/* ─────────────────────────────────────────────────────────────────
 * Weft whitepaper styles
 * Layered on top of styles.css. Scoped to the whitepaper.html page.
 * ──────────────────────────────────────────────────────────────── */

.paper-header {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--border);
}

.paper-title {
  font-size: clamp(2.2rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--text);
}

.paper-meta {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 0;
}

.paper-body {
  padding: 4rem 0 6rem;
}

.paper-loading {
  text-align: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  padding: 4rem 0;
}

/* ── Prose content generated by marked.js ───────────────────────── */

.paper-content {
  font-size: 1.075rem;
  line-height: 1.75;
  color: var(--text);
}

.paper-content h1,
.paper-content h2,
.paper-content h3,
.paper-content h4 {
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--text);
}

.paper-content h1 {
  font-size: 2.2rem;
  margin: 3rem 0 1.25rem;
}

.paper-content h2 {
  font-size: 1.65rem;
  margin: 3.5rem 0 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.paper-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.paper-content h3 {
  font-size: 1.275rem;
  margin: 2.25rem 0 0.85rem;
  color: var(--accent);
}

.paper-content h4 {
  font-size: 1.05rem;
  margin: 1.85rem 0 0.75rem;
}

.paper-content p {
  margin: 0 0 1.25rem;
}

.paper-content ul,
.paper-content ol {
  margin: 0 0 1.5rem;
  padding-left: 1.4rem;
}

.paper-content li {
  margin-bottom: 0.45rem;
}

.paper-content strong {
  color: var(--text);
  font-weight: 700;
}

.paper-content em {
  font-style: italic;
}

.paper-content code {
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: var(--text);
}

.paper-content pre {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 1.5rem 1.75rem;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 1.5rem 0;
}

.paper-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.paper-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-style: italic;
}

/* Tables */

.paper-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  font-size: 0.94rem;
  font-family: var(--font-mono);
}

.paper-content thead th {
  background: #f5f3ec;
  text-align: left;
  padding: 0.75rem 0.9rem;
  border-bottom: 2px solid var(--border-strong);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.paper-content tbody td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

.paper-content tbody tr:hover {
  background: var(--accent-light);
}

.paper-content tbody tr:last-child td {
  border-bottom: none;
}

/* Horizontal rule */

.paper-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

/* Inline links */

.paper-content a {
  color: var(--accent);
  border-bottom: 1px solid rgba(10, 109, 125, 0.25);
}

.paper-content a:hover {
  border-bottom-color: var(--accent);
}

@media (max-width: 768px) {
  .paper-header {
    padding: 3rem 0 2rem;
  }

  .paper-body {
    padding: 2.5rem 0 4rem;
  }

  .paper-content {
    font-size: 1rem;
  }

  .paper-content h1 {
    font-size: 1.8rem;
  }

  .paper-content h2 {
    font-size: 1.4rem;
  }

  .paper-content table {
    font-size: 0.82rem;
  }

  .paper-content thead th,
  .paper-content tbody td {
    padding: 0.55rem 0.5rem;
  }

  .paper-content pre {
    padding: 1rem 1.25rem;
    font-size: 0.82rem;
  }
}