.unsaved-mark {
    color: #e53935;
    margin-left: 6px;
    font-weight: 700;
    font-size: 1.0em;
    line-height: 1;
}

.visually-hidden {
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
    white-space: nowrap;
    clip-path: inset(50%);
    border: 0;
    padding: 0;
    margin: -1px;
}

.has-unsaved-changes {
    border-color: #ffc107 !important;
    box-shadow: 0 0 0 0.25rem rgba(255, 193, 7, 0.25) !important;
}

.is-valid {
    border-color: #28a745 !important;
    box-shadow: 0 0 0 0.25rem rgba(40, 167, 69, 0.25) !important;
}

.is-invalid {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25) !important;
}

.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    background-color: transparent;
}

    .status-indicator.online {
        background-color: #22c55e;
        animation: pulse 1.8s ease-in-out infinite;
    }

    .status-indicator.offline {
        background-color: #94a3b8;
        opacity: 0.6;
    }