/* Digital Product Passport viewer — modern, accessible styling */
.dpp-viewer {
  /* Light theme tokens */
  --dpp-bg: #ffffff;
  --dpp-surface: #f6f7fb;
  --dpp-subtle: #f8fafc;
  --dpp-text: #0f172a; /* slate-900 */
  --dpp-muted: #64748b; /* slate-500 */
  --dpp-border: #e5e7eb; /* gray-200 */
  --dpp-accent: #2563eb; /* blue-600 */
  --dpp-accent-ink: #0b1d51;

  position: relative;
  border: 1px solid var(--dpp-border);
  border-radius: 12px;
  padding: 12px 12px 14px;
  background: var(--dpp-bg);
  color: var(--dpp-text);
  font-size: 14px;
  line-height: 1.55;
  box-shadow: 0 1px 2px rgba(2, 6, 23, 0.04), 0 8px 24px rgba(2, 6, 23, 0.06);
}
.dpp-viewer .dpp-header {
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--dpp-text);
}

/* Toolbar / Tabs */
.dpp-viewer .dpp-toolbar.dpp-tabs {
  display: inline-flex;
  align-items: center;
  gap: 0;
  margin: 2px 0 10px;
  background: var(--dpp-subtle);
  border: 1px solid var(--dpp-border);
  padding: 3px;
  border-radius: 10px;
}
.dpp-viewer .dpp-tab {
  -webkit-appearance: none;
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--dpp-muted);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  line-height: 1.2;
}
.dpp-viewer .dpp-tab:hover { color: var(--dpp-text); }
.dpp-viewer .dpp-tab[aria-selected="true"] {
  background: var(--dpp-bg);
  color: var(--dpp-text);
  border-color: var(--dpp-border);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.dpp-viewer .dpp-tab .dashicons,
.dpp-viewer .dpp-copy .dashicons {
  margin-right: 6px;
  line-height: 1;
  vertical-align: -2px;
}
.dpp-viewer .dpp-tab:focus-visible {
  outline: 2px solid var(--dpp-accent);
  outline-offset: 1px;
}

/* Copy JSON button + status - pinned to top-right */
.dpp-viewer .dpp-copy {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 2;
  padding: 6px 12px;
  background: var(--dpp-accent);
  color: #ffffff;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  line-height: 1.2;
  box-shadow: 0 1px 2px rgba(2,6,23,0.1);
}
.dpp-viewer .dpp-copy:hover { filter: brightness(1.05); }
.dpp-viewer .dpp-copy:active { filter: brightness(0.98); }
.dpp-viewer .dpp-copy:focus-visible { outline: 2px solid var(--dpp-accent-ink); outline-offset: 2px; }
.dpp-viewer .dpp-copy-status {
  position: absolute;
  top: 10px;
  right: 110px;
  z-index: 2;
  background: var(--dpp-bg);
  border: 1px solid var(--dpp-border);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
}
.dpp-viewer .dpp-copy-status.ok { color: #15803d; }
.dpp-viewer .dpp-copy-status.err { color: #b91c1c; }

/* Panels */
.dpp-viewer .dpp-html,
.dpp-viewer .dpp-pretty { margin-top: 8px; }

/* Raw JSON */
.dpp-viewer .dpp-raw {
  background: #0b1020;
  color: #e5e7eb;
  padding: 12px;
  border-radius: 8px;
  overflow: auto;
  max-height: 56vh;
  font-size: 13px;
  line-height: 1.6;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  white-space: pre;
  tab-size: 2;
  scrollbar-gutter: stable;
}

/* Pretty (key/value) */
.dpp-viewer .dpp-pretty {
  --indent: 16px;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
.dpp-viewer .dpp-kv {
  display: grid;
  grid-template-columns: minmax(140px, 30%) 1fr;
  gap: 10px;
  align-items: start;
  padding: 4px 0;
}
.dpp-viewer .dpp-key {
  font-weight: 600;
  color: var(--dpp-text);
}
.dpp-viewer .dpp-list,
.dpp-viewer .dpp-object {
  margin-left: var(--indent);
  border-left: 2px solid #e9eef7;
  padding-left: 12px;
}
.dpp-viewer .dpp-leaf { color: #334155; word-break: break-word; }
.dpp-viewer.dpp-error { border-color: #fecaca; background: #fff1f2; }

