*{box-sizing:border-box}.chat-page{background:#f5f8fc;color:#102d59;min-height:100vh;padding:24px 16px 32px}.chat-shell{display:flex;flex-direction:column;height:calc(100vh - 56px);margin:0 auto;max-width:900px}.chat-header{align-items:center;background:#fff;border:1px solid #dce5ef;border-radius:16px 16px 0 0;display:flex;gap:13px;padding:16px 18px}.chat-back{align-items:center;background:#eaf2ff;border-radius:50%;color:#0756c7;display:flex;height:36px;justify-content:center;text-decoration:none;width:36px}.chat-back svg{fill:none;height:18px;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2;width:18px}.chat-header h1{font-size:20px;margin:0}.chat-header p{color:#687a91;font-size:11px;margin:3px 0 0}.chat-status{color:#087848;font-size:11px;font-weight:800;margin-left:auto}.chat-messages{background:#fff;border-left:1px solid #dce5ef;border-right:1px solid #dce5ef;display:flex;flex:1;flex-direction:column;gap:12px;overflow:auto;padding:20px}.chat-empty{color:#687a91;font-size:13px;margin:auto;text-align:center}.chat-message{border-radius:14px;max-width:75%;padding:11px 13px}.chat-message.user{align-self:flex-end;background:#0756c7;color:#fff}.chat-message.agent{align-self:flex-start;background:#edf3fa;color:#17375f}.chat-message p{font-size:13px;line-height:1.5;margin:0}.chat-message time{display:block;font-size:10px;margin-top:5px;opacity:.7}.chat-composer{background:#fff;border:1px solid #dce5ef;border-radius:0 0 16px 16px;display:flex;gap:10px;padding:14px}.chat-composer textarea{border:1px solid #d6e1ed;border-radius:10px;flex:1;font:inherit;font-size:13px;min-height:42px;padding:10px;resize:none}.chat-composer button{background:#0756c7;border:0;border-radius:10px;color:#fff;font-size:12px;font-weight:800;padding:0 18px}.admin-chat-panel{margin-top:26px}.admin-chat-list{background:#f8f8f5;border:1px solid var(--line);max-height:330px;overflow:auto;padding:14px}.admin-chat-message{border-bottom:1px solid var(--line);padding:10px 0}.admin-chat-message:last-child{border-bottom:0}.admin-chat-message strong{font-size:12px}.admin-chat-message p{font-size:13px;margin:5px 0}.admin-chat-message time{color:var(--muted);font-size:10px}.admin-chat-reply{display:flex;gap:10px;margin-top:12px}.admin-chat-reply textarea{border:1px solid var(--line);flex:1;font:inherit;min-height:42px;padding:9px;resize:vertical}.admin-chat-reply button{background:var(--ink);border:0;color:#fff;font-weight:700;padding:0 16px}@media(max-width:600px){.chat-page{padding:12px 10px}.chat-shell{height:calc(100vh - 24px)}.chat-message{max-width:88%}.chat-composer button{padding:0 13px}}