.list-group-item {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--cor-texto);
    text-decoration: none;
}

.list-group-item:hover,
.list-group-item:focus {
    background-color: var(--cor-active);
    box-shadow: var(--shadow-hover);
    outline: none;
    cursor: pointer;
    color: var(--cor-principal-escura);
}

.msg-icon {
    font-size: 1.75rem;
    color: var(--cor-principal);
    flex-shrink: 0;
    margin-top: 4px;
}

.msg-content {
    flex-grow: 1;
}

.msg-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.3rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.msg-name-email {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
}

.msg-email {
    font-weight: 400;
    font-style: italic;
    color: var(--cor-texto);
    margin-left: 0.4rem;
}

.msg-date {
    font-size: 0.85rem;
    color: var(--cor-texto);
    white-space: nowrap;
    user-select: none;
}

.msg-text {
    font-size: var(--fonte-size-padrao);
    color: var(--cor-texto);
    margin: 0;
    line-height: 1.4;
}

.empty-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    color: var(--cor-principal);
    justify-content: center;
    padding: 3rem 1rem;
    background: var(--cor-active);
    border-radius: var(--border-radius);
    user-select: none;
}

.empty-message i {
    font-size: 2rem;
}