:root{--lc-primary:#4f46e5;--lc-text:#0f172a;--lc-muted:#64748b;--lc-border:#e7ecf4;--lc-bg:#ffffff;--lc-soft:#f8fafc;--lc-shadow:0 24px 70px rgba(15,23,42,.18)}
#lcw-root{position:fixed;bottom:18px;z-index:99995;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
#lcw-root[data-pos="right"]{right:18px}#lcw-root[data-pos="left"]{left:18px}
.lcw-launch{position:relative;width:62px;height:62px;border:none;border-radius:22px;background:linear-gradient(135deg,var(--lc-primary),color-mix(in srgb,var(--lc-primary) 82%, #111 18%));color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 18px 40px color-mix(in srgb,var(--lc-primary) 28%, transparent);transition:.18s}.lcw-launch:hover{transform:translateY(-2px)}.lcw-launch svg{width:28px;height:28px}.lcw-launch-badge{position:absolute;top:-4px;right:-4px;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:#ef4444;color:#fff;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;border:2px solid #fff}
.lcw-panel{width:min(392px,calc(100vw - 20px));background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border:1px solid rgba(231,236,244,.92);border-radius:28px;box-shadow:var(--lc-shadow);overflow:hidden}
.lcw-head{display:flex;align-items:center;justify-content:space-between;padding:18px 18px 16px;background:linear-gradient(180deg,#ffffff,#f8fbff);border-bottom:1px solid var(--lc-border)}.lcw-head-left{display:flex;gap:12px;align-items:center}.lcw-avatar{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--lc-primary),color-mix(in srgb,var(--lc-primary) 75%, #111 25%));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px color-mix(in srgb,var(--lc-primary) 20%, transparent)}.lcw-avatar svg{width:24px;height:24px}.lcw-title{font-size:16px;font-weight:800;color:var(--lc-text)}
.lcw-status{display:flex;align-items:center;gap:8px;margin-top:4px;color:var(--lc-muted);font-size:12px;font-weight:700}.lcw-status i{width:8px;height:8px;border-radius:999px;background:#22c55e;display:inline-block;box-shadow:0 0 0 4px rgba(34,197,94,.14)}.lcw-status.offline i{background:#ef4444;box-shadow:0 0 0 4px rgba(239,68,68,.12)}
.lcw-close{width:36px;height:36px;border:none;border-radius:12px;background:#f1f5f9;color:#475569;font-size:20px;cursor:pointer}
.lcw-body{box-sizing: border-box;padding:16px;height:430px;overflow:auto;background:linear-gradient(180deg,#fcfdff,#f8fbff)}
.lcw-pre,.lcw-offline{padding:8px 4px 6px}.lcw-pre-ico{width:56px;height:56px;border-radius:18px;background:#eef4ff;color:var(--lc-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px}.lcw-pre-ico svg{width:28px;height:28px}.lcw-pre-title{font-size:22px;line-height:1.2;font-weight:800;color:#0f172a;margin:0 0 8px;max-width:280px}.lcw-field,.lcw-offline input,.lcw-offline textarea{box-sizing: border-box;width:100%;border:1px solid var(--lc-border);background:#fff;border-radius:16px;padding:13px 14px;font-size:14px;outline:none;margin-top:10px}.lcw-start,.lcw-offline button{margin-top:14px;width:100%;border:none;border-radius:16px;padding:14px 16px;background:linear-gradient(135deg,var(--lc-primary),color-mix(in srgb,var(--lc-primary) 82%, #111 18%));color:#fff;font-weight:800;cursor:pointer;box-shadow:0 14px 26px color-mix(in srgb,var(--lc-primary) 18%, transparent)}
.lcw-chat{display:flex;flex-direction:column;gap:12px}.lcw-author{font-size:12px;font-weight:800;color:#64748b;margin:0 0 6px 12px}.lcw-msg{display:flex;flex-direction:column;max-width:86%}.lcw-msg.admin{align-self:flex-start}.lcw-msg.client{align-self:flex-end;align-items:flex-end}.lcw-bubble{padding:13px 15px;border-radius:18px;background:#fff;color:#0f172a;border:1px solid var(--lc-border);box-shadow:0 6px 16px rgba(15,23,42,.05);font-size:14px;line-height:1.5}.lcw-msg.client .lcw-bubble{background:linear-gradient(135deg,var(--lc-primary),color-mix(in srgb,var(--lc-primary) 80%, #111 20%));border-color:transparent;color:#fff;box-shadow:0 12px 28px color-mix(in srgb,var(--lc-primary) 16%, transparent)}.lcw-time{font-size:11px;margin-top:8px;opacity:.72;text-align:right}.lcw-typing{margin-top:6px;color:#64748b;font-size:13px;font-weight:700;padding-left:10px}
.lcw-foot{display:flex;align-items:center;gap:10px;padding:14px 16px;background:#fff;border-top:1px solid var(--lc-border)}.lcw-mini{width:42px;height:42px;border:none;border-radius:14px;background:#f8fafc;color:#64748b;display:flex;align-items:center;justify-content:center;cursor:pointer}.lcw-mini svg,.lcw-send svg{width:20px;height:20px}.lcw-input{flex:1;border:1px solid var(--lc-border);background:#f8fafc;border-radius:16px;padding:12px 14px;font-size:14px;outline:none}.lcw-send{width:46px;height:46px;border:none;border-radius:16px;background:linear-gradient(135deg,var(--lc-primary),color-mix(in srgb,var(--lc-primary) 82%, #111 18%));color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}.lcw-footnote{padding:0 16px 14px;color:#94a3b8;font-size:11px;text-align:center}.lcw-footnote a{color:inherit;text-decoration:none}
@media (max-width:640px){#lcw-root[data-pos="right"],#lcw-root[data-pos="left"]{left:10px;right:10px;bottom:10px}.lcw-panel{width:auto;max-width:none;border-radius:22px}.lcw-body{height:56vh}.lcw-launch{margin-left:auto}}