:root{--bg:#f6f7f9;--surface:#fff;--border:#e3e6ea;--text:#1f2430;--muted:#6b7280;--accent:#1a56db;--danger:#b42318;--ok:#067647;--radius:8px}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--accent)}.container{max-width:1040px;margin:0 auto;padding:32px 20px}.narrow{max-width:460px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}h1{margin:0 0 6px;font-size:22px}h2{margin:0 0 12px;font-size:16px}.muted{color:var(--muted);font-size:13px}label{margin:14px 0 5px;font-size:13px;font-weight:600;display:block}input[type=text],input[type=email],textarea,select{border:1px solid var(--border);width:100%;font:inherit;background:#fff;border-radius:6px;padding:9px 11px}button,.btn{background:var(--accent);color:#fff;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:6px;padding:9px 16px;font-weight:600;text-decoration:none;display:inline-block}button.secondary,.btn.secondary{color:var(--text);border-color:var(--border);background:#fff}button.danger{background:var(--danger)}button:disabled{opacity:.55;cursor:not-allowed}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);padding:9px 10px}th{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:12px}.badge{text-transform:uppercase;letter-spacing:.03em;color:var(--muted);background:#eef1f5;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700;display:inline-block}.badge.sent{color:#1a56db;background:#e7f0fe}.badge.completed{color:var(--ok);background:#e6f4ec}.badge.declined,.badge.voided,.badge.expired,.badge.failed{color:var(--danger);background:#fdeceb}.error{color:var(--danger);background:#fdeceb;border-radius:6px;padding:10px 12px;font-size:14px}.notice{color:#1e429f;background:#e7f0fe;border-radius:6px;padding:10px 12px;font-size:14px}