:root{color-scheme:light;--bg:#f6f4ef;--panel:#ffffff;--ink:#17211b;--muted:#66706a;--line:#dedbd2;--green:#128c7e;--green-strong:#075e54;--blue:#2454a6;--danger:#a83232}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}button,input,textarea{font:inherit}input[type=file]{padding:8px}button{border:0;cursor:pointer}.shell{display:grid;grid-template-columns:360px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--line);background:#fbfaf7;display:flex;flex-direction:column;gap:18px;padding:22px}.brand{display:flex;gap:12px}.brand,.brandMark{align-items:center}.brandMark{background:var(--green-strong);border-radius:8px;color:white;display:inline-flex;font-weight:700;height:42px;justify-content:center;width:42px}.brand h1,.brand p,.conversationHeader h2,.conversationHeader p,.panel h2{margin:0}.brand h1{font-size:20px}.brand p,.bubble footer,.empty,.eyebrow,.member span{color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px}.compact{display:grid;grid-gap:12px;gap:12px}.compact h2{font-size:16px}label{display:grid;grid-gap:6px;gap:6px;color:#3c4640;font-size:13px;font-weight:700}input,textarea{border:1px solid var(--line);border-radius:8px;color:var(--ink);padding:10px 11px;resize:vertical;width:100%}input:focus,textarea:focus{border-color:var(--green);outline:2px solid rgba(18,140,126,.16)}.compact button,.composer button{background:var(--green-strong);border-radius:8px;color:white;font-weight:700;padding:11px 14px}.compact button:hover,.composer button:hover{background:var(--green)}.compact button:disabled,.composer button:disabled{background:#9aa29d;cursor:not-allowed}.memberList{display:grid;grid-gap:8px;gap:8px;overflow:auto}.member{background:transparent;border:1px solid var(--line);border-radius:8px;color:var(--ink);display:grid;grid-gap:4px;gap:4px;padding:12px;text-align:left}.memberNameRow{align-items:center;display:flex;gap:8px;justify-content:space-between}.member .unreadBadge{align-items:center;background:var(--green-strong);border-radius:999px;color:white;display:inline-flex;font-size:12px;font-weight:700;height:22px;justify-content:center;min-width:22px;padding:0 7px}.member.active{background:#e6f4ef;border-color:var(--green)}.conversation{display:grid;grid-template-rows:auto auto 1fr auto;min-width:0}.conversationHeader{align-items:center;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;min-height:88px;padding:20px 28px}.conversationHeader h2{font-size:24px}.phoneBadge{color:var(--blue)}.logoutButton,.phoneBadge{border:1px solid var(--line);border-radius:8px;font-weight:700;padding:9px 12px}.logoutButton{background:white;color:var(--ink)}.logoutButton:hover{border-color:var(--green);color:var(--green-strong)}.notice{background:#fff3f0;border-bottom:1px solid #f0c8bd;color:var(--danger);padding:12px 28px}.messages{align-content:start;display:grid;grid-gap:12px;gap:12px;overflow:auto;padding:28px}.bubble{border-radius:8px;display:grid;grid-gap:8px;gap:8px;max-width:min(620px,82%);padding:12px 14px}.bubble p{margin:0;white-space:pre-wrap;word-break:break-word}.mediaPreview{border-radius:8px;display:block;max-height:340px;max-width:100%;object-fit:contain}.documentLink{color:var(--blue);font-weight:700;overflow-wrap:anywhere}.bubble footer{display:flex;gap:12px;font-size:12px}.bubble small{color:var(--danger)}.incoming{background:white;border:1px solid var(--line);justify-self:start}.outgoing{background:#dff4e8;border:1px solid #b5e2ca;justify-self:end}.empty{align-self:center;justify-self:center}.composer{align-items:end;background:#fbfaf7;border-top:1px solid var(--line);display:grid;grid-gap:12px;gap:12px;grid-template-columns:1fr 160px;padding:18px 28px}.composerActions,.composerInput,.filePicker{display:grid;grid-gap:8px;gap:8px}.filePicker{align-items:center;grid-template-columns:52px 1fr}.selectedFile{align-items:center;background:white;border:1px solid var(--line);border-radius:8px;display:flex;gap:8px;justify-content:space-between;padding:8px 10px}.selectedFile span{color:var(--muted);display:grid;grid-gap:2px;gap:2px;overflow:hidden;text-overflow:ellipsis;white-space:normal}.selectedFile small{color:var(--danger);font-size:12px}.selectedFile button{background:transparent;color:var(--danger);padding:0}.loginShell{align-items:center;min-height:100vh}.loginPanel,.loginShell{display:grid;padding:24px}.loginPanel{background:var(--panel);border:1px solid var(--line);border-radius:8px;grid-gap:16px;gap:16px;justify-self:center;max-width:420px;width:100%}.loginPanel h1,.loginPanel p{margin:0}.loginPanel h1{font-size:24px}.loginPanel p{color:var(--muted)}.loginPanel button{background:var(--green-strong);border-radius:8px;color:white;font-weight:700;padding:11px 14px}.loginPanel button:disabled{background:#9aa29d;cursor:not-allowed}.loginNotice{border:1px solid #f0c8bd;border-radius:8px}@media (max-width:820px){.shell{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line)}.memberList{max-height:220px}.conversationHeader{align-items:flex-start;flex-direction:column;gap:10px}.composer{grid-template-columns:1fr}.bubble{max-width:100%}}