:root{font-family:"Segoe UI","Microsoft YaHei",system-ui,sans-serif;color:#17282d;background:#edf3f1;--teal:#0f766e;--teal-dark:#095a54;--line:#cedbd8;--muted:#687a7e;--danger:#a13f49}*{box-sizing:border-box}body{margin:0}.shell{width:min(1320px,calc(100% - 36px));margin:0 auto;padding:28px 0 42px}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:20px}.eyebrow{margin:0;color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.13em}.topbar h1{margin:7px 0 6px;font-size:30px}.topbar p:last-child{margin:0;color:var(--muted)}.nav-link{border:1px solid var(--line);padding:9px 13px;background:#fff;color:var(--teal-dark);font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap}.privacy-banner{margin-bottom:16px;border-left:4px solid var(--teal);padding:12px 15px;background:#dff1ed;color:#28564f;font-size:13px}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.panel{border:1px solid var(--line);background:#fff;padding:20px;box-shadow:0 10px 28px rgba(29,61,62,.07)}.panel-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}.panel-head>span{display:grid;place-items:center;width:30px;height:30px;background:var(--teal);color:#fff;font-weight:800}.panel-head h2{margin:0 0 4px;font-size:18px}.panel-head p{margin:0;color:var(--muted);font-size:12px}.panel label,.output-toolbar label{display:grid;gap:6px;color:var(--muted);font-size:12px;font-weight:700}.panel textarea{width:100%;min-height:330px;resize:vertical;border:1px solid #b9cbc7;padding:12px;background:#fbfdfc;color:#18292e;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}.panel textarea:focus,.output-toolbar input:focus{outline:3px solid rgba(15,118,110,.12);border-color:var(--teal)}.output-panel{margin-top:16px}.output-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.output-toolbar label{width:min(360px,100%)}.output-toolbar input{min-height:38px;border:1px solid #b9cbc7;padding:8px 10px;font:13px ui-monospace,Consolas,monospace}.actions{display:flex;gap:8px;flex-wrap:wrap}.actions button{min-height:38px;border:1px solid var(--line);padding:8px 14px;background:#fff;color:#394d51;font-weight:700;cursor:pointer}.actions button:disabled{opacity:.45;cursor:not-allowed}.actions .primary{border-color:var(--teal);background:var(--teal);color:#fff}.status{min-height:20px;margin:14px 0 8px;color:var(--muted);font-size:12px}.status[data-kind="ok"]{color:var(--teal-dark)}.status[data-kind="error"]{color:var(--danger)}#outputPreview{min-height:360px;background:#102325;color:#d8f4ed;border-color:#102325}@media(max-width:850px){.input-grid{grid-template-columns:1fr}.topbar{align-items:flex-start}.output-toolbar{align-items:stretch;flex-direction:column}.output-toolbar label{width:100%}}@media(max-width:540px){.shell{width:calc(100% - 22px);padding-top:18px}.topbar{display:grid}.nav-link{justify-self:start}.actions{display:grid;grid-template-columns:1fr 1fr}.panel{padding:15px}.panel textarea{min-height:250px}}