#siq-chat-root{position:fixed;bottom:16px;right:16px;z-index:99999;display:block}
.siq-fab{display:flex;align-items:center;gap:8px;background:#1877f2;color:#fff;border:none;border-radius:999px;padding:10px 14px;box-shadow:0 8px 24px rgba(0,0,0,.17);cursor:pointer;font-weight:600}
.siq-fab img{width:24px;height:24px;border-radius:999px;object-fit:cover;background:#fff}
.siq-panel{position:fixed;bottom:80px;right:16px;width:840px;height:520px;max-width:calc(100vw - 24px);max-height:calc(100vh - 120px);background:#111214;color:#e7e9ee;border-radius:14px;overflow:hidden;box-shadow:0 16px 40px rgba(0,0,0,.35);display:none}
.siq-panel.open{display:flex}
.siq-left{width:300px;background:#0c0d0f;border-right:1px solid rgba(255,255,255,.06);display:flex;flex-direction:column}
.siq-left .hdr{padding:12px 14px;font-weight:700}
.siq-list{overflow:auto}
.siq-thread{display:flex;gap:10px;padding:10px 12px;cursor:pointer;align-items:center}
.siq-thread:hover{background:#141519}
.siq-thread.active{background:#1c1f27}
.siq-thread img{width:36px;height:36px;border-radius:999px;object-fit:cover}
.tname{font-weight:600;font-size:14px}
.tlast{font-size:12px;opacity:.75}
.siq-right{flex:1;display:flex;flex-direction:column;min-width:0}
.siq-chat-hdr{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.06);background:#0c0d0f}
.siq-chat-hdr img{width:32px;height:32px;border-radius:999px}
.siq-msgs{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:8px;background:#0e1013}
.siq-bubble{max-width:70%;padding:10px 12px;border-radius:16px}
.siq-bubble.mine{margin-left:auto;background:#1877f2;color:#fff;border-top-right-radius:4px}
.siq-bubble.theirs{margin-right:auto;background:#1f242c;color:#e7e9ee;border-top-left-radius:4px}
.siq-input{display:flex;gap:8px;padding:12px;border-top:1px solid rgba(255,255,255,.06);background:#0c0d0f}
.siq-input textarea{flex:1;height:46px;max-height:120px;min-height:46px;resize:vertical;border-radius:10px;border:1px solid rgba(255,255,255,.08);background:#0f1115;color:#e7e9ee;padding:10px;outline:none}
.siq-send{padding:10px 14px;border-radius:10px;border:none;background:#1877f2;color:#fff;font-weight:600;cursor:pointer}
@media (max-width:700px){.siq-panel{width:calc(100vw - 16px);height:70vh;right:8px;left:8px}.siq-left{display:none}}
.siq-badge{background:#f02849;color:#fff;border-radius:999px;padding:2px 6px;font-size:12px;font-weight:700;display:none}
.siq-fab.has-unread .siq-badge{display:inline-block}