/* چت آنلاین — رنگ‌ها از --chat-a و --chat-b (در دموها = رنگ برند هر دمو) */
.lchat{--ca:var(--chat-a,#6366f1);--cb:var(--chat-b,#06b6d4);--cfg:var(--chat-on,#fff);
  position:fixed;left:20px;bottom:20px;z-index:150;font-family:inherit;direction:rtl;line-height:1.75}
.lchat *{box-sizing:border-box}
.lc-fab{position:relative;width:60px;height:60px;border-radius:50%;border:0;cursor:pointer;color:var(--cfg);font-size:26px;
  background:linear-gradient(135deg,var(--ca),var(--cb));box-shadow:0 12px 28px -8px color-mix(in srgb,var(--ca) 70%,transparent);transition:.25s;display:grid;place-items:center}
.lc-fab:hover{transform:scale(1.07)}
.lc-fab::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--ca);animation:lcPulse 2.4s ease-out infinite;opacity:0}
.is-open .lc-fab::after{display:none}
.lc-ic-close{display:none;font-size:22px}.is-open .lc-ic-open{display:none}.is-open .lc-ic-close{display:block}
.lc-badge{position:absolute;top:-4px;right:-4px;min-width:22px;height:22px;padding:0 6px;border-radius:99px;background:#ef4444;color:#fff;font-style:normal;font-size:12px;font-weight:700;display:grid;place-items:center;border:2px solid #fff}
.lc-badge[hidden]{display:none}
.lc-teaser{position:absolute;bottom:72px;left:0;white-space:nowrap;background:#fff;color:#0f172a;padding:9px 16px;border-radius:14px 14px 14px 4px;box-shadow:0 12px 30px -10px rgba(0,0,0,.35);font-size:14px;animation:lcIn .35s ease}
.lc-teaser[hidden]{display:none}
.lc-panel{position:absolute;bottom:76px;left:0;width:370px;max-width:calc(100vw - 32px);height:540px;max-height:calc(100vh - 120px);background:#fff;color:#0f172a;
  border-radius:20px;box-shadow:0 30px 60px -20px rgba(15,23,42,.5);display:flex;flex-direction:column;overflow:hidden;animation:lcIn .25s ease;transform-origin:bottom left}
.lc-panel[hidden]{display:none}
.lc-head{display:flex;align-items:center;gap:10px;padding:14px 16px;background:linear-gradient(135deg,var(--ca),var(--cb));color:var(--cfg)}
.lc-head b{display:block;font-size:15px}.lc-av{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.22);display:grid;place-items:center;font-size:22px;font-weight:900;font-family:Arial,sans-serif;flex-shrink:0}
.lc-status{font-size:12px;opacity:.9;display:flex;align-items:center;gap:5px}.lc-status i{width:8px;height:8px;border-radius:50%;background:#fbbf24}.lc-status.on i{background:#4ade80;box-shadow:0 0 0 3px rgba(74,222,128,.3)}
.lc-x{margin-inline-start:auto;background:rgba(255,255,255,.18);border:0;color:inherit;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:14px}
.lc-body{flex:1;overflow-y:auto;padding:16px;background:#f1f5f9;display:flex;flex-direction:column;gap:8px;overscroll-behavior:contain}
.lc-msg{max-width:84%;display:flex;flex-direction:column}
.lc-msg p{margin:0;padding:9px 13px;border-radius:16px;font-size:14px;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.lc-msg p a{color:inherit;text-decoration:underline;font-weight:700}
.lc-msg small{font-size:10.5px;color:#94a3b8;margin-top:2px;padding:0 6px}
.lc-msg em{font-style:normal;font-size:10px;color:#64748b;padding:0 6px}
.lc-msg.user{align-self:flex-start}.lc-msg.user p{background:linear-gradient(135deg,var(--ca),var(--cb));color:var(--cfg);border-bottom-right-radius:4px}
.lc-msg.admin,.lc-msg.bot{align-self:flex-end}.lc-msg.admin p,.lc-msg.bot p{background:#fff;border-bottom-left-radius:4px;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.lc-msg.admin small,.lc-msg.bot small,.lc-msg.bot em{text-align:left}
.lc-msg.pending{opacity:.6}.lc-msg.err p{background:#fecaca;color:#7f1d1d}.lc-msg.err small{color:#dc2626}
.lc-typing{align-self:flex-end;background:#fff;border-radius:16px;padding:10px 14px;display:flex;gap:4px}
.lc-typing i{width:7px;height:7px;border-radius:50%;background:#94a3b8;animation:lcDot 1s infinite}.lc-typing i:nth-child(2){animation-delay:.15s}.lc-typing i:nth-child(3){animation-delay:.3s}
.lc-quick{display:flex;gap:6px;flex-wrap:wrap;padding:8px 12px;background:#f1f5f9;border-top:1px solid #e2e8f0}
.lc-quick[hidden]{display:none}
.lc-quick button{border:1px solid color-mix(in srgb,var(--ca) 40%,#e2e8f0);background:#fff;color:#0f172a;border-radius:99px;padding:4px 12px;font:inherit;font-size:12.5px;cursor:pointer}
.lc-quick button:hover{background:var(--ca);color:var(--cfg)}
.lc-form{display:flex;align-items:flex-end;gap:8px;padding:10px 12px;border-top:1px solid #e2e8f0;background:#fff}
.lc-form textarea{flex:1;resize:none;border:1px solid #e2e8f0;border-radius:14px;padding:9px 13px;font:inherit;font-size:14px;outline:0;max-height:110px;background:#fff;color:#0f172a;min-width:0}
.lc-form textarea:focus{border-color:var(--ca)}
.lc-form button{width:42px;height:42px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--ca),var(--cb));color:var(--cfg);font-size:17px;cursor:pointer;transform:scaleX(-1);flex-shrink:0}
.lc-foot{text-align:center;font-size:11px;color:#94a3b8;padding:0 0 8px;background:#fff}
@keyframes lcIn{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
@keyframes lcPulse{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.6);opacity:0}}
@keyframes lcDot{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}
@media (max-width:520px){
  .lchat{left:14px;bottom:14px}.lc-fab{width:56px;height:56px}
  .is-open.lchat{left:0;right:0;bottom:0;top:0}
  .is-open .lc-fab{display:none}
  .lc-panel{position:fixed;inset:0;width:100%;max-width:none;height:100%;max-height:none;border-radius:0}
}
@media (prefers-reduced-motion:reduce){.lc-fab::after,.lc-panel,.lc-teaser{animation:none}}