/* AminG45 — چت‌روم چالش‌ها */
.amg-chat-sec{margin-top:34px}
.amg-chat-panel{background:var(--amg-surface);border:1px solid var(--amg-line);border-radius:20px;padding:24px;box-shadow:var(--amg-shadow)}
.amg-chat-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
  margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--amg-line)}
.amg-chat-title{display:flex;align-items:center;gap:10px}
.amg-chat-title h3{margin:0;font-size:1.05rem}
.amg-chat-live{width:10px;height:10px;border-radius:50%;background:#4ADE80;
  box-shadow:0 0 0 4px rgba(74,222,128,.18);animation:amgPulse 2s infinite}
@keyframes amgPulse{50%{opacity:.4}}
.amg-chat-count{font-size:.82rem;color:var(--amg-muted);background:var(--amg-surface2);
  border:1px solid var(--amg-line);border-radius:999px;padding:4px 12px}
.amg-chat-messages{height:380px;overflow-y:auto;background:var(--amg-surface2);border:1px solid var(--amg-line);
  border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:14px;scroll-behavior:smooth}
.amg-chat-msg{display:flex;gap:10px;align-self:flex-start;max-width:85%}
.amg-chat-msg.mine{align-self:flex-end;flex-direction:row-reverse}
.amg-chat-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid var(--amg-line);flex:0 0 38px}
.amg-chat-bubble{background:var(--amg-surface);border:1px solid var(--amg-line);border-radius:14px;padding:10px 14px;min-width:0}
.amg-chat-bubble.mine{background:linear-gradient(135deg,rgba(212,160,23,.16),rgba(232,122,32,.16));border-color:rgba(212,160,23,.4)}
.amg-chat-meta{display:flex;align-items:center;gap:8px;margin-bottom:4px;font-size:.78rem;flex-wrap:wrap}
.amg-chat-meta b{font-size:.85rem}
.amg-chat-badge{background:var(--amg-grad);color:#fff;border-radius:999px;padding:1px 10px;font-size:.7rem;font-weight:700}
.amg-chat-time{color:var(--amg-muted)}
.amg-chat-text{font-size:.92rem;word-break:break-word;white-space:pre-wrap}
.amg-chat-empty,.amg-chat-loading{text-align:center;width:100%;margin:auto 0}
.amg-chat-locked{background:var(--amg-surface2);border:1px dashed var(--amg-line);border-radius:14px;
  padding:36px 28px;text-align:center;color:var(--amg-muted)}
.amg-chat-locked .lock-icon{font-size:2.4rem;display:block;margin-bottom:8px}
.amg-chat-closed{margin-top:12px;background:var(--amg-surface2);border:1px solid var(--amg-line);
  border-radius:12px;padding:12px;text-align:center;color:var(--amg-muted);font-size:.9rem}
.amg-chat-form{display:flex;gap:10px;margin-top:14px}
.amg-chat-form input{flex:1}
@media(max-width:600px){.amg-chat-messages{height:300px}.amg-chat-msg{max-width:95%}}