:root{font-family:Inter,system-ui,sans-serif;color:#172033;background:#eef2f7}*{box-sizing:border-box}body{margin:0}.shell{min-height:100vh;display:grid;place-content:center;padding:20px}.chat{width:min(720px,calc(100vw - 24px));height:min(820px,calc(100vh - 64px));min-height:560px;background:#fff;border-radius:20px;box-shadow:0 20px 60px #26365022;overflow:hidden;display:flex;flex-direction:column}header{background:var(--brand,#1769aa);color:#fff;padding:18px 22px;display:flex;align-items:center;gap:13px}.avatar{width:44px;height:44px;border-radius:50%;background:#fff;color:var(--brand);display:grid;place-content:center;font-weight:800;font-size:22px}h1{font-size:18px;margin:0}header p{margin:4px 0 0;font-size:13px;opacity:.85}.online{margin-left:auto;font-size:12px;background:#ffffff24;padding:6px 10px;border-radius:99px}.consent{margin:auto;max-width:520px;padding:34px}.consent h2{font-size:26px;margin:0 0 10px}.consent>p{color:#526078;line-height:1.5}label{display:grid;gap:7px;margin:20px 0;font-size:14px;font-weight:600}input,textarea{font:inherit;border:1px solid #cdd5df;border-radius:12px;padding:12px;outline:none}input:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px #1769aa22}.check{display:flex;align-items:flex-start;font-weight:400;line-height:1.4}.check input{margin-top:3px}.consent button,form button{border:0;border-radius:12px;background:var(--brand);color:#fff;font-weight:700;padding:13px 18px;cursor:pointer}.conversation{flex:1;min-height:0;display:flex;flex-direction:column}.messages{flex:1;overflow:auto;padding:22px;background:#f6f8fb;display:flex;flex-direction:column;gap:10px}.bubble{max-width:78%;padding:11px 14px;border-radius:15px;line-height:1.4;white-space:pre-wrap}.bubble.pending{opacity:.65}.inbound{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px}.outbound{align-self:flex-start;background:#fff;border:1px solid #e2e7ee;border-bottom-left-radius:4px}form{padding:14px;display:flex;gap:10px;border-top:1px solid #e5e9ef}textarea{flex:1;resize:none}.error{color:#b42318;font-size:13px;margin:8px 16px}.hidden{display:none}.brand{text-align:center;color:#7b8799;font-size:12px}@media(max-width:600px){.shell{padding:0}.chat{width:100vw;height:100vh;min-height:0;border-radius:0}.brand{display:none}.bubble{max-width:88%}}