:root{--bg:#0b1020;--surface:#121a2f;--surface-2:#192341;--primary:#3b82f6;--primary-2:#60a5fa;--secondary:#14b8a6;--accent:#f5c451;--text:#f8fafc;--muted:#94a3b8;--border:#1f2a4a;--danger:#ef4444;--good:#22c55e}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Noto Sans KR,-apple-system,Segoe UI,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.6}a{color:var(--primary-2);text-decoration:none}a:hover{text-decoration:underline}#app-root{max-width:880px;margin:0 auto;padding:0 20px;min-height:100vh;display:flex;flex-direction:column}#app-header{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--border)}#app-header nav a{margin-right:16px;color:var(--muted);font-size:14px}#app-header nav a:hover{color:var(--text);text-decoration:none}.brand{font-weight:800;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}#app-main{flex:1 1;padding:28px 0}#app-footer{border-top:1px solid var(--border);padding:18px 0;color:var(--muted);font-size:12px}h1{font-size:26px;letter-spacing:-.5px}h2{font-size:19px;margin-top:28px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;margin:14px 0}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}input,select{width:100%;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px}button{padding:10px 16px;background:var(--primary);color:#fff;border:0;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer}button:hover{background:var(--primary-2)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}button.danger{background:var(--danger)}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:13px;word-break:break-all}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;border:1px solid var(--border)}.badge.created{color:var(--accent);border-color:var(--accent)}.badge.completed{color:var(--good);border-color:var(--good)}.badge.cancelled,.badge.expired{color:var(--muted)}.notice{background:rgba(245,196,81,.08);border-left:3px solid var(--accent);padding:10px 14px;border-radius:0 6px 6px 0;font-size:13px;margin:12px 0}.error{color:var(--danger);font-size:13px;word-break:break-word}@media (max-width:640px){#app-header{flex-direction:column;align-items:flex-start;gap:12px}#app-header nav a{margin-right:12px;font-size:13px}#app-nav{display:flex;flex-wrap:wrap;gap:4px 0}#wallet-controls{width:100%}#dashboard-stats .card{min-width:45%!important}h1{font-size:22px}.row{gap:8px}}