/* ==========================================================================
   Custom styles for the User Manual
   - Widens the content area so screenshots have more room to render
   - Makes screenshots full-width with a subtle border and click-to-zoom
   ========================================================================== */

/* Widen the main content area slightly so 1100px-max screenshots have room.
   Material default is ~56rem (~900px); 70rem gives ~1120px. */
.md-grid {
  max-width: 70rem;
}

/* Default styling for screenshots in articles. Captured at 2x DPI so they
   stay crisp when scaled down. Use max-width only — never stretch images
   beyond their natural size, which would blur small modal captures. */
.md-content article img {
  max-width: min(1100px, 100%);
  height: auto;
  display: block;
  margin: 1.5em auto;
  border-radius: 6px;
  border: 1px solid var(--md-default-fg-color--lightest);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  cursor: zoom-in;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Smaller modals (Add Channel, About, edit forms, shutdown warnings) are
   compact natural-size captures — let them display at their natural width.
   Use suffix matching ($=) for warnings so it only catches manual-screenshot
   files like `containers-04-shutdown-warning.png` and NOT bigger marketing
   cards like `safety_scope_warning_card.png` that happen to contain the
   word "warning". */
.md-content article img[src*="modal"],
.md-content article img[src$="-warning.png"] {
  max-width: 700px;
}

/* The Help & Documentation dialog is content-rich (9 link cards, 4 sections)
   so it needs more room. */
.md-content article img[src*="help-dialog"] {
  max-width: 900px;
}

/* About dialog is taller-than-wide and reads fine at modest size. */
.md-content article img[src*="about-dialog"] {
  max-width: 600px;
}

/* The shared header strip is short — show it at a comfortable readable size,
   not stretched full width. */
.md-content article img[src*="header"] {
  max-width: 1100px;
}

/* Hover state: subtle lift to suggest interactivity */
.md-content article img:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* Click-to-zoom: when an image is clicked, expand it to fill the viewport.
   Implemented purely with the :target pseudo-class - no JS required when
   images are wrapped in <a href="#img-id"> links. For our standard markdown
   images, we use a lightbox approach via the manual.js script below. */

/* Lightbox overlay (toggled by manual.js click handler) */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  cursor: zoom-out;
  padding: 2rem;
}

.lightbox-overlay img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Don't apply image styles to icons (e.g. badges in the README) */
.md-content article img[src*="img.shields.io"],
.md-content article img[src*="badge"] {
  width: auto;
  border: none;
  box-shadow: none;
  cursor: auto;
  margin: 0 0.25em;
  transform: none;
}
.md-content article img[src*="img.shields.io"]:hover,
.md-content article img[src*="badge"]:hover {
  box-shadow: none;
}