/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Global typography ── */
body,
.wy-body-for-nav {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.7;
}

/* ── Content area: centred with breathing room on both sides ── */
.wy-nav-content {
  max-width: 1500px;
  margin: 0 auto;
  padding: 2rem 6rem;
  background: #ffffff;
}

.wy-nav-content-wrap {
  background: #ffffff;
}

/* ── Images: rounded, shadowed ── */
.rst-content img {
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,.14), 0 0 0 1px rgba(0,0,0,.06);
  display: block;
  margin: 1.5rem auto;
  max-width: 100%;
  height: auto;
}

/* Sidebar logo */
.wy-side-nav-search > a img.logo {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  width: 92% !important;
  max-width: 92% !important;
  height: auto !important;
  margin: 0.6rem auto 0.4rem !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  background: transparent !important;
}

/* ═══════════════════════════════════════
   SIDEBAR – colours only, don't fight RTD
   padding/margin via targeted overrides
   ═══════════════════════════════════════ */

.wy-nav-side {
  background: #1e2433;
  width: 320px;         /* slightly wider than RTD default 300px */
}

.wy-nav-content-wrap {
  margin-left: 320px;   /* must match sidebar width */
}

@media screen and (max-width: 768px) {
  .wy-nav-side  { width: 300px; }
  .wy-nav-content-wrap { margin-left: 0; }
}

/* ── Search block ── */
.wy-side-nav-search {
  background-color: #1a1f2e !important;
  padding: 1rem 0.75rem 0.9rem;
}

.wy-side-nav-search > a {
  color: #fff !important;
  font-weight: 700;
}

.wy-side-nav-search input[type=text] {
  border-radius: 6px;
  background: #111827;
  border-color: #374151;
  color: #e5e7eb;
}

/* ── Section caption labels ("GETTING STARTED" etc.) ──
   RTD forces: height:32px; line-height:32px; padding:0; white-space:nowrap
   Override every one of those so the caption can breathe.
   Captions are intentionally LARGER than the nav items below them. */
.wy-menu-vertical p.caption,
.wy-menu-vertical header {
  height: auto !important;
  line-height: 1.35 !important;
  white-space: normal !important;   /* allow long names to wrap */
  color: #c9d1d9 !important;        /* brighter than items so they stand out */
  font-size: 0.82rem !important;    /* bigger than L1 items (0.855rem normal → ~0.78rem effective uppercase) */
  font-weight: 800 !important;
  letter-spacing: 0.07em;
  text-transform: uppercase !important;
  padding: 1.4rem 1.1rem 0.5rem 1.1rem !important;
  margin: 0 !important;
  border-top: 1px solid #2d3748 !important;
  display: block !important;
}

/* no divider on the very first caption */
.wy-menu-vertical p.caption:first-child {
  border-top: none !important;
  padding-top: 0.75rem !important;
}

/* L1 items slightly smaller than captions */
.wy-menu-vertical li.toctree-l1 > a {
  font-size: 0.845rem;
}

/* ── All sidebar links: base colour ── */
.wy-menu-vertical a {
  color: #c9d1d9 !important;
}

/* ── L1 items (top-level pages) ── */
.wy-menu-vertical li.toctree-l1 > a {
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
  border-left: 3px solid transparent;
}

.wy-menu-vertical li.toctree-l1 > a:hover {
  background: #293044;
  color: #fff !important;
}

/* active L1 */
.wy-menu-vertical li.toctree-l1.current > a {
  background: #293044;
  border-left-color: #3b82f6 !important;
  color: #fff !important;
  font-weight: 600;
}

/* the sub-list background under the active L1 */
.wy-menu-vertical li.toctree-l1.current > ul {
  background: #19202e;
}

/* ── L2 items (sub-pages) ── */
.wy-menu-vertical li.toctree-l2 > a {
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  color: #8b98a9 !important;
  font-size: 0.855rem;
  border-left: 3px solid transparent;
}

.wy-menu-vertical li.toctree-l2 > a:hover {
  background: #222b3c;
  color: #c9d1d9 !important;
}

.wy-menu-vertical li.toctree-l2.current > a {
  color: #93c5fd !important;
  border-left-color: #60a5fa !important;
  background: #222b3c;
}

/* ── L3 items ── */
.wy-menu-vertical li.toctree-l3 > a {
  font-size: 0.83rem;
  color: #6b7280 !important;
}

/* ── Expand/collapse toggle icons ── */
.wy-menu-vertical .toctree-expand {
  color: #4b5563 !important;
}

.wy-menu-vertical li.current .toctree-expand {
  color: #6b7280 !important;
}

/* ═══════════════
   MAIN CONTENT
   ═══════════════ */

/* Headings */
.rst-content h1 {
  font-size: 1.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.rst-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 2.5rem;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 0.3rem;
}

.rst-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 1.8rem;
}

/* Code blocks */
.rst-content div[class^="highlight"],
.rst-content div[class*=" highlight"] {
  border-radius: 6px;
  border: 1px solid #e5e7eb;
  overflow: hidden;
}

.rst-content code.literal,
.rst-content tt.literal {
  background: #f3f4f6;
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.85em;
  color: #1f2937;
  border: 1px solid #e5e7eb;
}

/* Admonitions */
.rst-content .note,
.rst-content .important,
.rst-content .warning,
.rst-content .tip,
.rst-content .admonition {
  border-radius: 6px;
  border-left-width: 4px;
}

/* Tables */
.rst-content table.docutils {
  border-radius: 6px;
  overflow: hidden;
  font-size: 0.9rem;
  width: 100%;
}

.rst-content table.docutils thead th {
  background: #f3f4f6;
  font-weight: 600;
  border-bottom: 2px solid #d1d5db;
}

/* Footer */
footer {
  font-size: 0.82rem;
  color: #6b7280;
  border-top: 1px solid #e5e7eb;
  padding-top: 1rem;
  margin-top: 2rem;
}

footer a {
  color: #3b82f6;
  text-decoration: none;
}

footer a:hover { text-decoration: underline; }

/* Prev/Next buttons */
.rst-footer-buttons .btn-neutral {
  background: #f9fafb;
  color: #374151;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.85rem;
}

.rst-footer-buttons .btn-neutral:hover {
  background: #f3f4f6;
  color: #111827;
}