:root{font-family:Segoe UI,Arial,sans-serif;color:#263640;background:#f5f6f8;--blue:#426bcb;--border:#e2e7ed;--muted:#84909e}*{box-sizing:border-box}body{margin:0;font-size:14px}button,select,textarea,input{font:inherit;color:inherit}button{border:1px solid var(--border);background:#fff;padding:11px 15px;border-radius:9px;cursor:pointer}button:hover{border-color:#99afe0;background:#f7f9ff}button:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #9db8f4;outline-offset:2px}.rail{position:fixed;inset:0 auto 0 0;width:230px;background:white;border-right:1px solid var(--border);padding:37px 23px;display:flex;flex-direction:column}.brand{font-size:33px;font-weight:700;letter-spacing:-1px}.brand span{display:block;font-size:10px;font-weight:400;letter-spacing:1px;color:#9aa4af;margin-top:5px}.rail-label{font-size:10px;letter-spacing:1.6px;color:#a5aeb9;margin:48px 0 17px}.nav{text-align:left;border:0;color:#7a8795;margin:3px 0;padding:13px 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90px #18355324;overflow:auto}#close{float:right;font-size:25px;border:0;padding:0}#panel h2{font-size:24px;line-height:1.4;margin:22px 0 17px}#panel h3{font-size:11px;color:#8b9db5;letter-spacing:1px;margin:25px 0 9px}#panel p{font-size:13px;color:#6f829b}#panel textarea{width:100%;height:120px;padding:13px;border:1px solid #d8e1ed;border-radius:9px;resize:vertical;margin-top:12px}#panel label{font-size:12px;color:#7b90aa}.actions{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}.warning{background:#fff6e7;border-radius:8px;padding:12px;font-size:11px;color:#a18b64;line-height:1.8;margin-top:18px}.result{background:#f4f7fc;padding:16px;border-radius:9px;white-space:pre-wrap;color:#627b9b;line-height:1.8;font-size:13px}.statusline{font-size:11px;color:#99a9bd;margin:12px 0;word-break:break-word}#error{font-size:12px;color:#aa734c;line-height:1.6}.inbox-tabs{display:flex;gap:8px;margin:20px 0}.inbox-tabs button{font-size:12px}.inbox-tabs 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