/* ── AI Chat Module ──────────────────────────────────────────── */
.sppwa-chat-wrap{display:flex;flex-direction:column;height:calc(100vh - 136px);height:calc(100dvh - 136px);background:#111}
.sppwa-chat-messages{flex:1;overflow-y:auto;padding:16px 14px;-webkit-overflow-scrolling:touch}
.sppwa-chat-bubble{max-width:84%;margin-bottom:12px;padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.55;word-break:break-word}
.sppwa-chat-bubble--user{margin-left:auto;margin-right:0;background:#cb0303;color:#fff;border-bottom-right-radius:4px}
.sppwa-chat-bubble--bot{margin-left:0;margin-right:auto;background:#1a1a1a;color:#ddd;border:1px solid #333;border-bottom-left-radius:4px}
.sppwa-chat-sources{margin:0 0 12px 8px;font-size:12px}
.sppwa-chat-sources-toggle{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border:1px solid #333;border-radius:8px;background:#1a1a1a;color:#888;font-size:11px;cursor:pointer}
.sppwa-chat-sources-toggle:hover{color:#ccc}
.sppwa-chat-sources-list{margin:8px 0 0;padding:0;list-style:none}
.sppwa-chat-sources-list li{padding:3px 0;color:#666;font-size:11px}
.sppwa-chat-sources-list li::before{content:'• ';color:#cb0303}
.sppwa-chat-thinking{display:flex;align-items:center;gap:8px;padding:8px 14px;color:#888;font-size:13px;font-style:italic}
.sppwa-chat-thinking::before{content:'';display:inline-block;width:14px;height:14px;border:2px solid #333;border-top-color:#cb0303;border-radius:50%;animation:sppwaSpin .6s linear infinite}
.sppwa-chat-input-bar{display:flex;gap:8px;padding:12px 14px;border-top:1px solid #2a2a2a;background:#0d0d0d}
.sppwa-chat-input-bar input{flex:1;height:46px;padding:0 14px;border:1px solid #444;border-radius:12px;background:#1a1a1a;color:#fff;font-size:15px;outline:none;transition:border-color .2s}
.sppwa-chat-input-bar input:focus{border-color:#cb0303}
.sppwa-chat-input-bar button{display:grid;place-items:center;width:46px;height:46px;border:0;border-radius:12px;background:#cb0303;color:#fff;font-size:18px;cursor:pointer;flex-shrink:0}
.sppwa-chat-input-bar button:disabled{opacity:.5}
.sppwa-chat-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#666;text-align:center;padding:24px}
.sppwa-chat-empty-icon{font-size:48px;margin-bottom:12px}
.sppwa-chat-empty h3{color:#ccc;margin:0 0 6px;font-size:18px}
.sppwa-chat-empty p{font-size:13px;line-height:1.6;max-width:300px}

@media(max-width:480px){
  .sppwa-chat-wrap{height:calc(100vh - 120px);height:calc(100dvh - 120px)}
  .sppwa-chat-messages{padding:12px 10px}
  .sppwa-chat-input-bar{padding:10px}
  .sppwa-chat-input-bar input{font-size:14px}
}