:root{
  --ghlc-primary:#2563eb;
  --ghlc-primary-dark:#1d4ed8;
  --ghlc-line:#e2e8f0;
  --ghlc-muted:#64748b;
  --ghlc-bg:#f8fafc;
  --ghlc-text:#0f172a;
}

.ghlc-fab{
  position:fixed;right:24px;bottom:24px;width:60px;height:60px;border-radius:50%;
  border:0;background:linear-gradient(135deg,#2563eb,#60a5fa);color:#fff;
  display:grid;place-items:center;cursor:pointer;z-index:99998;
  box-shadow:0 20px 45px rgba(37,99,235,.22);
}
.ghlc-fab-icon{font-size:26px}
.ghlc-badge{
  position:absolute;top:-5px;right:-3px;min-width:21px;height:21px;padding:0 6px;
  border-radius:999px;background:#ff5b6e;color:#fff;font-size:12px;font-weight:900;
  display:grid;place-items:center;border:2px solid #fff;
}
.ghlc-box{
  position:fixed;right:24px;bottom:96px;width:360px;max-width:calc(100vw - 32px);
  background:#fff;border:1px solid var(--ghlc-line);border-radius:24px;
  box-shadow:0 30px 80px rgba(15,23,42,.22);overflow:hidden;z-index:99999;display:none;
}
.ghlc-box.open{display:block}
.ghlc-head{
  background:linear-gradient(135deg,#1e293b,#2563eb);color:#fff;padding:16px;
  display:flex;align-items:center;justify-content:space-between;
}
.ghlc-head-left{display:flex;align-items:center;gap:10px}
.ghlc-avatar{width:38px;height:38px;border-radius:50%;background:#22c55e;display:grid;place-items:center;font-weight:900}
.ghlc-head b{display:block;font-size:15px}
.ghlc-head span{display:block;font-size:12px;color:#dbeafe;margin-top:2px}
.ghlc-head button{border:0;background:transparent;color:#fff;font-size:26px;cursor:pointer}
.ghlc-messages{
  height:260px;overflow:auto;background:#f8fafc;padding:14px;display:flex;flex-direction:column;gap:10px;
}
.ghlc-msg{max-width:84%;padding:10px 12px;border-radius:16px;font-size:14px;line-height:1.35;word-break:break-word}
.ghlc-msg.admin{background:#fff;border:1px solid var(--ghlc-line);color:#0f172a;align-self:flex-start}
.ghlc-msg.visitor{background:#2563eb;color:#fff;align-self:flex-end}
.ghlc-msg.sending{opacity:.65}
.ghlc-quick{display:flex;gap:8px;flex-wrap:wrap;padding:12px;border-top:1px solid var(--ghlc-line);background:#fff}
.ghlc-quick button{border:1px solid var(--ghlc-line);background:#f8fafc;border-radius:999px;padding:8px 10px;font-size:12px;font-weight:800;cursor:pointer}
.ghlc-info{display:grid;gap:8px;padding:12px;border-top:1px solid var(--ghlc-line)}
.ghlc-info input,.ghlc-form input{width:100%;border:1px solid var(--ghlc-line);border-radius:14px;padding:11px 12px;outline:none;font-size:14px;box-sizing:border-box}
.ghlc-info input:focus,.ghlc-form input:focus{border-color:#bfdbfe;box-shadow:0 0 0 4px rgba(37,99,235,.08)}
.ghlc-info button{border:0;background:#2563eb;color:#fff;border-radius:14px;padding:12px;font-weight:900;cursor:pointer}
.ghlc-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--ghlc-line);background:#fff}
.ghlc-form button{width:46px;height:46px;border-radius:50%;border:0;background:#2563eb;color:#fff;font-weight:900;cursor:pointer}
.ghlc-note{padding:0 12px 12px;color:#64748b;font-size:12px;background:#fff}
@media(max-width:500px){
  .ghlc-box{right:12px;bottom:88px;width:calc(100vw - 24px)}
  .ghlc-fab{right:16px;bottom:16px}
}.ghlc-icon-btn{width:46px;height:46px;border-radius:50%;border:1px solid var(--ghlc-line)!important;background:#f8fafc!important;color:#0f172a!important;font-size:18px;display:grid;place-items:center;flex:0 0 46px}
.ghlc-chat-img{display:block;max-width:210px;max-height:210px;border-radius:14px;margin-top:7px;object-fit:cover;border:1px solid rgba(0,0,0,.08)}
.ghlc-img-caption{font-size:12px;opacity:.8}
.ghlc-msg.type-image{padding:8px}
.ghlc-msg.visitor .ghlc-chat-img{border-color:rgba(255,255,255,.32)}
.ghlc-secret-card{min-width:230px;max-width:260px}
.ghlc-secret-card b{display:block;margin-bottom:5px}
.ghlc-secret-card p{margin:0 0 8px;color:#64748b;font-size:12px}.ghlc-msg.visitor .ghlc-secret-card p{color:rgba(255,255,255,.85)}
.ghlc-secret-row{display:flex;gap:6px}.ghlc-secret-row input{min-width:0;flex:1;border:1px solid var(--ghlc-line);border-radius:10px;padding:8px;font-size:13px}.ghlc-secret-row button{border:0;background:#16a34a;color:#fff;border-radius:10px;padding:8px 10px;font-weight:800;cursor:pointer;white-space:nowrap}.ghlc-secret-row button:disabled{opacity:.6;cursor:not-allowed}
.ghlc-secret-result{margin-top:8px;font-size:13px;line-height:1.45}.ghlc-secret-result code{background:rgba(15,23,42,.08);padding:2px 5px;border-radius:6px;word-break:break-all}.ghlc-msg.visitor .ghlc-secret-result code{background:rgba(255,255,255,.22)}
@media(max-width:500px){.ghlc-chat-img{max-width:190px;max-height:190px}.ghlc-secret-card{max-width:220px}}