@keyframes dv-chat-unread-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 135, 125, 0.35); transform: scale(1); }
    50% { box-shadow: 0 0 0 5px rgba(0, 135, 125, 0); transform: scale(1.08); }
}

@keyframes dv-chat-heading-pulse {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.45); }
}

.conversejs .unread-message-count:not(.unread-message-count-hidden),
.conversejs .message-count,
.conversejs .msgs-indicator {
    animation: dv-chat-unread-pulse 1.2s ease-in-out infinite;
}

.conversejs converse-chat.dv-chat-pulse .chat-head,
.conversejs converse-chat.dv-chat-attention-pulse .chat-head {
    animation: dv-chat-heading-pulse 0.75s ease-in-out 4;
}

.conversejs converse-chat.dv-chat-attention-pulse .chat-head {
    animation-iteration-count: 6;
}

.dv-chat-sound-overlay {
    align-items: center;
    background: rgba(20, 32, 45, 0.52);
    display: none;
    inset: 0;
    justify-content: center;
    position: fixed;
    z-index: 10020;
}

.dv-chat-sound-overlay.open {
    display: flex;
}

.dv-chat-sound-dialog {
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 14px 38px rgba(20, 32, 45, 0.28);
    color: #1d2b3c;
    max-width: calc(100vw - 32px);
    width: 420px;
}

.dv-chat-sound-header,
.dv-chat-sound-actions {
    align-items: center;
    display: flex;
    padding: 14px 18px;
}

.dv-chat-sound-header {
    border-bottom: 1px solid #e4e8ed;
    justify-content: space-between;
}

.dv-chat-sound-close {
    background: transparent;
    border: 0;
    color: #647386;
    font-size: 24px;
    line-height: 1;
    padding: 0;
}

.dv-chat-sound-body {
    padding: 18px;
}

.dv-chat-sound-body label {
    display: block;
    font-weight: 600;
    margin-bottom: 7px;
}

.dv-chat-sound-row {
    display: flex;
    gap: 8px;
}

.dv-chat-sound-row select {
    flex: 1;
}

.dv-chat-sound-preview {
    align-items: center;
    background: #00877d;
    border: 0;
    border-radius: 50%;
    color: #fff;
    display: inline-flex;
    flex: 0 0 38px;
    height: 38px;
    justify-content: center;
    width: 38px;
}

.dv-chat-sound-actions {
    border-top: 1px solid #e4e8ed;
    gap: 8px;
    justify-content: flex-end;
}

@media (prefers-reduced-motion: reduce) {
    .conversejs .unread-message-count:not(.unread-message-count-hidden),
    .conversejs .message-count,
    .conversejs .msgs-indicator,
    .conversejs converse-chat.dv-chat-pulse .chat-head,
    .conversejs converse-chat.dv-chat-attention-pulse .chat-head {
        animation: none;
    }
}