:root {
  color-scheme: light;
  font-family: system-ui, sans-serif;
  color: #222;
  background: #f5f5f5;
  --muted: #666;
  --line: #ddd;
}
* { box-sizing: border-box; }
html { height: 100%; }
body { margin: 0; }
a { color: inherit; }
a:focus-visible { outline: 2px solid #222; outline-offset: 4px; }
.tool-page { height: 100%; overflow: hidden; display: flex; flex-direction: column; }
nav, .site-header {
  min-height: 52px;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
nav a, .site-header a { text-decoration: none; font-size: 13px; }
nav span { display: flex; gap: 18px; }
nav a:hover, .site-header a:hover { text-decoration: underline; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { display: block; width: 32px; height: 32px; }
.brand span { display: block; }
.site-header .brand { font-size: 16px; }
.loading-icon { display: block; margin: 0 auto; }
#out { position: relative; flex: 1; min-height: 0; width: 100%; overflow: hidden; }
#out:focus-visible { outline: 1px solid #666; outline-offset: -1px; }
.avalonia-splash.splash-close { display: none; }
.loading { max-width: 620px; margin: 12vh auto; padding: 32px; text-align: center; }
.loading h1 { font-size: 24px; font-weight: 600; }
.loading p { color: var(--muted); line-height: 1.8; }
.tools-nav { justify-content: flex-start; gap: 8px; padding-block: 8px; flex-shrink: 0; }
.tools-nav a { padding: 9px 14px; border: 1px solid transparent; border-radius: 6px; background: #eee; }
.tools-nav a:hover { background: #e5e5e5; text-decoration: none; }
.tools-nav a[aria-current="page"] { background: #222; color: #fff; }
.tools-nav a[aria-current="page"]:hover { background: #3d3d3d; }
.home-main, .home-footer { max-width: 1040px; margin: auto; padding: 0 28px; }
.home-main { padding-top: 36px; }
.home-main h1 { font-size: 26px; font-weight: 600; margin: 0 0 24px; }
.tool-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.tool-cards li { display: flex; min-width: 0; }
.tool-entry {
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: start;
  gap: 16px 20px;
  width: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
}
.tool-entry:hover { border-color: #888; background: #fafafa; }
.tool-number { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.tool-arrow { color: var(--muted); font-size: 18px; }
.tool-entry h2 { grid-column: 1 / -1; margin: 0; font-size: 20px; font-weight: 600; }
.tool-entry p { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.home-footer { padding-top: 28px; padding-bottom: 28px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.home-footer .footer-links { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.home-footer a { text-decoration: none; }
.home-footer a:hover { text-decoration: underline; }
@media (max-width: 540px) {
  nav, .site-header { padding-inline: 12px; gap: 8px; }
  nav span { gap: 10px; flex-wrap: wrap; }
  .tools-nav { gap: 6px; }
  .tools-nav a { padding: 9px 10px; }
  .home-main, .home-footer { padding-inline: 16px; }
  .home-main { padding-top: 24px; }
  .tool-cards { grid-template-columns: 1fr; gap: 12px; }
  .tool-entry { padding: 20px; }
}