/* HTML accordion */
.dpp-viewer .dpp-accordion { display: block; }
.dpp-viewer details.dpp-acc-section {
  border: 1px solid var(--dpp-border);
  border-radius: 10px;
  padding: 8px 10px;
  margin: 10px 0;
  background: var(--dpp-surface);
}
.dpp-viewer details.dpp-acc-section > summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px 10px 22px; /* extra space for chevron */
  color: var(--dpp-text);
  -webkit-user-select: none;
  user-select: none; /* avoid text highlighting on toggle */
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.dpp-viewer details.dpp-acc-section > summary .dpp-acc-label {
  flex: 1 1 auto;
  min-width: 0;
}
.dpp-viewer details.dpp-acc-section > summary .dpp-acc-meta {
  flex: 0 0 auto;
  color: var(--dpp-muted);
  font-weight: 500;
  font-size: 12px;
  background: var(--dpp-bg);
  border: 1px solid var(--dpp-border);
  padding: 2px 8px;
  border-radius: 999px;
  line-height: 1.4;
}
.dpp-viewer details.dpp-acc-section > summary::-webkit-details-marker { display: none; }
.dpp-viewer details.dpp-acc-section > summary:focus-visible {
  outline: 2px solid var(--dpp-accent);
  outline-offset: 2px;
}
/* Accordion inner content wrapper for comfy padding */
.dpp-viewer .dpp-acc-content {
  margin-top: 8px;
  padding: 12px;
  background: var(--dpp-bg);
  border-radius: 8px;
}
/* Use ASCII-escaped chevrons to avoid encoding issues */
.dpp-viewer details.dpp-acc-section > summary::before {
  content: "\25B8"; /* ▸ */
  position: absolute;
  left: 0;
  top: 0;
  color: var(--dpp-muted);
}
.dpp-viewer details.dpp-acc-section[open] > summary::before {
  content: "\25BE"; /* ▾ */
  color: var(--dpp-text);
}
.dpp-viewer .dpp-acc-list { margin: 6px 0 0 0; padding-left: 20px; }
.dpp-viewer .dpp-properties .dpp-kv { padding: 2px 0; }
.dpp-viewer .dpp-object .dpp-kv { padding: 2px 0; }

/* Show more/less control */
.dpp-viewer .dpp-more-ctl { text-align: center; margin: 6px 0 4px; }
.dpp-viewer .dpp-more-toggle {
  -webkit-appearance: none;
  appearance: none;
  background: var(--dpp-bg);
  color: var(--dpp-text);
  border: 1px solid var(--dpp-border);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
}
.dpp-viewer .dpp-more-toggle:hover { filter: brightness(1.03); }
.dpp-viewer .dpp-more-toggle:focus-visible { outline: 2px solid var(--dpp-accent); outline-offset: 2px; }

/* Move accordion chevron to the right and center vertically */
.dpp-viewer details.dpp-acc-section > summary::before { display: none !important; }
.dpp-viewer details.dpp-acc-section > summary::after {
  content: "\25B8"; /* right-pointing chevron */
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dpp-muted);
}
.dpp-viewer details.dpp-acc-section[open] > summary::after {
  content: "\25BE"; /* down-pointing chevron */
  color: var(--dpp-text);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .dpp-viewer .dpp-kv {
    grid-template-columns: 1fr;
  }
  .dpp-viewer .dpp-key { opacity: 0.9; }
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  .dpp-viewer {
    --dpp-bg: #0b1220;
    --dpp-surface: #0f172a;
    --dpp-subtle: #0b1220;
    --dpp-text: #e2e8f0;
    --dpp-muted: #94a3b8;
    --dpp-border: #1f2a44;
    --dpp-accent: #60a5fa;
    --dpp-accent-ink: #dbeafe;
  }
  .dpp-viewer .dpp-tab[aria-selected="true"] {
    box-shadow: 0 1px 1px rgba(15,23,42,0.2);
  }
  .dpp-viewer .dpp-leaf { color: #cbd5e1; }
}