:root{font-family:Inter,Microsoft YaHei,system-ui,sans-serif;color:#dce8f1;background:#07131d;--bg:#07131d;--panel:#0d1d29;--panel2:#102432;--line:#263d4d;--cyan:#45d9ce;--muted:#88a0b0}*{box-sizing:border-box}body{margin:0;min-width:900px;overflow:hidden;background:var(--bg)}button,input,select,textarea{font:inherit}.app-shell{height:100vh;display:flex;flex-direction:column}header{height:58px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:#0a1924}.brand{display:flex;align-items:center;gap:12px}.brand b{color:var(--cyan);font-size:13px;border:1px solid #2d6e70;padding:6px 8px;border-radius:6px}.brand span{font-weight:700}.status{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:7px}.status i{width:8px;height:8px;border-radius:50%;background:#9d3434}.status.online i{background:var(--cyan);box-shadow:0 0 10px var(--cyan)}.workspace{height:calc(100vh - 58px);display:flex;min-height:0}.sidebar{width:250px;flex:none;overflow:auto;border-right:1px solid var(--line);background:#0a1822;padding:10px}.sidebar section{padding:9px 4px 12px;border-bottom:1px solid #1d3342}.sidebar h3{font-size:13px;margin:0 0 8px;color:#bcd0dc}.sidebar label:not(.check){display:grid;grid-template-columns:64px 1fr;align-items:center;gap:6px;font-size:12px;color:var(--muted);margin:6px 0}.sidebar select,.sidebar input,.cmd input{min-width:0;background:#07141e;color:#e5eef4;border:1px solid var(--line);border-radius:5px;padding:6px}.wide{width:100%;margin-top:6px}.primary,.ghost,.mini,.sendbtn,.ymodem,.linkbtn,.cmd button,#closeCmd{cursor:pointer}.primary{border:0;background:var(--cyan);color:#05211f;padding:8px;border-radius:6px;font-weight:700}.ghost{border:1px solid var(--line);background:#102532;color:#c7d9e3;padding:7px;border-radius:6px}.check{display:flex;align-items:center;gap:7px;font-size:12px;margin:8px 0;color:#c5d5df}.check input{accent-color:var(--cyan)}.sub{opacity:.8}.sub input{width:58px}.pair{display:flex;justify-content:space-between;margin-top:8px}.linkbtn{border:0;background:transparent;color:#55bfea;padding:4px}.ymodem{width:100%;margin-top:12px;border:1px solid #347c7c;background:#102d32;color:#72e5db;padding:10px;border-radius:7px;font-weight:700}.mainpanel{flex:1;min-width:0;display:flex;flex-direction:column;padding:10px;gap:7px}.rx-head,.send-head,.bottom{height:28px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}.rx-head b,.send-head b{color:#dce8f1}.rx-head div{display:flex;align-items:center;gap:12px}.mini{border:1px solid var(--line);background:#102532;color:#cbdbe4;border-radius:5px;padding:4px 9px}.receive{flex:1;min-height:160px;margin:0;overflow:auto;background:#050d13;border:1px solid var(--line);border-radius:5px;padding:10px;white-space:pre-wrap;overflow-wrap:anywhere;color:#dce8f1;font:13px/1.55 Consolas,monospace}.sendrow{height:126px;display:flex;gap:7px}.sendrow textarea{flex:1;resize:none;background:#07141e;color:#e7f0f5;border:1px solid var(--line);border-radius:5px;padding:10px;font:13px/1.5 Consolas,monospace;outline:none}.sendbtn{width:82px;border:1px solid #347c7c;background:#10343a;color:#7aeee4;border-radius:6px;font-size:28px}.sendbtn small{display:block;font-size:12px;margin-top:4px}.sendbtn:disabled{opacity:.35}.bottom{border-top:1px solid #182d3b;padding-top:4px}.bottom #msg{flex:1;text-align:center}.commands{width:410px;flex:none;border-left:1px solid var(--line);background:#0a1822;padding:10px;overflow:auto;transition:.2s}.commands.hidden{width:0;padding-left:0;padding-right:0;border:0;overflow:hidden}.cmdtitle{display:flex;justify-content:space-between;align-items:center;margin-bottom:9px}.cmdtitle b{font-size:13px}.cmdtitle button{background:transparent;border:0;color:#b9cbd6;font-size:20px}.cmd{display:grid;grid-template-columns:48px 1fr 54px 34px;gap:5px;align-items:center;margin:7px 0}.cmd label{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:3px}.cmd button{height:31px;border:1px solid #347c7c;background:#10343a;color:#70e8de;border-radius:5px}@media(max-height:700px){header{height:48px}.workspace{height:calc(100vh - 48px)}.sidebar section{padding-top:5px;padding-bottom:7px}.sidebar label:not(.check){margin:4px 0}.check{margin:5px 0}.sendrow{height:96px}}