/* MarkupSprig identity for the xml tool roots: paper green #EDF4EF, white
   surfaces, forest #195B43, ink #1C332A. Literata 600 for headings, Source
   Sans 3 for UI and reading, JetBrains Mono for code. Every rule is scoped
   under body[data-site="xml"] and — except the token block — excludes the
   shared guide reading pages (body.guide-page), which GuideLayout and
   guide-blog.css style centrally. Pairs with /brand-fonts.css. No remote
   assets, no body overflow hiding; code and tables scroll locally. */

body[data-site="xml"] {
  --brand-background: #edf4ef;
  --brand-surface: #ffffff;
  --brand-ink: #1c332a;
  --brand-accent: #195b43;
  --brand-border: #cfdfd6;
  --brand-muted: #54705f;
  --brand-danger: #a4262c;
  --brand-font-display: 'Literata', Georgia, 'Times New Roman', serif;
  --brand-font-ui: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --brand-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- base ---------- */
body[data-site="xml"]:not(.guide-page) {
  background: var(--brand-background);
  color: var(--brand-ink);
  font-family: var(--brand-font-ui);
  font-size: 17px;
  line-height: 1.6;
}
body[data-site="xml"]:not(.guide-page) a { color: var(--brand-accent); text-underline-offset: 0.15em; }
body[data-site="xml"]:not(.guide-page) a:hover { text-decoration-thickness: 2px; }
body[data-site="xml"]:not(.guide-page) ::selection { background: rgba(25, 91, 67, 0.16); }
body[data-site="xml"]:not(.guide-page) textarea:focus,
body[data-site="xml"]:not(.guide-page) input:focus,
body[data-site="xml"]:not(.guide-page) button:focus,
body[data-site="xml"]:not(.guide-page) a:focus,
body[data-site="xml"]:not(.guide-page) select:focus,
body[data-site="xml"]:not(.guide-page) :focus-visible {
  outline: 2px solid var(--brand-accent);
  outline-offset: 2px;
}

/* ---------- shell: safe-area gutters, header, footer ---------- */
body[data-site="xml"] .shell {
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}
body[data-site="xml"]:not(.guide-page) .site-header { border-bottom: 1px solid var(--brand-border); }
body[data-site="xml"]:not(.guide-page) .site-header .brand {
  font-family: var(--brand-font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--brand-ink);
}
body[data-site="xml"]:not(.guide-page) .site-header .badge {
  border-color: var(--brand-border);
  color: var(--brand-muted);
}
body[data-site="xml"]:not(.guide-page) .site-header .site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1.25rem;
  font-size: 0.96875rem;
  font-weight: 600;
}
body[data-site="xml"]:not(.guide-page) .site-header .site-nav a { text-decoration: none; }
body[data-site="xml"]:not(.guide-page) .site-header .site-nav a:hover { text-decoration: underline; }
body[data-site="xml"]:not(.guide-page) .site-footer {
  border-top: 1px solid var(--brand-border);
  color: var(--brand-muted);
}

/* ---------- page heading ---------- */
body[data-site="xml"]:not(.guide-page) .page-title {
  font-family: var(--brand-font-display);
  font-weight: 600;
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: 22ch;
  margin: 0.75rem 0 0.5rem;
}
body[data-site="xml"]:not(.guide-page) .page-lead {
  color: var(--brand-muted);
  max-width: 56ch;
  font-size: 1.0625rem;
  margin: 0 0 1rem;
}

/* Widget-first rhythm: tight above the fold on root pages only. */
body[data-site="xml"]:not(.guide-page) main.shell {
  padding-block: 12px 48px;
}
body[data-site="xml"] .page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0 0 1.5rem;
}
body[data-site="xml"] .page-nav a { text-decoration: none; }
body[data-site="xml"] .page-nav a:hover { text-decoration: underline; }

/* ---------- transformation bench: input | result | details ---------- */
body[data-site="xml"]:not(.guide-page) .tool {
  border: 1px solid var(--brand-border);
  border-radius: 10px;
  background: var(--brand-surface);
}
body[data-site="xml"] .tool-bar {
  border-bottom: 1px solid var(--brand-border);
  background: var(--brand-background);
  border-radius: 10px 10px 0 0;
  padding: 0.5rem 0.75rem;
}
body[data-site="xml"] .tool-tabs { display: none; gap: 0.25rem; }
body[data-site="xml"] .tool-tabs button { border-color: var(--brand-border); background: var(--brand-surface); }
body[data-site="xml"] .tool-tabs button[aria-pressed="true"] {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
  color: #fff;
}

body[data-site="xml"] .panes { display: grid; }
body[data-site="xml"] .pane {
  min-width: 0;
  padding: 1rem 1.25rem 1.25rem;
  background: var(--brand-surface);
}
body[data-site="xml"] .pane h2 {
  font-family: var(--brand-font-ui);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--brand-muted);
  margin: 0 0 0.75rem;
}
body[data-site="xml"] .pane h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.1rem 0 0.25rem;
}

