/* H3Split — shared styles */
:root {
  --bg: #0c100f;
  --bg-2: #141a18;
  --bg-3: #1a211e;
  --fg: #e8e5dc;
  --fg-dim: #8b8a82;
  --fg-dimmer: #5c5a52;
  --accent: #ff8c42;
  --accent-dim: #5c3b22;
  --border: #2a302e;
  --border-light: #3a4240;
  --error: #e84a4a;
  --success: #4ae87a;
  --max-w: 940px;
  --max-w-prose: 680px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-image:
    radial-gradient(circle at 15% -10%, rgba(255,140,66,0.08), transparent 45%),
    radial-gradient(circle at 90% 110%, rgba(255,140,66,0.05), transparent 45%);
  background-attachment: fixed;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.15s; }
a:hover { opacity: 0.75; }

/* ─── nav ─────────────────────────────────────────── */
nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(12,16,15,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
nav.site-nav .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
nav.site-nav .brand {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--fg);
}
nav.site-nav .brand em { color: var(--accent); font-style: italic; }
nav.site-nav ul {
  display: flex;
  gap: 24px;
  list-style: none;
  align-items: center;
}
nav.site-nav ul a {
  color: var(--fg-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  transition: color 0.15s;
}
nav.site-nav ul a:hover,
nav.site-nav ul a.active { color: var(--accent); opacity: 1; }

/* ─── layout ──────────────────────────────────────── */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 56px 32px 80px;
  position: relative;
  z-index: 1;
}
main.prose { max-width: var(--max-w-prose); }

/* ─── typography ──────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
}
h1 { font-size: 56px; margin-bottom: 24px; }
h1 em { color: var(--accent); font-style: italic; }
h2 { font-size: 36px; margin-top: 48px; margin-bottom: 16px; }
h3 { font-size: 24px; margin-top: 32px; margin-bottom: 12px; }
h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  margin-top: 28px;
  margin-bottom: 10px;
}
p { margin-bottom: 18px; font-size: 14px; line-height: 1.75; color: var(--fg); }
p.lead {
  font-size: 17px;
  color: var(--fg-dim);
  margin-bottom: 32px;
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  line-height: 1.5;
}
.eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  display: block;
  margin-bottom: 16px;
}
ul.content, ol.content { margin: 0 0 20px 20px; }
ul.content li, ol.content li { font-size: 14px; line-height: 1.75; margin-bottom: 6px; }
code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 12px;
  color: var(--accent);
}
pre {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 20px;
  font-size: 12px;
  line-height: 1.6;
}
pre code { background: none; border: none; padding: 0; color: var(--fg); }
blockquote {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 20px 0;
  font-style: italic;
  color: var(--fg-dim);
}

/* ─── forms (tool page) ───────────────────────────── */
.field { margin-bottom: 28px; }
label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-dim);
  margin-bottom: 10px;
}
label .count { color: var(--accent); }
textarea, select, input[type=text] {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  padding: 14px 16px;
  border-radius: 2px;
  resize: vertical;
  transition: border-color 0.15s;
}
textarea { min-height: 180px; line-height: 1.55; }
textarea:focus, select:focus, input:focus { outline: none; border-color: var(--accent); }
select {
  cursor: pointer;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--fg-dim) 50%),
    linear-gradient(135deg, var(--fg-dim) 50%, transparent 50%);
  background-position: calc(100% - 18px) center, calc(100% - 13px) center;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 40px;
}
button {
  background: var(--accent);
  color: var(--bg);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  transition: opacity 0.15s, transform 0.05s;
}
button:hover { opacity: 0.88; }
button:active { transform: translateY(1px); }
button.ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 10px 16px;
  font-size: 11px;
}
button.ghost:hover { border-color: var(--accent); color: var(--accent); opacity: 1; }

.controls { display: flex; gap: 16px; align-items: end; margin-bottom: 32px; }
.controls .field { flex: 1; margin-bottom: 0; }
.output-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.stats { font-size: 11px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--fg-dim); }
.stats strong { color: var(--accent); font-weight: 500; font-size: 14px; margin-right: 4px; }
.error { color: var(--error); font-size: 12px; margin-top: 10px; display: none; line-height: 1.5; }
.error.show { display: block; }
.actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }

/* ─── cards (blog index) ──────────────────────────── */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); margin-top: 32px; }
@media (min-width: 720px) { .card-grid { grid-template-columns: 1fr 1fr; } }
.card {
  background: var(--bg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.15s;
}
.card:hover { background: var(--bg-2); }
.card a { color: var(--fg); display: block; }
.card .meta { font-size: 10px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--fg-dim); }
.card h3 { font-size: 22px; margin: 0 0 6px; }
.card p { font-size: 13px; color: var(--fg-dim); margin: 0; }

/* ─── callouts ────────────────────────────────────── */
.callout {
  background: var(--bg-2);
  border-left: 2px solid var(--accent);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 2px 2px 0;
}
.callout h4 { margin-top: 0; }
.callout p { margin-bottom: 0; font-size: 13px; }

/* ─── tables (docs) ───────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 13px;
}
th, td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
th { background: var(--bg-2); color: var(--fg-dim); text-transform: uppercase; font-size: 11px; letter-spacing: 0.1em; font-weight: 400; }

/* ─── ads ─────────────────────────────────────────── */
.ad-slot {
  margin: 40px 0;
  padding: 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 2px;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ad-slot .ad-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--fg-dimmer);
  position: absolute;
}
.ad-slot ins.adsbygoogle { display: block; width: 100%; }

/* ─── footer ──────────────────────────────────────── */
footer.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 80px;
  padding: 32px;
}
footer.site-footer .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}
footer.site-footer ul { list-style: none; display: flex; gap: 20px; flex-wrap: wrap; }
footer.site-footer a { color: var(--fg-dim); }
footer.site-footer a:hover { color: var(--accent); }
footer kbd {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 2px;
  font-family: inherit;
  font-size: 10px;
  color: var(--fg);
}

/* ─── decorative ──────────────────────────────────── */
.hex-deco {
  position: fixed;
  top: -60px; right: -60px;
  width: 360px; height: 360px;
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}
.hex-deco-2 {
  position: fixed;
  bottom: -80px; left: -80px;
  width: 280px; height: 280px;
  opacity: 0.04;
  pointer-events: none;
  z-index: 0;
}

/* ─── mobile ──────────────────────────────────────── */
@media (max-width: 640px) {
  h1 { font-size: 40px; }
  h2 { font-size: 28px; }
  h3 { font-size: 20px; }
  main { padding: 32px 20px 60px; }
  nav.site-nav .inner { padding: 12px 20px; gap: 12px; flex-wrap: wrap; }
  nav.site-nav ul { gap: 16px; }
  nav.site-nav ul a { font-size: 11px; }
  .controls { flex-direction: column; align-items: stretch; }
  footer.site-footer .inner { flex-direction: column; gap: 16px; }
}