:root{--sw-burgundy:#6b1d2a;--sw-terracotta:#a0522d;--sw-gold:#c8962d;--sw-cream:#faf7f2;--sw-espresso:#3d2b1f;--sw-line:#e7ddd0}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:var(--sw-cream);color:var(--sw-espresso);font-family:Source Sans\ 3,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}h1,h2,h3{font-family:Playfair Display,Georgia,serif}.shell{display:flex;flex-direction:column;height:100dvh;max-width:820px;margin:0 auto;background:#fff;border-left:1px solid var(--sw-line);border-right:1px solid var(--sw-line)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:var(--sw-burgundy);color:var(--sw-cream);border-bottom:3px solid var(--sw-gold)}.topbar h1{margin:0;font-size:20px;letter-spacing:.3px}.topbar .sub{font-size:12px;opacity:.8}.log{flex:1 1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}.msg{max-width:78%;padding:10px 14px;border-radius:14px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}.msg .who{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;opacity:.7;margin-bottom:3px}.msg.human{align-self:flex-end;background:var(--sw-burgundy);color:var(--sw-cream);border-bottom-right-radius:4px}.msg.claude{align-self:flex-start;background:var(--sw-cream);border:1px solid var(--sw-line);border-bottom-left-radius:4px}.msg.system{align-self:center;background:transparent;font-size:12px;opacity:.6}.attachments{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.attachments a{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:5px 9px;border-radius:8px;background:rgba(0,0,0,.08);color:inherit;text-decoration:none}.attachments img{max-width:220px;max-height:220px;border-radius:10px;display:block}.composer{border-top:1px solid var(--sw-line);padding:12px 16px;display:flex;flex-direction:column;gap:8px;background:#fff}.pending-files{display:flex;flex-wrap:wrap;gap:6px}.pending-files .chip{font-size:12px;background:var(--sw-cream);border:1px solid var(--sw-line);border-radius:8px;padding:4px 8px;display:inline-flex;gap:6px;align-items:center}.pending-files .chip button{border:none;background:none;cursor:pointer;font-size:14px;line-height:1;color:var(--sw-terracotta)}.composer-row{display:flex;gap:8px;align-items:flex-end}.composer textarea{flex:1 1;resize:none;border:1px solid var(--sw-line);border-radius:12px;padding:10px 12px;font:inherit;min-height:44px;max-height:160px;outline:none}.composer textarea:focus{border-color:var(--sw-gold)}.iconbtn,.sendbtn{border:none;cursor:pointer;border-radius:12px;font:inherit;font-weight:600}.iconbtn{background:var(--sw-cream);border:1px solid var(--sw-line);padding:10px 12px;font-size:18px}.sendbtn{background:var(--sw-gold);color:var(--sw-espresso);padding:11px 20px}.sendbtn:disabled{opacity:.5;cursor:default}.centered{height:100dvh;flex-direction:column;gap:16px}.centered,.notice{display:flex;align-items:center;justify-content:center}.notice{flex:1 1;flex-direction:column;gap:8px;padding:40px;text-align:center}.notice p{margin:0;font-size:16px}.notice .sub{font-size:13px;opacity:.65}