:root{--bg:#0b0c10;--fg:#e6edf3;--muted:#9aa4ae;--accent:#32c5ff}#__next,body,html{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;background:var(--bg);color:var(--fg)}.container{max-width:720px;margin:0 auto;padding:24px}.card{background:#111317;border:1px solid #23272f;border-radius:12px;padding:20px}.title{font-size:20px;font-weight:600;margin:0 0 12px}.muted{color:var(--muted)}.success{color:#3fb950}.error{color:#ff6b6b}.spacer{height:16px}.btn{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;background:#1f6feb;color:#fff;border:none;cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}