:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#1f2937;background:#f9fafb}body{margin:0;padding:0}.app{max-width:900px;margin:0 auto;padding:24px}h1,h2,h3{color:#111827}.card{background:#fff;border-radius:8px;padding:16px 24px;margin-bottom:16px;box-shadow:0 1px 3px #0000001a}.form-row{display:flex;gap:12px;align-items:center;margin-bottom:12px;flex-wrap:wrap}label{display:flex;flex-direction:column;font-size:14px;color:#4b5563}input,select,textarea{padding:8px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;margin-top:4px;min-width:140px}button{padding:8px 16px;border:none;border-radius:6px;background:#2563eb;color:#fff;cursor:pointer;font-size:14px}button:disabled{background:#93c5fd;cursor:not-allowed}.result-approved{color:#16a34a;font-weight:600}.result-blocked{color:#dc2626;font-weight:600}.rule-list{list-style:none;padding:0}.rule-list li{padding:6px 0;border-bottom:1px solid #e5e7eb}button.danger{background:#dc2626}button.danger:hover{background:#b91c1c}.status-bar{display:flex;flex-direction:column;gap:8px}.trade-table{width:100%;border-collapse:collapse;margin-top:12px}.trade-table th,.trade-table td{text-align:left;padding:8px;border-bottom:1px solid #e5e7eb}.trade-table th{color:#6b7280;font-weight:600}textarea{font-family:ui-monospace,monospace}