/* ============================================================
   OUTBAND — Whitepaper Styles (screen + print)
   ============================================================ */

:root {
  --bg-primary: #0a0b0d;
  --bg-secondary: #101218;
  --bg-card: #15171e;
  --text-primary: #e8eaed;
  --text-secondary: #8b8fa3;
  --text-muted: #565a6e;
  --accent: #3b82f6;
  --border: #1e2130;
  --font-mono: 'IBM Plex Mono', 'SF Mono', ui-monospace, monospace;
  --font-serif: 'Instrument Serif', 'Georgia', serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }

/* --- Screen layout --- */
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  font-size: 15px;
}

.wp-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

/* Cover */
.wp-cover {
  text-align: center;
  padding: 6rem 0 4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}
.wp-cover-logo {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}
.wp-cover h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2.25rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.wp-cover .wp-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2rem;
}
.wp-cover .wp-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* TOC */
.wp-toc {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.wp-toc h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.wp-toc ol {
  padding-left: 1.25rem;
  counter-reset: toc;
}
.wp-toc li {
  list-style: none;
  counter-increment: toc;
  padding: 0.3rem 0;
}
.wp-toc li::before {
  content: counter(toc) ".";
  color: var(--text-muted);
  margin-right: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.wp-toc a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.wp-toc a:hover { color: var(--accent); }

/* Section headings */
.wp-section {
  margin-top: 3rem;
  margin-bottom: 1.5rem;
}
.wp-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.wp-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

/* Body text */
.wp-container p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.wp-container strong { color: var(--text-primary); }

/* Lists */
.wp-container ul, .wp-container ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.wp-container li {
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  list-style: disc;
}
.wp-container ol li { list-style: decimal; }

/* Code / mono */
.wp-container code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-card);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--text-primary);
}
.wp-container pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-secondary);
}
.wp-container pre code {
  background: none;
  padding: 0;
}

/* Tables */
.wp-container table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
}
.wp-container th {
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.6rem 0.75rem;
  border-bottom: 2px solid var(--border);
  font-size: 0.82rem;
}
.wp-container td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}

/* Blockquote (for callouts) */
.wp-container blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.5rem;
  background: rgba(59, 130, 246, 0.05);
  border-radius: 0 6px 6px 0;
}
.wp-container blockquote p {
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Footnotes */
.wp-footnotes {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.wp-footnotes h2 { font-size: 1.1rem; margin-bottom: 1rem; }
.wp-footnotes ol {
  padding-left: 1.5rem;
  font-size: 0.85rem;
}
.wp-footnotes li {
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
sup a { color: var(--accent); text-decoration: none; font-size: 0.75rem; }

/* --- Print styles --- */
@media print {
  body {
    background: white;
    color: #1a1a1a;
    font-size: 11pt;
    line-height: 1.6;
  }
  .wp-container {
    max-width: none;
    padding: 0;
  }
  .wp-cover {
    page-break-after: always;
    border-bottom: none;
    padding: 4in 0 0;
  }
  .wp-cover-logo { color: #333; }
  .wp-cover h1 { color: #111; }
  .wp-cover .wp-subtitle { color: #555; }
  .wp-cover .wp-meta { color: #888; }

  .wp-toc {
    page-break-after: always;
    border-bottom: none;
  }
  .wp-toc a { color: #333; }

  .wp-section { page-break-before: auto; }
  .wp-section h2 { border-bottom-color: #333; color: #111; }
  .wp-section h3 { color: #222; }
  .wp-container p { color: #333; }
  .wp-container strong { color: #111; }
  .wp-container li { color: #333; }
  .wp-container code { background: #f0f0f0; color: #111; }
  .wp-container pre { background: #f5f5f5; border-color: #ddd; color: #333; }
  .wp-container th { color: #111; border-bottom-color: #ccc; }
  .wp-container td { color: #333; border-bottom-color: #eee; }
  .wp-container blockquote { border-left-color: #333; background: #f9f9f9; }
  .wp-container blockquote p { color: #333; }

  a { color: #333; }
  a[href]::after { content: none; }
}