/* ============================================================
   Telescopure — Custom lobster.js theme
   Light base, engineer-friendly, section-grouped
   ============================================================ */

:root {
  --lbs-bg:           #f5f6f8;
  --lbs-surface:      #ffffff;
  --lbs-surface-alt:  #f0f2f5;
  --lbs-border:       #dde1e8;
  --lbs-accent:       #2563eb;
  --lbs-accent-light: #eff4ff;
  --lbs-accent-dark:  #1d4ed8;
  --lbs-text:         #1a1d23;
  --lbs-header-bg:    #111827;
  --lbs-footer-bg:    #1f2937;
  --lbs-code-bg:      #f3f4f6;
  --lbs-code-text:    #dc2626;
  --lbs-shadow:       0 1px 4px rgba(0,0,0,0.08);
  --lbs-shadow-md:    0 4px 16px rgba(0,0,0,0.10);

  --lbs-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --lbs-font-mono: "SF Mono", "Fira Code", "JetBrains Mono", Consolas, "Courier New", monospace;

  --lbs-radius:    8px;
  --lbs-radius-lg: 12px;
  --lbs-section-gap: 3rem;
}

/* ── Reset / base ─────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--lbs-bg);
  color: var(--lbs-text);
  font-family: var(--lbs-font-body);
  font-size: 16px;
  line-height: 1.75;
}

/* ── Content wrapper ──────────────────────────────────────── */

#content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Full-bleed: header and footer break out of max-width ─── */

.lbs-header,
.lbs-footer {
  width: 100vw;
  margin-left: 50%;
  transform: translateX(-50%);
}

/* ── Header ──────────────────────────────────────────────── */

.lbs-header {
  background: var(--lbs-header-bg);
  color: #ffffff;
  text-align: center;
  padding: 3.5rem 2rem 3rem;
  margin-bottom: 3rem;
  border-bottom: 3px solid var(--lbs-accent);
}

.lbs-header .lbs-heading-1 {
  color: #ffffff;
  font-size: 2.4rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.5px;
  border: none;
}

.lbs-header .lbs-paragraph {
  color: #9ca3af;
  font-size: 1.05rem;
  margin: 0 0 1.25rem;
}

.lbs-header a {
  display: inline-block;
  margin: 0.25rem 0.4rem;
  padding: 0.45rem 1.1rem;
  border-radius: var(--lbs-radius);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
}

.lbs-header a:first-of-type {
  background: var(--lbs-accent);
  color: #fff;
}

.lbs-header a:not(:first-of-type) {
  background: rgba(255,255,255,0.1);
  color: #d1d5db;
  border: 1px solid rgba(255,255,255,0.15);
}

.lbs-header a:hover { opacity: 0.85; }

.lbs-header .lbs-image {
  display: inline;
  vertical-align: middle;
  border-radius: 6px;
}

/* ── Footer ──────────────────────────────────────────────── */

.lbs-footer {
  background: var(--lbs-footer-bg);
  color: #9ca3af;
  text-align: center;
  padding: 2rem 2rem 4rem;
  margin-top: var(--lbs-section-gap);
  border-top: 3px solid var(--lbs-accent);
}

.lbs-footer .lbs-paragraph {
  color: #9ca3af;
  font-size: 0.9rem;
  margin: 0 0 0.5rem;
}

.lbs-footer a { color: #60a5fa; text-decoration: none; font-weight: 500; }
.lbs-footer a:hover { text-decoration: underline; }

/* ── Headings ─────────────────────────────────────────────── */

.lbs-heading-1,
.lbs-heading-2,
.lbs-heading-3,
.lbs-heading-4 {
  font-weight: 700;
  line-height: 1.3;
  margin: 2rem 0 0.75rem;
  color: var(--lbs-text);
}

.lbs-heading-2 {
  font-size: 1.55rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--lbs-border);
  margin-top: var(--lbs-section-gap);
}

.lbs-heading-3 {
  font-size: 1.15rem;
  color: var(--lbs-accent-dark);
}

/* ── Horizontal rule ─────────────────────────────────────── */

.lbs-hr {
  border: none;
  border-top: 1px dashed var(--lbs-border);
  margin: 1.5rem 0;
}

/* ── Paragraph ───────────────────────────────────────────── */

.lbs-paragraph { margin: 0 0 1rem; }

/* ── Links ───────────────────────────────────────────────── */

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

/* ── Inline code ─────────────────────────────────────────── */

.lbs-code-span {
  background: var(--lbs-code-bg);
  color: var(--lbs-code-text);
  font-family: var(--lbs-font-mono);
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  border: 1px solid var(--lbs-border);
}

/* ── Code block ──────────────────────────────────────────── */

.lbs-code-block {
  background: #1e2433;
  border-radius: var(--lbs-radius);
  overflow: hidden;
  margin: 1.25rem 0;
  box-shadow: var(--lbs-shadow-md);
}

