/* ============================================================
   PERCEPTIONx — pkgdown custom styles
   pkgdown >= 2.2 layout: <main id="main" class="col-md-9"> +
   <aside class="col-md-3"> (sidebar). Body has NO page class.
   Sidebar policy: never occupies layout space. It is hidden by
   default and, on demand, pops out as a floating right panel
   (toggled by the button created in extra.js).
   ============================================================ */

/* ---------- Typography ---------- */
p, li {
  line-height: 1.7;
}
h1, h2, h3, h4 {
  letter-spacing: -0.01em;
}

/* Navbar (tabs + package name) in the serif heading face */
.navbar {
  font-family: "Lora", Georgia, serif;
}
.navbar-brand {
  font-weight: 700;
}

/* ---------- Layout: content full width and centred ---------- */
main#main {
  padding-top: 28px;
}
@media (min-width: 992px) {
  main#main {
    flex: 0 0 100%;
    width: 100% !important;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ---------- Home hero logo (next to the title) ---------- */
main#main img.logo {
  width: 160px;
  height: 160px;
}

/* ---------- Paragraph & list breathing room ---------- */
main#main p {
  margin-bottom: 1rem;
}
main#main li {
  margin-bottom: 0.6rem;
}
main#main ul,
main#main ol {
  margin-bottom: 1rem;
}

/* Hide the auto-generated image captions (pkgdown repeats the alt text
   under every figure; the real description already follows the image). */
main#main .figcaption {
  display: none;
}

/* ---------- Sidebar: hidden by default, floating panel on demand ---------- */
@media (min-width: 992px) {
  aside.col-md-3 {
    display: none;
  }
  aside.col-md-3.toc-visible {
    display: block;
    position: fixed;
    top: 76px;
    right: 14px;
    z-index: 999;
    width: 264px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    background: #fff;
    border: 1px solid #e4e9f0;
    border-radius: 10px;
    box-shadow: 0 10px 32px rgba(11, 51, 82, 0.16);
    padding: 1rem 1.25rem 1.1rem;
  }
  /* Panel headings: small uppercase */
  aside.col-md-3.toc-visible h2,
  aside.col-md-3.toc-visible nav h2 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #94a0b5;
    margin-bottom: 0.5rem;
  }
}

/* ---------- Floating sidebar toggle button (extra.js) ---------- */
@media (min-width: 992px) {
  #toc-toggle-btn {
    display: flex;
    position: fixed;
    top: 76px;
    right: 14px;
    z-index: 1000;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #dbe2ea;
    background: #fff;
    color: #165c91;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(11, 51, 82, 0.12);
    transition: background 0.15s ease;
  }
  #toc-toggle-btn:hover {
    background: #f0f4f8;
  }
  #toc-toggle-btn.active {
    background: #165c91;
    color: #fff;
  }
}

/* ---------- Reference index: breathing room ---------- */
main#main table td {
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}

/* ---------- Code: quiet rounding ---------- */
pre, code {
  border-radius: 6px;
}