*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:14px;color:#1f2329;background:#ededed}
#app{display:flex;flex-direction:column;height:100%;overflow:hidden}

header#hd{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--brand,#2f6bff);color:#fff;flex:none}
.hd-left{display:flex;align-items:center;gap:10px;min-width:0}
.hd-avatar{width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:17px;flex:none}
.hd-title{font-weight:600;font-size:15px;line-height:1.2}
.hd-sub{font-size:12px;opacity:.85;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px}
.hd-btns{display:flex;gap:4px;flex:none}
.hd-btns button{width:32px;height:32px;border:0;border-radius:6px;background:transparent;color:#fff;font-size:17px;cursor:pointer;line-height:1;-webkit-tap-highlight-color:transparent}
.hd-btns button:hover{background:rgba(255,255,255,.18)}

main#msgs{flex:1;overflow-y:auto;padding:12px 12px 4px;background:#ededed;-webkit-overflow-scrolling:touch}
main#msgs:focus{outline:none}
.load-top{text-align:center;font-size:12px;color:#9aa3b2;padding:4px 0}

.day{text-align:center;font-size:11px;color:#9aa3b2;margin:8px 0}
.row{display:flex;margin:12px 0;align-items:flex-start;gap:8px}
.row.visitor{flex-direction:row-reverse}
.row.system{justify-content:center}
.bubble{max-width:100%;padding:9px 12px;border-radius:8px;line-height:1.55;word-break:break-word;overflow-wrap:break-word;white-space:pre-wrap;font-size:14.5px;position:relative}
.visitor .bubble{background:var(--wx-self,#95ec69);color:#111;border-top-right-radius:3px}
.agent .bubble{background:#fff;color:#111;border-top-left-radius:3px;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.system .bubble{background:transparent;color:#9aa3b2;font-size:12px;max-width:90%;text-align:center;box-shadow:none}
.bubble.imgb{padding:3px;line-height:0}
.bubble.imgb img{max-width:200px;max-height:260px;border-radius:6px;display:block;cursor:zoom-in}
.avatar-s{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;flex:none;color:#fff;background:#576b95}
.visitor .avatar-s{background:#07c160}
.tm{font-size:11px;color:#9aa3b2;text-align:center;margin-top:2px}
.col{min-width:0;max-width:calc(100% - 44px)}
.col>.bubble{display:inline-block;max-width:100%}
.visitor .col{text-align:right}
.visitor .col>.bubble{text-align:left}
.agent-who{font-size:11px;color:#9aa3b2;margin-bottom:2px}

.typing{flex:none;text-align:center;font-size:12px;color:#9aa3b2;height:22px}

.hint{flex:none;padding:0 12px}
.hint-inner{background:#fff;border-radius:8px;padding:10px 12px;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:#576066;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.hint-inner .stars{display:flex;gap:2px}
.hint-inner .stars button{border:0;background:none;font-size:20px;cursor:pointer;color:#d6dbe6;line-height:1;padding:0 1px}
.hint-inner .stars button.on,.hint-inner .stars button:hover{color:#ffb400}
.hint-inner .btn{border:0;background:var(--brand,#2f6bff);color:#fff;border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer;white-space:nowrap}

footer#ft{flex:none;background:#f7f7f7;border-top:1px solid #e5e5e5;padding:6px 10px 6px;position:relative}
.toolrow{display:flex;gap:2px;position:relative}
.tool{border:0;background:none;font-size:22px;cursor:pointer;padding:8px 10px;border-radius:6px;line-height:1;-webkit-tap-highlight-color:transparent}
.tool:hover{background:#ececec}
.emoji-pop{position:absolute;bottom:calc(100% + 8px);left:8px;right:8px;max-height:150px;overflow-y:auto;overflow-x:hidden;background:#fff;border:1px solid #e5e5e5;border-radius:10px;box-shadow:0 6px 24px rgba(0,0,0,.14);padding:6px;display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:1px;z-index:5}
.emoji-pop button{border:0;background:none;font-size:19px;cursor:pointer;padding:3px 0;border-radius:6px;line-height:1.2;min-width:0}
.emoji-pop button:hover{background:#f0f2f5}
.inputbar{display:flex;align-items:flex-end;gap:8px;margin-top:2px}
#input{flex:1;resize:none;border:0;border-radius:8px;padding:9px 12px;font-size:16px;line-height:1.4;max-height:96px;outline:none;font-family:inherit;background:#fff;box-shadow:0 0 0 1px #e5e5e5 inset}
#input:focus{box-shadow:0 0 0 1.5px var(--brand,#2f6bff) inset}
#send{flex:none;border:0;border-radius:8px;background:#07c160;color:#fff;font-size:14px;padding:0 18px;height:38px;cursor:pointer}
#send:disabled{opacity:.5;cursor:not-allowed}
.powered{text-align:center;font-size:10px;color:#b6bcc8;margin-top:4px}
.powered b{font-weight:600}

.toast{position:fixed;left:50%;top:64px;transform:translateX(-50%);background:rgba(31,35,41,.9);color:#fff;font-size:13px;border-radius:8px;padding:8px 14px;z-index:50;animation:fade 2s forwards}
@keyframes fade{0%,70%{opacity:1}100%{opacity:0}}