:root { --fg:#1a1a1a; --bg:#fdf2f2; --red:#b22222; --line:#e5c9c9; color-scheme: light; }
body { margin:0; font-family: system-ui, "Hiragino Sans", "Yu Gothic", sans-serif; color:var(--fg); background:var(--bg); }
header { display:flex; gap:16px; align-items:center; padding:10px 16px; background:#fff; border-bottom:1px solid var(--line); }
header nav a { margin-right:12px; color:var(--red); }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
button { font: inherit; padding: 6px 12px; border: 1px solid var(--red); background: #fff; color: var(--red); border-radius: 6px; cursor: pointer; }
button.primary { background: var(--red); color: #fff; }
input, select { font: inherit; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 12px 0; }
.err { color: var(--red); font-weight: 600; }
.url { word-break: break-all; font-family: ui-monospace, monospace; background: #fff8e1; padding: 8px; border-radius: 6px; }
.row { display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin: 6px 0; }