:root{color-scheme:light;--bg:#f3f5f0;--ink:#17352f;--muted:#62756e;--line:#dce4db;--green:#176552;--mint:#e3f0e6;font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}[hidden]{display:none!important}.app{max-width:800px;margin:auto;padding:24px 20px calc(94px + env(safe-area-inset-bottom))}header{display:flex;align-items:center;justify-content:space-between;margin:8px 0 22px}.brand{display:flex;gap:12px;align-items:center}.mark{width:48px;height:48px;border-radius:16px;background:var(--ink);color:#c3f4d4;display:grid;place-items:center;font-weight:750;letter-spacing:-2px}h1,h2,h3,p{margin:0}h1{font-size:24px;letter-spacing:-1px;line-height:1.1}h2{font-size:25px;letter-spacing:-.7px}h3{font-size:17px}.brand p{font-size:13px;color:var(--muted);margin-top:4px}.connection{font-size:13px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;margin-bottom:18px;background:#fff}.connection.offline{background:#fff0e6;color:#833a19}.mode{padding:12px 14px;border-radius:12px;background:#e9eddf;font-size:13px;margin-bottom:22px}.section-heading{display:flex;justify-content:space-between;gap:8px;align-items:center;margin:20px 0 10px}.section-heading span{font-size:12px}.hint{font-size:13px;color:var(--muted);margin-bottom:20px}.card{background:white;border:1px solid var(--line);border-radius:20px;padding:20px;margin:14px 0}.card p+p{margin-top:10px}.eyebrow{text-transform:uppercase;font-size:11px;letter-spacing:2px;color:var(--green);margin-bottom:10px}#auth h2{margin-bottom:12px}label{display:block;font-size:13px;font-weight:600;margin:12px 0}input,textarea,select{width:100%;border:1px solid #bacbc1;border-radius:11px;background:#fff;color:var(--ink);padding:12px;font:inherit;font-size:16px;margin-top:6px}textarea{resize:vertical;min-height:88px}button,.file-button{border:1px solid var(--line);background:#f8faf6;color:var(--ink);border-radius:11px;padding:10px 14px;min-height:44px;font:inherit;font-size:14px;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--green);color:white;border-color:var(--green)}.quiet{background:transparent;border-color:transparent;font-size:13px}.danger{color:#9a3326}.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:12px 0}.actions .primary{margin-left:auto}.file-button{position:relative;overflow:hidden;margin:0;font-weight:500}.file-button input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;margin:0}.muted{color:var(--muted);font-size:12px}.check{display:flex;gap:8px;align-items:flex-start;font-size:12px;font-weight:400}.check input{width:16px;min-height:16px;margin-top:3px;accent-color:var(--green)}.messages{display:flex;flex-direction:column;gap:14px;max-height:55vh;overflow:auto;padding:6px 0 20px}.message{border:1px solid var(--line);border-radius:18px;padding:15px;max-width:94%;background:white;overflow-wrap:anywhere;white-space:pre-wrap}.message.user{align-self:flex-end;background:var(--mint);border-color:transparent}.message .meta{display:block;margin-bottom:5px;color:var(--muted);font-size:11px;white-space:normal}.message .message-status{display:block;font-size:11px;color:var(--muted);margin-top:9px}.empty{padding:24px 4px;color:var(--muted);font-size:14px}.item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;margin:12px 0;overflow-wrap:anywhere}.item .body{white-space:pre-wrap}.item .meta{color:var(--muted);font-size:12px;margin-top:8px}.item .actions button{font-size:12px;padding:7px 10px}.badge{display:inline-block;padding:3px 8px;border-radius:20px;background:var(--mint);font-size:11px;margin-bottom:8px}.unread{border-left:4px solid var(--green)}.notice{position:sticky;top:10px;z-index:3;padding:14px;background:#fff1d9;border:1px solid #ddbe81;border-radius:14px;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,800px);background:rgba(248,250,247,.97);border-top:1px solid var(--line);display:flex;padding:10px 12px calc(10px + env(safe-area-inset-bottom));gap:5px;z-index:2}nav button{flex:1;background:transparent;border-color:transparent;padding:10px 4px}nav button[aria-current]{background:var(--ink);color:white}footer{font-size:11px;color:var(--muted);text-align:center;margin-top:30px}details{margin-top:10px;font-size:12px}summary{cursor:pointer;color:var(--green)}.history-line{margin:7px 0}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #6cbba1;outline-offset:2px}@media(max-width:420px){.app{padding-top:14px;padding-left:14px;padding-right:14px}.card{padding:16px}.section-heading{align-items:flex-start}.section-heading span{max-width:115px;text-align:right}.composer .actions{gap:6px}.composer button,.file-button{padding:9px 11px;font-size:12px}}