.sf-chat-dialog{position:fixed;inset:0;width:430px;max-width:calc(100% - 24px);height:620px;max-height:calc(100dvh - 32px);margin:auto;padding:0;border:1px solid #dbe5f5;border-radius:16px;background:#fff;color:#182b4d;box-shadow:0 20px 70px #142b5040;font:14px/1.5 Arial,sans-serif}
.sf-chat-dialog::backdrop{background:#15294480}.sf-chat-dialog[open]{display:flex;flex-direction:column}
.sf-chat-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid #e5edf8}.sf-chat-header h2{font:700 19px/1.3 Arial;margin:0}.sf-chat-close{width:36px;height:36px;border:0;border-radius:8px;background:#eff5ff;color:#34527c;font-size:26px;cursor:pointer}
.sf-chat-intro{padding:12px 20px;background:#f5f8fe;font-size:12px;color:#64748b}.sf-chat-intro a{color:#2563eb}
.sf-chat-messages{flex:1;min-height:80px;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:12px;overscroll-behavior:contain}.sf-chat-message{max-width:90%;border-radius:12px;padding:10px 12px;overflow-wrap:anywhere;flex-shrink:0}.sf-chat-message p{white-space:pre-wrap;margin:0}.sf-chat-message small{display:block;font-size:10px;color:#63758f;margin-top:6px}.sf-chat-visitor{align-self:flex-end;background:#e8f0ff}.sf-chat-operator{align-self:flex-start;background:#f1f4f8}.sf-chat-status{font-size:12px;color:#9a521c;padding:0 16px;margin:4px 0;min-height:18px}
.sf-chat-form{padding:12px 16px 16px;border-top:1px solid #e5edf8;display:flex;gap:10px;align-items:flex-end}.sf-chat-form textarea{font:14px/1.5 Arial;resize:none;min-width:0;flex:1;padding:10px;border:1px solid #dbe5f5;border-radius:9px;max-height:100px}.sf-chat-form button{background:#2563eb;color:#fff;border:0;padding:12px;border-radius:9px;font:600 13px/1.5 Arial;cursor:pointer}.sf-chat-form button:disabled{opacity:.55;cursor:wait}.sf-buy-chat:not(:disabled){cursor:pointer;background:#eff5ff;color:#2563eb;border-color:#cbdcf8}
@media(max-width:600px){.sf-chat-dialog{height:580px}.sf-chat-header{padding:14px 16px}.sf-chat-header h2{font-size:17px}.sf-chat-form textarea{font-size:13px}.sf-chat-form button{font-size:12px;padding:11px 9px}}