.participant-tile{aspect-ratio:16/9;background:var(--bg-muted);border:2px solid #0000;border-radius:14px;justify-content:center;align-items:center;transition:border-color .2s;display:flex;position:relative;overflow:hidden}.participant-tile.is-speaking{border-color:var(--primary,#6366f1)}.participant-video{-o-object-fit:cover;object-fit:cover;width:100%;height:100%}.avatar-letter,.participant-avatar{justify-content:center;align-items:center;display:flex}.avatar-letter{background:var(--primary,#6366f1);color:#fff;font-size:26px;font-weight:700}.avatar-img,.avatar-letter{border-radius:50%;width:64px;height:64px}.avatar-img{-o-object-fit:cover;object-fit:cover}.participant-info{align-items:center;display:flex;position:absolute;bottom:10px;left:10px}.participant-name-chip{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;background:#0000008c;border-radius:8px;gap:6px;padding:4px 10px;font-size:12px;font-weight:600}.muted-badge,.participant-name-chip{align-items:center;display:inline-flex}.muted-badge{background:#ef4444;border-radius:6px;justify-content:center;margin-left:auto;padding:3px}.conn-quality{opacity:.7;z-index:2;background:#00000059;border-radius:3px;align-items:flex-end;gap:1px;height:9px;padding:2px 3px;display:flex;position:absolute;top:6px;right:6px}.cq-bar{background:#ffffff40;border-radius:1px;width:2px}.cq-bar:first-child{height:3px}.cq-bar:nth-child(2){height:5px}.cq-bar:nth-child(3){height:8px}.cq-excellent .cq-bar,.cq-good .cq-bar:first-child,.cq-good .cq-bar:nth-child(2){background:#22c55e}.cq-poor .cq-bar:first-child{background:#eab308}.cq-lost .cq-bar:first-child{background:#ef4444}.speaking-ripple{pointer-events:none;z-index:1;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.ripple-ring{border:2px solid var(--primary,#6366f1);opacity:0;border-radius:50%;width:80px;height:80px;animation:2s ease-out infinite ripple-expand;position:absolute}.ripple-ring:nth-child(2){animation-delay:.6s}.ripple-ring:nth-child(3){animation-delay:1.2s}@keyframes ripple-expand{0%{opacity:.4;transform:scale(.8)}to{opacity:0;transform:scale(1.8)}}.speaking-bars{align-items:flex-end;gap:2px;height:14px;display:inline-flex}.speaking-bars .bar{background:var(--primary,#6366f1);border-radius:2px;width:3px;animation:.6s ease-in-out infinite speak-bar}.speaking-bars .bar:first-child{height:6px;animation-delay:0s}.speaking-bars .bar:nth-child(2){height:10px;animation-delay:.15s}.speaking-bars .bar:nth-child(3){height:6px;animation-delay:.3s}@keyframes speak-bar{0%,to{transform:scaleY(.5)}50%{transform:scaleY(1.2)}}