/* ═══════════════════════════════════════════════════════════════════════════
   JiveDB — User Guide layout
   Shared by every chapter under public/docs/guide/*.html and the guide index.

   Design tokens, fonts, header (.nav) and footer (.footer) are inherited from
   css/styles.css. Article typography (h2.sec, .toc, .callout, table, code)
   is inherited from css/legal.css. This file only adds guide-specific parts:
   the chapter sidebar, figures/captions, the chapter pager, and index cards.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Two-column layout: chapter sidebar + article (Mobile First) ────────────── */
.guide-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
  padding: 8px 24px 40px 24px;
}
@media (min-width: 560px) {
  .guide-layout {
    gap: 24px;
  }
}
@media (min-width: 860px) {
  .guide-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 40px;
  }
}

.guide-nav {
  position: static;
  padding: 18px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  max-height: none;
  overflow-y: visible;
}
@media (min-width: 860px) {
  .guide-nav {
    position: sticky;
    top: 84px;
    max-height: calc(100vh - 104px);
    overflow-y: auto;
  }
}
.guide-nav h2 {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted); margin: 0 0 10px;
}
.guide-nav ol { list-style: none; margin: 0; padding: 0; counter-reset: chapter; }
.guide-nav li { margin: 1px 0; }
.guide-nav li.is-index { margin-bottom: 8px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.guide-nav a {
  display: block; padding: 6px 8px; border-radius: var(--r-sm);
  font-size: 13.5px; color: var(--ink-soft); text-decoration: none; line-height: 1.4;
}
.guide-nav a:hover { background: var(--surface-2); color: var(--ink); }
.guide-nav li.is-active a { background: var(--surface-2); color: var(--primary-ink); font-weight: 600; }

.guide-content { min-width: 0; }

/* ── Chapter "Contents" box (wraps the ## Contents heading + its list) ────── */
.chapter-toc {
  margin: 20px 0 28px; padding: 18px 20px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r);
}
.chapter-toc h2 {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted); margin: 0 0 10px;
}
.chapter-toc ol {
  margin: 0; padding-left: 20px; columns: 1;
}
.chapter-toc li { margin: 4px 0; break-inside: avoid; font-size: 14px; }
@media (min-width: 560px) {
  .chapter-toc ol { columns: 2; column-gap: 28px; }
}

/* ── Figures: screenshots/videos with a caption (Mobile First) ─────────────── */
figure.fig {
  margin: 20px 0; padding: 0; border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden; background: var(--surface);
  max-width: 100%;
}
figure.fig img, figure.fig video {
  display: block; width: 100%; height: auto; background: var(--d-bg);
  max-width: 100%;
}
figure.fig figcaption {
  padding: 10px 16px; font-size: 13.5px; color: var(--muted);
  border-top: 1px solid var(--line); font-style: italic;
}

/* Inline images/videos that are not wrapped in a figure (e.g. inside table cells) */
main td img, main li img { max-width: 100%; border-radius: var(--r-sm); }
main video { max-width: 100%; border-radius: var(--r-sm); }

/* Mobile: constrain carousel/figure width for small screens */
@media (max-width: 799px) {
  figure.fig {
    max-width: 100%;
  }
  figure.fig img {
    max-height: 70vh;
  }
}

/* ── Drag-to-compare slider (e.g. dark vs light mode) ────────────────────── */
.compare-slider__frame {
  position: relative;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  touch-action: pan-y;
  background: var(--d-bg);
  max-width: 100%;
}
@media (max-width: 799px) {
  .compare-slider__frame {
    max-height: 60vh;
  }
}
figure.fig.compare-slider .compare-slider__frame > img,
figure.fig.compare-slider .compare-slider__after-layer img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.compare-slider__after-layer {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--pos, 50%)) 0 0);
}
.compare-slider__handle {
  position: absolute; top: 0; bottom: 0; left: var(--pos, 50%);
  width: 3px; background: #fff; transform: translateX(-50%);
  display: flex; align-items: center; justify-content: center;
  cursor: ew-resize;
}
.compare-slider__frame.is-dragging .compare-slider__handle { background: #fff; }
.compare-slider__handle::before {
  content: ""; position: absolute; width: 36px; height: 36px; border-radius: 50%;
  background: #fff; box-shadow: var(--shadow);
}
.compare-slider__handle svg { position: relative; z-index: 1; color: #111; }
.compare-slider__tag {
  position: absolute; top: 12px; z-index: 1; padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em; color: #fff;
  background: rgba(0, 0, 0, 0.55); backdrop-filter: blur(4px); pointer-events: none;
}
.compare-slider__tag--left { left: 12px; }
.compare-slider__tag--right { right: 12px; }

/* ── Carousel slider for multiple states (e.g. table density) (Mobile First) ── */
.density-carousel__viewport {
  position: relative;
  overflow: hidden;
  background: var(--d-bg);
  max-width: 100%;
}
@media (max-width: 799px) {
  .density-carousel__viewport {
    max-height: 60vh;
  }
}
.density-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.density-carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.density-carousel__slide[data-active="true"] {
  opacity: 1;
  pointer-events: auto;
}
.density-carousel__controls {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  flex-wrap: wrap;
  justify-content: center;
}
.density-carousel__controls label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
}
@media (max-width: 799px) {
  .density-carousel__controls label {
    font-size: 12px;
  }
}
.density-carousel__controls input[type="radio"] {
  cursor: pointer;
}
.density-carousel__controls span {
  color: var(--muted);
}
.density-carousel__controls input[type="radio"]:checked + span {
  color: var(--primary);
  font-weight: 600;
}

