.lb-st{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:#111827;max-width:880px;margin:0 auto}
.lb-st-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px;margin-bottom:14px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.lb-st h2{font-size:20px;font-weight:700;margin:0 0 6px}
.lb-st p.lb-intro{color:#6b7280;font-size:14px;margin:0 0 14px}
.lb-st label{display:block;font-size:13px;font-weight:600;margin:10px 0 4px}
.lb-st input,.lb-st textarea{width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;font-size:14px;box-sizing:border-box;background:#fff;color:#111827;font-family:inherit}
.lb-st textarea{min-height:120px;resize:vertical}
.lb-st .lb-btn{display:inline-block;background:#6366f1;color:#fff;border:0;padding:10px 18px;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer}
.lb-st .lb-btn[disabled]{opacity:.6;cursor:not-allowed}
.lb-st .lb-link{background:none;border:0;color:#6366f1;cursor:pointer;font-size:13px;padding:4px 0;text-decoration:underline}
.lb-st-list{list-style:none;padding:0;margin:0}
.lb-st-list li{border:1px solid #e5e7eb;border-radius:10px;padding:12px 14px;margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;background:#fff}
.lb-st-list li:hover{border-color:#6366f1}
.lb-st-list .lb-meta{font-size:12px;color:#6b7280}
.lb-st-badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:#dcfce7;color:#166534;text-transform:capitalize}
.lb-st-badge.closed{background:#f3f4f6;color:#4b5563}
.lb-st-badge.pending{background:#fef3c7;color:#92400e}
.lb-st-chat{border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;background:#fff}
.lb-st-chat-head{background:#6366f1;color:#fff;padding:12px 16px;font-weight:600;display:flex;align-items:center;justify-content:space-between}
.lb-st-chat-body{padding:14px;max-height:420px;overflow-y:auto;background:#f9fafb;display:flex;flex-direction:column;gap:8px}
.lb-st-msg{padding:8px 12px;border-radius:10px;max-width:80%;font-size:13.5px;line-height:1.4;white-space:pre-wrap;word-break:break-word}
.lb-st-msg.customer{background:#6366f1;color:#fff;align-self:flex-end;border-bottom-right-radius:2px}
.lb-st-msg.agent,.lb-st-msg.admin,.lb-st-msg.ai_bot{background:#fff;border:1px solid #e5e7eb;align-self:flex-start;border-bottom-left-radius:2px}
.lb-st-msg.system{background:#fef3c7;color:#92400e;align-self:center;font-size:12px}
.lb-st-msg-meta{font-size:10.5px;color:#6b7280;margin-top:2px}
.lb-st-compose{padding:10px;border-top:1px solid #e5e7eb;background:#fff;display:flex;gap:8px}
.lb-st-compose textarea{flex:1;min-height:44px;max-height:120px;padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;font-size:14px;font-family:inherit;resize:vertical}
.lb-st-empty{padding:18px;text-align:center;color:#6b7280;font-size:14px}
.lb-st-msg-box{font-size:13px;margin-top:8px;padding:8px 12px;border-radius:8px}
.lb-st-msg-box.ok{background:#dcfce7;color:#166534}
.lb-st-msg-box.err{background:#fee2e2;color:#991b1b}
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Last Updated: September 27, 2026