/* ---------------------------------------------------------------------------
 * lwid — Documentation page styles
 *
 * Supplements style.css. Uses the same custom properties.
 * --------------------------------------------------------------------------- */

/* ---------------------------------------------------------------------------
 * Nav bar
 * --------------------------------------------------------------------------- */

.docs-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 52px;
  padding: 0 1.25rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.docs-nav__brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.04em;
}

.docs-nav__sep {
  color: var(--text-subtle);
  font-size: 0.9rem;
}

.docs-nav__page {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.docs-nav__spacer {
  flex: 1;
}

.docs-nav__link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius);
}
.docs-nav__link:hover {
  color: var(--text);
  background: var(--bg-hover);
}

/* ---------------------------------------------------------------------------
 * Page layout
 * --------------------------------------------------------------------------- */

.docs {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ---------------------------------------------------------------------------
 * Hero
 * --------------------------------------------------------------------------- */

.docs__hero {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.docs__hero h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.docs__hero p {
  margin-top: 0.5rem;
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ---------------------------------------------------------------------------
 * Sections
 * --------------------------------------------------------------------------- */

.docs__section {
  margin-bottom: 3rem;
}

.docs__section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.docs__section h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}

.docs__section h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 1.25rem;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
}

.docs__section p {
  margin-bottom: 0.65rem;
  line-height: 1.7;
  color: var(--text);
}

.docs__section ul,
.docs__section ol {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  line-height: 1.7;
}

.docs__section li {
  margin-bottom: 0.25rem;
}

.docs__section code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 0.15rem 0.35rem;
  background: var(--bg-raised);
  border-radius: 3px;
  color: var(--accent);
}

.docs__section a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.docs__section a:hover {
  color: var(--accent-hover);
}

/* ---------------------------------------------------------------------------
 * Cards (security features)
 * --------------------------------------------------------------------------- */

.docs__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.docs__card {
  padding: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.docs__card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 0.75rem;
  margin-bottom: 0.4rem;
}

.docs__card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.docs__card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
}

.docs__card-icon--green {
  background: rgba(63, 185, 80, 0.12);
  color: var(--green);
}

.docs__card-icon--blue {
  background: var(--accent-dim);
  color: var(--accent);
}

.docs__card-icon--purple {
  background: rgba(163, 113, 247, 0.12);
  color: #a371f7;
}

/* ---------------------------------------------------------------------------
 * Architecture diagram
 * --------------------------------------------------------------------------- */

.docs__diagram {
  margin: 1rem 0;
  overflow-x: auto;
}

.docs__ascii {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow-x: auto;
  white-space: pre;
}

/* ---------------------------------------------------------------------------
 * Details / accordion
 * --------------------------------------------------------------------------- */

.docs__details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.docs__details details {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.docs__details summary {
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.1s;
}
.docs__details summary:hover {
  background: var(--bg-hover);
}

.docs__details details[open] summary {
  border-bottom: 1px solid var(--border);
}

.docs__details details > p,
.docs__details details > ul {
  padding: 0.75rem 1rem 0;
  font-size: 0.88rem;
}

.docs__details details > p:last-child,
.docs__details details > ul:last-child {
  padding-bottom: 0.75rem;
}

/* ---------------------------------------------------------------------------
 * Code blocks
 * --------------------------------------------------------------------------- */

.docs__code {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  overflow-x: auto;
  margin-bottom: 0.75rem;
}

.docs__code code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text);
  background: none;
  padding: 0;
}

/* ---------------------------------------------------------------------------
 * Callout
 * --------------------------------------------------------------------------- */

.docs__callout {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.docs__callout--warn {
  background: rgba(210, 153, 34, 0.1);
  border: 1px solid rgba(210, 153, 34, 0.3);
  color: #d2992a;
}

/* ---------------------------------------------------------------------------
 * Tables
 * --------------------------------------------------------------------------- */

.docs__table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.75rem;
  font-size: 0.88rem;
}

.docs__table th,
.docs__table td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.docs__table th {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--bg-surface);
}

.docs__table td code {
  font-size: 0.82em;
}

/* ---------------------------------------------------------------------------
 * Footer
 * --------------------------------------------------------------------------- */

.docs-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.docs-footer a {
  color: var(--text-muted);
  text-decoration: none;
}
.docs-footer a:hover {
  color: var(--text);
}

/* ---------------------------------------------------------------------------
 * Responsive
 * --------------------------------------------------------------------------- */

@media (max-width: 600px) {
  .docs {
    padding: 1.25rem 1rem 3rem;
  }

  .docs__hero h1 {
    font-size: 1.5rem;
  }

  .docs__cards {
    grid-template-columns: 1fr;
  }

  .docs__ascii {
    font-size: 0.65rem;
  }
}