.pw-coach-launcher{
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  height: 56px; width: 56px; border-radius: 999px;
  background: linear-gradient(135deg,#14b8a6,#0BAA8C); color:#fff;
  display:grid; place-items:center; box-shadow:0 10px 24px rgba(16,32,38,.18);
  cursor:pointer; border:none;
}
.pw-coach-panel{
  position: fixed; right: 18px; bottom: 86px; z-index: 60;
  width: min(420px, calc(100vw - 24px)); height: 60vh;
  background:#fff; border:1px solid #e1e9ee; border-radius: 16px;
  box-shadow:0 24px 48px rgba(16,32,38,.22); display:none; overflow:hidden;
}
.pw-header{ padding:10px 12px; background:linear-gradient(180deg,#f0fdfa,#ecfeff); border-bottom:1px solid #dbe9ef; display:flex; align-items:center; gap:8px; }
.pw-title{ font-weight:700; color:#0f2530; }
.pw-body{ height: calc(60vh - 112px); overflow:auto; padding:12px; background:#f7fafc; }
.pw-msg{ margin:8px 0; display:flex; gap:8px; }
.pw-user .bubble{ background:#2563eb; color:#fff; border-radius:14px 14px 4px 14px; }
.pw-bot .bubble{ background:#fff; color:#12323A; border:1px solid #e1e9ee; border-radius:14px 14px 14px 4px; }
.bubble{ padding:10px 12px; max-width:84%; box-shadow:0 6px 12px rgba(16,32,38,.06); }
.pw-input{ display:flex; gap:8px; padding:10px; border-top:1px solid #e1e9ee; background:#fff; }
.pw-input input{ flex:1; border:1px solid #d6dee3; border-radius:999px; padding:10px 14px; }
.pw-input button{ border:none; border-radius:999px; padding:10px 14px; background:#0BAA8C; color:#fff; font-weight:700; }
.pw-note{ font-size:11px; color:#667781; padding:6px 12px; background:#fff; border-top:1px solid #e1e9ee; }