:root{font-family:system-ui,-apple-system,sans-serif;color:#18343d;background:#f5f7f7;font-size:16px}*{box-sizing:border-box}body{margin:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}header{display:flex;align-items:center;gap:8px;padding:12px;background:#132c35;color:white}h1{font-size:1.1rem;flex:1;margin:0;min-width:0;overflow-wrap:anywhere}button,#attach{font:inherit;border:1px solid #96a9ac;border-radius:10px;background:#fff;color:#18343d;padding:11px 12px;min-height:44px;cursor:pointer}button:disabled,#attach[aria-disabled=true]{opacity:.5;cursor:default}button:focus-visible,textarea:focus-visible,#attach:focus-visible{outline:3px solid #298088;outline-offset:2px}#status{background:#e4eff0;padding:9px 16px;margin:0;font-size:.9rem}#error{color:#923d2d;margin:8px 16px;overflow-wrap:anywhere}#error:empty{display:none}#install-help{display:flex;gap:8px;align-items:center;padding:10px 16px;background:#fff4d8}#install-help span{flex:1}#pairing,#welcome{padding:28px 20px;max-width:540px;margin:auto}#sas{font-variant-numeric:tabular-nums;font-size:3rem;letter-spacing:.12em;font-weight:700;color:#236b75}main{display:flex;min-width:0;height:calc(100dvh - 102px);height:calc(100svh - 102px)}#sidebar{width:270px;padding:12px;overflow:auto;border-right:1px solid #d2dfe1}#sidebar button{width:100%;text-align:left;margin-bottom:7px}.conversation-row{display:flex;gap:4px}.conversation-row button:first-child{flex:1;min-width:0;overflow-wrap:anywhere}.conversation-row button:last-child{width:auto;font-size:.8rem}#conversation{min-width:0;flex:1;display:flex;flex-direction:column;padding:12px;gap:7px}h2{font-size:1.15rem;margin:5px 0;overflow-wrap:anywhere}#thread{flex:1;min-height:80px;overflow:auto;overscroll-behavior:contain}article{padding:13px;border-radius:12px;margin:10px 0;background:white;overflow-wrap:anywhere}.chat-message.user{background:#dfedef;margin-left:20px}article p{white-space:pre-wrap;margin:8px 0}pre{overflow:auto;background:#eef2f2;border-radius:8px;padding:10px;max-width:100%}code{font-size:.9em}article button{margin:4px}#progress{margin:0;color:#3b7279}#composer{padding-top:8px;border-top:1px solid #cadbdd;background:#f5f7f7}textarea{width:100%;resize:vertical;max-height:160px;min-height:68px;font:inherit;padding:12px;border:1px solid #97afb4;border-radius:12px}.composer-actions{display:flex;justify-content:space-between;gap:8px;margin-top:8px}#send{background:#236b75;color:white;min-width:90px}#offline-note,#online-note{font-size:.85rem;margin:8px 0}#filechips{display:flex;gap:4px;flex-wrap:wrap;overflow-wrap:anywhere}progress{width:100%}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:700px){#sidebar{display:none;position:fixed;top:110px;bottom:0;left:0;z-index:2;background:#f5f7f7;box-shadow:4px 0 16px #0002;max-width:90vw}#sidebar.open{display:block}header{padding:10px 8px}header button{padding:10px 8px}#conversation{padding:10px}#sas{font-size:2.7rem;letter-spacing:.08em}}