.support-chat { border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden; }
.support-chat-heading { display:flex;gap:12px;align-items:center;justify-content:space-between;padding:15px 16px;background:var(--soft); }
.support-chat-heading strong { font-size:16px; }.support-chat-heading>span { font-size:12px;color:var(--muted);text-align:right; }
.support-chat-tools { display:flex;align-items:center;flex-wrap:wrap;gap:9px;padding:12px 16px; }
.support-chat-tools button,.support-chat-jump { border:0;background:var(--soft);color:var(--ink);padding:8px 10px;border-radius:8px;font-size:13px;cursor:pointer; }
.support-chat-tools span { font-size:12px;color:var(--muted);line-height:1.5; }
.support-chat-log { max-height:42dvh;min-height:180px;overflow:auto;padding:16px;overscroll-behavior:contain;scrollbar-gutter:stable; }
.support-chat-message { width:fit-content;max-width:90%;border-radius:13px;padding:12px 14px;margin-bottom:12px;background:var(--soft);color:var(--ink); }
.support-chat-message.mine { margin-left:auto;background:var(--accent-soft,var(--soft));border:1px solid var(--line); }
.support-chat-message small { display:block;font-size:12px;color:var(--accent-ink,var(--accent,var(--ink)));font-weight:700; }
.support-chat-message p { color:var(--ink);font-size:15px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;margin:6px 0 9px; }
.support-chat-message time { display:block;font-size:11px;color:var(--muted);line-height:1.5; }
.support-chat-jump { display:block;margin:0 auto 12px; }
.support-chat form { padding:15px 16px;border-top:1px solid var(--line); }
.support-chat form label { display:block;font-size:14px;font-weight:600;margin:0; }
.support-chat textarea { display:block;width:100%;margin:7px 0 12px;min-height:85px;resize:vertical;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);padding:11px;font:inherit;font-size:16px; }
.support-chat-send { display:flex;align-items:center;justify-content:space-between;gap:12px; }
.support-chat-send small { color:var(--muted);font-size:12px;line-height:1.5; }
.support-chat-send button { border:1px solid var(--line);border-radius:9px;background:var(--ink);color:var(--surface);padding:10px 14px;font:inherit;font-size:14px;font-weight:600;white-space:nowrap; }
.support-chat [data-chat-result] { font-size:13px;color:var(--muted);line-height:1.6;overflow-wrap:anywhere; }
.support-chat [data-chat-result]:empty { display:none; }
@media(max-width:560px) { .support-chat-heading { align-items:flex-start;flex-direction:column;gap:5px; }.support-chat-heading>span { text-align:left; }.support-chat-send { flex-wrap:wrap; }.support-chat-message { max-width:95%; }.support-chat-log { max-height:36dvh; }.support-chat-tools,.support-chat form { padding:12px; } }