/* Knot docs — shared stylesheet
   Dark, IDE-friendly theme with a violet accent nodding to Twine's brand. */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --accent: #a371f7;
  --accent-hover: #bc8cff;
  --accent-soft: rgba(163, 113, 247, 0.12);
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --patreon: #ff424d;
  --kofi: #ff5e5b;
  --discord: #5865f2;
  --max-width: 1080px;
  --nav-height: 60px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

code, pre, .mono {
  font-family: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code",
    Menlo, Consolas, monospace;
  font-size: 0.92em;
}

code {
  background: var(--surface-2);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--border);
}

pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
}
pre code { background: none; border: none; padding: 0; }

/* ---------- Top nav ---------- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-height);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
}
.topnav .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}
.brand:hover { text-decoration: none; color: var(--text); }
.brand .brand-icon {
  width: 22px;
  height: 22px;
  max-width: 22px;
  max-height: 22px;
  flex-shrink: 0;
  object-fit: contain;
  border-radius: 4px;
  display: block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-dim);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); }

/* ---------- Layout ---------- */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}
main > h1 {
  font-size: 2.4rem;
  line-height: 1.2;
  margin: 0 0 0.4em;
  letter-spacing: -0.02em;
}
main > h2 {
  font-size: 1.6rem;
  margin: 2.5em 0 0.6em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}
main > h3 { font-size: 1.2rem; margin: 1.8em 0 0.5em; }
main > p { margin: 0.8em 0; }
main > ul, main > ol { margin: 0.8em 0; padding-left: 1.5em; }
main li { margin: 0.3em 0; }

.lead { font-size: 1.15rem; color: var(--text-dim); max-width: 70ch; }

/* ---------- Hero (landing) ---------- */
.hero {
  text-align: center;
  padding: 64px 0 48px;
}
.hero h1 {
  font-size: 3rem;
  margin: 0 0 0.4em;
  letter-spacing: -0.03em;
}
.hero .tagline {
  font-size: 1.25rem;
  color: var(--text-dim);
  max-width: 60ch;
  margin: 0 auto 2em;
}
.hero .cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: all 0.15s;
}
.btn:hover { text-decoration: none; background: var(--surface-2); color: var(--text); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 2em 0;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin-top: 0; color: var(--text); }
.card p { color: var(--text-dim); margin: 0.5em 0 0; font-size: 0.95rem; }
.card .icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: var(--accent-soft);
  border-radius: 8px;
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 12px;
}
.card .icon .bi { line-height: 1; }

/* Inline Bootstrap Icons inside callouts — colored to match the callout tone */
.callout .bi { color: var(--accent); margin-right: 4px; vertical-align: -0.05em; }
.callout.warn .bi { color: var(--warning); }

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95rem;
}
th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
th { background: var(--surface); color: var(--text-dim); font-weight: 600; font-size: 0.85em; text-transform: uppercase; letter-spacing: 0.05em; }
tr:hover td { background: var(--surface); }

/* ---------- Badges (status pills) ---------- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border);
}
.badge-ok { background: rgba(63, 185, 80, 0.12); color: var(--success); border-color: var(--success); }
.badge-partial { background: rgba(210, 153, 34, 0.12); color: var(--warning); border-color: var(--warning); }

/* ---------- Callouts ---------- */
.callout {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  margin: 1.5em 0;
  color: var(--text);
}
.callout.warn {
  background: rgba(210, 153, 34, 0.1);
  border-color: var(--warning);
}
.callout p { margin: 0.4em 0; }
.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

/* ---------- Support buttons ---------- */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 2em 0;
}
.support-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.support-card h3 { margin: 0; }
.support-card .price { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.support-card .desc { color: var(--text-dim); font-size: 0.95rem; flex-grow: 1; }
.support-card ul { padding-left: 1.2em; font-size: 0.9rem; color: var(--text-dim); }
.support-card ul li { margin: 0.25em 0; }

.btn-patreon { background: var(--patreon); border-color: var(--patreon); color: #fff; }
.btn-patreon:hover { background: #ff5c66; border-color: #ff5c66; color: #fff; }
.btn-kofi { background: var(--kofi); border-color: var(--kofi); color: #fff; }
.btn-kofi:hover { background: #ff7a77; border-color: #ff7a77; color: #fff; }
.btn-discord { background: var(--discord); border-color: var(--discord); color: #fff; }
.btn-discord:hover { background: #6970f5; border-color: #6970f5; color: #fff; }

/* ---------- Sponsors page (markdown render) ---------- */
.markdown-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 40px;
}
.markdown-body h1 { font-size: 2rem; margin-top: 0; }
.markdown-body h2 { font-size: 1.4rem; margin-top: 2em; padding-bottom: 0.3em; border-bottom: 1px solid var(--border); }
.markdown-body h3 { font-size: 1.1rem; margin-top: 1.5em; }
.markdown-body img {
  max-width: 64px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 8px;
}
.markdown-body a { color: var(--accent); }
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.markdown-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 1em 0;
  padding: 0.5em 1em;
  color: var(--text-dim);
  background: var(--accent-soft);
  border-radius: 0 6px 6px 0;
}
.markdown-body code { background: var(--surface-2); padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.9em; }
.markdown-body pre { background: var(--bg); }
.markdown-body ul { padding-left: 1.5em; }
.markdown-body table th { background: var(--surface-2); }
#supporters-status {
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 1.5em;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
}
#supporters-status.error { color: var(--danger); border-color: var(--danger); background: rgba(248, 81, 73, 0.08); }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  color: var(--text-dim);
  font-size: 0.9rem;
}
footer .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
  justify-content: space-between;
}
footer .links { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--text-dim); }
footer a:hover { color: var(--accent); }

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .topnav { padding: 0 16px; overflow-x: auto; }
  .topnav .wrap { gap: 16px; }
  .nav-links { gap: 0; }
  .nav-links a { padding: 8px 8px; font-size: 0.88rem; }
  main { padding: 32px 16px 60px; }
  main > h1 { font-size: 1.8rem; }
  .hero { padding: 32px 0; }
  .hero h1 { font-size: 2.2rem; }
  .hero .tagline { font-size: 1.05rem; }
  .markdown-body { padding: 20px; }
}