/* Preview deploy mode-picker chip. Only rendered on Cloudflare Pages
   preview hosts (`*.pages.dev`); preview-helper.js bails out on every
   other host. Hidden during PDF export and the guided tour (the chip
   would distract from the spotlight). Stays visible when the body is
   hidden by `html.awaiting-library-config` so a failed library
   config can still be escaped via the chip. */

/* Centered horizontally inside the 52px-tall header so it sits in
   the empty middle space between the logo on the left and any
   header controls on the right. Vertically inset by ~14px so the
   chip's bottom edge lines up roughly with the header's baseline. */
.preview-helper-chip {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 950;
  background: rgba(245, 158, 11, 0.95); /* amber — flags as dev tooling */
  color: #1f2937;
  padding: 5px 14px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 14px;
  font: 700 11px/1 'Inter', system-ui, sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  user-select: none;
  transition: background 150ms ease, transform 150ms ease;
}

.preview-helper-chip:hover {
  background: rgba(252, 176, 64, 1);
  transform: translateX(-50%) translateY(-1px);
}

.preview-helper-chip:focus-visible {
  outline: 2px solid #60a5fa;
  outline-offset: 2px;
}

.preview-helper-panel {
  position: fixed;
  top: 56px; /* immediately below the 52px header */
  left: 50%;
  transform: translateX(-50%);
  z-index: 950;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  min-width: 280px;
  max-width: 360px;
  padding: 12px;
  font: 13px/1.4 'Inter', system-ui, sans-serif;
  color: #111827;
}

.preview-helper-panel h3 {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 600;
  color: #1f2937;
}

.preview-helper-help {
  margin: 0 0 10px;
  font-size: 12px;
  color: #6b7280;
}

.preview-helper-options {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.preview-helper-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 8px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  width: 100%;
}

.preview-helper-option:hover {
  background: #f3f4f6;
}

.preview-helper-option-active {
  background: #eef2ff;
  border-color: #c7d2fe;
}

.preview-helper-option-active:hover {
  background: #e0e7ff;
}

.preview-helper-option-main {
  font-weight: 500;
  font-size: 13px;
}

.preview-helper-option-sub {
  font-size: 11px;
  color: #6b7280;
}

/* Stay visible when the body is hidden by the awaiting-library-config
   guard. Without this, a preview that loaded a non-existent library
   would show only the auth modal with no way back to public mode. */
html.awaiting-library-config .preview-helper-chip,
html.awaiting-library-config .preview-helper-panel {
  visibility: visible;
}

/* Hide during PDF export. html2canvas captures `#print-page-1` /
   `#print-page-2` (descendants of `#preview-area`), not the body, so
   a body-level chip would already be excluded from the capture — but
   this is a belt-and-suspenders rule in case a future export path
   captures the body. */
body:has(#preview-area.print-mode) .preview-helper-chip,
body:has(#preview-area.print-mode) .preview-helper-panel {
  display: none;
}

/* Hide during the guided tour. */
body.tour-active .preview-helper-chip,
body.tour-active .preview-helper-panel {
  display: none;
}

@media print {
  .preview-helper-chip,
  .preview-helper-panel { display: none; }
}