/* ── Schema info carousel (Tables/Views/Indexes/Procedures tabs) (Mobile First) */
.schema-info-carousel__viewport {
  position: relative;
  overflow: hidden;
  background: var(--d-bg);
  max-width: 100%;
}
@media (max-width: 799px) {
  .schema-info-carousel__viewport {
    max-height: 60vh;
  }
}
.schema-info-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.schema-info-carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.schema-info-carousel__slide[data-active="true"] {
  opacity: 1;
  pointer-events: auto;
}
.schema-info-carousel__controls {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  flex-wrap: wrap;
  justify-content: center;
}
.schema-info-carousel__controls label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  font-size: 14px;
}
.schema-info-carousel__controls input[type="radio"] {
  cursor: pointer;
}
.schema-info-carousel__controls span {
  color: var(--muted);
}
.schema-info-carousel__controls input[type="radio"]:checked + span {
  color: var(--primary);
  font-weight: 600;
}

/* ── Table structure carousel (Columns/Indexes/Foreign Keys/Triggers tabs) ── */
.table-structure-carousel__viewport {
  position: relative;
  overflow: hidden;
  background: var(--d-bg);
  max-width: 100%;
}
@media (max-width: 799px) {
  .table-structure-carousel__viewport {
    max-height: 60vh;
  }
}

/* ── Edit mode carousel (Row mode vs. Cell mode) ────────────────────────────── */
.edit-mode-carousel__viewport {
  position: relative;
  overflow: hidden;
  background: var(--d-bg);
  max-width: 100%;
}
@media (max-width: 799px) {
  .edit-mode-carousel__viewport {
    max-height: 60vh;
  }
}
.edit-mode-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.edit-mode-carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.edit-mode-carousel__slide[data-active="true"] {
  opacity: 1;
  pointer-events: auto;
}
.edit-mode-carousel__controls {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  flex-wrap: wrap;
  justify-content: center;
}
.edit-mode-carousel__controls label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
}
.edit-mode-carousel__controls input[type="radio"] {
  cursor: pointer;
}
.edit-mode-carousel__controls span {
  color: var(--muted);
}
.edit-mode-carousel__controls input[type="radio"]:checked + span {
  color: var(--primary);
  font-weight: 600;
}
@media (max-width: 799px) {
  .edit-mode-carousel__controls label {
    font-size: 12px;
  }
}
.table-structure-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.table-structure-carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.table-structure-carousel__slide[data-active="true"] {
  opacity: 1;
  pointer-events: auto;
}
.table-structure-carousel__controls {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  flex-wrap: wrap;
  justify-content: center;
}
.table-structure-carousel__controls label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  font-size: 14px;
}
.table-structure-carousel__controls input[type="radio"] {
  cursor: pointer;
}
.table-structure-carousel__controls span {
  color: var(--muted);
}
.table-structure-carousel__controls input[type="radio"]:checked + span {
  color: var(--primary);
  font-weight: 600;
}

/* ── Blockquote callouts (Note / Tip) and the occasional plain quote ───────── */
main .callout.tip { border-left-color: var(--accent); }
main blockquote.quote {
  margin: 20px 0; padding: 14px 20px; font-size: 17px; font-style: italic;
  color: var(--ink); border-left: 3px solid var(--primary); background: var(--surface);
  border-radius: var(--r-sm);
}

/* ── Fenced code / preformatted blocks (e.g. the sidebar tree diagram) ─────── */
main pre {
  margin: 16px 0; padding: 14px 16px; background: var(--surface-2);
  border: 1px solid var(--line); border-radius: var(--r-sm);
  overflow-x: auto; font-size: 13.5px; line-height: 1.6;
}
main pre code { background: none; padding: 0; }

/* ── Chapter pager (Previous / Up / Next) (Mobile First) ───────────────────── */
.guide-pager {
  display: flex; flex-direction: column; gap: 8px;
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line);
}
.guide-pager a {
  flex: 1 1 auto; padding: 12px 16px; text-align: center;
  border: 1px solid var(--line); border-radius: var(--r-sm); background: var(--surface);
  color: var(--ink-soft); font-size: 14px; text-decoration: none;
}
.guide-pager a:hover { color: var(--primary-ink); border-color: var(--primary); }
.guide-pager a.up { flex: 0 1 auto; color: var(--muted); }
@media (min-width: 560px) {
  .guide-pager {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
  }
  .guide-pager a {
    min-width: 140px;
  }
}

/* ── Guide index page: chapter cards (Mobile First) ─────────────────────────── */
.chapter-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 24px 0;
}
@media (min-width: 700px) {
  .chapter-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}
.chapter-card {
  display: block; padding: 16px 18px; border: 1px solid var(--line);
  border-radius: var(--r); background: var(--surface); text-decoration: none;
}
.chapter-card:hover { border-color: var(--primary); }
.chapter-card .num {
  display: inline-block; font-size: 12px; font-weight: 700; color: var(--primary-ink);
  font-variant-numeric: tabular-nums; margin-bottom: 6px;
}
.chapter-card h3 { margin: 0 0 4px; font-size: 16px; color: var(--ink); }
.chapter-card p { margin: 0; font-size: 13.5px; color: var(--muted); }