:root{--bg:#fff;--border:#e6e6e6;--muted:#666;--text:#111;--accent:#111;--card:#fafafa;}
*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";margin:24px;max-width:1100px;color:var(--text);background:var(--bg)}
h1{font-size:22px;margin:0 0 6px}
h2{font-size:16px;margin:16px 0 8px}
.muted{color:var(--muted);font-size:13px;line-height:1.4}
.card{border:1px solid var(--border);background:var(--card);border-radius:12px;padding:14px;margin-top:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
button{border:1px solid var(--border);background:#fff;border-radius:10px;padding:10px 14px;font-weight:600;cursor:pointer}
button:hover{border-color:#bbb}
button.smallbtn{padding:8px 12px}
textarea{width:100%;min-height:280px;border:1px solid var(--border);border-radius:12px;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:12px;line-height:1.35;background:#fff}
textarea.output{min-height:220px}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:12px}
#status.ok{border-color:#cdeccd;background:#f3fff3}
#status.bad{border-color:#ffd3d3;background:#fff4f4}

table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}
th,td{border-bottom:1px solid var(--border);padding:10px;vertical-align:top;font-size:12px}
th{text-align:left;background:#fcfcfc}
tr:last-child td{border-bottom:none}
a{color:var(--accent);text-decoration:underline;word-break:break-all}