/* Chromaform Documentation — Shared Styles */
:root {
  --bg: #111111;
  --sidebar: #1a1a1a;
  --panel: #1e1e1e;
  --border: #333333;
  --accent: #3b82f6;
  --accent-dim: rgba(59,130,246,0.15);
  --text1: #eeeeee;
  --text2: #888888;
  --text3: #555555;
  --code-bg: #252525;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text1);
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
}

/* Sidebar TOC */
nav.toc {
  position: fixed;
  top: 0; left: 0;
  width: 260px;
  height: 100vh;
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 24px 0;
  z-index: 10;
}

nav.toc .logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

nav.toc .logo img {
  border-radius: 8px;
  margin-bottom: 8px;
}

nav.toc .logo h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text1);
  letter-spacing: 0.5px;
}

nav.toc .logo p {
  font-size: 11px;
  color: var(--text2);
  margin-top: 2px;
}

nav.toc ul {
  list-style: none;
  padding: 0 12px;
}

nav.toc li { margin: 1px 0; }

nav.toc a {
  display: block;
  padding: 6px 12px;
  color: var(--text2);
  text-decoration: none;
  font-size: 13px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

nav.toc a:hover { background: var(--accent-dim); color: var(--text1); }
nav.toc a.active { background: var(--accent); color: white; }

nav.toc .section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 12px 4px;
}

/* Main content */
main {
  margin-left: 260px;
  flex: 1;
  padding: 48px 64px;
  max-width: 860px;
}

main h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text1);
}

main h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--text1);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

main h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--accent);
}

main p {
  margin: 8px 0;
  color: var(--text2);
  font-size: 14px;
}

main p.lead {
  font-size: 16px;
  color: var(--text1);
  line-height: 1.7;
}

main ul, main ol {
  margin: 8px 0 8px 24px;
  color: var(--text2);
  font-size: 14px;
}

main li { margin: 4px 0; }

main strong { color: var(--text1); }

main code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: 'SF Mono', Menlo, monospace;
}

main .tip {
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  border-radius: 0 6px 6px 0;
  margin: 16px 0;
  font-size: 13px;
}

main .tip strong { color: var(--accent); }

main .screenshot {
  margin: 20px 0;
  text-align: center;
}

main .screenshot img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

main .screenshot figcaption {
  font-size: 12px;
  color: var(--text3);
  margin-top: 8px;
}

main table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
}

main th {
  text-align: left;
  padding: 8px 12px;
  background: var(--panel);
  color: var(--text1);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

main td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
}

main .kbd {
  display: inline-block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  font-family: 'SF Mono', Menlo, monospace;
  color: var(--text1);
}

/* Footer */
footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text3);
}

/* Prev / Next */
.prev-next {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.prev-next a {
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 0;
  transition: color 0.15s;
}
.prev-next a:hover { color: var(--text1); }
.prev-next .pn-next { margin-left: auto; }

/* Print / PDF */
@media print {
  nav.toc { display: none; }
  main { margin-left: 0; padding: 24px; max-width: 100%; }
  body { background: white; color: #222; }
  main h1, main h2, main h3, main strong { color: #111; }
  main p, main ul, main ol, main td { color: #444; }
  main .tip { background: #f0f4ff; border-left-color: #3b82f6; }
  main .screenshot img { box-shadow: none; border: 1px solid #ddd; }
}