html,body,#root{min-height:100%;margin:0}body{background:#f5f7fa}.page-title{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.page-title h2{margin:0;font-size:20px}.signature-pad{touch-action:none;background:#fff;border:1px dashed #bbb;border-radius:8px;width:100%;height:180px}.chat-page{flex-direction:column;max-width:720px;height:calc(100dvh - 112px);margin:0 auto;display:flex}.mobile-fab{z-index:100;position:fixed;bottom:24px;right:20px}@media (width<=767px){.ant-layout-content{padding:12px!important}.page-title h2{font-size:18px}.chat-page{height:calc(100dvh - 88px)}}