/* TEEKAN v0.27 · คุยกันในรอบตี */
.ech{display:flex;flex-direction:column;gap:10px;padding:14px;border-radius:18px;background:var(--card);border:1px solid var(--line)}
.ech-h{display:flex;flex-direction:column;gap:2px}
.ech-h b{font-size:16px}
.ech-h small{font-size:12px;color:var(--mut)}
.ech-l{display:flex;flex-direction:column;gap:8px;max-height:300px;overflow-y:auto;padding:2px}
.ech-empty{font-size:13px;color:var(--mut);text-align:center;padding:8px}
.ech-m{display:flex;align-items:flex-end;gap:6px;max-width:88%}
.ech-m.me{align-self:flex-end;flex-direction:row-reverse}
.ech-m .av.xs{width:26px;height:26px;font-size:11px;flex:none}
.ech-b{display:flex;flex-direction:column;gap:1px;padding:8px 11px;border-radius:14px 14px 14px 4px;background:var(--pnl);border:1px solid var(--line);min-width:0}
.ech-m.me .ech-b{border-radius:14px 14px 4px 14px;background:rgba(47,230,255,.14);border-color:rgba(47,230,255,.35)}
.ech-b small{font-size:11.5px;color:var(--mut);font-weight:600}
.ech-b span{font-size:14.5px;line-height:1.45;overflow-wrap:anywhere;white-space:pre-wrap}
.ech-b time{font-size:10.5px;color:var(--mut);align-self:flex-end}
.ech-m.q-cancel .ech-b{background:rgba(255,77,46,.1);border-color:rgba(255,77,46,.4)}
.ech-m.q-late .ech-b{background:rgba(255,154,61,.1);border-color:rgba(255,154,61,.4)}
.ech-q{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;margin:0 -2px}
.ech-q::-webkit-scrollbar{display:none}
.ech-c{flex:none;height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--pnl);color:var(--fg);font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;white-space:nowrap}
.ech-c.cx{border-color:rgba(255,77,46,.45);color:#FF8A73}
.ech-c[data-armed]{background:#FF4D2E;color:#fff;border-color:#FF4D2E}
.ech-f{display:flex;gap:8px}
.ech-f .input{flex:1;min-width:0;height:44px}
.ech-f .btn{flex:none}
.lu{position:relative}
.lu-flag{position:absolute;right:8px;top:44px;font-size:10.5px;font-weight:700;padding:1px 6px;border-radius:999px;white-space:nowrap;background:#1d8f4e;color:#fff;z-index:2}
.lu-flag.late{background:#e07a1f}
.nx-chat{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;text-decoration:none;background:rgba(255,255,255,.08);border:1px solid var(--line);margin-left:auto}