #bfae9b;
  --code-keyword: #f7b267;
  --code-string: #9ad58b;
  --code-number: #f78c6c;
  --code-type: #7bdff2;
  --code-name: #f3f0e9;
  --code-comment: #8f7f70;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(165, 72, 44, 0.12), transparent 28rem),
    linear-gradient(180deg, #f7f2eb 0%, var(--bg) 100%);
  min-height: 100vh;
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgba(241, 143, 103, 0.14), transparent 28rem),
    linear-gradient(180deg, #211c19 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
  margin-inline: auto;
  border-radius: 1rem;
}

.shell {
  width: min(72rem, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  padding: 2rem 0 1rem;
}

.site-footer {
  padding: 0 0 1.25rem;
}

.footer-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  color: var(--muted);
  opacity: 0.72;
}

.footer-row a {
  text-decoration: none;
}

.title-row,
.hero-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-title {
  font-size: clamp(2rem, 4vw, 3.6rem);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.06em;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  font: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.site-description,
.hero-copy,
.card-meta,
.source-path,
.tag-row,
.meta-row,
.back-link {
  color: var(--muted);
}

.hero {
  padding: 2rem 0 3rem;
}

.post-header h1 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
  margin: 0.3rem 0 1rem;
  max-width: 14ch;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  color: var(--accent);
  margin: 0;
}

.meta-row,
.card-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.error {
  color: #8b1f1f;
}

.post-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
  padding-bottom: 4rem;
}

.post-card,
.empty-state,
.post-page {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.post-card,
.empty-state {
  padding: 1.3rem;
}

.post-card h2,
.empty-state h2 {
  margin: 0.8rem 0 0.5rem;
  font-size: 1.5rem;
  line-height: 1.1;
}

.source-path {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.post-page {
  padding: 1.8rem;
  margin-bottom: 4rem;
}

.markdown-body {
  font-size: 1.08rem;
  line-height: 1.75;
}

.markdown-body h2,
.markdown-body h3 {
  margin-top: 2rem;
  line-height: 1.1;
}

.markdown-body a {
  color: var(--accent);
}

.markdown-body p code,
.markdown-body li code {
  background: var(--accent-soft);
  padding: 0.1rem 0.35rem;
  border-radius: 0.4rem;
}

.markdown-body pre {
  overflow-x: auto;
}

.markdown-body .codehilite {
  margin: 1.5rem 0;
}

.markdown-body .codehilite pre {
  margin: 0;
  padding: 1rem 1.15rem;
  border-radius: 1rem;
  border: 1px solid var(--code-border);
  background: var(--code-bg);
  color: var(--code-text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.markdown-body .codehilite code {
  display: block;
  background: transparent;
  padding: 0;
  color: inherit;
}

.markdown-body .codehilite .hll {
  background: rgba(247, 178, 103, 0.16);
}

.markdown-body .codehilite .c,
.markdown-body .codehilite .ch,
.markdown-body .codehilite .cm,
.markdown-body .codehilite .c1,
.markdown-body .codehilite .cs {
  color: var(--code-comment);
  font-style: italic;
}

.markdown-body .codehilite .k,
.markdown-body .codehilite .kc,
.markdown-body .codehilite .kd,
.markdown-body .codehilite .kn,
.markdown-body .codehilite .kp,
.markdown-body .codehilite .kr,
.markdown-body .codehilite .kt {
  color: var(--code-keyword);
}

.markdown-body .codehilite .s,
.markdown-body .codehilite .sa,
.markdown-body .codehilite .sb,
.markdown-body .codehilite .sc,
.markdown-body .codehilite .dl,
.markdown-body .codehilite .sd,
.markdown-body .codehilite .s2,
.markdown-body .codehilite .se,
.markdown-body .codehilite .sh,
.markdown-body .codehilite .si,
.markdown-body .codehilite .sx,
.markdown-body .codehilite .sr,
.markdown-body .codehilite .s1,
.markdown-body .codehilite .ss {
  color: var(--code-string);
}

.markdown-body .codehilite .m,
.markdown-body .codehilite .mb,
.markdown-body .codehilite .mf,
.markdown-body .codehilite .mh,
.markdown-body .codehilite .mi,
.markdown-body .codehilite .il,
.markdown-body .codehilite .mo {
  color: var(--code-number);
}

.markdown-body .codehilite .n,
.markdown-body .codehilite .na,
.markdown-body .codehilite .nb,
.markdown-body .codehilite .bp,
.markdown-body .codehilite .nc,
.markdown-body .codehilite .nd,
.markdown-body .codehilite .ne,
.markdown-body .codehilite .nf,
.markdown-body .codehilite .fm,
.markdown-body .codehilite .nl,
.markdown-body .codehilite .nn,
.markdown-body .codehilite .nx,
.markdown-body .codehilite .py,
.markdown-body .codehilite .nt,
.markdown-body .codehilite .nv,
.markdown-body .codehilite .vc,
.markdown-body .codehilite .vg,
.markdown-body .codehilite .vi,
.markdown-body .codehilite .vm {
  color: var(--code-name);
}

.markdown-body .codehilite .o,
.markdown-body .codehilite .ow {
  color: var(--code-muted);
}

.markdown-body .codehilite .p,
.markdown-body .codehilite .w {
  color: var(--code-muted);
}

@media (max-width: 640px) {
  .hero {
    padding-top: 1rem;
  }

  .title-row,
  .hero-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .post-page {
    padding: 1.2rem;
  }
}