body[data-site="xml"]:not(.guide-page) button {
  font-family: var(--brand-font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border: 1.5px solid var(--brand-border);
  border-radius: 8px;
  background: var(--brand-surface);
  color: var(--brand-ink);
}
body[data-site="xml"]:not(.guide-page) button:hover:not([disabled]) { border-color: var(--brand-accent); }
body[data-site="xml"] button.primary,
body[data-site="xml"] button.primary:hover:not([disabled]) {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
  color: #fff;
}
body[data-site="xml"] button[disabled] { opacity: 0.45; cursor: not-allowed; }
body[data-site="xml"] .actions { gap: 0.6rem; }

body[data-site="xml"] .loaders {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding-bottom: 0.75rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid var(--brand-border);
}
body[data-site="xml"] .loaders .label {
  display: inline;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--brand-muted);
  margin: 0;
}
body[data-site="xml"] #xml-file {
  font: inherit;
  font-size: 0.8125rem;
  color: var(--brand-muted);
  max-width: 100%;
  min-width: 0;
}

body[data-site="xml"] .field > label { font-size: 0.875rem; font-weight: 600; }
body[data-site="xml"] #xml-source {
  font-family: var(--brand-font-mono);
  font-size: 0.84375rem;
  line-height: 1.65;
  color: var(--brand-ink);
  background: var(--brand-background);
  border: 1px solid var(--brand-border);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  min-height: 15rem;
  width: 100%;
  overflow: auto;
}
body[data-site="xml"] .hint { color: var(--brand-muted); }
body[data-site="xml"] .status { font-size: 0.9375rem; color: var(--brand-muted); }
body[data-site="xml"] .status[data-state="success"] { color: var(--brand-accent); }
body[data-site="xml"] .status[data-state="error"] { color: var(--brand-danger); }
body[data-site="xml"] .error {
  background: var(--brand-surface);
  border: 1.5px solid var(--brand-danger);
  border-radius: 8px;
  color: #8d1f25;
}

body[data-site="xml"] .output {
  font-family: var(--brand-font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  background: var(--brand-background);
  border: 1px solid var(--brand-border);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
  margin: 0.75rem 0 0;
  max-height: 26rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: normal;
  overflow-wrap: anywhere;
  min-width: 0;
}
body[data-site="xml"] .stats li { border-bottom-color: var(--brand-border); }
body[data-site="xml"] .mono { font-family: var(--brand-font-mono); }

/* Desktop bench: all three panes visible side by side even though the tab
   controller keeps the hidden attribute on them. Only tool panes are shown
   this way — the error box, Cancel, Copy and Download keep their own
   hidden/disabled behavior untouched. */
@media (min-width: 48.01rem) {
  body[data-site="xml"] .tool-bar { display: none; }
  body[data-site="xml"] .panes {
    grid-template-columns: minmax(0, 6fr) minmax(0, 7fr);
    grid-template-areas:
      'source result'
      'details details';
  }
  body[data-site="xml"] [data-pane="input"] { grid-area: source; border-right: 1px solid var(--brand-border); }
  body[data-site="xml"] [data-pane="result"] { grid-area: result; }
  body[data-site="xml"] [data-pane="details"] { grid-area: details; border-top: 1px solid var(--brand-border); }
  body[data-site="xml"] .tool .pane[hidden] { display: block; }
}
@media (min-width: 72rem) {
  body[data-site="xml"] .panes {
    grid-template-columns: minmax(0, 6fr) minmax(0, 7fr) minmax(0, 5fr);
    grid-template-areas: 'source result details';
  }
  body[data-site="xml"] [data-pane="details"] {
    border-top: 0;
    border-left: 1px solid var(--brand-border);
  }
}

/* Small screens: the tabs come back and pane state follows the tab buttons. */
@media (max-width: 48rem) {
  body[data-site="xml"] .tool-tabs { display: flex; }
  body[data-site="xml"] .panes { display: block; }
  body[data-site="xml"] .pane { border-bottom: 1px solid var(--brand-border); }
  body[data-site="xml"] .pane:last-child { border-bottom: 0; }
  body[data-site="xml"] .tool .pane[hidden] { display: none; }
  body[data-site="xml"] #xml-source { min-height: 9rem; }
}

/* ---------- documentation below the bench ---------- */
body[data-site="xml"]:not(.guide-page) .doc { margin-top: 2.5rem; }
body[data-site="xml"] .doc h2 {
  font-family: var(--brand-font-display);
  font-weight: 600;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-top: 1.75rem;
}
body[data-site="xml"] .doc h3 {
  font-family: var(--brand-font-display);
  font-weight: 600;
  font-size: 1.125rem;
  margin-top: 1.5rem;
}
body[data-site="xml"] .doc code {
  font-family: var(--brand-font-mono);
  font-size: 0.875em;
  background: var(--brand-background);
  padding: 0.05em 0.3em;
  border-radius: 4px;
}
body[data-site="xml"] .doc table { font-size: 0.90625rem; }
body[data-site="xml"] .doc th,
body[data-site="xml"] .doc td { border-color: var(--brand-border); }
body[data-site="xml"] .doc thead th { background: var(--brand-background); }

body[data-site="xml"] .doc-guides ul { list-style: none; margin: 0 0 1rem; padding: 0; }
body[data-site="xml"] .doc-guides li {
  padding: 0.6rem 0;
  border-top: 1px solid var(--brand-border);
  max-width: 62ch;
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  body[data-site="xml"],
  body[data-site="xml"] *,
  body[data-site="xml"] *::before,
  body[data-site="xml"] *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}