:root{color-scheme:light}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:#fff;color:#0f172a;font-family:Inter,Arial,sans-serif}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.chat-panel{position:fixed;z-index:50;display:flex;flex-direction:column;overflow:hidden}.chat-panel__header{flex:0 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch}.chat-panel__body{flex:1 1 13rem;min-height:0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}@media(max-width:639px){.chat-panel{top:max(.75rem,env(safe-area-inset-top));right:max(.75rem,env(safe-area-inset-right));bottom:max(5.25rem,calc(env(safe-area-inset-bottom) + 5.25rem));left:max(.75rem,env(safe-area-inset-left));width:auto;max-height:none}.chat-panel__header{max-height:54%}}@media(min-width:640px){.chat-panel{right:1.5rem;bottom:6rem;width:min(26.25rem,calc(100vw - 3rem));max-height:min(40rem,calc(100dvh - 7.5rem))}.chat-panel__header{max-height:24rem}}@media(max-height:30rem)and (max-width:639px){.chat-panel__header{max-height:48%}.chat-panel__body{flex-basis:9rem}}