:root{--bg:#0b1020;--card:rgba(255,255,255,.06);--border:rgba(255,255,255,.12);--text:#e8eefc;--muted:rgba(232,238,252,.70);--accent:#4ea1ff}body,html{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:980px;margin:0 auto;padding:16px}.nav{display:flex;gap:14px;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border);background:rgba(0,0,0,.15);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.nav strong{color:var(--text)}.card{padding:16px;border:1px solid var(--border);border-radius:14px;background:var(--card)}button,input,select,textarea{font:inherit}input,select,textarea{border-radius:10px;border:1px solid rgba(255,255,255,.16);background:rgba(0,0,0,.25)}button,input,select,textarea{padding:10px 12px;color:var(--text)}button{border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(78,161,255,.15);cursor:pointer}button:hover{background:rgba(78,161,255,.22)}.muted,small{color:var(--muted)}pre{white-space:pre-wrap}