.lbs-code-filename {
  background: #161c2a;
  color: #6b7280;
  font-family: var(--lbs-font-mono);
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid #2d3748;
}

.lbs-code-block pre { margin: 0; padding: 1.25rem 1.5rem; overflow-x: auto; }
.lbs-code-block code {
  font-family: var(--lbs-font-mono);
  font-size: 0.88rem;
  color: #e2e8f0;
  line-height: 1.65;
}

/* ── Blockquote ──────────────────────────────────────────── */

.lbs-blockquote {
  border-left: 4px solid var(--lbs-accent);
  background: var(--lbs-accent-light);
  margin: 1.25rem 0;
  padding: 0.75rem 1.25rem;
  border-radius: 0 var(--lbs-radius) var(--lbs-radius) 0;
}

.lbs-blockquote .lbs-paragraph { margin: 0; color: #374151; }

/* ── Lists ───────────────────────────────────────────────── */

.lbs-ul, .lbs-ol { padding-left: 1.5rem; margin: 0 0 1rem; }
.lbs-list-item { margin-bottom: 0.35rem; }

/* ── Table (standard) ────────────────────────────────────── */

.lbs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
  box-shadow: var(--lbs-shadow);
  border-radius: var(--lbs-radius);
  overflow: hidden;
}

.lbs-table thead th {
  background: var(--lbs-header-bg);
  color: #d1d5db;
  font-weight: 600;
  padding: 0.65rem 1rem;
  text-align: left;
  letter-spacing: 0.03em;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.lbs-table tbody tr { background: var(--lbs-surface); }
.lbs-table tbody tr:nth-child(even) { background: var(--lbs-surface-alt); }
.lbs-table td { padding: 0.6rem 1rem; border-top: 1px solid var(--lbs-border); }

/* ── Table (silent — Warp layout grid) ──────────────────── */
/* Content lives in <thead><tr><th> — warp_ref nodes render there */

.lbs-table-silent {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  table-layout: fixed;
  width: 100%;
}

/* th contains the actual warp content */
.lbs-table-silent th {
  border: none !important;
  background: transparent !important;
  font-weight: inherit !important;
  text-transform: none !important;
  font-size: inherit !important;
  color: inherit !important;
  padding: 0 0.5rem 0 0 !important; /* gap between columns via right padding */
  vertical-align: top !important;
}

.lbs-table-silent th:last-child {
  padding-right: 0 !important;
}

/* Warp blocks fill full cell height */
.lbs-table-silent th > .lbs-warp {
  height: 100%;
}

/* Screenshot cells: center image and caption */
.lbs-table-silent th > .lbs-warp:has(.lbs-image) {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem;
}

.lbs-table-silent .lbs-image {
  margin: 0 auto;
  display: block;
}

/* td (alignment row content) — invisible */
.lbs-table-silent td {
  padding: 0 !important;
  border: none !important;
  background: transparent !important;
}

/* ── Warp blocks ─────────────────────────────────────────── */

.lbs-warp {
  background: var(--lbs-surface);
  border: 1px solid var(--lbs-border);
  border-radius: var(--lbs-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--lbs-shadow);
}

/* ── Details / summary ───────────────────────────────────── */

.lbs-details {
  background: var(--lbs-surface);
  border: 1px solid var(--lbs-border);
  border-radius: var(--lbs-radius);
  padding: 0.75rem 1.25rem;
  margin: 1.25rem 0;
}

.lbs-summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--lbs-accent-dark);
  list-style: none;
  padding: 0.25rem 0;
  user-select: none;
}

.lbs-summary::before { content: "▶ "; font-size: 0.75em; }
.lbs-details[open] .lbs-summary::before { content: "▼ "; }
.lbs-details[open] { padding-bottom: 1rem; }

/* ── Images ──────────────────────────────────────────────── */

.lbs-image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--lbs-radius);
}

/* ── Strong / emphasis ───────────────────────────────────── */

.lbs-strong { font-weight: 700; }
.lbs-emphasis { font-style: italic; }

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 640px) {
  #content { padding: 0 1rem; }
  .lbs-header { padding: 2.5rem 1rem 2rem; }
  .lbs-heading-1 { font-size: 1.8rem; }
  .lbs-heading-2 { font-size: 1.3rem; }

  /* Stack warp columns vertically on small screens */
  .lbs-table-silent,
  .lbs-table-silent tbody,
  .lbs-table-silent tr,
  .lbs-table-silent td {
    display: block !important;
    width: 100% !important;
    border-spacing: 0 !important;
    margin: 0 !important;
  }
  .lbs-table-silent td { margin-bottom: 0.75rem !important; }

  .lbs-table { font-size: 0.82rem; }
  .lbs-table thead th,
  .lbs-table td { padding: 0.5rem 0.65rem; }
}